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        538 API jobs in London + 20 miles

        AI Lead

        Sanderson Recruitment
        London
        £95000 - £100000 per annum + benefits
        Job Role: AI Lead - Working Model: Permanent - Location: Hybrid - London - Salary: up to £100,000 - Are you a hands-on AI Lead passionate about Generative AI, LLMs, and cloud deployments? Do you enjoy designing, developing, and deploying AI-driven solutions that solve real business problems? This is an exciting opportunity to join a dynamic AI team and contribute to cutting-edge projects in Insurtech and Fintech. You'll work closely with cross-functional teams to build scalable AI applications, fine-tune LLMs, and integrate AI capabilities across platforms. About the Role * Lead the design, implementation, and fine-tuning of LLMs and generative AI solutions (OpenAI, Anthropic Claude, Gemini, open-source models). * Build and optimize RAG pipelines, vector databases, and prompt engineering strategies. * Develop AI-powered applications integrating LLMs with APIs, agents,
        Job Role: AI Lead - Working Model: Permanent - Location: Hybrid - London - Salary: up to £100,000 - Are you a hands-on AI Lead passionate about Generative AI, LLMs, and cloud deployments? Do you enjoy designing, developing, and deploying AI-driven solutions that solve real business problems? This is an exciting opportunity to join a dynamic AI team and contribute to cutting-edge projects in Insurtech and Fintech. You'll work closely with cross-functional teams to build scalable AI applications, fine-tune LLMs, and integrate AI capabilities across platforms. About the Role * Lead the design, implementation, and fine-tuning of LLMs and generative AI solutions (OpenAI, Anthropic Claude, Gemini, open-source models). * Build and optimize RAG pipelines, vector databases, and prompt engineering strategies. * Develop AI-powered applications integrating LLMs with APIs, agents,
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        FEATURED
        Expertise in Pentaho Data Integration for ETL processes. Strong understanding of data warehousing concepts, data modelling, and schema design. Experience with other ETL tools (Informatica, Talend, SSIS) is a plus. Advanced SQL for querying and data manipulation. Familiarity with Java, Python, or VBA for scripting and automation. Knowledge of RESTful APIs and various database systems. Skills in data profiling, data analysis, and ensuring data quality. Experience 612 years in Data Integration and ETL development. Minimum 35 years of hands-on Pentaho experience. Leading complex ETL projects and working with cross-functional teams. Exposure to Banking/Financial Services domain is a plus. Preferred Qualifications Certifications in Pentaho, Big Data, or Cloud Platforms (AWS/GCP/Azure). Experience with Big Data technologies (Hadoop, Spark) and cloud data services.
        Expertise in Pentaho Data Integration for ETL processes. Strong understanding of data warehousing concepts, data modelling, and schema design. Experience with other ETL tools (Informatica, Talend, SSIS) is a plus. Advanced SQL for querying and data manipulation. Familiarity with Java, Python, or VBA for scripting and automation. Knowledge of RESTful APIs and various database systems. Skills in data profiling, data analysis, and ensuring data quality. Experience 612 years in Data Integration and ETL development. Minimum 35 years of hands-on Pentaho experience. Leading complex ETL projects and working with cross-functional teams. Exposure to Banking/Financial Services domain is a plus. Preferred Qualifications Certifications in Pentaho, Big Data, or Cloud Platforms (AWS/GCP/Azure). Experience with Big Data technologies (Hadoop, Spark) and cloud data services.
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        Technical Lead

        83zero Limited
        London
        £90000 - £110000 per annum + Plus benefits
        83zero is proud to partner with a high-growth startup that's redefining the B2B2C social media space. They're building a next-generation Platform-as-a-Service already making waves across global media ecosystems - and now they need a DevOps Leader to help scale it to the next level. Why This Role? This isn't just another leadership position. You'll own the technical vision for a serverless, event-driven, globally distributed platform on AWS. You'll lead a talented, distributed engineering team, shape high-performance APIs, and build systems that scale fast and run clean. What's On Offer * Competitive salary + performance bonus * Meaningful equity - build it, own it, grow with it * Hybrid/remote-first working culture * A seat at the decision-making table in a fast-scaling SaaS business * Real autonomy, rapid progression, and zero bureaucracy
        83zero is proud to partner with a high-growth startup that's redefining the B2B2C social media space. They're building a next-generation Platform-as-a-Service already making waves across global media ecosystems - and now they need a DevOps Leader to help scale it to the next level. Why This Role? This isn't just another leadership position. You'll own the technical vision for a serverless, event-driven, globally distributed platform on AWS. You'll lead a talented, distributed engineering team, shape high-performance APIs, and build systems that scale fast and run clean. What's On Offer * Competitive salary + performance bonus * Meaningful equity - build it, own it, grow with it * Hybrid/remote-first working culture * A seat at the decision-making table in a fast-scaling SaaS business * Real autonomy, rapid progression, and zero bureaucracy
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        We are looking for Developers to build powerful solutions across Salesforce, SFI Insurance Cloud, and Omnistudio. Lead Salesforce & SFI Insurance Cloud implementations Build with OmniStudio (DataRaptor, FlexCards, OmniScript) Guide teams & work directly with clients Drive end-to-end solution design, delivery & integration 5+ yrs experience (Salesforce + SFI) Strong LWC, Apex, APIs, Agile background Insurance Cloud expertise (Quoting, Policy Admin, FNOL, Claims) Salesforce & SFI certifications Excellent communication + leadership skills If you're a tech leader ready to deliver innovative cloud solutions, we want to meet you!
        We are looking for Developers to build powerful solutions across Salesforce, SFI Insurance Cloud, and Omnistudio. Lead Salesforce & SFI Insurance Cloud implementations Build with OmniStudio (DataRaptor, FlexCards, OmniScript) Guide teams & work directly with clients Drive end-to-end solution design, delivery & integration 5+ yrs experience (Salesforce + SFI) Strong LWC, Apex, APIs, Agile background Insurance Cloud expertise (Quoting, Policy Admin, FNOL, Claims) Salesforce & SFI certifications Excellent communication + leadership skills If you're a tech leader ready to deliver innovative cloud solutions, we want to meet you!
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        Data Analyst (Fabric)

        Oscar Associates (UK) Limited
        City of London (EC1)
        £60000 - £75000 per annum + benefits
        Job Title: BI Analyst (Fabric) Location: City of London (Hybrid 2 days a week) Salary: £60,000 - £70,000 DOE - Purpose - Reporting to the Head of Data Insight & Analytics, this role will support with the development and progression of business intelligence and insight capability. Sitting within the Data & Analytics team, this role will directly support the Private Wealth brands through building dashboards, insight tools and supporting key stakeholders, including the Private Wealth business heads, with data-driven decision making. The role would suit an experienced and driven individual who is looking for an opportunity to advance their understanding of data, working closely with business leaders to generate meaningful insight. Responsibilities * Act as the subject matter expert (SME) for data analytics and visualisation to their Private Wealth brands (Partners Wealth
        Job Title: BI Analyst (Fabric) Location: City of London (Hybrid 2 days a week) Salary: £60,000 - £70,000 DOE - Purpose - Reporting to the Head of Data Insight & Analytics, this role will support with the development and progression of business intelligence and insight capability. Sitting within the Data & Analytics team, this role will directly support the Private Wealth brands through building dashboards, insight tools and supporting key stakeholders, including the Private Wealth business heads, with data-driven decision making. The role would suit an experienced and driven individual who is looking for an opportunity to advance their understanding of data, working closely with business leaders to generate meaningful insight. Responsibilities * Act as the subject matter expert (SME) for data analytics and visualisation to their Private Wealth brands (Partners Wealth
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        SQL Power BI - Python - A well established and growing business based in Central London (near Waterloo) are looking for a capable, confident Data Analyst with expertise in SQL and Power BI to join them on a 6 month FTC. As the organisations sole Data Analyst, you will play a pivotal role in delivering the operational elements of the Data Strategy. Working closely with the Director of Technology and Data, you will help drive the transformation of how they use data, enhancing insight, decision-making and impact across the organisation. The primary goal is to ensure that they have the technical capabilities and structures in place, to use data from across the business to maximise efficiency. You will lead the establishment and maturity of foundational components, including data governance, quality and process validation.
        SQL Power BI - Python - A well established and growing business based in Central London (near Waterloo) are looking for a capable, confident Data Analyst with expertise in SQL and Power BI to join them on a 6 month FTC. As the organisations sole Data Analyst, you will play a pivotal role in delivering the operational elements of the Data Strategy. Working closely with the Director of Technology and Data, you will help drive the transformation of how they use data, enhancing insight, decision-making and impact across the organisation. The primary goal is to ensure that they have the technical capabilities and structures in place, to use data from across the business to maximise efficiency. You will lead the establishment and maturity of foundational components, including data governance, quality and process validation.
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        FEATURED
        We are seeking a highly skilled LLM Developer to design, build, and deploy a web-based AI agent that will automate and elevate our core QA coordination tasks. * Design & Implement NLP Pipelines: Parse, understand, and extract key information from unstructured Release Notes and Test Policy documents. * Develop RAG Systems: Fine-tune a Retrieval-Augmented Generation (RAG) system, training models on QA policies for accuracy and context-awareness. * Build AI Agent Architecture: Utilize modern LLM APIs (e.g., OpenAI, Anthropic, Gemini) and frameworks (e.g., LangChain, LlamaIndex) to create a robust system. * Integrate Backend APIs: Enable the AI agent to automatically publish generated test guides to our internal web platform. * Create Web-Based UI: Develop a simple, effective interface for QA teams to interact with, review, and override AI outputs if necessary.
        We are seeking a highly skilled LLM Developer to design, build, and deploy a web-based AI agent that will automate and elevate our core QA coordination tasks. * Design & Implement NLP Pipelines: Parse, understand, and extract key information from unstructured Release Notes and Test Policy documents. * Develop RAG Systems: Fine-tune a Retrieval-Augmented Generation (RAG) system, training models on QA policies for accuracy and context-awareness. * Build AI Agent Architecture: Utilize modern LLM APIs (e.g., OpenAI, Anthropic, Gemini) and frameworks (e.g., LangChain, LlamaIndex) to create a robust system. * Integrate Backend APIs: Enable the AI agent to automatically publish generated test guides to our internal web platform. * Create Web-Based UI: Develop a simple, effective interface for QA teams to interact with, review, and override AI outputs if necessary.
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        Rate - £475 - £500 Outside IR35 - Duration - 3 months - Location - Fully remote - We're seeking a Business Central and Shopify Support Engineer to join a client of ours growing at a substantial rate! This role bridges ERP and e-commerce platforms, ensuring seamless integration, smooth operations and excellent support for our business users. The ideal candidate will have strong technical expertise, problem solving skills and a customer focused mindset. Key Responsibilities * Provide technical support for Microsoft Dynamics 365 Business Central and Shopify platforms * Troubleshoot and resolve issues related to system integration's, data synchronisation and workflows * Liaise with support partners for issues that require 2nd/ 3rd line support and coordinate activities between partners where required * Collaborate with internal teams to analyse business requirements and i
        Rate - £475 - £500 Outside IR35 - Duration - 3 months - Location - Fully remote - We're seeking a Business Central and Shopify Support Engineer to join a client of ours growing at a substantial rate! This role bridges ERP and e-commerce platforms, ensuring seamless integration, smooth operations and excellent support for our business users. The ideal candidate will have strong technical expertise, problem solving skills and a customer focused mindset. Key Responsibilities * Provide technical support for Microsoft Dynamics 365 Business Central and Shopify platforms * Troubleshoot and resolve issues related to system integration's, data synchronisation and workflows * Liaise with support partners for issues that require 2nd/ 3rd line support and coordinate activities between partners where required * Collaborate with internal teams to analyse business requirements and i
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        FEATURED
        Technical Delivery Manager, Delivery Manager - We are working with a leading central government organisation to find a Technical Delivery Manager with a strong data delivery expertise and active SC Clearance. You will be required to lead cross functional teams to deliver a data focused technology project that supports high impact public services, ensuring outcomes are aligned with departmental strategy, governance and security standards - Rate - £650.00 per day inside ir35 - Location - London - Once a week onsite - Duration - 6 Months with the opportunity of extension - Key Responsibilities and Key Skills * Deliver end to end technical and data driven projects within a complex government environment * Manage project scopes, timelines, risks, budgets, dependencies and reporting in line with government delivery frameworks
        Technical Delivery Manager, Delivery Manager - We are working with a leading central government organisation to find a Technical Delivery Manager with a strong data delivery expertise and active SC Clearance. You will be required to lead cross functional teams to deliver a data focused technology project that supports high impact public services, ensuring outcomes are aligned with departmental strategy, governance and security standards - Rate - £650.00 per day inside ir35 - Location - London - Once a week onsite - Duration - 6 Months with the opportunity of extension - Key Responsibilities and Key Skills * Deliver end to end technical and data driven projects within a complex government environment * Manage project scopes, timelines, risks, budgets, dependencies and reporting in line with government delivery frameworks
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        FEATURED
        AI Developer - Generative AI Specialist - 3 months+ - Hybrid - Rate circa £500-£650 - We are looking for an experienced AI Developer to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance. You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. Being the AI SME you will provide technical expertise on GenAI capabilities and its limitations to the non-technical people. What you will bring to the team * Fine-tune Large Language Models (LLMs) and other generative architectures. * Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learnin
        AI Developer - Generative AI Specialist - 3 months+ - Hybrid - Rate circa £500-£650 - We are looking for an experienced AI Developer to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance. You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. Being the AI SME you will provide technical expertise on GenAI capabilities and its limitations to the non-technical people. What you will bring to the team * Fine-tune Large Language Models (LLMs) and other generative architectures. * Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learnin
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        Principal Software Engineer

        Fruition Group
        City of London (EC1), EC1
        £95000 - £120000 per annum
        Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software
        Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software
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        Senior Software Engineer - Backend

        Fruition Group
        City of London (EC1), EC1
        £75000 - £95000 per annum
        Location: Remote first (Occasional Travel to London) Salary: £75,000 - £95,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
        Location: Remote first (Occasional Travel to London) Salary: £75,000 - £95,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
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        Technically sharpAI Prompt Engineer - Youll design and optimize prompts, build LLM-powered applications, and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. What Youll Do * Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere). * Experiment with advanced prompting techniques; Chain-of-Thought, ReAct, Tree-of-Thoughts, and more. * Deploy AI/ML pipelines using Azure ML, AWS SageMaker, Vertex AI, or Databricks. * Integrate LLMs into production apps using LangChain, LlamaIndex, and RAG architectures. * Build APIs and microservices for scalable AI deployment. * Use AI-powered dev tools like GitHub Copilot, Cursor, and Codeium to speed up iteration. * Apply MLOps/LLMOps practices with MLflow, Weights & Biases, and Kubeflow. Youll Bring
        Technically sharpAI Prompt Engineer - Youll design and optimize prompts, build LLM-powered applications, and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. What Youll Do * Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere). * Experiment with advanced prompting techniques; Chain-of-Thought, ReAct, Tree-of-Thoughts, and more. * Deploy AI/ML pipelines using Azure ML, AWS SageMaker, Vertex AI, or Databricks. * Integrate LLMs into production apps using LangChain, LlamaIndex, and RAG architectures. * Build APIs and microservices for scalable AI deployment. * Use AI-powered dev tools like GitHub Copilot, Cursor, and Codeium to speed up iteration. * Apply MLOps/LLMOps practices with MLflow, Weights & Biases, and Kubeflow. Youll Bring
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        Job Title: Marketing Automation & AI Engineer (Remote) Salary: £70k open to negotiation DOE - Location: Remote-first role with a preference for London proximity - A fast-growing B2B FinTech scale-up (modular banking & payments infrastructure) is building a brand-new function at the intersection of Marketing, AI, and Automation, and they're looking for the engineer who will help shape it from day one. What You'll Work On * Architect and optimise n8n / Zapier / Make workflows that power the marketing engine * Build AI-driven agents, automations, and internal tools that improve traffic, conversions, and lead flow * Turn insights ? hypotheses ? experiments ? measurable outcomes * Spot signals in noisy data and connect them into actionable patterns * Explore emerging AI/automation tools and apply them to real go-to-market systems
        Job Title: Marketing Automation & AI Engineer (Remote) Salary: £70k open to negotiation DOE - Location: Remote-first role with a preference for London proximity - A fast-growing B2B FinTech scale-up (modular banking & payments infrastructure) is building a brand-new function at the intersection of Marketing, AI, and Automation, and they're looking for the engineer who will help shape it from day one. What You'll Work On * Architect and optimise n8n / Zapier / Make workflows that power the marketing engine * Build AI-driven agents, automations, and internal tools that improve traffic, conversions, and lead flow * Turn insights ? hypotheses ? experiments ? measurable outcomes * Spot signals in noisy data and connect them into actionable patterns * Explore emerging AI/automation tools and apply them to real go-to-market systems
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        Customer Success Manager

        Oscar Associates (UK) Limited
        London
        Up to £48000 per annum
        Job Title: Customer Success Manager - Location: London, (Bishopsgate) - Hybrid (3 days WFH, 2 days on site) Salary: Up to £48,000 - As a Customer Success Manager, you'll be the bridge between clients and internal technical teams, ensuring seamless integration, onboarding, and long-term satisfaction. You'll manage integration support cases, monitor performance, and proactively resolve challenges to keep clients engaged and successful. This company are a global Ai focused consultancy shaping the future of their industry. They blend deep actuarial expertise with Ai to help their clients grow sustainably. With over a dozen offices across the EMEA and US offices, they champion diversity, collaboration, and are at the forefront of consumer-centric tech in their industry. They are making a real impact on their industry worldwide.
        Job Title: Customer Success Manager - Location: London, (Bishopsgate) - Hybrid (3 days WFH, 2 days on site) Salary: Up to £48,000 - As a Customer Success Manager, you'll be the bridge between clients and internal technical teams, ensuring seamless integration, onboarding, and long-term satisfaction. You'll manage integration support cases, monitor performance, and proactively resolve challenges to keep clients engaged and successful. This company are a global Ai focused consultancy shaping the future of their industry. They blend deep actuarial expertise with Ai to help their clients grow sustainably. With over a dozen offices across the EMEA and US offices, they champion diversity, collaboration, and are at the forefront of consumer-centric tech in their industry. They are making a real impact on their industry worldwide.
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        6+ years of work experience in software development and hands-on experience in building large-scale services/distributed systems. * Shopify platform experiences a MUST. * Experience in Shopify Hydrogen framework built with React that allows developers to create custom, high-performance storefronts for Shopify, effectively using a headless approach * Experience in building end to end eCommerce technology solutions with Shopify and associated systems (OMS, IMS, WMS, credit card processing, tax engine, digital distribution etc.) * Strong proficiency in modern design patterns and development languages including JavaScript, Typescript, Python, HTML5, CSS3, HTML-CSS-Bootstrap and Ruby * Experienced in NodeJS, JavaScript (ES2019+), ESLint and coding standards, Typescript * Solid grounding with common design patterns and development best practices
        6+ years of work experience in software development and hands-on experience in building large-scale services/distributed systems. * Shopify platform experiences a MUST. * Experience in Shopify Hydrogen framework built with React that allows developers to create custom, high-performance storefronts for Shopify, effectively using a headless approach * Experience in building end to end eCommerce technology solutions with Shopify and associated systems (OMS, IMS, WMS, credit card processing, tax engine, digital distribution etc.) * Strong proficiency in modern design patterns and development languages including JavaScript, Typescript, Python, HTML5, CSS3, HTML-CSS-Bootstrap and Ruby * Experienced in NodeJS, JavaScript (ES2019+), ESLint and coding standards, Typescript * Solid grounding with common design patterns and development best practices
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        12 months - Remote - Inside IR35 - Umbrella only - As a Salesforce Developer, you will lead the development of custom solutions on the Salesforce platform. You will be responsible for writing Apex code, creating visual force pages, and implementing integrations. You will have a strong understanding of the Salesforce platform and experience leading successful projects. A Senior Salesforce Developer will have a deep understanding of the Salesforce platform and the ability to develop complex solutions, mentor and lead the development team, troubleshoot and provide technical support to clients. They will also have a solid understanding of web development concepts and languages and keep up-to-date with new Salesforce features and best practices. * Skilled in Apex, HTML, JavaScript (ES6+), CSS, SLDS, and Salesforce DX.
        12 months - Remote - Inside IR35 - Umbrella only - As a Salesforce Developer, you will lead the development of custom solutions on the Salesforce platform. You will be responsible for writing Apex code, creating visual force pages, and implementing integrations. You will have a strong understanding of the Salesforce platform and experience leading successful projects. A Senior Salesforce Developer will have a deep understanding of the Salesforce platform and the ability to develop complex solutions, mentor and lead the development team, troubleshoot and provide technical support to clients. They will also have a solid understanding of web development concepts and languages and keep up-to-date with new Salesforce features and best practices. * Skilled in Apex, HTML, JavaScript (ES6+), CSS, SLDS, and Salesforce DX.
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        FEATURED

        Graduate IT Project Manager

        Inspiring Search
        Wealdstone, Harrow (HA3), HA3 5EQ
        From £28,000 to £32,000 per annum
        We are one of the leading plumbing, heating and electrical companies nationally, serving residential and commercial clients throughout South East England with almost three decades in the industry, we have worked to build a large, fully equipped team of over 150 members of staff all focused on providing the best quality service to our customers. We work closely with various known housing associations, local councils as well as catering to the private sector such as schools, hotels, care homes and commercial building. Support the delivery and improvement of the business systems and information security. The Graduate IT Project Manager will coordinate with a third-party IT development partners, assist in implementing system enhancements, manage company IT assets, and help maintain access control and documentation processes across the business.
        We are one of the leading plumbing, heating and electrical companies nationally, serving residential and commercial clients throughout South East England with almost three decades in the industry, we have worked to build a large, fully equipped team of over 150 members of staff all focused on providing the best quality service to our customers. We work closely with various known housing associations, local councils as well as catering to the private sector such as schools, hotels, care homes and commercial building. Support the delivery and improvement of the business systems and information security. The Graduate IT Project Manager will coordinate with a third-party IT development partners, assist in implementing system enhancements, manage company IT assets, and help maintain access control and documentation processes across the business.
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        This is a newly created position for a Dynamics 365 Analyst with solid integration & configuration experience to join a global leading firm based in the East Grinstead area of West Sussex. This role is paying £45,000 and offers hybrid working (3 days in the office, 2 days from home). To be considered for this position you will have a good understanding and experience of Dynamics 365 & ERP platforms. This will include integration, configuring and upgrading D365 modules, APIs, and web services (REST & Soap). Based in the East Grinstead area of West Sussex, my client is offering a salary of £45,000 in a hybrid work environment (3 days in the office and 2 days from home), and the chance to work on the latest ERP technologies. If you have previous experience with Dynamics 365 and you are looking for a new position, please send me your CV immediately.
        This is a newly created position for a Dynamics 365 Analyst with solid integration & configuration experience to join a global leading firm based in the East Grinstead area of West Sussex. This role is paying £45,000 and offers hybrid working (3 days in the office, 2 days from home). To be considered for this position you will have a good understanding and experience of Dynamics 365 & ERP platforms. This will include integration, configuring and upgrading D365 modules, APIs, and web services (REST & Soap). Based in the East Grinstead area of West Sussex, my client is offering a salary of £45,000 in a hybrid work environment (3 days in the office and 2 days from home), and the chance to work on the latest ERP technologies. If you have previous experience with Dynamics 365 and you are looking for a new position, please send me your CV immediately.
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        FEATURED

        Principal Software Engineer - Frontend

        Fruition Group
        London
        £95000 - £120000 per annum + Equity + Benefits
        London (Remote First - Occasional travel) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking a talented Principal Frontend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. * Set the technical vision and architectural direction for frontend systems, ensuring performance, scalability, and maintainability across complex products. * Lead design and delivery of modern, component-based web applications built with TypeScript, React, and Redux, integrating seamlessly with cloud-based APIs and data pipelines. * Collaborate with engineering, design, and product leadership to define long-term frontend st
        London (Remote First - Occasional travel) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking a talented Principal Frontend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. * Set the technical vision and architectural direction for frontend systems, ensuring performance, scalability, and maintainability across complex products. * Lead design and delivery of modern, component-based web applications built with TypeScript, React, and Redux, integrating seamlessly with cloud-based APIs and data pipelines. * Collaborate with engineering, design, and product leadership to define long-term frontend st
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        Senior Analytics Implementation Engineer

        Stepstone UK
        Southwark, South East London (SE1), SE1 0TA
        Competitive salary
        Company Description - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job-tech platform. Your benefits - Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt take over your life, it should enrich it. * 29 days holiday allowance + bank holidays * Private medical and dental healthcare * Pension contribution up to 10% * Training and development opportunities * Cycle to work scheme * In house Bari
        Company Description - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job-tech platform. Your benefits - Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt take over your life, it should enrich it. * 29 days holiday allowance + bank holidays * Private medical and dental healthcare * Pension contribution up to 10% * Training and development opportunities * Cycle to work scheme * In house Bari
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        PREMIUM

        DevOps Lead

        83zero Limited
        City of London (EC1)
        £80000 - £100000 per annum + Plus benefits
        Dev/Ops Lead - PaaS Platform | Hybrid (Central London) 83zero is partnered with an exciting, fast-growing startup that's making serious moves in the B2B2C social media space. They're building a next-gen Platform-as-a-Service that's already gaining traction across global media ecosystems - and they're now looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On Offer * Competitive salary + performance bonus. * Meaningful equity - build it, own it, grow with it. * Hybrid/remote-first working culture. * A seat at the decision table in a fast-scaling SaaS business.
        Dev/Ops Lead - PaaS Platform | Hybrid (Central London) 83zero is partnered with an exciting, fast-growing startup that's making serious moves in the B2B2C social media space. They're building a next-gen Platform-as-a-Service that's already gaining traction across global media ecosystems - and they're now looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On Offer * Competitive salary + performance bonus. * Meaningful equity - build it, own it, grow with it. * Hybrid/remote-first working culture. * A seat at the decision table in a fast-scaling SaaS business.
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        Software Developer

        Oscar Associates (UK) Limited
        City of London (EC1)
        £30000 - £40000 per annum
        We are delighted to be partnering with a successful technology consultancy that is expanding its Software Development team. This is an excellent opportunity for a proactive and committed Software Developer with experience in C#, JavaScript, and SQL to contribute to impactful projects across a diverse client base. About the role - As a Software Developer, you will be working on the development, and maintenance of their internal software product, ensuring seamless integrations into their clients CRM systems. You'll also get involved with external projects, collaborating closely with clients to understand their needs, and design effective solutions. This role blends hands-on technical work with client interaction, giving you the chance to make a visible impact. Key Responsibilities * Design, develop, and maintain new features and applications using modern software develo
        We are delighted to be partnering with a successful technology consultancy that is expanding its Software Development team. This is an excellent opportunity for a proactive and committed Software Developer with experience in C#, JavaScript, and SQL to contribute to impactful projects across a diverse client base. About the role - As a Software Developer, you will be working on the development, and maintenance of their internal software product, ensuring seamless integrations into their clients CRM systems. You'll also get involved with external projects, collaborating closely with clients to understand their needs, and design effective solutions. This role blends hands-on technical work with client interaction, giving you the chance to make a visible impact. Key Responsibilities * Design, develop, and maintain new features and applications using modern software develo
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        Senior Software Engineer

        Anson Mccade
        South West London (SW1), SW1P 3LA
        80000-100000 Annual
        £80000-100000 GBP - Equity - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - London (4 days onsite) £80,000 to £100,000 base plus package - A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
        £80000-100000 GBP - Equity - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - London (4 days onsite) £80,000 to £100,000 base plus package - A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
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        PREMIUM
        Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just making up the numbers.
        Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just making up the numbers.
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        What is the average salary for API in London?

        Average salary per year
        £72,499

        The average salary for a API in London is £72,499. API in London salaries range from £62,499 to £87,499.

        Frequently Asked Questions

        How many API jobs are there in London?
        There are 538 API jobs within 20 miles of London available on CWJobs right now.

        Where in London are these jobs?
        You can find jobs in City of London, Central London, West End.

        What other similar jobs are there to API jobs in London?
        As well as API jobs in London, you can find Qa Automation, Quality Assurance, QA Analyst, amongst many others.