1 to 25 of 190 API Development Jobs in the UK excluding London

protected veteran status. We are committed to building a supportive and inclusive environment for all employees. This is an office-based position. Responsibilities An API Architect leads the design of complex integration solutions, using deep technical expertise to shape high-performance systems. They play a key role in developing … with broader organizational objectives. This role requires significant leadership in driving integration strategy across the enterprise. Job Responsibilities : Strategic Alignment: Design and lead the development of enterprise API architectures that align with business goals and objectives. Work with leadership and stakeholders to ensure APIs align with organizational strategies … and meet evolving business needs. API Design & Development: Lead the design of robust, scalable, and high-performance APIs that integrate multiple internal systems. Establish API development best practices, including design patterns, error handling, authentication, and security mechanisms. Drive the adoption of API-first design principles More ❯

skilled AI Developer with expertise in .NET, C#, Python, Data Science, and Data Engineering. This role requires hands-on experience in AI solution integration, API development, data processing, and cloud-based data pipelines. A deep understanding of Microsoft's Semantic Kernel and enterprise-grade AI-powered application development … an innovative and collaborative new team. Gain continuous learning and career growth opportunities. Competitive compensation and benefits package. What you'll do: AI & Software Development: Design and maintain AI applications using .NET, C#, Python, and Microsoft's Semantic Kernel, ensuring high performance and scalability. Data Science & Engineering: Handle large … processing to support AI solutions. AI Solution Integration: Enhance enterprise applications with AI services like Azure OpenAI and Cognitive Services for automation and analytics. API Development: Create secure and efficient RESTful APIs for AI and enterprise applications, deploying solutions using Azure services (AKS, Azure Container Apps). Version More ❯

responsible for developing and maintaining Neuronetics product and non-product software. The position requires working with a team of both contract and in-house development and test personnel. Job duties include the development of new features, writing unit and automation tests, debugging software issues reported from the field … and assisting with the creation of requirement and design documentation. Essential Duties/Responsibilities: Development of new product software features. This can involve UI/UX development, API development, and/or backend framework updates. Analyze field reported issues and troubleshoot complex software issues. Development … Excellent knowledge of software and application design and architecture. Strong experience with C# and the .NET framework. Strong knowledge/experience with Windows Desktop Development (WPF) using the .NET platform. Experience with Microsoft SQL Server. Ability to prototype development for new technologies. Strong interpersonal skills. Ability to work More ❯

Job summary Are you passionate about automation, low-code development, and digital transformation ? Do you want to develop innovative solutions that improve efficiency and user experience? We are looking for a Digital Automation & Low-Code Developer to join our People Scaling team , focusing on automating HR and workforce processes … . You will be responsible for designing, developing, and maintaining workflow automation, RPA (Robotic Process Automation), API integrations, and AI-powered solutions using Microsoft Power Automate, Power Apps, and related technologies . This role is hands-on and technical , perfect for someone who thrives in problem-solving, solution development … of the job Key Responsibilitieso Develop automation workflows using Microsoft Power Automateo Build low-code applications with Power Apps for HR & workforce processeso Design API integrations for seamless system connectivity (ESR, ATS, LMS, payroll)o Implement AI-driven automation to enhance efficiencyo Create self-service portals, digital forms, and More ❯

+ Bonus + Excellent Benefits Hybrid/West Yorkshire Looking for your next step as a Senior Developer with strong API expertise? This well-established organisation is investing heavily in tech and needs a confident engineer to help lead the way with their cloud-first, microservices-based systems. You … ll be involved in shaping development standards, mentoring others, supporting third-line issues, and leading the design of scalable, secure APIs using .NET and Azure. What you'll be doing: Leading API development and integration work in a microservices environment Designing and delivering .NET-based services that … are reliable, secure, and scalable Setting and maintaining development standards across the team Working closely with stakeholders to understand requirements and troubleshoot issues Taking ownership of solution design, technical documentation, and governance Keeping an eye on innovation and emerging tech to improve systems and services Tech stack and experience More ❯

management practices. Collaborate with cross-functional teams to support digital transformation initiatives and enhance data-driven decision-making. Contribute to the support and continual development of the data landscape to ensure its optimal performance and availability. Requirements Excellent communication and collaboration skills, with the ability to manage multiple projects … Experience with any of the following would be desirable but not essential; Microsoft's Fabric data platform, Experience with ADF such as managing pipelines, API development, API webhooks, automation. Previous experience working with facilities management datasets. THE PACKAGE A competitive salary of up to £45,000 with More ❯

to hire a talented Full Stack Software Developer to join their innovative team. This is a hybrid role, offering flexibility while contributing to the development of an industry-leading SaaS product. About the Role: As a Full Stack Software Developer, you will work closely with the company Directors to … in the market. This is a fantastic opportunity to develop your career in a fast-paced, forward-thinking environment with access to continuous professional development (CPD) and further learning opportunities. You will be joining an agile, customer-driven team and will be expected to deliver exceptional standards, innovate, and … with C# MS SQL & Linq HTML5 & CSS3 Javascript, Jquery & AJAX JavaScript-related libraries – React, TypeScript, Angular Desirable Experience: DevOps (AWS & IIS) UX & UI MVC development Source control (GitHub) API development & integration App development Testing technologies Benefits: 30 days holiday + your birthday off Complimentary gym membership More ❯

to hire a talented Full Stack Software Developer to join their innovative team. This is a hybrid role, offering flexibility while contributing to the development of an industry-leading SaaS product. About the Role: As a Full Stack Software Developer, you will work closely with the company Directors to … in the market. This is a fantastic opportunity to develop your career in a fast-paced, forward-thinking environment with access to continuous professional development (CPD) and further learning opportunities. You will be joining an agile, customer-driven team and will be expected to deliver exceptional standards, innovate, and … with C# MS SQL & Linq HTML5 & CSS3 Javascript, Jquery & AJAX JavaScript-related libraries - React, TypeScript, Angular Desirable Experience: DevOps (AWS & IIS) UX & UI MVC development Source control (GitHub) API development & integration App development Testing technologies Benefits: 30 days holiday + your birthday off Complimentary gym membership More ❯

developing, and deploying integration solutions that connect multiple enterprise systems, applications, and data sources. This is an exciting opportunity to work on cutting-edge API-led connectivity, enhancing agility and scalability. CGI was recognised in the Sunday Times Best Places to Work list 2024 and has been named one … MuleSoft APIs and integrations to support digital transformation initiatives. • Collaborate with business and technology teams to understand integration requirements and deliver scalable solutions. • Develop API-led connectivity solutions using MuleSoft Anypoint Platform. • Create and maintain RAML and OpenAPI specifications for RESTful APIs. • Ensure best practices in API security … governance, and performance optimization. • Perform unit testing and integration testing to validate API functionality and reliability. • Troubleshoot and resolve technical issues in integration services. • Work with CI/CD pipelines and DevOps practices to automate API deployments. • Provide technical expertise and guidance to junior developers and stakeholders. • Stay More ❯

on the following areas: - Design, develop, and implement robust APIs (Application Programming Interfaces) that enable data exchange and interactions between various software systems. - Create API specifications, documentation, and guidelines to ensure consistent and effective API usage, supporting our data users in this process. - Collaborate with business analysts and … IT teams to gather integration requirements and translate them into effective API integration solutions. - Build integrations that support real-time data synchronization, automate processes, and enhance user experiences. - Identify and resolve API integration issues promptly, collaborating with development and IT teams to implement effective solutions. - Ensure appropriate … security protocols and authentication mechanisms are in place and review these often to ensure that our API interactions are appropriately safeguarded. - Manage the lifecycle of APIs including unit testing, monitoring, versioning, DevOps and best practices. About you Youll be a technology specialist with a solid background in the design More ❯

proven track record in software development. A minimum of 4 years experience working with the Microsoft full stack of technologies. Essential Skills Full Stack Development: Demonstrated experience in full-stack development across both front-end and back-end. Proficiency in .NET Core & .NET Framework : Solid experience with C# … ASP.NET Core, ASP.NET MVC, and Blazor. Front-End Development : Deep knowledge of front-end technologies such as HTML5, CSS3, JavaScript (including JQuery), and frameworks like Bootstrap. Web Technologies : Experience with XML, JSON, and WCF. Web Services & API Development : Advanced experience working with RESTful APIs, SOAP, and Web … API development. T-SQL Development : Strong understanding and hands-on experience with SQL, including writing stored procedures, functions, and complex queries. Version Control with Git : Proficient with version control tool Git for collaborative development. Additional Skills Workload Management: Ability to manage multiple tasks simultaneously. Problem Solving & Decision Making More ❯

prominent London Market Insurance firm, is seeking a skilled Technical Lead to join their growing team. You will be responsible for overseeing the design, development, and implementation of technological solutions within the Reinsurance Segment. You will play a crucial role in supporting the integration of new syndicates and ensuring … and regulatory requirements. Architect, design, and implement technology solutions that enhance underwriting, claims, policy administration, and reporting systems. Oversee all stages of the software development lifecycle (SDLC), from requirements gathering and system design to development, testing, and deployment. Ensure adherence to best practices in system security, data governance … Insurtech solutions, to identify opportunities for innovation. Desired Skills At least 3+ years of experience in PowerBuilder. At least 5+ years of rigorous application development and hands-on experience using Microsoft technologies stack At least 5+ years of hands-on experience with Microsoft .NET technologies and SQL Server Proficiency More ❯

recognisable brands and public sector organisations This role offers the chance to work on cutting-edge web and mobile applications, collaborating within an Agile development environment to deliver high-performance, scalable, and maintainable solutions. As a key part of the team, you will provide technical leadership, contribute to architecture … decisions, and ensure best practices in development and deployment. Key Responsibilities Lead the development of front-end and back-end components using JavaScript, Node.js, and modern frameworks like Angular, React, or Vue.js. Provide mentorship to developers, ensuring high-quality code through best practices. Work closely with architects, product … teams, and stakeholders to design robust, scalable, and secure architectures. Participate in Agile development, including sprint planning, stand-ups, and retrospectives. Conduct code reviews and champion Test Driven Development (TDD) practices. Stay updated with emerging technologies to drive continuous learning and innovation. Must-Have Skills Experience developing with More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £90,000/£100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯