21 of 21 Remote API Development Jobs in the South East

Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines is required for a well-established company based in Bedford, Bedfordshire. TWO JOBS AVAILABLE WOULD YOU LIKE TO HELP SHAPE THE FUTURE OF THE COMPANYS TECHNOLOGY? If you can design … Will Apply JOB TYPE: Full-Time, Permanent JOB OVERVIEW We have a fantastic new job opportunity for a Senior Software Engineer/Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. Working as a Senior Software Engineer/Software Developer youll design and … ensuring technical concepts are understood by all stakeholders CANDIDATE REQUIREMENTS Proven experience with Azure cloud services (App Services, Functions, SQL Database), identity & access, and infrastructure as code Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines Solid understanding of secure coding practices and compliance in SaaS environments More ❯

extension or permanent opportunities Location : Farnborough (2 days onsite) + 3 days remote Industry : Automotive Technology Solutions Client : Major automotive industry leader via global consultancy partnership Technical Requirements Backend Development C# .NET Framework/Core - Extensive experience developing robust, scalable backend services RESTful API Development - Design and implementation of web APIs Microservices Architecture - Understanding of distributed systems … and service-oriented architecture Frontend Development Blazor - Proficiency in Blazor Server and/or Blazor WebAssembly React.js - Strong experience including hooks, state management, and modern development practices JavaScript/TypeScript - Advanced knowledge of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development … SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework - ORM experience for data access layer implementation Essential Requirements 5+ years full stack development experience Software Development Lifecycle - Strong understanding of SDLC and Agile methodologies Version Control - Git experience CI/CD & DevOps - Knowledge of continuous integration pipelines Security Best Practices - Web More ❯

extension or permanent opportunities Location : Farnborough (2 days onsite) + 3 days remote Industry : Automotive Technology Solutions Client : Major automotive industry leader via global consultancy partnership Technical Requirements Backend Development C# .NET Framework/Core - Extensive experience developing robust, scalable backend services RESTful API Development - Design and implementation of web APIs Microservices Architecture - Understanding of distributed systems … and service-oriented architecture Frontend Development Blazor - Proficiency in Blazor Server and/or Blazor WebAssembly React.js - Strong experience including hooks, state management, and modern development practices JavaScript/TypeScript - Advanced knowledge of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development … SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework - ORM experience for data access layer implementation Essential Requirements 5+ years full stack development experience Software Development Lifecycle - Strong understanding of SDLC and Agile methodologies Version Control - Git experience CI/CD & DevOps - Knowledge of continuous integration pipelines Security Best Practices - Web More ❯

extension or permanent opportunities Location : Farnborough (2 days onsite) + 3 days remote Industry : Automotive Technology Solutions Client : Major automotive industry leader via global consultancy partnership Technical Requirements Backend Development C# .NET Framework/Core - Extensive experience developing robust, scalable backend services RESTful API Development - Design and implementation of web APIs Microservices Architecture - Understanding of distributed systems … and service-oriented architecture Frontend Development Blazor - Proficiency in Blazor Server and/or Blazor WebAssembly React.js - Strong experience including hooks, state management, and modern development practices JavaScript/TypeScript - Advanced knowledge of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development … SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework - ORM experience for data access layer implementation Essential Requirements 5+ years full stack development experience Software Development Lifecycle - Strong understanding of SDLC and Agile methodologies Version Control - Git experience CI/CD & DevOps - Knowledge of continuous integration pipelines Security Best Practices - Web More ❯

Scrum ) and thrive in a fast-paced, dynamic setting. They should have a keen interest in emerging technologies , staying ahead of industry trends, and be committed to continuous skill development . A professional and approachable demeanor is key, as is the ability to champion the adoption of innovative technologies within the team. Experience Good knowledge of Microsoft development technologies Visual Studio 2022 onwards Strong C#/.NET experience Net/.Net Core Web API development experience API documentation generation tools Experience using IoC containers SQL Server experience Experience using Entity Framework OOAD skills and good understanding of Design Patterns and Practices Web services (SOAP and/or WCF) Unit testing/Test Driven Development Distributed WinForms systems development Desirable Familiarity with DevOps tools for managing work items and source control, with TFS experience being a plus. Alternatively, experience working in a source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning More ❯

seasoned AI expert ready to take your skills to the next level? Do words like Azure OpenAI, Cognitive Services, prompt engineering, Retrieval-Augmented Generation (RAG) architectures, vector stores, and API integrations make you light up inside? If so, we want to hear from you! At 1st Central , we're on an exciting journey with AI and Generative AI - and … s about bringing smart ideas to life and making a real impact. You'll be at the heart of our AI strategy - from initial concept and prompt design, through development and testing, to deployment, production, monitoring and continuous improvement optimising cutting-edge AI solutions across the business. One day you might be collaborating with our Data Scientists, Software Engineers … or save time-and you know how to turn those ideas into working solutions. What's involved: Lead the design and implementation of AI engineering frameworks and standards, emphasising API integrations, Azure infrastructure, and Azure security & networking. Architect and develop AI and Generative AI solutions using services like Azure OpenAI and Azure Cognitive Services Implement prompt engineering techniques and More ❯

chance to build technology that truly makes an impact.Your role will involve: Expanding and maintaining a serverless payment processing platform built with TypeScript, Node.js, and AWS services like Lambda, API Gateway, and DynamoDB. Ensuring continued PCI DSS compliance across the full development lifecycle, including patching, error tracing, and applying secure coding practices. Designing secure, well-documented service interfaces … and abstractions over external APIs used by our clients. Participating in Agile ceremonies, collaborating closely with engineering, infrastructure, and external service providers. Practising Test-Driven Development (TDD) and Behaviour-Driven Development (BDD) to maintain a high standard of code quality, resilience, and performance. We are looking for candidates who have: Strong hands-on experience with TypeScript and Node.js … for backend development. Deep understanding of AWS serverless technologies. Working knowledge of Infrastructure-as-Code tools. Strong background in RESTful API development, secure authentication mechanisms, and API integration best practices. Experience working in regulated environments such as PCI DSS, or within other compliance-heavy systems. Familiarity with frontend frameworks like React is a bonus. If you're More ❯

Developer 6 months contract Day Rate: £365/day (Inside IR35) Location: Farnborough, UK (Hybrid 2 days on-site/week) About the Role: Youll be contributing to the development and enhancement of business-critical financial applications, building RESTful APIs and front-end components within a microservices-based architecture. The role offers the chance to work closely with analysts … operation of applications. Follow industry best practices and internal compliance standards. Required Skills & Experience: 8+ years of hands-on experience with .NET, C#, and Angular Strong experience with RESTful API development in microservice environments Solid understanding of .NET Core and event-driven architecture Experience working in Agile environments with cross-functional teams Familiarity with tools like JIRA, Confluence More ❯

equivalent higher education) in Information Technology, Data Engineering, or a related field; Proven experience working with enterprise accounting software and/or private equity/investment management software integrations. API Integration experience with MuleSoft and/or API Development experience. Experience in system configuration, customization, and integration of financial applications. Investran or similar platform certifications beneficial. Good … working knowledge of Accounting Platform database structures and data models. Proficiency in SQL and data query languages to extract and manipulate data. Experience beneficial in Object Oriented language development, including integrations with SOAP and REST based APIs. Familiarity with reporting and analytics tools, Qlik, Microsoft Excel, Power BI, Synapse, Snowflake or similar. Self-motivated, proactive, with a strong sense More ❯

Node.js, and TypeScript Lead the migration of existing systems from Node.js to Java to align with our strategic infrastructure goals Work with Docker and Kubernetes for containerization and streamlined development Build and manage CI/CD pipelines with GitHub Actions Monitor and maintain system performance, uptime, and deployments Write thorough unit and integration tests to ensure robust, reliable code … Collaborate with cross-functional teams to deliver innovative new features What We're Looking For: Extensive professional experience in backend development with Java and Node.js/TypeScript Solid knowledge of containerization tools (Docker, Kubernetes) Experience managing CI/CD pipelines with GitHub and GitHub Actions Strong understanding of SQL database management Computer Science or related degree Bonus Points For … Experience with Snowflake cloud data warehousing API development using GraphQL Soft Skills: Team player who thrives in a collaborative environment Strong problem-solving skills and ability to meet tight deadlines Effective communicator and adaptable to new tech Why Join Us? Work in London's financial hub with a leading institution committed to innovation and quality. Enjoy a hybrid More ❯

and beyond. The Tech division are looking for a talented and enthusiastic Junior Developer to learn from and work closely with the CTO. The role will be full stack development working mainly on web applications. Working in a process-led environment, you will support ongoing web and mobile development projects with a primary focus on Laravel stack and … React Native mobile applications. You will collaborate with the CTO to build and maintain structured, scalable systems following the existing architecture and processes. Conduct front end UI development, debugging and snagging and perform basic penetration testing. Occasionally join client calls to gather requirements, communicating effectively and professionally. This is a fantastic opportunity to start your development career, develop … Or experience of working with or knowledge of the PHP framework (object orientated programming) Amazon Web Services Any knowledge or experience of SES and SMS Knowledge/experience of API development Experience or knowledge or React is desirable PHP unit testing Strong problem solver with a high attention to detail Outstanding communication skills verbally and written Enjoys working More ❯

and beyond. The Tech division are looking for a talented and enthusiastic Junior Developer to learn from and work closely with the CTO. The role will be full stack development working mainly on web applications. Working in a process-led environment, you will support ongoing web and mobile development projects with a primary focus on Laravel stack and … React Native mobile applications. You will collaborate with the CTO to build and maintain structured, scalable systems following the existing architecture and processes. Conduct front end UI development, debugging and snagging and perform basic penetration testing. Occasionally join client calls to gather requirements, communicating effectively and professionally. This is a fantastic opportunity to start your development career, develop … Or experience of working with or knowledge of the PHP framework (object orientated programming) Amazon Web Services Any knowledge or experience of SES and SMS Knowledge/experience of API development Experience or knowledge or React is desirable PHP unit testing Strong problem solver with a high attention to detail Outstanding communication skills verbally and written Enjoys working More ❯

Developer is responsible for building new functionality and supporting existing functionality across Focus Group's portfolio of internal applications and services. This role involves working closely with the internal development team to develop set deliverables that are fit for purpose. Principal Responsibilities/Duties Develop change requests and fixes on Focus Bespoke CMS and CRM applications. Write unit tests … and collaborate with the QA Analyst to ensure new developments meet acceptance criteria. Participate in support desk activities on a rota basis for development-related issues. Contribute to projects as required by the business. Engage actively in standups, team meetings, and planning sessions. Essential Skills Strong ability in writing unit tests. Understanding of Javascript, JQuery, Vue.js. Experience using SQL … preferably MariaDB/MySQL). Proficiency in HTML5/CSS/Bootstrap and Laravel. Knowledge of API Development/PostMan. Experience with Git version control and branching. Ability to build meaningful relationships with colleagues. Proven experience in a similar role. Customer-focused with a desire to understand and meet customer requirements. Experience in the software development lifecycle. More ❯

Golang Developer/Backend Software Engineer (Go Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Golang Developer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … ll join colleagues in the London, Canary Wharf offices four days a week. About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … a competitive package: Salary to £110k Impactful role with excellent career growth opportunities Apply now to find out more about this Golang Developer/Backend Software Engineer (Go Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯

architecture Programming proficiency in Python with AI/ML frameworks RAG systems and vector database experience Previous experience in educational technology, AI/ML applications, or digital learning product development (desirable) Proven experience in database design, API development, and data pipeline management Cross-cultural competency in diverse educational contexts Deep ELT methodology knowledge and curriculum development More ❯

back-end systems. Support the IT team in resolving platform-related incidents and liaise with third-party providers when necessary. Stay up to date with best practices in .NET development, cloud computing, and modern software architecture. Contribute to system documentation, including design specifications and unit testing. Operational Excellence Demonstrate professionalism in all interactions with stakeholders and third parties. Provide … both technical and non-technical team members. Essential Knowledge, Skills & Experience Skills Strong expertise in C# and .NET Core/.NET 6+ development. Solid experience with RESTful and GraphQL API development. Understanding of database management (SQL Server, Entity Framework, or other ORM tools). Experience with Azure cloud services, including hosting, serverless functions, and application insights. Familiarity with DevOps More ❯

back-end systems. Support the IT team in resolving platform-related incidents and liaise with third-party providers when necessary. Stay up to date with best practices in .NET development, cloud computing, and modern software architecture. Contribute to system documentation, including design specifications and unit testing. Operational Excellence Demonstrate professionalism in all interactions with stakeholders and third parties. Provide … both technical and non-technical team members. Essential Knowledge, Skills & Experience Skills Strong expertise in C# and .NET Core/.NET 6+ development. Solid experience with RESTful and GraphQL API development. Understanding of database management (SQL Server, Entity Framework, or other ORM tools). Experience with Azure cloud services, including hosting, serverless functions, and application insights. Familiarity with DevOps More ❯

Backend Software Engineer/Developer (Golang Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … days a week (also the possibility to be remote in the UK). About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … to £110k Hybrid working (x3 days office) Impactful role with excellent career growth opportunities Apply now to find out more about this Backend Software Engineer/Developer (Golang Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯

intelligence, document processing, and risk management. Key Responsibilities: Architect & Implement: Design and deploy secure AI services from lab to production, ensuring they are scalable and compliant with industry standards. API Development: Create robust APIs for large language models (LLMs), retrieval-augmented generation (RAG) pipelines, agentic workflows, and document intelligence systems. Cybersecurity & Privacy: Integrate cybersecurity and data privacy controls More ❯

Axway API Developer (SC Cleared) 6 months contract Inside IR35 £500 to £650 a day Remote Working (UK based) *Active SC Clearance is needed* 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 … 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 … and deployments. 6 months contract Inside IR35 - Remote Working - £500 to £650 a day *Active SC Clearance is needed* 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 ❯

Skills in prompt engineering and RAG (retrieval-augmented generation). Solid background in Python, Java, and database technologies (SQL/NoSQL). Experience in crawling/web scraping and API development. Experience with on-premise AI development (local LLMs, model deployment, open-source frameworks). Desirable: Strong knowledge of data structures, algorithms, and solution architecture. Broad understanding of More ❯