26 to 50 of 664 API Design Jobs in the UK excluding London

We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This is a Hybrid role working from either our London, Dundee or Glasgow offices 2 days a week. We are seeking a highly skilled and … scalable, and high-performance Java-based solutions for our diverse client base, with the potential to contribute to and lead AI-driven initiatives. Key Duties and Responsibilities Lead the design and development of complex, scalable Java-based applications (e.g., microservices, APIs), setting technical direction and ensuring code quality. Solve intricate back-end architectural and performance challenges, identifying and implementing … Spring Boot, Spring MVC, Spring Security, Spring Data JPA). Solid understanding of relational databases (e.g., PostgreSQL, MySQL, Oracle) and ORM frameworks (e.g., Hibernate, JPA). Experience with RESTful API design and development. Proficiency with version control systems, particularly Git. Experience with build tools like Maven or Gradle. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) is a More ❯

the opportunity to work in an Agile team, ensuring we meet our customer requirements and deliver impactful quality software. Using your technical skills, you will contribute to code reviews, design and implement complex solutions, and support the business strategy. Work in a team environment using Agile practices Develop and implement reliable, scalable technical software with AWS cloud services Work … Framework Proficient in front-end technologies such as HTML5, CSS3, JavaScript , and frameworks like React , Angular Experience with relational databases like SQL Server and NoSQL databases Knowledge of RESTful API design and development Familiarity with cloud platforms like Azure or AWS Education & Experience: Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical More ❯

Experience of working in a Scrum Team and an Agile environment. Strong front-end development experience with expertise in React, Next.js, and TypeScript. Solid knowledge of backend development and API design, with hands-on experience in Node.js to build scalable and high-performance applications. Understanding of CI/CD pipelines, infrastructure as code, and DevOps best practices. Experience More ❯

BT Group Belfast, Northern Ireland, United Kingdom Join or sign in to find your next job Join to apply for the Java API Design Engineer (Digital) role at BT Group BT Group Belfast, Northern Ireland, United Kingdom 23 hours ago Be among the first 25 applicants Join to apply for the Java API Design Engineer (Digital … these software platforms offer a comprehensive set of business capabilities across eCommerce, customer relationship management, quoting, product catalogue, orchestration, service assurance, and IDAM. Your focus will be on developing API-driven integrations for the new IT, supported by Microservices, to underpin core integration capabilities. This involves building a standardised set of integration capabilities across the value and volume IT … will be key to understanding and interpreting priorities, working with value stream product owners to prioritise their demands into your backlogs. You will be the subject matter expert for API and Microservices-driven integration work. Responsibilities Technical Solutions: Create and implement technical solutions for a domain or cross-domains/portfolios of work within a specific technology area autonomously More ❯

base. Key Responsibilities: Foster a productive and innovative development environment Oversee the development process to produce reliable and efficient software solutions Leads on process and creation of technical solution design and documentation to support delivery of development projects. Design, develop, and maintain highly secure web applications using C# .Net. Collaborate with product managers, designers, and other engineers to … stack. Stay up-to-date with emerging technologies and industry trends to recommend innovative solutions. Requirements: Experience building secure web applications using .Net technologies, including C#, ASP.Net, and Web API development. Proven experience of or desire to lead a small team of experience developers. Solid understanding of RESTful API design and development. Experience with relational databases (e.g. More ❯

base. Key Responsibilities: Foster a productive and innovative development environment Oversee the development process to produce reliable and efficient software solutions Leads on process and creation of technical solution design and documentation to support delivery of development projects. Design, develop, and maintain highly secure web applications using C# .Net. Collaborate with product managers, designers, and other engineers to … stack. Stay up-to-date with emerging technologies and industry trends to recommend innovative solutions. Requirements: Experience building secure web applications using .Net technologies, including C#, ASP.Net, and Web API development. Proven experience of or desire to lead a small team of experience developers. Solid understanding of RESTful API design and development. Experience with relational databases (e.g. More ❯

ensure you have the tools to meet new challenges. About the Role: OQC are looking for a Senior Software Engineer to join our growing team, developing web-based/api-based solutions for a variety of challenges encountered by our partners and end-users. In this role, you will also develop and maintain critical tools supporting business development and … of large projects and coordinating the work within a team. Strong understanding of common data structures and programming methods. Strong problem solving, troubleshooting and analysis skills. Demonstrated ability to design, develop, and test high-performance distributed systems. Technically versatile and able to learn new skills that you can apply across multiple types of work. Experience with containerised microservices and … deployment in global environment. Strong knowledge of API design, RESTful principles, and microservices architecture. Uphold development standards and prioritize best coding practices. Cloud solutions experience. Desirable skills and experience: Experience in building web applications and working knowledge of one or more of JavaScript/Typescript, HTML, CSS, React/Angular/Node.js. Expertise in Flask web framework. Experience More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

any other company within its portfolio: Architectural Leadership Define and maintain the overarching software architecture and technical strategy, ensuring alignment with business goals and project roadmaps. Establish and promote design principles, patterns, and standards to ensure a stable and reusable codebase. Collaborate with Lead Engineers to ensure architectural consistency across teams and projects. Conduct regular reviews of code, system … teams to ensure smooth deployment processes and robust infrastructure support. DevOps and Automation Leadership Champion and lead the adoption of DevOps practices to streamline software development, testing, and deployment. Design and implement CI/CD pipelines to enable fast and reliable delivery of software solutions. Drive automation initiatives across development and operational workflows, enhancing team efficiency and reducing manual … teams to integrate testing and monitoring tools into the development lifecycle. Cloud Architecture and Security Ensure the security, robustness, and scalability of cloud-based systems and architectures. Lead the design and maintenance of secure cloud infrastructure, adhering to industry best practices and compliance standards. Implement strategies to monitor and protect systems from vulnerabilities and threats. Collaborate with outsourced security More ❯

Job summary Join our Development Team as an Information Systems Developer, where you'll design and maintain data processes that transform, clean, and present information in user-friendly formats. You'll build integrations feeding data into live systems and analytical workflows, working hands-on with SQL databases, backend applications, REST APIs, and modern web interfaces. Leveraging both Azure and … AWS cloud services, you'll deploy scalable solutions that power real-time insights and keep our systems running smoothly. To succeed, you'll need solid experience in SQL database design and querying, proficiency in a backend language (such as Python, C#, or Rust), and a knack for building RESTful integrations. We're looking for someone eager to work with … you're passionate about turning data into actionable insights and thrive in a collaborative, fast-paced environment, we'd love to hear from you. Main duties of the job Design and Maintain Data Workflows: Build, document, and manage ETL processes to transform, clean, and validate data for live systems, analytics, and reporting. Lead and Coordinate Projects: Own major technical More ❯

team, you will actively participate in the software development lifecycle. Your primary focus will be on coding, implementing features, and contributing to test automation, while also being involved in design discussions, code reviews, and deployment processes. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and … and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and understanding of Entity Framework Bachelor's Degree in software engineering or a related field Good spoken and written English skills Nice-to-Haves: Hands … on experience with Python in testing area Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker, and monitoring/logging tools Expertise in implementation of automated functional tests using Python Understanding of software testing More ❯

team, you will actively participate in the software development lifecycle. Your primary focus will be on coding, implementing features, and contributing to test automation, while also being involved in design discussions, code reviews, and deployment processes. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. Responsibilities: Develop new and … and AWS (or other cloud service providers) Experience writing unit tests, component testing or integration testing Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and understanding of Entity Framework Bachelor's Degree in software engineering or a related field Good spoken and written English skills Nice-to-Haves: Hands … on experience with Python in testing area Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins), containerization with Docker, and monitoring/logging tools Expertise in implementation of automated functional tests using Python Understanding of software testing More ❯

on our agent-based RMM system that operates on Windows, macOS, and Linux – ensuring it communicates in real-time with our cloud platform. Collaborate with cross-functional teams to design, develop, and test high-quality software solutions. Contribute to Agile development processes, working with Scrum or Kanban methodologies to deliver new features, enhancements, and bug fixes. Drive best practices … ago Reading, England, United Kingdom 2 weeks ago Senior Software Engineer (Remote UK, Hybrid Bracknell/Daresbury) Bracknell, England, United Kingdom 7 hours ago Lead Software Engineer (Scalability and API Design) - 95% Remote - £85k - ID41216 Reading, England, United Kingdom 2 days ago Fleet, England, United Kingdom 9 hours ago Oxford, England, United Kingdom 2 weeks ago Reading, England More ❯

considered for this role you'll need commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable skills include Docker, Kubernetes, CI/CD, Android & Azure DevOps Role Overview: Design & architecture of applications and design More ❯

Jasmine Automated test frameworks User testing Linux Operating Systems - Use, operate, patch and secure, Bash, RHEL Collaboration tools - Jira, Confluence, Slack Behaviour Driven Development - Cucumber Micro-Service Architecture - Develop API design and open standards RESTful APIs Swagger Open API Cloud computing Security OWASP Top Ten Denial of Service SQL Injection Cross Site Request Forgery High Availability products … in software craftsmanship, responsible for ensuring best practices are adhered to across the department and guiding teams on how to deliver quality software products. You will assist in the design of software products that make up citizen services in collaboration with Architecture and Engineering principles. With a focus on operational stability, robustness, resilience, availability and quality you will be … accountable for the code your teams produce. Design and lead the strategies for building reusable libraries and services Own the development of medium-long term strategies for product lines and the Software Engineering Community Identify and support the resolution of infrastructure faults Provide 3rd line support on products developed, including out of hours support as and when required Lead More ❯

where problem solving is highly valued. Requirements: Commercial experience in C#/.NET Development Tech Stack: C#/.NET Core UI Development (WPF/XAML/MVVM) Entity Framework API Design & Development OOP SQL Git/TFS Desirable Skills: Docker Kubernetes CI/CD Android Azure DevOps Role Overview: Design & architecture of applications and user-facing applications More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

collaborative, and dynamic environment. What you will be doing with us: As a Software Engineer at digiLab, you will be responsible for: Collaborating with a cross-functional team to design, develop, and maintain high-quality software solutions. Utilizing expertise in AWS, Python, MongoDB, and other relevant technologies to contribute to scalable, secure systems. Applying security best practices throughout the … software development lifecycle. Fostering a collaborative, learning-oriented environment within the team. Implementing software design patterns, SOLID principles, and best practices. Demonstrating an understanding of CI/CD pipelines. Providing technical support and participating in incident investigations. Ensuring adherence to RESTful API design principles. What Skills we are looking for: Industry experience in (scientific) software development. Degree … bash, and the command line. Experience with modern statistical machine learning and AI, including Numpy, Scipy, and Pandas. Ability to write logical, consistent, self-explanatory code. Understanding of software design patterns, SOLID and DRY principles. Experience with Git/GitHub and best practices. Knowledge of the software testing pyramid and types of automated testing (smoke, component, unit, performance, load More ❯

external partners. Reporting to James David (Head of Cloud and Site Reliability Engineering); you’ll take ownership of development projects — setting priorities, managing dependencies, and seeing work through from design to deployment. You’ll be; Driving forward development standards and prioritizing best coding practices including promotion of “Software Craftmanship” at OQC Gather requirements, propose solutions, build and test prototypes … through to production. Design approaches that weigh trade-offs between performance, maintainability, and scalability. Ensure your work is robust, documented, and ready for others to use and build upon. Operate within Agile frameworks like Scrum, actively collaborating, reviewing, and delivering. Stay current with industry trends in security, QA, and tooling, and share recommendations. Mentor teammates through pair programming, knowledge … We value engineering expertise and adaptability just as much as specific language skills. You’ll be confident writing modern, maintainable code with a solid grasp of data structures and design patterns. You’ll also have experience developing and testing software using contemporary practices like TDD, BDD, and contract testing, and running it in production using containers (e.g. Docker, Kubernetes More ❯

will be instrumental in helping to realize this vision for DailyPay by enabling efficient and effective deployment and management of machine learning models. How You Will Make an Impact: Design and Implement MLOps Solutions: Design and implement scalable and efficient ML pipelines and workflows, encompassing model training, deployment, monitoring, and retraining. Contribute to the development and implementation of … ML frameworks such as scikit-learn, TensorFlow, or PyTorch CI/CD Experience: Experience with CI/CD tools and practices (e.g., GitHub Actions, Jenkins) and the ability to design and implement efficient CI/CD pipelines Containerization and Orchestration: Knowledge of containerization and orchestration technologies (e.g., Docker, Kubernetes) Monitoring and Logging: Experience with monitoring and logging tools like … the ability to work effectively in a remote, collaborative environment Nice to Haves: Experience with infrastructure-as-code tools like Terraform or CloudFormation. Familiarity with microservices architecture and RESTful API design. Experience leading small projects and managing stakeholders. Contributions to open-source projects or participation in the MLOps community. What We Offer: Competitive compensation Opportunity for equity ownership Private More ❯

on the hunt for 2 experienced Senior Machine Learning Operation Engineers to join our Data Function. You'll play a significant role within our Data Function, working on the design and implementation of machine learning model engineering frameworks, solutions, and best practices. You'll be technically proficient in machine learning and its applications; you'll demonstrate an understanding of … skills Ability to diagnose and troubleshoot problems quickly Excellent problem-solving and analytic skills Powering the business with the right tools What's involved: You'll contribute to the design and implementation of Machine Learning Engineering standards and frameworks. You'll support model development, with an emphasis on auditability, versioning, and data security. You'll implement automated data science … model testing and validation. You'll assist in the optimisation of deployed ML model scoring code in production services. You'll assist in the design and implementation of data pipelines and engineering infrastructure to embed scaled machine learning solutions. You'll use CI/CD pipelines, manage the deployment and version management of large numbers of data science models More ❯