25 of 25 API Design Jobs in the East of England

Remote Lead Java Developer/Solution Architect (15-week contract)

Hiring Organisation
Gravity9
Location
Cambridge, Cambridgeshire, UK
description gravity9 is seeking a Technical Lead/Solution Architect to lead the design and build of a secure metadata catalogue platform for a UK public sector client. The platform will serve as a centralised index for discovering, governing, and controlling access to data distributed across multiple independent domains … integrates with separate data storage and encryption services provided by other technology partners. Duration 15 weeks Commitment Half-time for the first 4 weeks (design phase); full-time for the remaining 11 weeks (build and integration) Working model Mostly remote with periodic onsite attendance Security clearance BPSS (Baseline Personnel ...

Remote Lead Java Developer/Solution Architect (15-week contract)

Hiring Organisation
Gravity9
Location
Basildon, Essex, UK
description gravity9 is seeking a Technical Lead/Solution Architect to lead the design and build of a secure metadata catalogue platform for a UK public sector client. The platform will serve as a centralised index for discovering, governing, and controlling access to data distributed across multiple independent domains … integrates with separate data storage and encryption services provided by other technology partners. Duration 15 weeks Commitment Half-time for the first 4 weeks (design phase); full-time for the remaining 11 weeks (build and integration) Working model Mostly remote with periodic onsite attendance Security clearance BPSS (Baseline Personnel ...

Remote Senior Java Engineer (Remote)

Hiring Organisation
The Investigo Group
Location
Stevenage, Hertfordshire, UK
company that provides our Data and AI capability. A collaborative partner for designing user-centred secure data solutions to overcome operational hurdles, delivered through design thinking and agile coaching. Diversity, Equity, and Inclusion (DEI) are at the heart of The Investigo Group (TIG). We're dedicated to creating … paced environments and know how to strike the balance between delivery speed and long-term maintainability. You’re someone who: Thinks deeply about software design and architecture. Can clearly articulate your thinking to both engineers and non-engineers. Enjoys mentoring, supporting teammates, and fostering a strong engineering culture. ...

Remote Senior Java Engineer (Remote)

Hiring Organisation
The Investigo Group
Location
Basildon, Essex, UK
company that provides our Data and AI capability. A collaborative partner for designing user-centred secure data solutions to overcome operational hurdles, delivered through design thinking and agile coaching. Diversity, Equity, and Inclusion (DEI) are at the heart of The Investigo Group (TIG). We're dedicated to creating … paced environments and know how to strike the balance between delivery speed and long-term maintainability. You’re someone who: Thinks deeply about software design and architecture. Can clearly articulate your thinking to both engineers and non-engineers. Enjoys mentoring, supporting teammates, and fostering a strong engineering culture. ...

Remote Backend Engineer, London

Hiring Organisation
Air Apps
Location
Watford, Hertfordshire, UK
with cross-functional teams in person and contribute to a dynamic and fast-paced environment. We are open to support with relocation efforts. Responsibilities API & Service Architecture - Design and build RESTful or GraphQL APIs , microservices, and business logic using Node.js and TypeScript . Database Design & Integration - Model … managing services using serverless compute (e.g., Cloud Run, AWS Lambda, Azure Functions); Solid knowledge of Clean Code and Clean Architecture practices; Experience with API design (REST) and cloud-native application development; Familiarity with CI/CD pipelines , testing tools, and Git workflows; Strong grasp of security principles , data ...

Senior Python Engineer (Django / DevOps / IaC)

Hiring Organisation
Pontoon
Location
Welwyn Garden City, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 per day
cloud-native systems across the business by making security tooling fast, reliable, and seamless for every development team. You will be responsible for Design, develop, and maintain scalable REST APIs using Django. Build and operate asynchronous task pipelines (Celery/Redis) that orchestrate security scanning at scale. Ensure best … practices for code quality, performance, and security. Integrate robust security practices into all API layers, including authentication, authorisation, data validation, and protection against vulnerabilities. Develop and manage CI/CD pipelines for automated testing, deployment, and monitoring. Work closely with core devops teams or independently handle infrastructure and deployment ...

Senior Python Developer

Hiring Organisation
Spencer Rose Ltd
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
occasional out-of-hours support. Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet … expectations, and operational reliability. Integrate products with monitoring and support tooling. Experience/Skills required: Experienced Senior Engineer who can make sound trade-offs, design for scale, and contribute to complex systems without over-engineering. Strong engineering judgement and real-world delivery experience. Senior-level experience designing and building ...

Remote Staff Backend Software Engineer (Remote)

Hiring Organisation
Spoke
Location
Cambridge, Cambridgeshire, UK
courier companies, retailers, and anyone who receives a delivery! If you’re an experienced Backend Staff Software Engineer who enjoys working closely with product, design, and engineering - and you like tackling complex backend architecture challenges - we think you’ll be right at home here. Work/life at Spoke … issues are easier to spot and quicker to resolve. You’ll take the lead across multiple backend components, whether that’s shaping system design, digging into complex production behaviour, or driving longer-term improvements to workflows, deployments, and platform performance. As the stack evolves, you’ll be part ...

Remote Staff Backend Software Engineer (Remote)

Hiring Organisation
Spoke
Location
Colchester, Essex, UK
courier companies, retailers, and anyone who receives a delivery! If you’re an experienced Backend Staff Software Engineer who enjoys working closely with product, design, and engineering - and you like tackling complex backend architecture challenges - we think you’ll be right at home here. Work/life at Spoke … issues are easier to spot and quicker to resolve. You’ll take the lead across multiple backend components, whether that’s shaping system design, digging into complex production behaviour, or driving longer-term improvements to workflows, deployments, and platform performance. As the stack evolves, you’ll be part ...

Remote Senior Java Developer - Java/Spring/AWS - Remote (UK) - Immediate Start

Hiring Organisation
Wünder talent
Location
Ipswich, Suffolk, UK
platform teams. Strong knowledge of Spring Framework/Spring Boot. Hands-on experience with AWS for deployment, configuration and monitoring. Comfortable with RESTful API design and development. Solid understanding of software engineering principles and agile methodologies. Senior Java Developer | Java, Spring, AWS | Salary up to £75k | Remote ...

Remote Staff Backend Software Engineer

Hiring Organisation
Saris Ai
Location
Southend-on-Sea, Essex, UK
stage (ambiguous) environments. You’ve seen products through from v1 to scale, and you love designing clean systems that last. Your mission is to Design, develop, test, deploy, maintain, and enhance practical AI-powered software solutions for the fintech industry. Own project timelines by managing priorities and delivering high … cloud platforms (AWS/GCP) Strong experience with designing, building and scaling distributed systems Strong background in relational + non-relational databases (PostgreSQL, Redis) API design chops (REST, GraphQL), deployment know-how Bonus Points If You Have built complex workflow orchestration systems Know your way around cloud infra ...

Senior Software Engineer, Embedded UI

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
engineers are self-motivated to tackle challenges and ship impactful solutions. Collaboration is key—engineers work closely with cross‐functional teams, including UI design, product management, and business leadership, to make things happen. If you’re passionate about reimagining the world of streaming media in a dynamic, collaborative environment … this is the team for you. About the Role Our products are known for their seamless integration and intuitive design that delights users right out of the box. These qualities are the result of meticulous engineering and a commitment to excellence. As part of the engineering team ...

Remote Senior Software Engineer - Python and Data Ecosystem

Hiring Organisation
Clickhouse
Location
Luton, Bedfordshire, UK
landscape. Your job is to make that potential real: building the robust, production-ready connectors that make ClickHouse the natural choice when data practitioners design their next-generation AI and data systems. What you'll do Own and evolve ClickHouse's Python connector and SDK ecosystem, raising … performance, reliability, and API design Build and maintain integrations with orchestration platforms (Airflow, Dagster, Prefect) and transformation tools (dbt) to enterprise-grade quality standards Drive the AI/LLM integration strategy: designing connectors and patterns that make ClickHouse a natural fit in RAG architectures, ML feature pipelines ...

Remote Senior Software Engineer - Python and Data Ecosystem

Hiring Organisation
Clickhouse
Location
Peterborough, Cambridgeshire, UK
landscape. Your job is to make that potential real: building the robust, production-ready connectors that make ClickHouse the natural choice when data practitioners design their next-generation AI and data systems. What you'll do Own and evolve ClickHouse's Python connector and SDK ecosystem, raising … performance, reliability, and API design Build and maintain integrations with orchestration platforms (Airflow, Dagster, Prefect) and transformation tools (dbt) to enterprise-grade quality standards Drive the AI/LLM integration strategy: designing connectors and patterns that make ClickHouse a natural fit in RAG architectures, ML feature pipelines ...

Remote Sr Engineer - Product Team, Mobile Audio

Hiring Organisation
Xperi
Location
Southend-on-Sea, Essex, UK
technologies on mobile, PC and consoles. The successful candidate will have the opportunity to work with an experienced and growing Scrum team, to design and build exciting new products and integrations. The role provides a unique opportunity for the right person to guide development efforts across audio platforms … creating something easy to use and work with You’re an excellent C# and C++ developer with a good eye for UI/UX design You’re able to collaborate with a team but also comfortable as an individual contributor You’re a problem solver and can quickly find ...

Remote Senior Backend Engineer - Commerce Platform

Hiring Organisation
Spotify
Location
Watford, Hertfordshire, UK
disputes, and leverage ML for fraud detection and prevention. The reliability of these systems is business-critical for Spotify. What You'll Do Architect, design, and implement highly scalable backend services (Java/Python) and robust data pipelines that power Spotify’s internal Commerce platform. Develop and enhance … powered systems taking solutions from concept to production. Take the lead on API design, platform development, and ensuring the scalability, reliability, and performance of our services. Collaborate with a talented, cross-functional team of engineers, product managers, and data scientists to deliver impactful solutions. Mentor other engineers ...

Remote Senior Backend Engineer - Commerce Platform

Hiring Organisation
Spotify
Location
Norwich, Norfolk, UK
disputes, and leverage ML for fraud detection and prevention. The reliability of these systems is business-critical for Spotify. What You'll Do Architect, design, and implement highly scalable backend services (Java/Python) and robust data pipelines that power Spotify’s internal Commerce platform. Develop and enhance … powered systems taking solutions from concept to production. Take the lead on API design, platform development, and ensuring the scalability, reliability, and performance of our services. Collaborate with a talented, cross-functional team of engineers, product managers, and data scientists to deliver impactful solutions. Mentor other engineers ...

Senior Software Engineer, Subscriptions

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
What you’ll be doing Develop core features of the Roku Channel app and Roku OS. Work closely with Product Development, UI/UX design, Platform Services, and Release Management teams to contribute to our application development. Investigate, diagnose and resolve issues. We’re excited if you have Experience … Experience writing functional integration and unit tests. A good understanding of Core OS concepts like memory management and multi-threading. A good understanding of API design, considerations and trade-offs. Strong verbal and written communication skills (this role involves frequent communication with teams throughout Roku). Consumer electronics ...

Senior Software Engineer - Embedded, C++

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
groups to deliver new features and functionality on-time. Demonstrate excellence in C++ development and deliver high-performance, ultra-reliable software. Demonstrate impeccable software design skills, make extensive changes to an existing C++ code base that are modular and easy to maintain. Demonstrate the ability to dig-deep … operating systems. Deep understanding of multi-threaded development and concurrency management . Experience working on embedded browsers like Chromium, Webkit, Opera . Experience in API design and developing portable code. Should be able to accurately estimate software tasks and work to schedule. Ability to architect, implement, and test ...

Remote.Net Full Stack Developer (React) Remote UK Only

Hiring Organisation
Arden Resourcing Limited
Location
Cambridge, Cambridgeshire, UK
software and that they are actioned in line with the development processes Upgrade Existing Green field projects Technical Skills: .Net React Typescript PostgreSQL Web Api design Entity Framework Core Benefits Your work will have tangible real-world impact Modern Tech Stack: Develop software using the latest technologies ...

Remote.Net Full Stack Developer (React) Remote UK Only

Hiring Organisation
Arden Resourcing Limited
Location
Watford, Hertfordshire, UK
software and that they are actioned in line with the development processes Upgrade Existing Green field projects Technical Skills: .Net React Typescript PostgreSQL Web Api design Entity Framework Core Benefits Your work will have tangible real-world impact Modern Tech Stack: Develop software using the latest technologies ...

Remote.Net Full Stack Developer (React) Remote UK Only

Hiring Organisation
Arden Resourcing Limited
Location
Basildon, Essex, UK
software and that they are actioned in line with the development processes Upgrade Existing Green field projects Technical Skills: .Net React Typescript PostgreSQL Web Api design Entity Framework Core Benefits Your work will have tangible real-world impact Modern Tech Stack: Develop software using the latest technologies ...

Remote Software Engineer

Hiring Organisation
Fastino.ai
Location
Cambridge, Cambridgeshire, UK
velocity high. What We’re Looking For: Required: 3+ years of hands-on software engineering experience, with a track record of owning features from design to deployment. Required: Strong Python skills; comfort in TypeScript is a plus but not required. Required: You thrive in ambiguity and can balance speed … playbook. Optional: Experience building or integrating with LLM-based systems or AI infrastructure. Optional: Familiarity with high-concurrency backend systems or low-latency API design. ...

Remote Software Engineer

Hiring Organisation
Fastino.ai
Location
Norwich, Norfolk, UK
velocity high. What We’re Looking For: Required: 3+ years of hands-on software engineering experience, with a track record of owning features from design to deployment. Required: Strong Python skills; comfort in TypeScript is a plus but not required. Required: You thrive in ambiguity and can balance speed … playbook. Optional: Experience building or integrating with LLM-based systems or AI infrastructure. Optional: Familiarity with high-concurrency backend systems or low-latency API design. ...

Remote Software Engineer

Hiring Organisation
Fastino.ai
Location
Luton, Bedfordshire, UK
velocity high. What We’re Looking For: Required: 3+ years of hands-on software engineering experience, with a track record of owning features from design to deployment. Required: Strong Python skills; comfort in TypeScript is a plus but not required. Required: You thrive in ambiguity and can balance speed … playbook. Optional: Experience building or integrating with LLM-based systems or AI infrastructure. Optional: Familiarity with high-concurrency backend systems or low-latency API design. ...