19 of 19 Permanent API Development Jobs in the South East

experienced Software Architect/Senior Developer with strong expertise in Microsoft Dynamics 365 and related technologies. The role involves leading the application development function while maintaining hands-on technical capability across the Dynamics 365 ecosystem and integrated enterprise systems. This position blends technical leadership, architectural ownership and delivery oversight … with a strong focus on system design, integration strategy and scalable solution development. Key Responsibilities Development Leadership & Delivery* Lead, mentor and support the development team.* Own and maintain the application development roadmap.* Ensure high-quality and timely delivery of development projects.* Establish coding standards, governance ...

looking for a Senior Software Engineer with proficiency in C# programming to lead the development of the IoT device software and cloud platform software for our connected energy storage systems. The successful candidate will be responsible for the development and maintenance of communications and cloud backend … work collaboratively to solve problems The Role We are looking for a Senior Software Engineer with proficiency in C# programming to lead the development of the IoT device software and cloud platform software for our connected energy storage systems. The successful candidate will be responsible for the development ...

design build deploy) Contributing to architecture and best practices Collaborating closely with product and engineering teams What they’re looking for: 5+ years’ software development experience Strong Next.js/React/TypeScript background Experience building scalable web applications Solid understanding of SSR, SSG & frontend performance API development ...

deployment, ensuring we meet the evolving needs of our customers with innovative, reliable software. Required Skills: Strong experience in C# and .Net Core development Proficiency with Web API design and development Solid understanding of REST principles and SOLID design patterns Hands-on experience with Docker, Kubernetes …/SCRUM methodologies, CI/CD, and DevOps practices Good communication skills and a collaborative team mindset Nice to Have Skills: Experience with Web API integrations and microservices architecture Knowledge of Kubernetes and container orchestration AWS or Azure certifications or experience Familiarity with WebSocket or real-time data streaming ...

role focuses on developing reliable, high-performance backend services and supporting the infrastructure they run on. You’ll work primarily with Python, contributing to API development, system design, and automation, while ensuring everything is robust, maintainable, and production-ready. You’ll be part of a collaborative, remote-first … engineering team, working across the full lifecycle of backend development—from design through to deployment and ongoing improvement. What You’ll Do Build & Scale Backend Services Develop and maintain backend services using Python (FastAPI or similar frameworks) Design systems that are scalable, efficient, and reliable Turn product and technical ...

Azure CLI used regularly for automation, operational tasks, and reducing manual intervention. Azure Integration Services: proficient in Logic Apps, Service Bus, Event Grid, and API Management for integration design and implementation. API Development: solid experience with SOAP and REST APIs, including design, development, and secure management. … Summer event and 4 sponsored weekends a year. If you’re an Azure Cloud Engineer looking for a career defining opportunity with progression and development, then please drop Lee at MARS an application. MARS Recruitment is an equal opportunities employer and positively welcomes applications from suitably qualified applicants regardless ...

Azure CLI used regularly for automation, operational tasks, and reducing manual intervention. Azure Integration Services: proficient in Logic Apps, Service Bus, Event Grid, and API Management for integration design and implementation. API Development: solid experience with SOAP and REST APIs, including design, development, and secure management. … Summer event and 4 sponsored weekends a year. If you’re an Azure Cloud Engineer looking for a career defining opportunity with progression and development, then please drop Lee at MARS an application. MARS Recruitment is an equal opportunities employer and positively welcomes applications from suitably qualified applicants regardless ...

Full-Stack Software Engineer (React & ASP.NET/C#) We're looking for a Full-Stack Software Engineer to join a growing development team building modern, business-critical web applications. This role suits someone who enjoys working across the full stack and takes pride in owning features from initial concept … through to deployment. You'll be involved in both front-end and back-end development, working closely with other engineers, product owners, and stakeholders to deliver clean, scalable, and user-focused solutions. What you'll be doing Designing and building front-end web applications using React Developing and maintaining ...

What You'll Work On You'll be developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful APIs Proficiency ...

Work on a mix of greenfield development and the modernisation of existing business-critical applications , making a real impact while expanding your technical skillset. An exciting opportunity has opened for a Full Stack Developer to join a growing and forward-thinking organisation in Hampshire. Following new leadership within … systems and digital capabilities. Full Stack Developer Hampshire | Hybrid Working | £45,000 – £50,000 You’ll be working as part of a collaborative development team , helping to design, build, and maintain modern applications and APIs that support both internal teams and customer-facing services. What You'll Be Doing ...

Work on a mix of greenfield development and the modernisation of existing business-critical applications , making a real impact while expanding your technical skill set. An exciting opportunity has opened for a Full Stack Developer to join a growing and forward-thinking organisation in Hampshire. Following new leadership within … systems and digital capabilities. Full Stack Developer Hampshire | Hybrid Working | £45,000 - £55,000 You'll be working as part of a collaborative development team , helping to design, build, and maintain modern applications and APIs that support both internal teams and customer-facing services. What You'll Be Doing ...

excellent opportunity to join this innovative and fast-growing AI tech. organisation! Skills/experience 2+ years solid commercial Python coding experience (backend, API development would be great). Good understanding of Docker, and scalable distributed systems . An Agile mindset and Experience working in agile teams, using ...

React frontend Improving performance, reliability, and security Helping modernise systems with AWS & CI/CD What You'll Bring 3+ years' experience in backend development Strong PHP & Laravel skills Solid PostgreSQL and API development experience A passion for clean code and building things properly Nice to Have ...

/.NET ✅ SQL expertise: Solid Microsoft SQL and SQL Management Studio experience; stored procedures required (not just Entity Framework) 5 ✅ Solid understanding of RESTful API development ✅ Familiarity with cloud platforms — Azure preferred ✅ Comfortable working on both greenfield builds and legacy modernisation ✅ Proactive, curious mindset with strong collaboration skills ...

high-quality, structured information in near real time. You will join a highly capable engineering function focused on delivering scalable backend services, working across API development and Kotlin-based microservices that power content ingestion, indexing and distribution workflows. The environment is data intensive, with a strong emphasis … years commercial experience with Kotlin, or strong Java (8/11) with a desire to transition • 7+ years working across JVM-based backend development • Strong experience with Spring Boot and building RESTful or GraphQL services • Solid understanding of relational databases such as PostgreSQL or MySQL • Experience working within ...

technology company in Oxford is seeking a Senior Software Engineer to lead the development of IoT device and cloud platform software. The role involves developing and maintaining C# codebases, API development, and collaboration with technical teams. Ideal candidates will have 8 years of C# experience, familiarity with ...

pivotal point in their growth, having an influence over the technical strategy whilst remaining hands. Experience required: Strong background in modern .NET/C# development & architecture. A track record of leading and mentoring teams of engineers. Cloud experience across Azure & AWS. Experience with Angular framework, REST APIs … API development. Experience with testing frameworks and quality engineering practices (unit & integration testing and test driven development). SpecFlow for Behaviour-Driven Development and Postman for API testing. Experience building and maintaining CI/CD pipelines. Knowledge of Docker and containerised applications. Hands on experience with ...

Multi-Tenant Architecture within a B2B environment. Technical Requirements C#/.NET/.Net Core 8 Angular Or Razor pages/Blazor AWS - essential API Development Entity Framework Additional & Beneficial Skills: Mentoring or leadership experience Experience working with off-shore teams Experience within Engineering/Automotive sectors Please ...

aligned with business goals. What They Are Looking For Degree in Computer Science, Information Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience … with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage multiple projects. Excellent communication and collaboration skills. Why Apply? This is a fantastic opportunity to join a prestigious global organization that values innovation and offers a collaborative, forward-thinking environment. You'll work ...