10 of 10 Contract API Design Jobs in the South East

Role Description: Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft … modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services (AWS … or Microsoft Azure. API design and development. Knowledge of RESTful web services, SOAP, & other integration protocols Familiarity with API design & development best practices Strong problem-solving skills & ability to troubleshoot integration issues. Good communication & teamwork skills Strong understanding of Agile development methodologies & experience working in an Agile environment Nice to Have Skills: Experience with cloud platforms More ❯

across teams. Success in this position requires not only technical proficiency but also excellent interpersonal skills to thrive in an environment that values teamwork, knowledge sharing, and mutual support. * Design, code, test, and deliver software enhancements aimed at improving existing systems by adopting DevOps principles across all cloud database offerings.* Troubleshoot complex incidents efficiently, communicate effectively with stakeholders at … is advantageous for scaling operations smoothly.* Knowledge of leveraging APIs securely along with authentication mechanisms and data structures enhances your ability to integrate systems seamlessly.* Understanding microservice architectures, REST API design/development principles, Docker/Kubernetes containerisation technologies, and CI/CD integration is beneficial. Robert Walters Operations Limited is an employment business and employment agency and More ❯

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 … 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, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework … driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database solutions using Oracle/SQL Server Collaborate with cross-functional teams including UX/UI designers and business analysts Participate in code reviews and maintain high More ❯

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 … 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, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework … driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database solutions using Oracle/SQL Server Collaborate with cross-functional teams including UX/UI designers and business analysts Participate in code reviews and maintain high More ❯

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 … 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, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework … driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database solutions using Oracle/SQL Server Collaborate with cross-functional teams including UX/UI designers and business analysts Participate in code reviews and maintain high More ❯

and production-grade digital solutions for the financial services sector. This is a hands-on engineering role ideal for someone with deep expertise in Java, Spring Boot, and secure API design , and who thrives in fast-paced, client-facing environments. The successful candidate will play a key role in shaping backend architecture, driving secure service delivery, and contributing … to engineering standards across engagements. Key Responsibilities Design and develop backend services using Java and Spring Boot Architect and implement secure APIs using OAuth2, FAPI, OpenID Connect Ensure backend services are performant, scalable, and resilient Collaborate with frontend, DevOps, and QA teams to deliver integrated solutions Participate in architecture reviews, technical design sessions, and stakeholder workshops Champion modern … architectures and messaging systems (e.g., Kafka) Exposure to Infrastructure as Code (e.g., Terraform, Ansible) Familiarity with observability tools and performance tuning Ability to mentor junior engineers and lead backend design initiatives Engagement Model Outside IR35 12-month initial contract with potential for extension or permanent employment Hybrid working model: minimum 2 days onsite in London, with flexibility to travel More ❯

Key Responsibilities: Manage, mentor, and motivate a skilled development team across a broad tech stack. Design and develop scalable, secure, and high-quality software in line with architectural standards. Uphold and enhance coding and testing standards through peer reviews and automated/manual testing. Lead initiatives to improve efficiency, reduce technical debt, and modernise systems. Collaborate with Delivery/… improvement. Skills: Relevant degree or equivalent experience. Expert-level proficiency in: .NET Core , C# , Angular , Azure Cloud Terraform , Azure Container Apps , Azure Data Factory , DataVerse SQL Server (T-SQL) , API Design & Development Strong analytical skills with the ability to solve complex technical issues. Proven leadership with excellent stakeholder engagement at all levels. Experience in Agile methodologies. Adaptable and More ❯

Key Responsibilities Lead the design, development, and deployment of scalable full stack applications using React and AWS services. Collaborate with cross-functional teams including Product, Architecture, and Test to deliver high-quality software. Champion best practices in software engineering, including CI/CD, automated testing, and code reviews. Mentor junior engineers and contribute to a culture of continuous improvement. … Participate in sprint planning, technical design sessions, and architectural reviews. Required Skills & Experience Strong proficiency in React. Deep experience with AWS services such as Lambda, API Gateway, DynamoDB, S3, and CloudFormation. Solid understanding of TypeScript, Node.js, and RESTful API design. Familiarity with DevOps practices and tools (e.g., GitHub Actions, Terraform, CloudWatch). Experience working in Agile environments … ceremonies. Ability to challenge existing approaches and drive innovation within the team. Desirable Exposure to AWS AI services (e.g., Lex, Bedrock). Experience with serverless architectures and event-driven design patterns. Familiarity with containerization (Docker, ECS) and observability tooling. Team Fit A proactive mindset with a passion for mentoring and uplifting team performance. Strong communication skills and the ability More ❯

Job Title: Full Stack Engineer Location: Windsor, once per month Remuneration: £800 per day Contract Details: Fixed Term Contract (6 months) Responsibilities: Lead the design, development, and deployment of scalable full stack applications using React and AWS services. Collaborate with cross-functional teams including Product, Architecture, and Test to deliver high-quality software. Champion best practises in software engineering … including CI/CD, automated testing, and code reviews. Mentor junior engineers and contribute to a culture of continuous improvement. Participate in sprint planning, technical design sessions, and architectural reviews. Required Skills & Experience: Strong proficiency in React. Deep experience with AWS services such as Lambda, API Gateway, DynamoDB, S3, and CloudFormation. Solid understanding of TypeScript, Node.js, and RESTful … API design. Familiarity with DevOps practises and tools (e.g., GitHub Actions, Terraform, CloudWatch). Experience working in Agile environments and contributing to sprint ceremonies. Ability to challenge existing approaches and drive innovation within the team. Desirable: Exposure to AWS AI services (e.g., Lex, Bedrock). Experience with serverless architectures and event-driven design patterns. Familiarity with containerisation (Docker More ❯

lead the development of a new wallet-to-bank payment experience for business customers. This role sits at the heart of their B2B payments innovation agenda, combining product strategy, API design, and a highly user-focused interface built into a global platform. Dual Workstreams: API-Led Payments Infrastructure New Wallet-to-Bank Experience Experience needed: 7+ years More ❯