14 of 14 API Development Jobs in the North of England

lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment. This role is ideal for developers with strong technical expertise who are looking … portals using ASP.NET MVC/.NET Core Design and integrate REST APIs with internal and third-party services Implement secure authentication mechanisms (JWT, OAuth2, API Keys) Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database ...

looking for an experienced Mid-Level Full Stack Developer to join our engineering team and play a significant role in the design, development, and delivery of our products. This role is ideal for someone at the upper end of mid-level, with strong commercial experience across both frontend … backend development who is ready to take real ownership of their work. You will deliver features end to end with minimal supervision, contribute to technical and design decisions, and help raise standards across the team. The role combines hands-on development with a growing influence ...

engineering practices, integrate AI models and agent patterns, and contribute to the evolution of our cloud-native services. You will already have strong software development experience and have a desire to grow deeper into engineering, while maintaining strong software craftsmanship and delivery discipline. As we move toward … ecosystem. You will help implement AI capabilities, support cloud-native services, and strengthen the squad’s engineering excellence as we scale. Key Responsibilities Software Development & Delivery: Design, build, test, and maintain high-quality software components and services across backend, frontend, or full-stack environments. Utilise AI Accelerated development ...

technical strategy Work within a senior, AI-first engineering environment KEY POINTS Senior technical leadership role with significant architectural ownership Leading the design and development of a modern platform rebuild Strong focus on Node.js, TypeScript, React and cloud technologies Opportunity to shape engineering standards, architecture and AI adoption ABOUT … technologies and cloud infrastructure. Working closely with Product teams, stakeholders and fellow engineers, you'll help establish engineering standards, drive adoption of AI-assisted development practices and provide technical mentorship across the team. The organisation has embraced an AI-first approach to software engineering, making extensive use of modern ...

designing and developing high-quality software while collaborating closely with product, design, and engineering teams. The successful candidate will have strong full-stack development experience and ideally a background working with communication platforms such as Twilio. This role is based in Central Manchester 4 days a week … Developer role. Strong proficiency in JavaScript/TypeScript, Node.js, and React. Experience building and maintaining real-time, event-driven applications. Solid understanding of RESTful API development and microservices architecture. Hands-on experience with AWS serverless technologies, including Lambda, DynamoDB, and API Gateway. Experience working with CI/ ...

supporting a major NHS digital transformation programme and are looking for three experienced Full Stack .NET Developers. You'll be working on the development and enhancement of critical healthcare applications, helping deliver scalable, secure, cloud-native solutions that directly support NHS services and patient outcomes. This is an excellent …/CD pipelines and modern DevOps practices Essential Skills & Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience CI/CD pipelines Infrastructure and deployment ...

JavaScript The Role As a motivated Junior Software Developer, you'll join a collaborative engineering team working on core business platforms and new product development initiatives. You'll gain exposure to the full software development lifecycle, working alongside experienced developers to build, maintain, and improve scalable applications. Requirements … Computer Science degree or equivalent commercial experience Exposure to software development through university projects, commercial work, or personal projects PHP and MVC framework experience (Laravel preferred) HTML, CSS, JavaScript, and SQL Object-Oriented Programming (OOP) Git/Version Control Ability to write clean, maintainable, and organised code Strong communication ...

promptly Experience with Copilot, Copilot Studio, and Agents Strong knowledge of Exchange Online Strong understanding of the Microsoft 365 tenant platform Experience with Graph API and API development Experience with Entra backup solutions, including Rubrik Ability to identify risk mitigation opportunities and develop new policies and procedures ...

API Developer (Golang/Python) - Financial Services Inside IR35 Sheffield (1-2 days/month onsite) A leading financial services organisation is seeking an experienced API Developer to join their team on a contract basis. This is a great opportunity to work on modern, scalable systems within … decisions and best practices Support performance optimisation and scalability initiatives Required Skills & Experience Strong experience with Golang (preferred) or Python Proven track record in API development (design, build, integration) Understanding of modern software engineering practices Nice to Have Experience with React or Node.js Working knowledge of Python ...

seeking Software Engineers and Senior Software Engineers to support the delivery of secure, scalable, and resilient digital services. You will contribute to the design, development, testing, and deployment of software solutions while collaborating with multidisciplinary teams in an agile environment. Senior Software Engineers will also provide technical leadership, guide … technical discussions. Implement robust, scalable, and maintainable code. Collaborate with product managers, architects, and engineers. Support testing, deployment, and operational activities. Follow secure software development and DevOps practices. Contribute to continuous improvement initiatives. Additional Responsibilities for Senior Software Engineers Lead technical design and architecture discussions. Establish engineering standards ...

platforms which are fundamental to delivering strategic business goals. What you will do Reporting to the Lead Engineer (Integration), this role supports the design, development, and maintenance of custom integrations that connect A&O Shearman’s key legal systems, and which support the ingestion, time recording, and document storage … continuous improvement of QA processes and tools. Support the Enterprise Architecture & Technology Platforms leadership team to collectively define, implement and operate the firm’s development of software solutions and tooling. Work with stakeholders from Enterprise Architecture, Data Governance and Information Security to ensure solutions are performant, compliant and secure. ...

Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI ...

Dataverse • Supporting Power BI reporting and dashboards • Investigating and resolving technical issues • Supporting CRM-related functionality and integrations Required Skills: • .NET/.NET Core development experience • Power Platform experience or strong interest • SQL Server/T-SQL • API development • Umbraco CMS or similar platforms • Git version control ...

scalable products and mentoring high‐performing engineering teams. Own end‐to‐end technical design and delivery across React, TypeScript, Vite, and Golang platforms. Define API standards, service architecture, and application design patterns. Lead engineering design reviews, code reviews, and technical decision‐making. Establish development standards, testing frameworks … risk management across delivery programmes. Minimum 5 years’ full‐stack engineering experience. Strong expertise in TypeScript, React, and modern front‐end development. Strong Golang development experience including microservices and API development. Experience designing cloud‐native SaaS platforms within AWS, Azure, or GCP environments. Must have knowledge of Open ...