1 to 25 of 49 Contract RESTful Jobs in England

Senior Software Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Postman, Selenium, JMeter, etc. Experience with Kubernetes and cloud infrastructure (GCP/AWS/Azure). Knowledge and experience of event-driven microservice architectures, RESTful APIs, message queues, and familiarity with RabbitMQ and Kafka. Previous responsibility for design and architecture of complex web systems, and experience and willingness to coach ...

Lead Java Developer

Hiring Organisation
Response Informatics
Location
Croydon, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day
systems and diagnosing incidents. Experience in large-scale integration projects involving microservices, messaging, web services, and distributed systems. Experience with web services (SOAP and RESTful). Experience with containerization (Docker). Experience with testing frameworks like JUnit, Mockito,Powermock,JMock, DBUnit,TestContainers. Experience connecting processes across several systems with message ...

Java Developer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
450-500/day (Outside IR35)
including: microservices, web services, messaging + distributed systems. Connecting processes across multiple systems using message brokers like ActiveMQ. Robust experience of Web Services, SOAP, RESTful), Containerization (Docker), and testing frameworks (Mockito, JUnit, Powermock, DBUnit, JMock, TestContainers). Supporting live systems + diagnose/resolving incidents. Continuous Integration methodologies such ...

Full Stack Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £743 per day
implementing fixes. Document technical decisions, architecture, and key code flows in Confluence. Integrate third-party APIs or services and manage seamless data exchange. Build RESTful APIs and implement API management and security using Azure API Management or similar tools. Monitor application performance, optimize SQL queries, and fine-tune MLOps workflows. ...

Senior Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
Backend architecture &APIs (primary focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management ...

Senior Solution Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Spring Boot and/or similar languages (Go, Java Script). Expert experience with API First approach and API standards (REST, JSON, patterns & practices, RESTful API design). Expert experience with API technology (API gateways) and API security (authentication/authorisation/identity providers). Excellent communication skills ...

Full-Stack Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £550 to £600 per day
efficient data management, including blob storage, queues, and tables. Use Azure SQL Database or other database services for data storage and management. Build RESTful APIs and implement API management and security using Azure API Management or similar tools. Performance Optimization and Monitoring: Identify performance bottlenecks and optimize application performance using ...

Senior Software Engineer

Hiring Organisation
Pontoon
Location
Warwickshire, United Kingdom
Employment Type
Contract
Ensure security, compliance, and observability standards are embedded into solutions. About You Deep expertise in C#/.NET Core, microservices, event-driven architectures, and RESTful APIs. Extensive experience with Azure Cloud Services, including Entra, AppInsights, and identity/authentication frameworks. Hands-on experience with CI/CD pipelines, DevOps practices ...

Java Developer

Hiring Organisation
Response Informatics
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
systems and diagnosing incidents. Experience in large-scale integration projects involving microservices, messaging, web services, and distributed systems. Experience with web services (SOAP and RESTful). Experience with containerization (Docker). Experience with testing frameworks like JUnit, Mockito,Powermock,JMock, DBUnit,TestContainers. Experience connecting processes across several systems with message ...

Senior Back-End Developer – Java

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
using Angular and TypeScript/Java ensuring an exceptional user experience • Ensure seamless integration and communication between front-end and back-end components • Create RESTFul APIs (gRPC) to enable smooth communication between microservices and external systems • Conduct regular code reviews, unit testing, CI and maintain high code quality and reliability ...

Senior Outlook Add-in Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

Senior Outlook Add-in Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

Senior Java Engineer (Smart Contract)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Boot, ensuring modular, testable, and reusable code. Craft responsive and intuitive user interfaces with Angular and TypeScript/Java to enhance user experience. Create RESTful APIs (gRPC) to facilitate smooth communication between microservices and external systems. Conduct regular code reviews, unit testing, and CI to maintain high standards of code ...

UI Developer - 13042

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
interfaces that meet enterprise standards (e.g., WCAG ). Collaborate with product managers, UX designers, and backend engineers to deliver high-quality features. Integrate with RESTful APIs and manage application state using Redux Toolkit and RTK Query . Incorporate Vercel AI SDK UI components to enhance chatbot functionality and user experience. ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/SQL deployment, disaster recovery ...

Senior Azure API Engineer

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
delight users What You Bring Essential: 10+ years software development, including 3+ years hands-on Azure Deep expertise in Azure API Management Strong OpenAPI, RESTful API design, and security protocols (OAuth 2.0, JWT, TLS) Proficiency in Node.js/Java/C# and modern integration patterns Experience with CI/ ...

Application Developer

Hiring Organisation
VANLOQ LIMITED
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
services in a fast-paced, regulated environment. Key Responsibilities Design and implement identity lifecycle workflows covering provisioning, de-provisioning, and orchestration Build secure, scalable RESTful APIs supporting identity, access, and governance use cases Integrate APIs with authentication and token services using OAuth2, OIDC, JWT, and federation standards Develop event-driven ...

Office.js Developer (Outlook)

Hiring Organisation
Oscar Associates Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
TypeScript, HTML, and CSS Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth/Azure AD) Nice to have: Exposure to CI/CD pipelines, Git-based version control, and automated testing practices ...

Software Engineer - Java

Hiring Organisation
Empresaria UK Ltd
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
with integrity at all times Required Skills & Experience Strong experience with Java (8+) Spring Boot/Spring Framework, including development with Hibernate Experience building RESTful APIs over HTTPS Hands-on experience with microservice architectures Understanding of distributed systems Knowledge and practical use of software design patterns Experience working in Agile ...

Software Developer

Hiring Organisation
Belcan
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
with integrity at all times Required Skills & Experience Proficiency in Java (version 8+) Strong knowledge of Spring Boot, Spring Framework, and Hibernate Experience developing RESTful services over HTTPS Handson experience with microservice architectures and distributed systems Solid understanding of software design patterns Familiarity with Agile development processes Experience with ...

Java Software Developer

Hiring Organisation
Line Up Aviation
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
knowledge of Developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience of developing within a microservice architecture Web Services using RESTful APIs Distributed systems Knowledge and use of software design patterns Agile Development Processes CI/CD delivery techniques Source code management ...

C#/.Net/React Fullstack Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
proven experience in CI/CD pipeline creation, automated builds, and production deployment. --- 2. Core Responsibilities Area Activities Back-End Development * Design and implement RESTful APIs using ASP.NET Core (=?6.0). or Nancy * Write clean, testable C# code * Manage data persistence (EF Core, Dapper, or similar). * Implement authentication/ ...

Java Developer-Golang

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
Responsibilities Design, develop, and maintain backend services using Java and Golang Write clean, efficient, and well-documented code following best practices Build and consume RESTful APIs and microservices Collaborate with product managers, architects, and frontend developers Participate in code reviews and contribute to technical design discussions Optimize application performance, scalability ...

Senior Software Engineer Backend

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
services client is seeking a Senior Software Engineer and help shape their cybersecurity in a fast-paced, global environment. Key Responsibilities: Design and maintain RESTful APIs and microservices using Node.js and NestJS. Build and automate AWS infrastructure with Terraform or CloudFormation. Develop and enhance CI/CD pipelines for microservice ...

Full Stack Engineer (Java / ReactJS)

Hiring Organisation
Adept Resourcing
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £525/day
Front-end development using ReactJS Experience delivering solutions within a microservices architecture Regular delivery of changes to production at high cadence Building and delivering RESTful APIs to production Experience designing schemas and working with PostgreSQL databases Desirable Experience Containers and orchestration technologies (Docker, Kubernetes) and exposure to GCP Previous experience ...