API Design Jobs in England

251 to 275 of 348 API Design Jobs in England

Senior Node Engineer

london (city of london), south east england, united kingdom
Norton Blake
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
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Senior Technical Architect

London Area, United Kingdom
Hybrid / WFH Options
Anson McCade
months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯
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Senior Technical Architect

City of London, London, United Kingdom
Hybrid / WFH Options
Anson McCade
months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯
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Senior Technical Architect

london, south east england, united kingdom
Hybrid / WFH Options
Anson McCade
months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯
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Senior Technical Architect

slough, south east england, united kingdom
Hybrid / WFH Options
Anson McCade
months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯
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Senior Technical Architect

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Anson McCade
months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯
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Technical Product Manager

reigate, south east england, united kingdom
WTW
vision. Other Highly Desirable, But Not Essential Skills Are Background in Software development, data science, or data engineering. Exposure to cloud platforms (e.g., AWS, Azure, GCP). Understanding of API design, microservices architecture, or event-driven systems. Experience in B2B enterprise software environments with complex stakeholder landscapes. Product management certification (e.g., CSPO, Pragmatic Institute, AIPMM). Degree-educated More ❯
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Integration Engineer SC Cleared StevenageH/ybrid

Stevenage, Hertfordshire, England, United Kingdom
Akkodis
solutions for both public and private sector programmes - and we're looking for an Integration Engineer to join our growing Software & Integration team. As an Integration Engineer, you'll design, build, and document integrations across multiple cloud platforms, enabling seamless data flow between critical systems. You'll collaborate with a diverse team of software engineers, cloud architects, business analysts … and QA specialists to deliver scalable, secure, and maintainable integration solutions that drive real-world impac t. Design, develop, and implement integrations in AWS and Azure , including low-code environments. Hands-on experience with low-code/no-code integration platforms (AWS, Azure, Power Automate, or MuleSoft Composer). Strong understanding of cloud architectures in AWS and/or … Azure. Familiarity with API design , REST/SOAP services , and event-driven architectures . Proven ability to document technical solutions and data flows. Good knowledge of DevOps principles , CI/CD , and version control . Experience integrating systems such as ServiceNow, SAP, Salesforce, or Pega .If you're passionate about Integration - this is a project you'll want More ❯
Employment Type: Full-Time
Salary: £60,000 - £75,000 per annum
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Software Engineer

Peterborough, England, United Kingdom
Hybrid / WFH Options
SoCode Recruitment
mass manufacturing system. This is a unique opportunity to contribute to the future of additive manufacturing. The Role As a Software Engineer, you’ll work across the stack to design and deliver high-performance systems used in production environments worldwide. You’ll collaborate with hardware, R&D, and product teams to build operator-facing UIs, scalable back-end services … ideas and feedback to the technical roadmap About You Background as a full-stack engineer, ideally in an industrial or product-led environment Experience delivering complex software systems from design through deployment Hands-on expertise in TypeScript, Node.js, and a front-end framework (ideally Angular) Understanding of API design and operator-facing UI development Strong debugging, problem … solving, and system design skills Excellent communication and collaboration skills with R&D and hardware teams What’s on Offer Salary: £60,000 – £65,000 DOE Enhanced pension contribution 24+ days holiday entitlement Electric vehicle and cycle schemes with free on-site charging Free on-site gym access State-of-the-art 3D printing and prototyping facilities A collaborative More ❯
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Software Engineer

peterborough, east anglia, united kingdom
Hybrid / WFH Options
SoCode Recruitment
mass manufacturing system. This is a unique opportunity to contribute to the future of additive manufacturing. The Role As a Software Engineer, you’ll work across the stack to design and deliver high-performance systems used in production environments worldwide. You’ll collaborate with hardware, R&D, and product teams to build operator-facing UIs, scalable back-end services … ideas and feedback to the technical roadmap About You Background as a full-stack engineer, ideally in an industrial or product-led environment Experience delivering complex software systems from design through deployment Hands-on expertise in TypeScript, Node.js, and a front-end framework (ideally Angular) Understanding of API design and operator-facing UI development Strong debugging, problem … solving, and system design skills Excellent communication and collaboration skills with R&D and hardware teams What’s on Offer Salary: £60,000 – £65,000 DOE Enhanced pension contribution 24+ days holiday entitlement Electric vehicle and cycle schemes with free on-site charging Free on-site gym access State-of-the-art 3D printing and prototyping facilities A collaborative More ❯
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Software Engineer

cambridge, east anglia, united kingdom
Hybrid / WFH Options
SoCode Recruitment
mass manufacturing system. This is a unique opportunity to contribute to the future of additive manufacturing. The Role As a Software Engineer, you’ll work across the stack to design and deliver high-performance systems used in production environments worldwide. You’ll collaborate with hardware, R&D, and product teams to build operator-facing UIs, scalable back-end services … ideas and feedback to the technical roadmap About You Background as a full-stack engineer, ideally in an industrial or product-led environment Experience delivering complex software systems from design through deployment Hands-on expertise in TypeScript, Node.js, and a front-end framework (ideally Angular) Understanding of API design and operator-facing UI development Strong debugging, problem … solving, and system design skills Excellent communication and collaboration skills with R&D and hardware teams What’s on Offer Salary: £60,000 – £65,000 DOE Enhanced pension contribution 24+ days holiday entitlement Electric vehicle and cycle schemes with free on-site charging Free on-site gym access State-of-the-art 3D printing and prototyping facilities A collaborative More ❯
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Firmware Support Engineer

Morecambe, Lancashire, England, United Kingdom
UK Talent Resource
role in our success. Your Role: Bridging Development & Customer Success As a Firmware Support Engineer, you will be responsible for the end-to-end lifecycle of our firmware, from design and development to post-deployment support. Your expertise in Modbus RTU/TCP and M-Bus will be critical. Key Responsibilities: Design & Development: Create, develop, and test firmware … Customer-Facing Support: Act as the primary technical contact for customers, providing clear, expert support on our products and protocols. Hardware Collaboration: Work with hardware teams; knowledge of PCB design and assembly is a plus for effective troubleshooting. Full Lifecycle Involvement: Participate in requirements definition, unit testing, API design, and maintaining documentation in Confluence. What We're … debugging complex system issues. Strong communication skills, with the ability to explain technical concepts clearly to customers and colleagues. Desirable Skills: Experience with IoT device development. Familiarity with PCB design, assembly, and troubleshooting. Knowledge of test automation frameworks. What We Offer You: Competitive Salary: A competitive package of up to £50,000, dependent on your experience. Specialist Role: Become More ❯
Employment Type: Full-Time
Salary: £35,000 - £50,000 per annum, Negotiable
Posted:

Applications Architect - Modernisation

England, United Kingdom
DXC Technology Inc
modernisation opportunities. + Develop modernisation roadmaps aligned with enterprise architecture and business strategy. + Recommend appropriate cloud platforms, microservices architectures, and modernization patterns (e.g., rehost, refactor, rearchitect). Architecture & Design: + Design scalable, resilient, and secure application architectures using modern technologies (e.g., containers, serverless, APIs). + Define integration strategies with existing systems and third-party services. + … across the application portfolio. Skills Required: Proven experience in application architecture and modernisation projects. Strong knowledge of public and hybrid cloud platforms. Expertise in microservices, containerization (Docker, Kubernetes), and API design. Familiarity with legacy systems (e.g., monolithic applications, mainframes) and migration strategies. Experience with Agile and DevOps practices and CI/CD pipelines. Excellent communication and stakeholder management skills. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.Net Developer

City of London, London, United Kingdom
Caspian One
join them at inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net … with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to More ❯
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.Net Developer

London Area, United Kingdom
Caspian One
join them at inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net … with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to More ❯
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.Net Developer

london, south east england, united kingdom
Caspian One
join them at inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net … with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to More ❯
Posted:

.Net Developer

london (city of london), south east england, united kingdom
Caspian One
join them at inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net … with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to More ❯
Posted:

.Net Developer

slough, south east england, united kingdom
Caspian One
join them at inception of the project. This is a rare opportunity to influence best practices from the ground up, working directly with the FX Options trading desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net … with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to More ❯
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Senior Software Engineer Node.js

Liverpool, Merseyside, England, United Kingdom
Hybrid / WFH Options
Adria Solutions
Stack or Backend Developer to play a key role in shaping the backend of our next-generation B2C platform. You’ll work closely with our front-end team to design and deliver robust, scalable APIs and infrastructure that power our consumer experience. What You’ll Do: Develop and maintain production-grade APIs and backend systems using Node.js. Leverage AI … and security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We’re Looking For: Extensive experience building high-traffic consumer applications. Strong understanding of RESTful API design, database optimization, and security. Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS, microservices More ❯
Employment Type: Contractor
Rate: £400 - £550 per day, Negotiable
Posted:

Senior Software Engineer

Liverpool, UK
Hybrid / WFH Options
Adria Solutions Ltd
Stack or Backend Developer to play a key role in shaping the backend of our next-generation B2C platform. You'll work closely with our front-end team to design and deliver robust, scalable APIs and infrastructure that power our consumer experience. What You'll Do: Develop and maintain production-grade APIs and backend systems using Node.js. Leverage AI … and security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We're Looking For: Extensive experience building high-traffic consumer applications. Strong understanding of RESTful API design, database optimization, and security. Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS, microservices More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer (Node.js)

birkenhead, north west england, united kingdom
Hybrid / WFH Options
Adria Solutions Ltd
Stack or Backend Developer to play a key role in shaping the backend of our next-generation B2C platform. You’ll work closely with our front-end team to design and deliver robust, scalable APIs and infrastructure that power our consumer experience. What You’ll Do: Develop and maintain production-grade APIs and backend systems using Node.js . Leverage … security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We’re Looking For: Extensive experience building high-traffic consumer applications . Strong understanding of RESTful API design, database optimization, and security . Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS More ❯
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Senior Software Engineer (Node.js)

old swan, north west england, united kingdom
Hybrid / WFH Options
Adria Solutions Ltd
Stack or Backend Developer to play a key role in shaping the backend of our next-generation B2C platform. You’ll work closely with our front-end team to design and deliver robust, scalable APIs and infrastructure that power our consumer experience. What You’ll Do: Develop and maintain production-grade APIs and backend systems using Node.js . Leverage … security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We’re Looking For: Extensive experience building high-traffic consumer applications . Strong understanding of RESTful API design, database optimization, and security . Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS More ❯
Posted:

Senior Software Engineer (Node.js)

warrington, cheshire, north west england, united kingdom
Hybrid / WFH Options
Adria Solutions Ltd
Stack or Backend Developer to play a key role in shaping the backend of our next-generation B2C platform. You’ll work closely with our front-end team to design and deliver robust, scalable APIs and infrastructure that power our consumer experience. What You’ll Do: Develop and maintain production-grade APIs and backend systems using Node.js . Leverage … security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What We’re Looking For: Extensive experience building high-traffic consumer applications . Strong understanding of RESTful API design, database optimization, and security . Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have: React/Next.js, Azure, Payload CMS More ❯
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Senior Software Engineer

South East London, London, United Kingdom
Bright Purple Resourcing
fast to take things to the next level. Youll join as a Senior Backend Engineer , taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams. What makes this special? High-performance engineering team smart, passionate, and collaborative Big mission …/CD, and plenty of greenfield challenges Youll be a great fit if you bring: 7+ years backend experience (Python expertise essential) Strong knowledge of Django (or similar) and API design Experience scaling apps, with an eye for performance and reliability A proactive, problem-solving mindset and love for collaboration Enjoy a collaborative, chic, and modern office environment More ❯
Employment Type: Permanent
Salary: £95,000
Posted:

Founding Engineer (Backend)

London Area, United Kingdom
Affinity Labs
in tight cycles. This is an early-stage, hands-on role with significant autonomy and responsibility to drive backend product development, collaborating closely with founders, creators, and product/design to turn lean specs into reliable, scalable services. Responsibilities Implement features end-to-end on the backend (APIs → data models → integrations) and maintain quality while moving fast. Run tight … safety guardrails). Essential Requirements 2–4+ years building production backends/services , with shipped work and clear ownership. Strong Python (FastAPI) and database skills ( PostgreSQL/MongoDB ); solid API design fundamentals. Familiarity with AWS serverless patterns and Docker for bespoke services; basic CI/CD concepts. Comfortable with Redis (caching/sessions) and common queue/messaging More ❯
Posted:
API Design
England
10th Percentile
£52,500
25th Percentile
£61,250
Median
£75,000
75th Percentile
£98,125
90th Percentile
£126,250