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137 API jobs in The City, City of London + 20 miles
706 exact matches jobs are outside your preferred location
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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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Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions * Champion best practices in frontend engineering, testing, and CI/CD * Mentor and support teammates to raise the engineering
Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions * Champion best practices in frontend engineering, testing, and CI/CD * Mentor and support teammates to raise the engineering
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Mid-Level Mobile Developer (iOS) Brighton, 4 days per week in office, £50,000£70,000 DOE - Mid-Level iOS Developer required by a Brighton based Software House. This is a new role which would be perfect for someone looking to build polished, high-performing mobile apps while working in a collaborative, creative environment. * Designing, building, and maintaining iOS applications in Swift * Creating clean, modern UIs with SwiftUI * Applying SOLID principles to write scalable, maintainable code * Working with RESTful APIs to integrate app functionality * Ensuring apps perform smoothly through memory management, multi-threading, and performance optimisation * Collaborating with cross-functional teams on exciting projects * Nice to have: experience with Android development (Kotlin) Our client offers a vibrant office culture and you will have the opportunity to work on dive
Mid-Level Mobile Developer (iOS) Brighton, 4 days per week in office, £50,000£70,000 DOE - Mid-Level iOS Developer required by a Brighton based Software House. This is a new role which would be perfect for someone looking to build polished, high-performing mobile apps while working in a collaborative, creative environment. * Designing, building, and maintaining iOS applications in Swift * Creating clean, modern UIs with SwiftUI * Applying SOLID principles to write scalable, maintainable code * Working with RESTful APIs to integrate app functionality * Ensuring apps perform smoothly through memory management, multi-threading, and performance optimisation * Collaborating with cross-functional teams on exciting projects * Nice to have: experience with Android development (Kotlin) Our client offers a vibrant office culture and you will have the opportunity to work on dive
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£45,000 - 55,000 GBP - Onsite WORKING - Location: Stevenage, Cambridge, East of England - United Kingdom Type: Permanent - Data Engineer - Generative AI | Defence Technology - A leading international defence organisation is seeking an experienced Data Engineer with a focus on Generative AI to join their IM GenAI Delivery Office in the UK. You will play a pivotal role in designing, managing, and optimising datasets that support advanced defence systems and critical internal projects. * Develop and maintain robust, secure, and high-integrity datasets for internal defence applications. * Design and optimise data pipelines to ensure reliable, compliant, and scalable solutions. * Apply your expertise in Generative AI, NLP, and OCR to enhance and automate data processes. * Build ETL workflows, APIs, and other data integration solutions tailored for mission-critical environm
£45,000 - 55,000 GBP - Onsite WORKING - Location: Stevenage, Cambridge, East of England - United Kingdom Type: Permanent - Data Engineer - Generative AI | Defence Technology - A leading international defence organisation is seeking an experienced Data Engineer with a focus on Generative AI to join their IM GenAI Delivery Office in the UK. You will play a pivotal role in designing, managing, and optimising datasets that support advanced defence systems and critical internal projects. * Develop and maintain robust, secure, and high-integrity datasets for internal defence applications. * Design and optimise data pipelines to ensure reliable, compliant, and scalable solutions. * Apply your expertise in Generative AI, NLP, and OCR to enhance and automate data processes. * Build ETL workflows, APIs, and other data integration solutions tailored for mission-critical environm
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Software Support Engineer
Software Support Engineer
S-SA Digital Recruitment Ltd
MK41, Bedford
From £32,000 to £38,000 per annum Excellent Benefits
Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
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Data Consultant
Data Consultant
Fortice Ltd
London
From £45,000 to £80,000 per annum Open to candidates of all experience
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
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NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
FEATURED
As our API Integration Specialist, you will support and help to grow our brand universe. * Around 2-3 years in API integration domain
As our API Integration Specialist, you will support and help to grow our brand universe. * Around 2-3 years in API integration domain
We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
Work closely with the team to develop new features, such as better interpretation layers, enhanced data decoding, and improved API coverage for various blockchain data.
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Proven track record in API design and development.
Proven track record in API design and development.
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Java Tech Lead Role (2+ years exp in Tech Lead Role) -Java 8+, Spring MVC, SpringBoot, REST API, AWS -Award-Winning UK based FinTech Company -Surrey- Hybrid - 4 days onsite / 1 day WFH -£80,000 - £90,000 (Depending on Experience) I am looking for an Experienced Java Tech Lead who has been leading successful Java teams and is looking for a new challenge - the core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
Java Tech Lead Role (2+ years exp in Tech Lead Role) -Java 8+, Spring MVC, SpringBoot, REST API, AWS -Award-Winning UK based FinTech Company -Surrey- Hybrid - 4 days onsite / 1 day WFH -£80,000 - £90,000 (Depending on Experience) I am looking for an Experienced Java Tech Lead who has been leading successful Java teams and is looking for a new challenge - the core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
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Experience with MuleSoft and API Gateways.
Experience with MuleSoft and API Gateways.
Proficiency as a full stack Software Engineer, including front-end web development (CSS, HTML) and backend API design.
Proficiency as a full stack Software Engineer, including front-end web development (CSS, HTML) and backend API design.
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Experience with Power Automate and API development is a plus.
Experience with Power Automate and API development is a plus.
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Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
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Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
Rest API's and Microservice architecture * Restful API Design and development fundamentals * Good SQL knowledge
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Title: Senior Software Engineer (Driver/API)
Title: Senior Software Engineer (Driver/API)
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REST API development
REST API development
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Hands-on experience integrating external data sources into internal systems using ETL pipelines and API-driven data exchange.
Hands-on experience integrating external data sources into internal systems using ETL pipelines and API-driven data exchange.
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
Knowledge of the following tools Cucumber Godog or other BDD tools Kubernetes Docker Rest Assured Rest or other REST API testing tools Wiremock Mountebank or other HTTP stubbing tools
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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Knowledge of API testing and tools such as SoapUI or Postman.
Knowledge of API testing and tools such as SoapUI or Postman.
FEATURED