API Design Jobs in the UK

301 to 325 of 1,028 API Design Jobs in the UK

Senior Full Stack Engineer (Node / Express / Angular)

London, United Kingdom
Hybrid / WFH Options
Honeycombsoft
version 12+). Experience with Storybook for UI component development. Solid expertise in TypeScript and Node.js. Proficiency in backend development with Express and RESTful API design. Experience working with MongoDB or other NoSQL databases. Understanding of authentication and authorization mechanisms (JWT, OAuth, etc.). Strong knowledge of best practices More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Software Engineer

City of London, London, United Kingdom
Alchemy Global Talent Solutions
lot of responsibility, and are passionate about producing reliable software solutions. Responsibilities Plan and execute technical strategies from concept to deployment, shaping software architecture, design, and best practices. Work with designers, PMs, and engineers to build, test, and refine desktop and enterprise-level software. Engage in all SDLC phases … design, development, testing, deployment—to set standards for future projects Use agile practices like TDD, CI, and rapid releases to enhance team efficiency and high-quality delivery. Solve complex technical challenges, ensuring scalable, reliable products through brainstorming and problem-solving. Foster collaboration by sharing expertise, mentoring, and promoting continuous … in agile methods like sprints, pair programming, and test-driven development. Adaptable, thrives in fast-paced environments, and quickly learns new technologies. SQL, RESTful API design, and modern front-end frameworks (React/Angular) experience is a plus. More ❯
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Java Software Engineer

London Area, United Kingdom
Alchemy Global Talent Solutions
lot of responsibility, and are passionate about producing reliable software solutions. Responsibilities Plan and execute technical strategies from concept to deployment, shaping software architecture, design, and best practices. Work with designers, PMs, and engineers to build, test, and refine desktop and enterprise-level software. Engage in all SDLC phases … design, development, testing, deployment—to set standards for future projects Use agile practices like TDD, CI, and rapid releases to enhance team efficiency and high-quality delivery. Solve complex technical challenges, ensuring scalable, reliable products through brainstorming and problem-solving. Foster collaboration by sharing expertise, mentoring, and promoting continuous … in agile methods like sprints, pair programming, and test-driven development. Adaptable, thrives in fast-paced environments, and quickly learns new technologies. SQL, RESTful API design, and modern front-end frameworks (React/Angular) experience is a plus. More ❯
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Java Developer

London, England, United Kingdom
Alchemy Global Talent Solutions Ltd
lot of responsibility, and are passionate about producing reliable software solutions. Responsibilities Plan and execute technical strategies from concept to deployment, shaping software architecture, design, and best practices. Work with designers, PMs, and engineers to build, test, and refine desktop and enterprise-level software. Engage in all SDLC phases … design, development, testing, deployment—to set standards for future projects Use agile practices like TDD, CI, and rapid releases to enhance team efficiency and high-quality delivery. Solve complex technical challenges, ensuring scalable, reliable products through brainstorming and problem-solving. Foster collaboration by sharing expertise, mentoring, and promoting continuous … in agile methods like sprints, pair programming, and test-driven development. Adaptable, thrives in fast-paced environments, and quickly learns new technologies. SQL, RESTful API design, and modern front-end frameworks (React/Angular) experience is a plus. #J-18808-Ljbffr More ❯
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Java Software Engineer

South East London, England, United Kingdom
Alchemy Global Talent Solutions
lot of responsibility, and are passionate about producing reliable software solutions. Responsibilities Plan and execute technical strategies from concept to deployment, shaping software architecture, design, and best practices. Work with designers, PMs, and engineers to build, test, and refine desktop and enterprise-level software. Engage in all SDLC phases … design, development, testing, deployment—to set standards for future projects Use agile practices like TDD, CI, and rapid releases to enhance team efficiency and high-quality delivery. Solve complex technical challenges, ensuring scalable, reliable products through brainstorming and problem-solving. Foster collaboration by sharing expertise, mentoring, and promoting continuous … in agile methods like sprints, pair programming, and test-driven development. Adaptable, thrives in fast-paced environments, and quickly learns new technologies. SQL, RESTful API design, and modern front-end frameworks (React/Angular) experience is a plus. More ❯
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Data Architect

Halifax, England, United Kingdom
JR United Kingdom
and their technical growth. Lead projects and inspire both colleagues and stakeholders. The Role As a Data Architect , you will be responsible for the design and building of Data Architecture. You should be well versed with cloud solutions, and be able to create and manage data models, data streaming … to the business. Deliver the best technical solutions for complex or significant business needs, where no precedent may exist. Ensure compliance with IT architecture design and all regulatory, mandatory and statutory requirements. Run and chair technical design meetings to achieve purposeful outcomes, active involvement in architecture and design … work prioritization models Proficiency in enterprise architecture principles and data strategy. Experience with risk, infrastructure, resilience, and security architecture practices and concerns. Skilled in API design and architecture patterns. Working experience with Public & Private Cloud Solutions, Microsoft Azure and Google Cloud Platform. Able to communicate effectively with technical More ❯
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Data Architect

Derby, England, United Kingdom
JR United Kingdom
and their technical growth. Lead projects and inspire both colleagues and stakeholders. The Role As a Data Architect , you will be responsible for the design and building of Data Architecture. You should be well versed with cloud solutions, and be able to create and manage data models, data streaming … to the business. Deliver the best technical solutions for complex or significant business needs, where no precedent may exist. Ensure compliance with IT architecture design and all regulatory, mandatory and statutory requirements. Run and chair technical design meetings to achieve purposeful outcomes, active involvement in architecture and design … work prioritization models Proficiency in enterprise architecture principles and data strategy. Experience with risk, infrastructure, resilience, and security architecture practices and concerns. Skilled in API design and architecture patterns. Working experience with Public & Private Cloud Solutions, Microsoft Azure and Google Cloud Platform. Able to communicate effectively with technical More ❯
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Data Architect

Birmingham, England, United Kingdom
JR United Kingdom
and their technical growth. Lead projects and inspire both colleagues and stakeholders. The Role As a Data Architect , you will be responsible for the design and building of Data Architecture. You should be well versed with cloud solutions, and be able to create and manage data models, data streaming … to the business. Deliver the best technical solutions for complex or significant business needs, where no precedent may exist. Ensure compliance with IT architecture design and all regulatory, mandatory and statutory requirements. Run and chair technical design meetings to achieve purposeful outcomes, active involvement in architecture and design … work prioritization models Proficiency in enterprise architecture principles and data strategy. Experience with risk, infrastructure, resilience, and security architecture practices and concerns. Skilled in API design and architecture patterns. Working experience with Public & Private Cloud Solutions, Microsoft Azure and Google Cloud Platform. Able to communicate effectively with technical More ❯
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Lead Software Development Engineer

London, United Kingdom
Hybrid / WFH Options
SPD Technology
. Postgres, Docker, Prometheus, K8s, Elastic. Team Stream Development Lead, 2 BE, 1 FE, 1 SDET As a qualified expert, You will Help architect, design, and develop complex, large-scale systems Identify opportunities to adopt innovative technologies Create architectures and diagrams that describe them Work on and provide guidance … for microservice REST API design Write key algorithms to maximize scalability and reliability Write code and unit tests Conduct code reviews Diagnose complex problems involving multiple systems and technologies Provide guidance and mentorship to a team of talented software engineers Be an example of engineering excellence Communicate with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Java Engineer

London, England, United Kingdom
Oodle Car Finance
Finance. As a Principal Java Engineer, you will be a technical leader and subject matter expert in Java-based software development. You will architect, design, and implement scalable, high-performance systems while mentoring engineering teams and driving best practices. This role requires a deep understanding of Java, modern software … architecture, and a passion for innovation and quality. What you'll be getting up to: Lead the design and development of complex Java applications and backend services Define and uphold coding standards, architecture, and engineering best practices Collaborate with cross-functional teams to turn business requirements into technical solutions … and frameworks such as Spring Boot, Hibernate, etc. Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes). Proficiency in RESTful API design, microservices architecture, and distributed systems. Solid understanding of databases (SQL and NoSQL), caching, and messaging systems. Hiring Process ️ Preliminary Interview (30 mins More ❯
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Lead Technical Architect

London, England, United Kingdom
Leven Talent
platform with seamless integrations and enterprise-grade security. Key Responsibilities Define and drive the technical vision and architecture for a multi-tenant SaaS platform. Design a cloud-native microservices framework for scalability and resilience. Ensure compliance with IFRS 17, NDPR, and NAICOM regulations . Oversee secure, API-first … talent as needed. Ensure enterprise-grade security , including encryption, role-based access controls, and authentication. Optimize performance, scalability, and high availability through efficient database design and caching. Develop multi-tenant data architecture , ensuring compliance with global data laws. Qualifications & Experience 12+ years in enterprise software development, with 5+ years … the insurance industry is a strong advantage. Hands-on knowledge of DevOps, CI/CD, Infrastructure as Code (IaC), and cloud security . Strong API design, workflow automation, and scalable data architecture experience. Why This Role? Make an impact : Lead the development of a cutting-edge insurance SaaS More ❯
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Principal Web Engineer (Angular)

Ruddington, England, United Kingdom
Hybrid / WFH Options
MHR
you're not just writing code – you're architecting the future of software solutions. You'll drive excellence in every aspect, from user interface design to maintaining a high-quality code base, collaborating with like-minded Web Developers, shaping innovative solutions, and coaching the team to tackle complex business … risk delivery and elucidate intricate concepts. Elevate coding standards by automating processes, ensuring extensive test coverage for sustainable delivery. Provide essential guidance during planning, design reviews, and incident management to empower web engineers. Cultivate consensus among peers on cutting-edge technologies and best practices. Play a vital role in … bring to the role and MHR Experience working on and building modern enterprise Angular applications. Good understanding of the following: Accessibility, Responsive and Adaptive design, working with UX/UI design documents Knowledge of the following: Web security, RESTful Web Services Experience with modern unit testing frameworks and More ❯
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Senior Full Stack Engineer

London, England, United Kingdom
Boxt Limited
solutions. • Build RESTful APIs and integrate third-party services. • Write clean, maintainable, and well-documented code, following best practices in software development. • Ensure responsive design and cross-browser compatibility for front-end components. • Perform code reviews, provide feedback, and mentor junior developers as needed. • Debug and resolve technical issues … in JavaScript and TypeScript, with hands-on experience in React.js and Next.js. • Solid understanding of front-end technologies such as HTML5, CSS3, and responsive design principles. • Experience with modern build tools and package managers like Webpack, npm, or Yarn. • Familiarity with RESTful API design and integration. • Experience More ❯
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Support Automation Engineer (Full Stack Developer)

London, United Kingdom
Judge.me
us to do more with less - leveraging your technical expertise to build solutions that scale without proportional resource increases. Core Responsibilities Technical Integration & Development Design and implement technical integrations between Intercom and internal systems Build custom solutions that enhance support efficiency and effectiveness Develop tools and automations that streamline … Resolution: Technical contribution to reducing average resolution time through automation What You'll Bring Must-Haves 3+ years of full-stack development experience Strong API development and integration expertise, including REST and GraphQL Familiarity with database design and implementation Experience building and deploying scalable web applications Understanding of … RESTful API design principles Strong problem-solving abilities and analytical thinking Excellent communication skills with both technical and non-technical stakeholders Nice-to-Haves Proficiency in Ruby on Rails Experience with Intercom platform and API Knowledge of AI/ML technologies and implementations Familiarity with Jira and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Intellect Group
real-world projects alongside experienced engineers, designers, and product managers. Whether it’s developing new user-facing features, improving system performance, or contributing to API design, you’ll have the chance to make meaningful contributions from day one while learning best practices in software engineering. What You’ll … both front-end and back-end systems Participating in code reviews, stand-ups, and sprint planning Collaborating with cross-functional teams including product and design Learning and applying best practices in version control, testing, and CI/CD Debugging and resolving issues, and contributing to continuous improvement Staying up More ❯
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Mid - Senior Full Stack Engineer | React.js/Node.js/TypeScript | Fin-Tech Start Up | Salary Ran[...]

Bromley, England, United Kingdom
Owen Thomas | Pending B Corp™
phase 2 alongside a dedicated Project Manager. ->Build scalable, full-stack web applications using modern frameworks and REST APIs. ->Work with MySQL for schema design, performance tuning, and data analysis. ->Manage deployments and build automation with CI/CD pipelines. ->Collaborate across departments to improve internal processes and support … Per Week (after probation passed 3 Days Per Week) | Greater London Requirements: -> Experience developing backend systems in Node.js or Python. ->Strong grasp of REST API design and integration. ->Expertise in MySQL and relational databases. ->Proficiency in front-end development using a modern JS framework. ->Comfortable with GitHub workflows More ❯
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Python Developer

Derby, England, United Kingdom
Xpertise Recruitment
a multi-disciplinary team and owning features end-to-end. There’s plenty of opportunity to get stuck into architecture discussions, deployment tooling, and API design, all within a fast-paced Agile environment. You’ll be building scalable, testable services and APIs in Python (Django/Flask), deploying … Collaborating with product managers, cloud engineers and designers What they’re looking for: Proven experience writing Python APIs (Django, Flask or FastAPI) Solid database design and cloud deployment experience (AWS, Azure or GCP) Good understanding of CI/CD pipelines, Git workflows and Agile delivery Strong attention to security More ❯
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Senior Machine Learning Engineer

London, England, United Kingdom
Sony Interactive Entertainment
validation, and monitoring of ML models Investigate and debug issues in machine learning systems and provide timely resolutions Collaborate with cross-functional teams to design and implement scalable and efficient software solutions Ensure all work is deployed in an automated, repeatable fashion Reviewing and recommending best practices Participate in … Kubeflow, Airflow, etc.) Familiarity with unstructured data processing (video, audio, ffmpeg) Experience working with model registries and model version control Strong understanding of REST API design patterns Proficiency in working with data manipulation libraries (e.g., Pandas, NumPy) and machine learning frameworks (e.g., TensorFlow, PyTorch) Knowledge of software development More ❯
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Lead/Principle Python Engineer for Generative AI Backend Development

London, England, United Kingdom
Trimble Inc
Monitoring Performance: Use observability tools such as Datadog and Databricks. Research & Innovation: Keep abreast of advancements in fine-tuning, RLHF, and prompt engineering. System Design & Architecture: Translate requirements into scalable, modern architectures. Testing & Integration: Develop comprehensive test suites and ensure quality assurance. Collaboration & Mentorship: Work with cross-functional teams … experience with GenAI in production Strong communication skills for working with global teams Experience with cloud platforms (Azure, AWS) Knowledge of microservices, Docker, Kubernetes API design experience Database management knowledge (NoSQL, PostgreSQL) Version control with Git Experience with CI/CD tools like GitHub Actions Problem-solving and More ❯
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Senior Software Engineer (Java) – Greenfield Cyber Security SaaS Solutions

London, England, United Kingdom
TechHeads
your career, build secure and scalable systems, and play a key role in a global product roadmap , we want to hear from you. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely … of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring Boot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/ More ❯
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Senior Backend Engineer

London, England, United Kingdom
Hybrid / WFH Options
Cuvva
Tech Stack: Our backend is made up of many standalone services with a JSON-based RPC interface. We aim to create a client-agnostic API design suitable for a variety of clients (mobile apps, website, internal tooling, 3rd parties). Because we're a regulated financial company, we … with teammates across a variety of initiatives such as building a new service in our backend platform, creating a new version of an existing API to deliver a new feature, or creating a CLI tool to automate something. On a day-to-day basis you'll: Write clean, concise … review, break down, and make improvements to your own work whilst taking part in the entire product development process from problem-discovery to solution design, to implementation and rollout Design, build and maintain backend services, primarily in Golang, and using AWS infrastructure and tools like Terraform, MongoDB, and More ❯
Posted:

Senior Python Developer

Derby, England, United Kingdom
Xpertise Recruitment
and system security Working with stakeholders across product, DevOps and compliance What you’ll bring: Deep knowledge of Python with strong experience in RESTful API design Cloud-native deployment skills (AWS, Azure or GCP) Infrastructure-as-Code with Terraform, Docker, Kubernetes Strong understanding of Agile and DevOps engineering More ❯
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Mid-Level Full-Stack Web Developer

London, United Kingdom
Hybrid / WFH Options
Resident Advisor
grade React applications TDD and all aspects of testing from unit through to integration Familiarity with CI/CD pipelines Mobile-first web development API design and consumption Experience in a strongly-typed object oriented language such as C# or Java Typescript NestJS GraphQL Elasticsearch React hooks React More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior AWS Engineer

London
Hybrid / WFH Options
BAE Systems
but if not we’ll help you with them AWS Certification at Associate level eg Solution Architect, Developer or DevOps Expertise in microservices and API design Docker, and container runtime platforms such as Kubernetes, EKS, ECS etc Strong understand of operational concepts on AWS, particularly monitoring and observability More ❯
Employment Type: Permanent
Posted:

Senior AWS Engineer

Manchester, North West
Hybrid / WFH Options
BAE Systems
but if not we’ll help you with them AWS Certification at Associate level eg Solution Architect, Developer or DevOps Expertise in microservices and API design Docker, and container runtime platforms such as Kubernetes, EKS, ECS etc Strong understand of operational concepts on AWS, particularly monitoring and observability More ❯
Employment Type: Permanent
Posted:
API Design
10th Percentile
£52,500
25th Percentile
£61,563
Median
£76,250
75th Percentile
£93,778
90th Percentile
£118,375