16 of 16 Contract RESTful Jobs in London

a culture of accountability and shared technical ownership. Core skills include: 5+ years’ experience developing front-end applications with React and TypeScript. Proficiency in state management. Strong understanding of RESTful API integration, authentication, and security practices. Experience with CI/CD pipelines (Azure DevOps or similar) and automated testing (Jest, Cypress). Solid grounding in UX principles, responsive design, and More ❯

combines strong Vue.js front-end skills with Java-based API and microservices development. Role Responsibilities: Develop front-end features using Vue.js for NHS/healthcare applications Build and maintain RESTful APIs and microservices (Java, Spring Boot) Integrate with NHS systems or medical applications Deliver secure, scalable solutions aligned with NHS standards Work with cloud, CI/CD pipelines, Docker, and More ❯

Any knowledge of MongoDB or working with large datasets would be useful but is not essential Knowledge of the use of version control systems, such as git Experience implementing RESTful APIs for integration with internal and external systems *Applicants must have the right to work in the UK and the ability to pass BPSS vetting More ❯

applications Knowledge of authentication, secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as Promptfoo SQL and NoSQL experience: MySQL, PostgreSQL, MongoDB, Cassandra Exposure to RAG patterns and vector search technologies More ❯

Security teams. Knowledge and Skills: Demonstrated expertise as a Mid or Senior Software Engineer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness to engage with emerging technologies and More ❯

Security teams. Knowledge and Skills: Demonstrated expertise as a Mid or Senior Software Engineer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness to engage with emerging technologies and More ❯

or Vitest. Skilled in Git, GitLab workflows, and managing merge requests. Experienced with NPM Workspaces, pre-commit hooks, and build/package/test processes. Solid understanding of consuming RESTful APIs and authentication protocols (JWT, OAuth). Expertise in React component development and tools like Storybook; familiarity with A11y, Azure, and DevOps is a plus. Excellent communication and stakeholder management More ❯

or Vitest. Skilled in Git, GitLab workflows, and managing merge requests. Experienced with NPM Workspaces, pre-commit hooks, and build/package/test processes. Solid understanding of consuming RESTful APIs and authentication protocols (JWT, OAuth). Expertise in React component development and tools like Storybook; familiarity with A11y, Azure, and DevOps is a plus. Excellent communication and stakeholder management More ❯

continuous improvement plans throughout the product lifecycle, particularly during team retrospectives Knowledge, Skill and Experience * Proven experience of Java, Spring and Hibernate * Proven experience of Angular, Javascript, HTML5, CSS, RESTful services * Proven experience of Oracle database * Proven experience of testing framework using Junit 5 * Experience in cross-platform applications highly desirable * Knowledge of optimising stored procedures, query performance and Excel More ❯

automation tools (e.g., Zapier, n8n, Make) and dashboarding platforms (e.g., Power BI, Tableau). Hands-on experience in chatbot development and conversational UI design is a plus. Familiarity with RESTful APIs and SDKs for integrating LLMs into enterprise platforms. Knowledge of cloud platforms (Azure, AWS, GCP) and containerization tools (Docker, Kubernetes) is beneficial. Ability to translate business requirements into prompt More ❯

per day Very Strong React.JS Strong knowledge of Software Design Patterns Strong understanding and experience of Database technologies in particular Mongo DB? Strong understanding and experience of APIs, RESTful services and Microservice Architectures Good understanding of CI/CD and Gitlab Pipelines An understanding of AWS Infrastructure and Terraform More ❯

You will play a key role in designing scalable, secure, high-performance services that power mission-critical applications within the healthcare technology landscape. Key Responsibilities * Design, develop, and maintain RESTful APIs and microservices using Java and Spring Boot . * Implement scalable, secure, and highly available solutions for enterprise and healthcare applications. * Integrate backend services with NHS Digital systems , including FHIR … requirements. Required Skills & Experience * 5+ years of professional Java development experience (Java 11+). * Strong expertise with Spring Boot , Spring Cloud, and distributed microservices. * Proven experience designing and building RESTful APIs. * Experience working with NHS Digital services , healthcare APIs, or standards such as FHIR, HL7, OpenAPI, or integration with NHS Spine (highly desirable). * Hands-on experience with Docker , Kubernetes More ❯

You will play a key role in designing scalable, secure, high-performance services that power mission-critical applications within the healthcare technology landscape. Key Responsibilities * Design, develop, and maintain RESTful APIs and microservices using Vue JS and Spring Boot . * Implement scalable, secure, and highly available solutions for enterprise and healthcare applications. * Integrate backend services with NHS Digital systems , including … Information Governance requirements. Required Skills & Experience 5+ years of professional Vuen JS development experience Strong expertise with Spring Boot , Spring Cloud, and distributed microservices. Proven experience designing and building RESTful APIs. Experience working with NHS Digital services , healthcare APIs, or standards such as FHIR, HL7, OpenAPI, or integration with NHS Spine (highly desirable). Hands-on experience with Docker , Kubernetes More ❯

role focuses on delivering high-quality automated testing across web, API, and data validation for investment and wealth management platforms.You will execute automation scripts, validate complex data flows, test RESTful APIs, and ensure releases meet reliability and performance standards. Role & Responsibilities Develop, maintain, and execute automation frameworks for web, API, and data validation testing within wealth management and trading systems … Perform functional, regression, performance, and integration testing for complex financial applications Test RESTful APIs using tools such as Postman or RestAssured Validate data and perform back-end testing using SQL Integrate automated tests within CI/CD pipelines using Azure DevOps, Jenkins, or equivalent tools Collaborate with developers, product owners, and business analysts to troubleshoot issues and ensure high-quality … Experience 7+ years’ experience in QA engineering within financial services or other complex enterprise environments Strong Python scripting skills for automation Experience with Avaloq (desirable) Hands-on experience testing RESTful APIs and performing data validation Familiarity with CI/CD pipelines, version control (Git), and Agile methodologies Strong SQL skills and experience with back-end testing Excellent analytical and problem More ❯

collaborate closely with engineering teams and business stakeholders to design and build backend services, APIs, and cloud hosted systems. You will work with technologies such as C#, ASP.NET Core, RESTful APIs, SQL Server, and AWS services. You will also support deployments, performance tuning, and the improvement of backend architecture and development processes. The ideal candidate will have strong commercial experience … in backend focused .NET development with solid skills in C#, ASP.NET, SQL Server, and AWS cloud environments. Experience working with RESTful APIs, HTML, CSS, JavaScript for integration, and a desire to keep up with modern backend technologies is essential. This is an exciting role that provides the opportunity to join a company at the beginning of its next phase of … processes, and codebase standards The Person: * Experienced .NET Backend Developer with strong C#, ASP.NET, and SQL Server skills * Commercial experience with backend focused development * Proficient in designing and consuming RESTful APIs * Knowledge of HTML, CSS, and JavaScript for integration and debugging * Experience working with AWS services * Strong problem solving skills with good attention to detail and communication abilities More ❯

collaborate closely with engineering teams and business stakeholders to design and build backend services, APIs, and cloud hosted systems. You will work with technologies such as C#, ASP.NET Core, RESTful APIs, SQL Server, and AWS services. You will also support deployments, performance tuning, and the improvement of backend architecture and development processes.The ideal candidate will have strong commercial experience in … backend focused .NET development with solid skills in C#, ASP.NET, SQL Server, and AWS cloud environments. Experience working with RESTful APIs, HTML, CSS, JavaScript for integration, and a desire to keep up with modern backend technologies is essential.This is an exciting role that provides the opportunity to join a company at the beginning of its next phase of expansion, offering … processes, and codebase standards The Person: * Experienced .NET Backend Developer with strong C#, ASP.NET, and SQL Server skills* Commercial experience with backend focused development* Proficient in designing and consuming RESTful APIs* Knowledge of HTML, CSS, and JavaScript for integration and debugging* Experience working with AWS services* Strong problem solving skills with good attention to detail and communication abilities More ❯