126 to 148 of 148 API Development Jobs in the UK

and expanding the current automation service, which leverages OCR, Object Detection and LLM AI in order to automate some internal applications. You will bring a strong blend of Python development expertise, coupled with commercial exposure to modern AI technology and practices. Specifically, you will have a strong technical foundation across a blend of Large Language Models (LLMs), machine learning … fine tuning Machine Learning & AI Libraries including: Transformers/Hugging Face Python expertise with an understanding of object-oriented programming Pandas, PyTorch, Numpy SQLAlchemy, Boto3 AWS - Lambda, S3, CDK API Development Design and implementation of AI/ML solutions Excellent communicator Strong stakeholder management Keen collaborator The above is not exhaustive. For further information on this opportunity please More ❯

Job Title: Full Stack Developer Location: Felixstowe SuffolkType: Permanent Salary: DOE About the Role We are seeking a talented Full Stack Developer to join a small, focused development team responsible for delivering a key project along with numerous internal projects. As part of this team, you will work across the entire development stack, leveraging DevOps practices, SQL Server … C#, Angular, TypeScript, and Kendo UI to create RESTful API services and high-quality web applications. You will have proven experience working with Microsoft C# full stack, and ideally have some preference/experience towards front end UI/UX. The Frontend is written in Angular and Kendo is used for component libraries.In addition to driving the current microservice … Angular, TypeScript, Kendo UI, SQL Server, DevOps pipelines. Create RESTful APIs and other services that support core business functions. Maintain and enhance legacy .NET Framework MVC applications. Deliver smaller development solutions to support operational and administrative needs. Collaborate closely with a small, agile team to deliver high-quality solutions on time. Contribute to architecture discussions and process improvements. Required More ❯

Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯

Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯

Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯

and SharePoint to deliver business-critical digital solutions. If youve also worked in the following roles, wed also like to hear from you: Web Developer, Application Engineer, Systems Developer, API Developer This job is officially known within the organisation as a Senior Application and Integration Developer SALARY: £48,630 to £54,773 per annum + Benefits (see below) LOCATION … connect internal and cloud-based systems, ensuring secure, efficient data flow and automation across the organisation. The Senior Application and Integration Developer/Software Developer will also support the development of applications using Microsoft Power Platform and SharePoint, while collaborating with colleagues and stakeholders to translate requirements into effective solutions. APPLY TODAY Ready to make your next career move … Apply Today for our Recruitment Team to review. DUTIES Your duties as the Senior Application and Integration Developer/Software Developer include: Application Development: Build, deploy and maintain applications using Microsoft Power Platform and SharePoint System Integration: Design and implement integrations using Microsoft BizTalk Server and APIs SharePoint Solutions: Customise and extend SharePoint Online for collaboration and document management More ❯

. Proven ability to work independently and manage your own workload. Knowledge of the public sector, particularly within defence or government , is highly desirable. Experience with Power Automate and API development is a plus. If you're a skilled Blue Prism Developer with SC Clearance looking for a challenging new role, apply today. More ❯

largest customers and technology suppliers. Our client is globally recognised as being at the forefront of new technology and regularly provides services in the field of SaaS & Data Licensing, API Development, Robotics & Automation, Digital Transformation Cybersecurity, Cloud Services, IT Infrastructure (Migration & Integration) & Managed Services. You will deliver business-focused solutions, acting as a strategic legal and deal advisor … pitfalls in design, build and run/operate proposals. Primarily providing support during the sales cycle from supporting the engagement teams with their responses to tenders and bid response development to negotiating contracts for services. Review and negotiation of engagement contracts across Consulting and MSAs/framework agreements including direct discussion with clients and their legal advisors. Working closely More ❯

largest customers and technology suppliers. Our client is globally recognised as being at the forefront of new technology and regularly provides services in the field of SaaS & Data Licensing, API Development, Robotics & Automation, Digital Transformation Cybersecurity, Cloud Services, IT Infrastructure (Migration & Integration) & Managed Services. You will deliver business-focused solutions, acting as a strategic legal and deal advisor … pitfalls in design, build and run/operate proposals. Primarily providing support during the sales cycle from supporting the engagement teams with their responses to tenders and bid response development to negotiating contracts for services. Review and negotiation of engagement contracts across Consulting and MSAs/framework agreements including direct discussion with clients and their legal advisors. Working closely More ❯

largest customers and technology suppliers. Our client is globally recognised as being at the forefront of new technology and regularly provides services in the field of SaaS & Data Licensing, API Development, Robotics & Automation, Digital Transformation Cybersecurity, Cloud Services, IT Infrastructure (Migration & Integration) & Managed Services. You will deliver business-focused solutions, acting as a strategic legal and deal advisor … pitfalls in design, build and run/operate proposals. Primarily providing support during the sales cycle from supporting the engagement teams with their responses to tenders and bid response development to negotiating contracts for services. Review and negotiation of engagement contracts across Consulting and MSAs/framework agreements including direct discussion with clients and their legal advisors. Working closely More ❯

largest customers and technology suppliers. Our client is globally recognised as being at the forefront of new technology and regularly provides services in the field of SaaS & Data Licensing, API Development, Robotics & Automation, Digital Transformation Cybersecurity, Cloud Services, IT Infrastructure (Migration & Integration) & Managed Services. You will deliver business-focused solutions, acting as a strategic legal and deal advisor … pitfalls in design, build and run/operate proposals. Primarily providing support during the sales cycle from supporting the engagement teams with their responses to tenders and bid response development to negotiating contracts for services. Review and negotiation of engagement contracts across Consulting and MSAs/framework agreements including direct discussion with clients and their legal advisors. Working closely More ❯

largest customers and technology suppliers. Our client is globally recognised as being at the forefront of new technology and regularly provides services in the field of SaaS & Data Licensing, API Development, Robotics & Automation, Digital Transformation Cybersecurity, Cloud Services, IT Infrastructure (Migration & Integration) & Managed Services. You will deliver business-focused solutions, acting as a strategic legal and deal advisor … pitfalls in design, build and run/operate proposals. Primarily providing support during the sales cycle from supporting the engagement teams with their responses to tenders and bid response development to negotiating contracts for services. Review and negotiation of engagement contracts across Consulting and MSAs/framework agreements including direct discussion with clients and their legal advisors. Working closely More ❯

with designers, product owners, and other engineers in an agile environment. Build intuitive front-end experiences with React. Deliver robust APIs and services using RESTful architecture. Apply Test-Driven Development to ensure reliability and maintainability. Use Git for version control and Azure DevOps for tracking tasks and estimations. Core Skills & Experience for this Fullstack Developer role 5+ years’ experience … building commercial software and web applications. Expert at using Typescript to develop data-heavy Applications. React proficiency for front-end development. Deep knowledge of Node.js for backend and API development. Strong experience with unit testing and TDD practices. Skilled in Git branch management. A keen eye for quality, detail, and clean code practices. Comfortable using Azure DevOps for time … tracking and task estimation. The FullStack Typescript Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the development of data-rich, user-friendly applications. Keywords : Fullstack Developer, TypeScript, Node.js, React, Azure DevOps, Javascript, React Developer, Api, Birmingham, West Midlands, Solihull, WarwickshireTo apply, please send your CV More ❯

Develop & maintain applications using .NET (C#), .NET Core, and Azure technologies. Collaborate with product managers, designers, and developers to create high-quality software solutions. Mentor junior members of the development team, providing expert support when required. Contribute to design decisions for up-and-coming projects Become a vital link between the software team and key internal and external stakeholders. … Design and manage MS SQL Server databases, optimizing performance and scalability. Implement Azure cloud services (App Services, Functions, Storage, DevOps). Participate in code reviews and contribute to software development best practices. Troubleshoot and debug applications to ensure reliability and efficiency. Stay up to date with emerging technologies and industry trends. Qualifications Minimum of 3 years' experience within a … Senior Software Developer role Minimum of 5 years post graduate experience within Software Development Degree in computer science of a related discipline Strong experience in .NET (C#, .NET Core) and SQL Server. Proficiency in Azure cloud services (Azure App Services, Functions, Storage). Understanding of microservices architecture & API development. Strong problem-solving and debugging skills. Previous experience in More ❯

in daily stand-ups, sprint planning, and other agile ceremonies. Education, Skills & Experience: Strong experience as a full stack developer but with a deep understanding of modern front-end development best practices. Extensive experience with JavaScript, TypeScript, and modern front-end frameworks (React preferred). Proficiency with CSS preprocessors, HTML5, and CSS3. Familiarity with RESTful APIs, source control (git … and Agile methodologies. Desirable: Experience with .NET/.NET Core, Dapper, Entity Framework, MS SQL Server, and API development. Strong experience working with NPM/Yarn, bundlers (Webpack/Vite), and build tools Why Join? Be part of a diverse and inclusive team. Work in a hybrid environment with flexibility (2 days per week in London) Contribute to innovative … projects. Continuous learning and professional development opportunities. Ready to take your career to the next level? Apply now and help shape the future of legal and professional services! Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯

technical leadership and mentorship to engineers across multiple teams. Oversee the design, quality, and delivery of scalable technical solutions. Drive improvements in CI/CD, automation, testing, and secure development practices. Collaborate with senior leadership on technical strategy, risk management, and roadmap planning. Lead the resolution of technical constraints, blockers, and integration challenges. Promote engineering values and facilitate clear … sustainability and continuous improvement. Required Skills and Experience Significant experience as a Senior or Staff Software Engineer Expertise in React and NestJS, including server-side rendering, state management, and API development. Strong background in designing micro frontend (MFE) architectures and optimising CI/CD, automation, and testing practices. Extensive experience with cloud-native environments (preferably GCP and Azure, AWS … experience will also be considered), containerisation, and infrastructure tools (Docker, Kubernetes, Helm, Terraform). Skilled in performance optimisation and secure development practices Proven leadership, mentorship, and collaboration skills across multiple teams and stakeholders. Excellent communication, problem-solving, and continuous improvement mindset. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive More ❯

Axway API Developer (SC Cleared) ?? 6 months contract Inside IR35 ?? £500 to £650 a day ??Remote Working (UK based) A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯

Axway API Developer (SC Cleared) 6 months contract Inside IR35 £500 to £650 a day Remote Working (UK based) A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - £500 to £650 a day If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯

We are seeking a Full stack Developer to join our team and support the design and development of back-end systems that power our EV charging infrastructure. You’ll help build the technology stack that delivers real-time insights to customers on fleet charging operations, as well as data on system performance for Voltempo. Working closely with experienced engineers … Software Engineering, Computer Science, or a related subject (or equivalent experience). Knowledge of programming and web technologies such as HTML5, CSS3, JavaScript/React, Node.js, SQL, JSON, and API development. Strong problem-solving and analytical ability, with a willingness to learn and take on new challenges. Enthusiasm for low-carbon technologies, sustainability, and innovative data solutions. Strong communication More ❯

mission is to help builders to build and innovate. We do this by providing a powerful suite of tools that enables every developer to easily create or consume any API or service. We envision a world where developers can rapidly turn any idea into reality. APIs are fundamental to how software is built today. API producers want to … offer APIs because they are an increasingly important way to reach customers. Companies like Stripe, Twilio, and Plaid are API-first because of this. Infrastructure companies like AWS and GCP drive huge increases in developer usage via APIs. Internally, APIs enable teams to scale efficiently. For API producers however, offering an API that is easy to integrate … with is far too difficult. Developers spend 70% of their time on activities other than building the API itself: writing endless docs and usage guides, troubleshooting failed API calls, setting up authentication, building self-service tooling for users - the list goes on. Every team has to reinvent the wheel today. Most can't afford the time and resources More ❯

strategy and deliver a world-class developer experience across IAG Loyalty and BA Holidays.You will lead four teams: Platform Engineering (cloud, data platforms, developer tooling), Backstage (internal developer portal), API Developer Portal (external partner integrations), and QA Engineering (central QA strategy).This role blends technical insight with strong leadership. You'll set strategy, guide teams, influence decisions, manage budgets … or partner locations, based on your role and 'to do' list. What you'll be doing In this role, you will provide strategic leadership for our Platform Engineering, Backstage, API Developer Portal, and QA Engineering teams, setting the vision and direction while aligning emerging industry trends with business priorities across IAG Loyalty and BA Holidays. You will lead and … inspire a large, multi-disciplinary team of Tech Leads, Engineers, Technical Product Managers, and QA specialists, providing coaching, mentoring, and career development for both permanent staff and contractors. Your guidance will ensure the teams are empowered, motivated, and equipped to deliver excellence at scale.You will take ownership of our central cloud and data platforms, ensuring the right guardrails are More ❯

looking for an SC Cleared BluePrism Developer to work within the Central Government sector Looking for an experienced Automation developer. Importantly they: Must have SC clearance Must have BluePrism Development experience Ideally have experience in PowerAutomate/APIs development Must be able to delivery independe click apply for full job details More ❯

looking for an SC Cleared BluePrism Developer to work within the Central Government sector Looking for an experienced Automation developer. Importantly they: Must have SC clearance Must have BluePrism Development experience Ideally have experience in PowerAutomate/APIs development Must be able to delivery independently, reporting to an automation lead but these automations will be theirs to own More ❯