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        Last 14 days
        519

        26 API jobs in Berkshire + 20 miles

        493 exact matches jobs are outside your preferred location

        Trading System Engineer – Rates and Credit Fixed Income

        Deutsche Bank
        London
        Competitive
        Trading System Engineer Rates & Credit Fixed Income - Position Overview - Job Title Trading System Engineer - Rates and Credit Fixed Income - Location London - Corporate Title Assistant Vice President/Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in building solutions across the stack and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and out
        Trading System Engineer Rates & Credit Fixed Income - Position Overview - Job Title Trading System Engineer - Rates and Credit Fixed Income - Location London - Corporate Title Assistant Vice President/Vice President - You will play a key role in the transformation of Rates and Credit Fixed Income technology landscape. As part of our multi-year platform modernisation project, you will be responsible for building a suite of new, real-time, high-performance applications supporting various trading workflows. You will be involved in building solutions across the stack and working closely with Business stakeholders to build a maintainable, operationally efficient and scalable platform to last the next decade. What well offer you - A healthy, engaged and well-supported workforce are better equipped to do their best work and, more importantly, enjoy their lives inside and out
        more

        Software Engineer - AI Innovation

        Connexa
        Milton Keynes (MK1)
        £50000 - £70000 per annum + 20% Bonus
        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
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        Role: ServiceNow Architect - Location: Remote in Europe - Type: Contract (Outside IR35) Summary - We're seeking a seasoned ServiceNow Architect to lead enterprise-scale solution design, platform governance, and integration strategy across core ServiceNow products (ITSM, ITOM, HRSD, CSM). The ideal candidate also brings hands-on Salesforce experience to architect and deliver robust integrations and cross-platform processes. You will drive architectural standards, scalability, security, and value realization while guiding delivery teams and stakeholders. Key Responsibilities * Architecture & Solution Design - o Own end-to-end architecture across ServiceNow modules (e.g., ITSM, ITOM/Discovery/Service Mapping, HRSD, CSM, SPM/App Engine). o Define data models and align with CSDM standards; establish CMDB strategy, health, and governance.
        Role: ServiceNow Architect - Location: Remote in Europe - Type: Contract (Outside IR35) Summary - We're seeking a seasoned ServiceNow Architect to lead enterprise-scale solution design, platform governance, and integration strategy across core ServiceNow products (ITSM, ITOM, HRSD, CSM). The ideal candidate also brings hands-on Salesforce experience to architect and deliver robust integrations and cross-platform processes. You will drive architectural standards, scalability, security, and value realization while guiding delivery teams and stakeholders. Key Responsibilities * Architecture & Solution Design - o Own end-to-end architecture across ServiceNow modules (e.g., ITSM, ITOM/Discovery/Service Mapping, HRSD, CSM, SPM/App Engine). o Define data models and align with CSDM standards; establish CMDB strategy, health, and governance.
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        Data Engineer

        Neptune (Europe) Ltd
        Freshbrook, Swindon (SN5), SN5 8YG
        Competitive plus benefits
        At Neptune, we believe great technology starts with great people - and great decisions start with great data. From managing stock and inventory to understanding our customers, data drives everything we do. We're looking for a Data Engineer to help shape how we collect, structure, and use data across the business. You'll play a key role in delivering reliable, high-quality datasets that power smarter, faster decisions every day. This is a hands-on role where you'll design and maintain the data pipelines, integrations, and platforms that keep Neptune's data accurate, accessible, and secure. Your Key Responsibilities * Design, build, and maintain robust ETL pipelines to efficiently extract, transform, and load data from multiple sources. * Develop and optimise SQL queries, stored procedures, and database scripts to deliver high-performance data processing.
        At Neptune, we believe great technology starts with great people - and great decisions start with great data. From managing stock and inventory to understanding our customers, data drives everything we do. We're looking for a Data Engineer to help shape how we collect, structure, and use data across the business. You'll play a key role in delivering reliable, high-quality datasets that power smarter, faster decisions every day. This is a hands-on role where you'll design and maintain the data pipelines, integrations, and platforms that keep Neptune's data accurate, accessible, and secure. Your Key Responsibilities * Design, build, and maintain robust ETL pipelines to efficiently extract, transform, and load data from multiple sources. * Develop and optimise SQL queries, stored procedures, and database scripts to deliver high-performance data processing.
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        A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
        A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - As a Frontline Software Engineer at Palantir, you would begin your journey on a short-term assignment where you are embedded with customers. This unique experience lets you work directly with users, gaining firsthand insight into how our products are used and the challenges our customers face. Unlike traditional engineering roles, Frontline immerses you in complex, ambiguous problems, empowering you to deliver impactful solutions across some of the worlds most important industries and institutions.
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        A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
        A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Backend Software Engineers at Palantir build software at scale to transform how organizations use data. Our Software Engineers are involved throughout the product lifecycle, from idea generation, design, prototyping, and production delivery. You will collaborate closely with technical and non-technical teammates to understand our customers' problems and build products that solve them. We encourage movement across teams to share context, skills, and experience, so you'll learn about many different technologies and aspects of each product.
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        A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organisations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organisations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models.
        A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organisations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organisations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models.
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        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
        more
        NEW
        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
        *inside iR35* What You'll Be Doing * Designing and developing enterprise-grade solutions in an Agile team. * Building and maintaining middleware services using C#, REST APIs, FIX messaging, XML, and Microservices. * Leading architecture discussions, code reviews, and release management. * Collaborating with users and cross-functional teams to define and execute testing strategies. * Mentoring junior developers and contributing to internal best practices. What You Bring * A strong academic background in Computer Science, Engineering, or a related field. * Proven experience in SOLID Principles/Design patterns * Deep knowledge of C# .NET, RESTful services, and microservice architecture. * Hands-on experience with FIX messaging, XML, AMQ, and ideally nHibernate, OData, and TDD. * Excellent communication skills and a pragmatic approach to problem-solving.
        more
        NEW

        Software Developer

        Experis UK
        Cheltenham (GL50)
        £50000 - £60000 per annum
        Cheltenham | Hybrid (3 days per week in the office) | £50,000 per annum - We're looking for a talented Software Developer to join a growing, forward-thinking technology team working on high-performance, scalable software solutions. This is an excellent opportunity for a developer who enjoys working across the full stack and wants to contribute to the design, build and deployment of modern web applications. In this role, you'll work closely with cross-functional teams to deliver robust, user-focused solutions using Python and associated technologies. You'll be involved throughout the development lifecycle, from understanding requirements through to deployment and ongoing optimisation. * Designing, developing and maintaining Python-based web applications using Flask * Building and managing data storage solutions with MongoDB
        Cheltenham | Hybrid (3 days per week in the office) | £50,000 per annum - We're looking for a talented Software Developer to join a growing, forward-thinking technology team working on high-performance, scalable software solutions. This is an excellent opportunity for a developer who enjoys working across the full stack and wants to contribute to the design, build and deployment of modern web applications. In this role, you'll work closely with cross-functional teams to deliver robust, user-focused solutions using Python and associated technologies. You'll be involved throughout the development lifecycle, from understanding requirements through to deployment and ongoing optimisation. * Designing, developing and maintaining Python-based web applications using Flask * Building and managing data storage solutions with MongoDB
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        FEATURED
        We need talented engineers with a strong low-level graphics and GPU development background on the Android platform, ideally with experience of working in the consumer electronics industry. This contract will be hybrid (3 days a week onsite, 2 remote), based near Egham. Its within IR35 but offering a good rate to offset that! The successful candidate will contribute to new, high-performance graphics solutions, integrate our solutions with new hardware platforms, optimise the Android OS graphics stack, benchmark our systems against competitors, work with 3rd party software developers and generally ensure that we have the best possible graphics experience on the market. Role and Responsibilities - Develop innovations to optimise real-time rendering pipelines and deliver class-leading performance - Implement standard features and extensions for the Android Graphics stack
        We need talented engineers with a strong low-level graphics and GPU development background on the Android platform, ideally with experience of working in the consumer electronics industry. This contract will be hybrid (3 days a week onsite, 2 remote), based near Egham. Its within IR35 but offering a good rate to offset that! The successful candidate will contribute to new, high-performance graphics solutions, integrate our solutions with new hardware platforms, optimise the Android OS graphics stack, benchmark our systems against competitors, work with 3rd party software developers and generally ensure that we have the best possible graphics experience on the market. Role and Responsibilities - Develop innovations to optimise real-time rendering pipelines and deliver class-leading performance - Implement standard features and extensions for the Android Graphics stack
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        Our client, a leading organisation in the retail sector, is seeking an experienced ServiceNow Developer to join their team on a contract basis. This role will focus on designing, developing, and enhancing ServiceNow solutions to support and optimise IT service management across the organisation. * Design, develop, configure, and maintain ServiceNow applications and modules (e.g. ITSM, ITOM, CMDB). * Build and customise workflows, business rules, client scripts, UI policies, and integrations. * Collaborate with internal stakeholders to gather requirements and translate them into scalable ServiceNow solutions. * Support platform enhancements, upgrades, and performance optimisation initiatives. * Troubleshoot and resolve ServiceNow-related issues, ensuring platform stability and performance. * Work closely with IT and delivery teams to implement best practices and improv
        Our client, a leading organisation in the retail sector, is seeking an experienced ServiceNow Developer to join their team on a contract basis. This role will focus on designing, developing, and enhancing ServiceNow solutions to support and optimise IT service management across the organisation. * Design, develop, configure, and maintain ServiceNow applications and modules (e.g. ITSM, ITOM, CMDB). * Build and customise workflows, business rules, client scripts, UI policies, and integrations. * Collaborate with internal stakeholders to gather requirements and translate them into scalable ServiceNow solutions. * Support platform enhancements, upgrades, and performance optimisation initiatives. * Troubleshoot and resolve ServiceNow-related issues, ensuring platform stability and performance. * Work closely with IT and delivery teams to implement best practices and improv
        more
        Full Stack Software Engineer - Central London (1 day a month) Circa £80,000 (depending on experience) + excellent benefits package - My client are a start-up created within and as part of a large wealth management firm, so you have all the benefits of a start-up environment without the instability and inconveniences! It's an exciting environment where you'll be working with a cutting-edge tech stack creating data-driven fintech software for major financial firms. What will you do in the role? You'll be part of a high-quality Software Engineering team working with the latest tech to integrate my client's new, bespoke, in-house wealth management software with a queue of new clients while starting to plan for V2, alongside contributing your own ideas for future functions and improvements. You'll have a specific focus on CI/CD pipelines and the deployment process, reviewi
        Full Stack Software Engineer - Central London (1 day a month) Circa £80,000 (depending on experience) + excellent benefits package - My client are a start-up created within and as part of a large wealth management firm, so you have all the benefits of a start-up environment without the instability and inconveniences! It's an exciting environment where you'll be working with a cutting-edge tech stack creating data-driven fintech software for major financial firms. What will you do in the role? You'll be part of a high-quality Software Engineering team working with the latest tech to integrate my client's new, bespoke, in-house wealth management software with a queue of new clients while starting to plan for V2, alongside contributing your own ideas for future functions and improvements. You'll have a specific focus on CI/CD pipelines and the deployment process, reviewi
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        LSEG is seeking a Senior Vulnerability Management Engineer to join our internal offensive security team with focus on driving closure of penetration testing findings. This role bridges offensive security and engineering by translating penetration test results into clear, actionable remediation guidance and partnering with application and platform teams to implement secure fixes. The successful candidate has a strong penetration testing or application security background, hands on remediation experience, and the ability to coordinate multiple collaborators to reduce risk at scale. This is a highly technical, delivery focused role with responsibility for both individual findings and systemic improvements. Key Responsibilities * Analyze and review penetration test reports to understand technical impact, exploitability, and business risk.
        LSEG is seeking a Senior Vulnerability Management Engineer to join our internal offensive security team with focus on driving closure of penetration testing findings. This role bridges offensive security and engineering by translating penetration test results into clear, actionable remediation guidance and partnering with application and platform teams to implement secure fixes. The successful candidate has a strong penetration testing or application security background, hands on remediation experience, and the ability to coordinate multiple collaborators to reduce risk at scale. This is a highly technical, delivery focused role with responsibility for both individual findings and systemic improvements. Key Responsibilities * Analyze and review penetration test reports to understand technical impact, exploitability, and business risk.
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        Machine Learning Engineer

        Via Match Limited
        City of London (EC2A)
        From £70,000 to £85,000 per annum
        London, Bristol or Edinburgh - We are working with a leading energy technology company that has built a major intelligence platform used by global energy and automotive brands. Their work helps accelerate the shift to reliable and affordable clean energy. The business operates internationally and promotes a flexible, hybrid approach to work. The Role - The company is hiring a Machine Learning Engineer at Tech Lead level to join a central ML team supporting Product and Engineering groups. You will design and productionise ML, optimisation and GenAI solutions that sit at the core of their platform. Projects include forecasting, recommendation systems and classification tools. Key Responsibilities * Build ML and GenAI solutions in Python, using Databricks, Kafka and AWS * Deploy and maintain algorithms in a microservices environment
        London, Bristol or Edinburgh - We are working with a leading energy technology company that has built a major intelligence platform used by global energy and automotive brands. Their work helps accelerate the shift to reliable and affordable clean energy. The business operates internationally and promotes a flexible, hybrid approach to work. The Role - The company is hiring a Machine Learning Engineer at Tech Lead level to join a central ML team supporting Product and Engineering groups. You will design and productionise ML, optimisation and GenAI solutions that sit at the core of their platform. Projects include forecasting, recommendation systems and classification tools. Key Responsibilities * Build ML and GenAI solutions in Python, using Databricks, Kafka and AWS * Deploy and maintain algorithms in a microservices environment
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        Appian Developer

        VIQU IT Recruitment
        Central London, London, WC2N 5DS
        £400 - 550 per day
        We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
        We are looking for an experienced Appian Developer to support integration and automation initiatives within a leading financial services organisation. This role focuses on connecting systems, automating complex business processes, and improving operational efficiency. * Design, develop, and maintain Appian applications to support fraud and spam prevention workflows. * Build and manage system integrations (APIs, web services, and third-party platforms) * Automate business processes to improve accuracy, speed, and resilience. * Working with offshore teams to complete end-to-end delivery, from requirements gathering to deployment * Ensure solutions meet security, compliance, and performance standards expected in financial services. * Must have proven experience as an Appian Developer. * Must have a strong background in system integration, process automation and APIs.
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        LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
        LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
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        FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a junior software engineer to be part a dynamic team building the distribution capabilities of our index products to the financial community worldwide.
        FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a junior software engineer to be part a dynamic team building the distribution capabilities of our index products to the financial community worldwide.
        more
        FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a senior software engineer to be part a dynamic team of software engineers building all distribution capabilities of our index products to the financial community wor
        FTSE Russell | LSEG Technology - FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a senior software engineer to be part a dynamic team of software engineers building all distribution capabilities of our index products to the financial community wor
        more
        Day Rate: Circa £500 per day (Outside IR35) Location: Hybrid/London - Contract: Initial 3 month contract - About the Role - A major UK public sector organisation is seeking an experienced Technical Business Analyst to support a high-profile digital transformation programme delivering fixed outcomes to challenging timelines. This role is ideal for a detail-driven analyst with strong technical capability, excellent stakeholder management, and a passion for data-led problem-solving. Key Responsibilities * Gather, validate, and document detailed business and technical requirements * Translate business objectives into technical specifications aligned with fixed deliverables and fixed outcomes * Conduct in-depth analysis of existing systems, data flows, integrations, and processes * Work closely with engineering, product, architecture, and delivery teams to shape solution o
        Day Rate: Circa £500 per day (Outside IR35) Location: Hybrid/London - Contract: Initial 3 month contract - About the Role - A major UK public sector organisation is seeking an experienced Technical Business Analyst to support a high-profile digital transformation programme delivering fixed outcomes to challenging timelines. This role is ideal for a detail-driven analyst with strong technical capability, excellent stakeholder management, and a passion for data-led problem-solving. Key Responsibilities * Gather, validate, and document detailed business and technical requirements * Translate business objectives into technical specifications aligned with fixed deliverables and fixed outcomes * Conduct in-depth analysis of existing systems, data flows, integrations, and processes * Work closely with engineering, product, architecture, and delivery teams to shape solution o
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        FEATURED

        AI/ML Principal Engineer

        Velocity Talent Ltd
        Central London (WC1)
        £400 per day £400 a day inside IR35
        Urgent 12-month Hybrid AI/Machine Learning (ML) engineer role paying £400 a day inside IR35 in central London with 2-3 days in the office a week. Start before Christmas, I need to send candidates today for this to be possible. Interviews next week apply asap/Today - Build and optimize AI/ML pipelines for predictive modelling, NLP, and generative AI applications. Perform Exploratory Data Analysis (EDA), data mining, and visualization to extract insights. Design and implement Big Data solutions using Hadoop, Spark, PySpark, and Data Lake architectures. Develop and deploy ML models (supervised, unsupervised, tree-based, ensemble methods). Implement deep learning architectures (CNN, RNN, LSTM) using TensorFlow, PyTorch, and Keras. Work on NLP and Generative AI tasks including embeddings, transformers (BERT, GPT), and OpenAI APIs.
        Urgent 12-month Hybrid AI/Machine Learning (ML) engineer role paying £400 a day inside IR35 in central London with 2-3 days in the office a week. Start before Christmas, I need to send candidates today for this to be possible. Interviews next week apply asap/Today - Build and optimize AI/ML pipelines for predictive modelling, NLP, and generative AI applications. Perform Exploratory Data Analysis (EDA), data mining, and visualization to extract insights. Design and implement Big Data solutions using Hadoop, Spark, PySpark, and Data Lake architectures. Develop and deploy ML models (supervised, unsupervised, tree-based, ensemble methods). Implement deep learning architectures (CNN, RNN, LSTM) using TensorFlow, PyTorch, and Keras. Work on NLP and Generative AI tasks including embeddings, transformers (BERT, GPT), and OpenAI APIs.
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        Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
        Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
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        Location: London - 1x a month - Salary: Up to £95,000 (D.O.E) + benefits - Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
        Location: London - 1x a month - Salary: Up to £95,000 (D.O.E) + benefits - Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for a motivated Senior Engineer who wants to grow in a high-performing, forward-thinking business. As a Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace.
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        Lead PHP Developer

        Rise Technical Recruitment Limited
        Swindon (SN1)
        £55000.00 - £65000.00 per annum + Bonus + Progression
        Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Bonus + Progression + Pension - An excellent opportunity awaits a Software Developer with strong PHP experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
        Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Bonus + Progression + Pension - An excellent opportunity awaits a Software Developer with strong PHP experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
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        PREMIUM
        We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
        We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
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        What is the average salary for API in Berkshire?

        Average salary per year
        £62,499

        The average salary for a API in Berkshire is £62,499. API in Berkshire salaries range from £52,499 to £79,934.

        Frequently Asked Questions

        How many API jobs are there in Berkshire?
        There are 26 API jobs within 20 miles of Berkshire available on CWJobs right now.

        Where in Berkshire are these jobs?
        You can find jobs in Reading, Windsor, Wokingham.

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