20 of 20 API Development Jobs in the South East

days a week onsite)- £40-50k depending on experience We're looking for a Mid-Level Node.js Developer to join a growing development team working on a technology led QA and automation platform. This is a hands on development role where you'll be building and improving … using Node.js and TypeScript. You'll work closely with other developers and wider technical teams in a collaborative, TDD focused environment, contributing to the development of reliable, scalable software. Skills & Experience Required- 2-3 years of commercial experience developing applications with Node.js Strong knowledge of Typescript Good understanding ...

C#/.NET and modern cloud-native technologies. This role is responsible for designing, building and delivering software solutions end-to-end, owning the development lifecycle from technical specification through implementation, testing, deployment and continuous improvement. As an AI-native engineer, you will use approved AI-assisted development … scalable applications using TypeScript, React, C#/.NET and related technologies. Translate business requirements into clear, structured and testable technical specifications, applying Spec-Driven Development principles. Write secure, maintainable and high-quality code that follows modern engineering standards and best practices. Design and build RESTful APIs, integrations and microservices ...

technical discussions. Collaborate with Product Management, DevOps, Quality Assurance, security specialists and other developers to manage dependencies and support iterative delivery. Apply secure development, data‐handling and responsible AI practices, including appropriate verification of AI‐assisted outputs and use of approved tools and accounts. Share knowledge with colleagues, contribute … practical improvements within the team’s scope. Degree in Computer Science, Software Engineering or a related discipline, or equivalent practical experience. Relevant professional software development experience delivering production code within a collaborative engineering environment. Practical development of web services, microservices or REST APIs using Python or a comparable ...

Senior Full-Stack Software Engineer Web, Mobile & Operational Systems Are you an experienced Senior Full-Stack Software Engineer able to support the development of a secure situational-awareness and operational-management platform. The role will involve developing and integrating backend services, web-based operational dashboards, graphical user interfaces … mobile application services. We are looking for someone with strong experience in: - Backend/API development using Node.js/TypeScript, Python, .NET or similar - Modern web development using React, Next.js or comparable frameworks - GUI and dashboard development - PostgreSQL and database design - AWS, Azure or equivalent cloud ...

week We have a number of openings for Software Engineers to join our growing team! Our Software Engineers are exposed to cutting edge development and the latest cloud technologies. As a full stack developer, you will be using the latest C# .NET Core for API development alongside … improve and evolve, so we welcome new ideas and ways of working. Responsibilities Working closely with architects in all aspects of the design and development of solutions. Working with Product Owners to understand the scope of requirements and acceptance criteria. Following the coding structures and patterns in place within ...

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure ...

outcomes without dependency on external PMs Ensure outputs are production-ready, maintainable, and observable from day one Apply AI and automation tooling to accelerate development, testing, and operations Integrations & API Development Both independently and via 3rd Party Engineering team Integrate third-party services, for example payment processors …/KYB providers, fraud platforms, and banking APIs Build and maintain robust API layers including validation, orchestration, and workflow logic Implement secure, PCI-aware designs aligned with payments industry expectations Data & Infrastructure Design and maintain data pipelines and reporting structures using AWS native tooling Apply high availability and fault ...

maintain software used for scientific research and translational projects, as well as providing consulting and training to other researchers on best practices in software development and reproducible research. This post is part of OxRSE’s embedded RSE group within the Department of Physics. This is an exciting opportunity … machine learning, and large-scale scientific computing. We offer RSEs the potential to advance their career and to make a significant contribution to the development of good software practices at a world-leading university. The successful candidate will, following the initial two year period, have the opportunity to work ...

demanding scientific and industrial applications. This is a hands-on position offering the chance to work across the full product lifecycle, from software development and system integration through to testing, production support and continuous product improvement within a multidisciplinary engineering environment. Key responsibilities for the Senior Software Engineer role … Develop SQL queries, reporting solutions and system integrations to support engineering and business processes. Provide technical leadership and guidance to junior engineers. Manage multiple development projects while ensuring high-quality delivery. Key skills required for the Senior Software Engineer role based in Surrey, onsite: Degree qualified in Software Engineering ...

FinTech business, the role is hybrid - 1 day per week in the office. Key technical requirements; Proven hands-on website, mobile app support and development experience (ideally Angular or Big Commerce) Proven hands-on API development or support experience ETL tools experience Hands-on Azure ADF, logic … function app, storage accounts development or support experience Hands-on Mobile middleware, IIS solution development, or support experience Experience in SSIS packages support, DB clustering set up, DB, SSIS upgrades, DB performance tuning. Experience in setting up monitoring and alerting using any monitoring tools e.g. spotlight, solarwinds etc. ...

maintain software used for scientific research and translational projects, as well as providing consulting and training to other researchers on best practices in software development and reproducible research. This post is part of OxRSE’s embedded RSE group within the Department of Physics. This is an exciting opportunity … network beyond the five currently operating sites. We offer RSEs the potential to advance their career and to make a significant contribution to the development of good software practices at a world-leading university. The successful candidate will, following the initial two year period, have the opportunity to work ...

scalable applications and integrations using JavaScript, TypeScript, and Node.js * Developing cloud-native and serverless solutions, with a focus on Google Cloud Platform (GCP) * Creating API integrations and automated data pipelines * Supporting the development of AI and agent-based solutions using modern frameworks * Collaborating with digital marketing teams across … Skills & Experience * Strong commercial experience with JavaScript, TypeScript, and Node.js * Experience developing and deploying cloud solutions, ideally within GCP * Familiarity with serverless architectures and API development * Experience working with AI tools, LLM applications, or agentic frameworks such as LangChain or CrewAI * Knowledge of front-end technologies such ...

supporting modern digital services. This is a hands-on engineering role where you will work across the full technology stack, contributing to the design, development, testing and ongoing support of web applications and digital services. You will work within a multidisciplinary product team and collaborate with product managers, business … planning, backlog refinement, stand-ups, reviews and retrospectives. Identify and communicate delivery risks and technical issues at an early stage. Use modern AI-assisted development tools to improve coding, testing, debugging and documentation workflows. Work collaboratively with technical and non-technical colleagues to understand requirements and develop practical solutions. ...

week in the office. Key technical requirements; Proven hands-on Angular or Bigcommerce (or similar) website, mobile app support experience Proven hands-on API development or support experience Proven hands-on Azure ADF, logic app, function app, storage accounts development or support experience Proven hands-on Mobile … middleware, IIS solution development, or support experience Proven hands-on experience in SSIS packages support, DB clustering set up, DB, SSIS upgrades, DB performance tuning. Experience in setting up monitoring and alerting using any monitoring tools e.g. spotlight, solarwinds etc. Power BI and MS fabric experience optional Key responsibilities ...

FinTech business, the role is hybrid - 1 day per week in the office. Key technical requirements; Proven hands-on website, mobile app support and development experience (ideally Angular or Big Commerce) Proven hands-on API development or support experience ETL tools experience Hands-on Azure ADF, logic ...

least three days a week. The role includes collaborating on Agile ceremonies, implementing security best practices, and optimizing application performance. Strong experience in Java, API development, and Agile methodologies is essential. #J-18808-Ljbffr ...

focused on building a new platform that sits above its existing search technology stack. The project will involve creating a lightweight abstraction layer and API architecture that simplifies the user experience, whilst providing a foundation for future search platform evolution. This is an opportunity to work on a greenfield … quality solutions. Key responsibilities include: Designing and developing .NET Core services and APIs Building abstraction layers between front-end applications and search technologies Developing API services Working with Azure cloud services Designing and maintaining SQL databases Collaborating with senior stakeholders and engineers to refine requirements Contributing to architecture ...

week in the office. Key technical requirements; Proven hands-on Angular or Bigcommerce (or similar) website, mobile app support experience Proven hands-on API development or support experience Proven hands-on Azure ADF, logic app, function app, storage accounts development or support exp click apply for full ...

Architect to take a leading role in designing robust, scalable, and innovative technology solutions for our clients. You will work closely with stakeholders and development teams to ensure the alignment of technology with business goals, while championing best practices in architectural design and delivery. Key Responsibilities Collaborate with development … lead and influence technical discussions. Proven experience as a Technical Architect or similar role. In‐depth knowledge of system design, software architecture, and development methodologies. Experience with cloud platforms (e.g., AWS, Azure, Google Cloud). Expertise in architectural design, data pipelines, cloud platforms, and API development. Knowledge ...

Design, build and maintain production-grade Python services, libraries and developer tools. Apply modern Python practices, including packaging, type hints, asynchronous programming and maintainable API design. Create shared libraries, service templates and engineering standards that enable multiple internal teams to build consistently and efficiently. Build and evolve AI-enabled …/CD pipelines and cloud-native delivery practices using Docker, Kubernetes and Terraform. Establish strong testing, code quality, documentation-as-code and secure software development practices. Improve application performance, scalability and reliability through profiling, benchmarking, observability and architectural improvements. Implement monitoring, alerting and operational standards for platform services. Conduct ...