1 to 25 of 73 API Design Jobs in the UK excluding London

and platform teams to ensure the company's APIs are well-designed, discoverable, versioned, and aligned with modern integration patterns. The ideal candidate will also guide the adoption of API tooling and platforms such as TIBCO, Apigee, or Azure API Management, enhancing the developer experience both internally and externally. Key Responsibilities: Technical Leadership & API Strategy Define and … maintain the organisation's API strategy, including standards for design, documentation, versioning, security, and lifecycle management. Establish and evolve reusable API design patterns, working closely with architects and platform teams. Guide platform adoption and integration of API gateway/orchestration tools (e.g., TIBCO, Apigee, Azure API Management). Support consistent enforcement of API governance policies, authentication mechanisms, and API analytics. Contribute to the long-term roadmap for API enablement, developer tooling, and discoverability. Design, Development & Enablement Design and build Spring Boot-based APIs that are scalable, testable, and well-structured. Lead or support squads in the delivery of high-impact integration solutions across services and platforms. Collaborate on More ❯

Contract Developer - Node.js development, REST API design, and SIP-based communications Duration: 3 months (Outside IR35) Location: Bracknell/Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable … cloud environment. Day-to-day of the role: Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions. … Real-Time Communication Integration: Implement and maintain robust SIP/TLS integrations, ensuring low latency and secure communications within a safety-critical environment. Data & State Management: Design and manage schemas in cloud databases, ensuring efficient data transactions and real-time state management. Security & Compliance: Oversee the migration of sensitive data to secure cloud storage solutions, ensuring compliance with GDPR More ❯

Contract Developer - Node.js development, REST API design, and SIP-based communications Duration: 3 months (Outside IR35) Location: Bracknell/Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable … cloud environment. Day-to-day of the role: Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions. … Real-Time Communication Integration: Implement and maintain robust SIP/TLS integrations, ensuring low latency and secure communications within a safety-critical environment. Data & State Management: Design and manage schemas in cloud databases, ensuring efficient data transactions and real-time state management. Security & Compliance: Oversee the migration of sensitive data to secure cloud storage solutions, ensuring compliance with GDPR More ❯

Contract Developer - Node.js development, REST API design, and SIP-based communications Duration: 3 months (Outside IR35) Location: Bracknell/Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable … cloud environment. Day-to-day of the role: Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions. … Real-Time Communication Integration: Implement and maintain robust SIP/TLS integrations, ensuring low latency and secure communications within a safety-critical environment. Data & State Management: Design and manage schemas in cloud databases, ensuring efficient data transactions and real-time state management. Security & Compliance: Oversee the migration of sensitive data to secure cloud storage solutions, ensuring compliance with GDPR More ❯

The Role SDK Development & Architecture Lead the architecture, design, and implementation of an SDK for internal and external developers/customers. Establish coding standards, API design guidelines, and best practices to ensure SDK usability and maintainability. Maintain and evolve the SDK across multiple platforms (e.g., Windows, Linux, etc). Ensure that the SDK is well-documented, versioned … enable seamless hardware communication. Troubleshoot and optimize performance for high-throughput data interfaces. Collaborate with hardware vendors to ensure driver compatibility and long-term support. Graphical User Interface (GUI) Design & Development Design and develop intuitive basic GUIs that integrate seamlessly with the SDK for R&D debug, production QC and customer demo. Collaborate with the product teams to … translate requirements into functional, user-friendly applications. Apply modern design principles to deliver efficient, easy to use and visually appealing interfaces. Collaboration & Leadership Work closely with sales, QA, and the cross-functional R&D team to align the SDK with product strategy. Mentor junior engineers and contribute to building a culture of technical excellence and software development skills. Provide More ❯

is welcome; join us and let's build what's next - together! We are seeking a Senior Software Engineer to join our team in Manchester! Your Impact Software Development: Design, implement, and maintain scalable, maintainable, and efficient Python-based applications, focusing on backend and full-stack development. Collaboration & Communication: Work closely with product managers, designers, and other engineers to … familiarity with CI/CD pipelines (e.g., Jenkins, GitLab CI). Testing and Debugging: Experience with testing tools like pytest, unit tests, and debugging skills to quickly resolve issues. API Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

Overview AWS Technical Lead with experience leading an API-driven digital platform hosted on AWS is needed. Your role will involve driving the implementation of scalable, secure, and high-performance solutions integrated with Salesforce. Responsibilities Lead the design and implementation of scalable, secure, and high-performance solutions on AWS, with integration to Salesforce. Drive API design … end), Jenkins (CI), Karate/Gherkin (testing/BDD), and Cypress (UI testing); ability to implement DevSecOps practices and manage CI/CD pipelines. Systems & Integration: Solid understanding of API design principles and integration techniques for connecting cloud services with enterprise systems. Certifications: AWS certified (e.g. AWS Certified Developer - Associate or higher). Location: Based in the UK More ❯

systems Debug complex runtime issues including data races, memory leaks, and performance bottlenecks Turn research prototypes into robust, production-ready software modules Lead architecture discussions and enforce clean, scalable design patterns Drive engineering standards across CI/CD, observability, and system modularisation Mentor developers through code reviews, pair programming, and design walkthroughs Bridge the gap between research and … threading, profiling Experience debugging complex issues in large, multi-threaded or real-time systems Comfortable optimising across CPU/GPU boundaries (e.g. PyTorch, TensorRT, CUDA) Passion for clean code, API design, and maintainable architecture Proven track record of delivering production-grade systems in fast-moving teams Desirable: Experience with ROS 2, DDS, or other robotics middleware Familiarity with … encourage you to apply today. Key words: Senior Software Engineer, Robotics, C++, Python, ROS 2, DDS, CUDA, PyTorch, TensorRT, Real-Time Systems, Embedded Systems, Low Latency, CI/CD, API Design, Linux Kernel, Multithreading, GPU Optimisation, Robotics Engineer, Autonomous Systems, London Engineering Jobs, Robotics Startups, High Performance Computing Established in Didsbury, Connexa Technology Ltd is becoming one of More ❯

a large global consultancy, is looking for an Azure Solution Architect to play a key role in the RegDB decommission program , working closely with stakeholders and offshore teams to design, develop, and deliver high-quality Azure-based solutions. This is a hands-on role where you will combine solution design expertise with strong development and integration skills. Key … in C#/.NET Framework with strong coding and debugging skills. Experience with Azure services : Logic Apps, Functions, APIM, Event Grid, Azure Storage, Service Bus. Strong knowledge of the API/integration lifecycle , including design, deployment, and enhancement. Hands-on experience building and updating integrations/APIs in Azure Integration . Programming proficiency: JavaScript, XSLT, C#, Liquid Templates … . Expertise in RESTful & SOAP API design , APIM policy, and transformations. Skilled in API/Integration security protocols & best practices . Practical experience with Postman, API monitoring, and documentation tools . Knowledge of Open API Specification, WSDL, SOAP, XSLT . Proficiency in SQL Server and OOPs concepts . Application Insight proficiency in .NET and .NET More ❯

a fast-paced warehousing or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with BigCommerce APIs, Pimberly APIs, and third-party integrations (e.g., ERP, CRM, payment gateways More ❯

a fast-paced warehousing or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with BigCommerce APIs, Pimberly APIs, and third-party integrations (e.g., ERP, CRM, payment gateways More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

up-within a startup-style venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with TypeScript and modern frameworks (e.g. … development productivity and platform capabilities. Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry … Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of More ❯

a Senior Java Developer, you will play a key role in designing, developing, and maintaining enterprise-grade applications, while mentoring junior engineers and helping shape technical strategy. Key Responsibilities Design, develop, and maintain Java-based applications and services . Write clean, efficient, and well-documented code . Participate in code reviews and provide constructive feedback. Collaborate with cross-functional … teams to define, design, and deliver new features . Troubleshoot and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven experience with RESTful API design and development . More ❯

software across the full stack, from front-end UI to back-end APIs Build and maintain performant applications using React, Next.js, and Node.js Contribute to architectural discussions and technical design decisions Collaborate with product, design, and platform teams to align on feature delivery Write clean, maintainable code and participate in peer code reviews Optimise applications for performance, scalability … stack development using React , Next.js , and JavaScript/TypeScript Proven backend engineering skills using Node.js and/or modern languages like Python , Ruby , Scala , or Rust Solid understanding of API design and integration Track record of delivering end-to-end web applications Knowledge of performance tuning and front-end optimisation Comfortable in Agile environments with CI/CD More ❯

for someone with strong technical expertise who’s ready to step up and lead by example—bringing both strategic thinking and hands-on engineering experience to the table. Responsibilities Design, develop and maintain robust, cloud-native applications across both front-end (React/JavaScript/TypeScript) and back-end (Java, Spring Boot) stacks Tackle the most complex user stories … Requirements Minimum of 8 years’ experience in a Software Engineering role using Java and Spring Boot Strong proficiency with JavaScript, React, TypeScript Understanding of RESTful APIs, microservices, and secure API design Familiarity with DevOps tools and CI/CD pipelines (e.g. Jenkins, Maven, Docker, Kubernetes, Terraform) Experience with cloud platforms (Azure, GCP, or AWS preferred) Strong understanding of More ❯

for someone who thrives in a fast-paced, dynamic environment, takes ownership of their work, and is passionate about building high-quality software using modern engineering practices. Key Responsibilities Design, develop, and maintain high-quality integration microservices in Go, adhering to business and technical requirements. Translate complex business workflows into scalable technical implementations using a microservices-first approach. Develop … and Experience Commercial experience developing backend services using Go (Golang). Experience with Java or other object-oriented programming languages is also valuable. Strong understanding of microservices architecture, REST API design, and distributed systems principles. Experience with integration patterns, asynchronous processing, messaging queues (e.g., Kafka, RabbitMQ), and event-driven systems. Hands-on experience working with SQL databases, schema … design, and data transformation. Proficiency in containerization and orchestration tools such as Docker and Kubernetes. Familiarity with software development best practices including version control (Git), CI/CD pipelines, and Agile methodologies. Proven ability to quickly learn new technologies, understand business domains, and adapt to evolving priorities. Excellent problem-solving and debugging skills with a keen attention to detail. More ❯

end systems and abstractions Implement performance improvements and engineering best practices Collaborate across multi-disciplinary teams to refine features and user journeys Participate in code reviews, architecture discussions, and design decisions Develop APIs and microservices to enable secure and high-performing functionality Play a key role in the ongoing journey to cloud-based infrastructure and deployment Writing modular, well … deep back-end development experience, ideally in large-scale environments Strong experience with Java and Spring Boot Familiarity with Node.js and React/AngularJS is beneficial Experience with microservices, API design, and event-driven architecture Strong knowledge of RESTful APIs, web services, and Git version control Solid experience with Docker or other containerisation tools Proven track record using More ❯

interact with complex data and models, while contributing to the growth and technical leadership of the engineering team. Key Responsibilities for Senior Full Stack Software Engineer Angular/Python Design, develop, and maintain responsive and performant Angular components. Develop and optimise backend services in Python (FastAPI), including REST API design and integration. Build interactive data visualizations (e.g. … data handling, and full stack integration. Hands-on experience deploying and operating cloud-native applications in GCP, including Cloud Run, Kubernetes, containerisation (Docker), and related tooling. Proven ability to design and deliver data-intensive applications with interactive visualizations. Experience with Git, CI/CD pipelines, automated testing, and agile practices. Excellent communication skills and a collaborative mindset. Nice-to More ❯

interact with complex data and models, while contributing to the growth and technical leadership of the engineering team. Key Responsibilities for Senior Full Stack Software Engineer Angular/Python Design, develop, and maintain responsive and performant Angular components. Develop and optimise backend services in Python (FastAPI), including REST API design and integration. Build interactive data visualizations (e.g. … data handling, and full stack integration. Hands-on experience deploying and operating cloud-native applications in GCP, including Cloud Run, Kubernetes, containerisation (Docker), and related tooling. Proven ability to design and deliver data-intensive applications with interactive visualizations. Experience with Git, CI/CD pipelines, automated testing, and agile practices. Excellent communication skills and a collaborative mindset. Nice-to More ❯