1 to 25 of 125 Contract REST Jobs

Senior SDET (Software Development Engineer in Test) - (Active SC clearance)

Hiring Organisation
LSA Recruit
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Architecture Build Tools (Maven/Gradle) UI Automation Skills Selenium Page Object Model Cross-browser Testing UI Validation Automation Best Practices API Automation Skills REST APIs Karate JSON Validation Data Validation Service Integration Testing Database Skills Oracle SQL Queries Database Validation Data Reconciliation Domain Experience Preferred Banking Financial Services Payments ...

C# / .Net Engineer

Hiring Organisation
Experis
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
following: Tech Stack C# .Net Core Typescript (desirable) React (desirable) Web API Kubernetes/Docker AWS/Azure GIT SQL/NoSQL Working Principles REST SOLID TDD Agile/SCRUM CI/CD DevOps All profiles will be reviewed against the required skills and experience. Due to the high number ...

Senior Golang Engineer

Hiring Organisation
Talent Smart
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£650/annum
continuous learning mindset. Able to balance technical excellence with pragmatic delivery. Technology Stack Go (Golang) Microsoft Azure C#/.NET React Docker Kubernetes REST APIs Event-Driven Architecture Microservices CI/CD Git Azure DevOps Service Bus/Event Grid/Event Hubs SQL/NoSQL Databases Solana (desirable) This ...

.NET Developer

Hiring Organisation
Response Informatics
Location
Taunton, Somerset, South West, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
applications on Microsoft Azure. Experience with Azure PaaS services such as: App Services Azure Functions Storage Accounts Service Bus Azure Key Vault Experience implementing REST APIs and service integrations. Strong understanding of object-oriented design principles and software engineering best practices. Experience with Git-based source control workflows. Familiarity with ...

UI Architect

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £570 per day
within complex environments Expertise in React, JavaScript (ES6+), TypeScript, HTML5 and CSS3 Experience designing SPA or micro-frontend architectures Strong understanding of API integration (REST, API gateway patterns, BFF) Experience working in cloud environments such as AWS or Azure Exposure to Docker, Kubernetes and CI/CD pipelines Strong focus ...

Java Developer - Government Experience Needed

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
£400 per day 400 Inside IR35
Essential Skills Strong commercial experience with Java (11/17+). Extensive experience with Spring Boot and Spring Framework. Microservices architecture and distributed systems. REST API design and development. SQL and relational databases such as PostgreSQL or Oracle. Automated testing using JUnit and Mockito. Git version control. Agile/Scrum ...

Software Engineer (SAR)

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
/CD pipelines and frequent code integration. - Maintain accurate documentation and work tracking within Azure DevOps. Required Skills - Node.js & TypeScript - React & Express.js - REST APIs - Docker - Azure App Services & Azure Functions - Azure DevOps (Repos, Boards & Pipelines) - Azure Kubernetes Service (AKS) - Azure Container Registry - Cosmos DB - Kubernetes & Helm - Elasticsearch & Kibana - Infrastructure ...

NET Developer (SC Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
Taunton, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
£470/day 470/day (Outside IR35)
Cloud environments including: Azure PaaS services (App Services, Azure Functions, Storage Accounts, Service Bus + Azure Key Vault). Technical Skills: C#, .NET, Azure, REST APIs, service integration, object-oriented design principles (OOD), Git source control, GitHub Copilot AI tools, Agile delivery teams, CI/CD pipelines + SW Engineering ...

.NET Developer (SC Cleared)

Hiring Organisation
Syntax Consultancy Limited
Location
Taunton, Somerset, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
470/day (Outside IR35)
Cloud environments including: Azure PaaS services (App Services, Azure Functions, Storage Accounts, Service Bus + Azure Key Vault). Technical Skills: C#, .NET, Azure, REST APIs, service integration, object-oriented design principles (OOD), Git source control, GitHub Copilot AI tools, Agile delivery teams, CI/CD pipelines + SW Engineering ...

Senior C# / .NET Developer | Risk & Securities Lending

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
C# and .NET (including .NET Core). Exceptional Object-Oriented Programming (OOP) skills and architectural design principles. Proven track record in designing and implementing REST/JSON APIs. Solid SQL database experience (e.g., SQL Server). Strong grasp of application performance, scalability, unit/integration testing, and CI/ ...

Software Developer (Node.js & Angular)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
optimise and improve application performance, scalability and reliability Essential Skills Strong commercial experience developing applications with Node.js Excellent JavaScript and TypeScript knowledge Experience building REST APIs using Express.js Commercial Angular development experience Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience ...

Dell Boomi Integration Consultant

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
profile configuration Create and manage secure Managed File Transfer (MFT) workflows to support high-volume and sensitive data transfers Publish, secure and govern REST/SOAP APIs through Boomi API Management, including gateway configuration, throttling and developer portal management Develop and maintain CI/CD pipelines using Git, Azure DevOps ...

Python Developer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
technical design discussions Essential Skills & Experience Strong commercial experience developing applications with Python Proven hands-on experience with Microsoft Azure Experience building and consuming REST APIs and microservices Strong understanding of cloud architecture and Azure services Experience with CI/CD pipelines and DevOps practices Familiarity with Git and modern ...

DevOps Engineer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Worcestershire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
Benchmarks Configuration Mgmt. Ansible, Puppet, Chef Build Tools Maven, Gradle, NPM, Webpack Testing Tools Selenium, JUnit, Postman, Cypress Other Nexus/Artifactory (artifact repositories), REST APIs, JSON/YAML, Linux system admin ...

Developer

Hiring Organisation
Parity Network
Location
Edinburgh, City of Edinburgh, United Kingdom
Employment Type
Contract
Contract Rate
£475/day
responsibilities include: Developing and supporting modern software solutions using Java, Spring Boot and React. Enhancing automation and digital case management tooling. Building secure REST APIs and event-driven microservices. Developing responsive web applications using React and Next.js. Supporting CI/CD pipelines and cloud-native deployments. Designing and implementing scalable ...

SC Cleared - Front End Developer

Hiring Organisation
Lucid Support Services Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
React), including reusable components and state management. Build complex, validation-heavy user journeys (multi-step workflows, dashboards, and file uploads). Integrate with secure REST APIs, ensuring robust handling of loading, error, and edge states. Implement authentication flows using OIDC/SSO (Microsoft Entra ID via MSAL) and fallback ...

Senior Java Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Solihull, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day contract Outside IR35
Description: Essential: Java 17+, Spring Boot, Spring DataJPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST and SOAP Web Services, Messaging (ActiveMQ), Maven, Junit, Jenkins, AWS Cloud hosting and its components, Postgres/Aurora, Bootstrap, Docker, TDD, Agile (Scrum), Jaspersoft, Spring extension projects (Data, Cloud, Batch ...

Software Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
months with possible extensions Location: mostly remote, with occasional requirement in Edinburgh or Glasgow Key Responsibilities Design, develop and support modern web applications and REST APIs using Java, Spring Boot and React . Deliver secure, scalable and maintainable solutions within an OpenShift environment. Enhance automation capabilities, case management solutions ...

AWS Java Full-Stack Developer - 1 year | London or Edinburgh (2 Days per week)

Hiring Organisation
Hamilton Barnes
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 Daily
Agile delivery, code reviews, troubleshooting, and production releases What You Will Ideally Bring Strong experience in Java 11+/17, Spring Boot, Microservices, and REST API development Hands-on expertise in Angular Experience with AWS services including EKS/ECS, EC2, Lambda, S3, RDS, and CloudWatch Strong knowledge ...

Mulesoft Developers 2

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £675/day Inside IR35
development in MuleSoft, Java, and Salesforce. Strong MuleSoft Anypoint Platform experience, including designing APIs, creating Mule flows, and managing MuleSoft runtime environments. Familiarity with REST/SOAP APIs, JSON, XML, and data transformation techniques. Experience with Salesforce integration patterns and best practices. Excellent problem-solving skills and attention to detail. ...

Full-Stack Software Engineer

Hiring Organisation
ARM
Location
Zürich, Switzerland
Employment Type
Contract
English (written and spoken) Technical Skills Core Technologies Java (4-6 years) Modern software development methodologies and engineering practices Software architecture and design principles REST APIs Microservices architecture Event-driven systems CI/CD pipelines DevOps principles Kubernetes and/or OpenShift Front-End Development JavaScript (1-3 years) Angular ...

Senior Frontend Engineer - Retail Digital Platform

Hiring Organisation
Sanderson
Location
West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
modern JavaScript (ES6+) Experience building and maintaining Progressive Web Apps (PWAs) Strong understanding of HTML5, CSS3 and SCSS Responsive and mobile-first development experience REST API and/or GraphQL integration experience Testing experience using tools such as Jest, React Testing Library, Cypress or Playwright Experience working with Git-based ...

Mulesoft Developer

Hiring Organisation
Damia Group Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
development in MuleSoft, Java, and Salesforce. Strong MuleSoft Anypoint Platform experience, including designing APIs, creating Mule flows, and managing MuleSoft runtime environments. Familiarity with REST/SOAP APIs, JSON, XML, and data transformation techniques. Experience with Salesforce integration patterns and best practices. Excellent problem-solving skills and attention to detail. ...

Mulesoft Developer

Hiring Organisation
Damia Group LTD
Location
City, Belfast, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 700 Daily
development in MuleSoft, Java, and Salesforce. Strong MuleSoft Anypoint Platform experience, including designing APIs, creating Mule flows, and managing MuleSoft runtime environments. Familiarity with REST/SOAP APIs, JSON, XML, and data transformation techniques. Experience with Salesforce integration patterns and best practices. Excellent problem-solving skills and attention to detail. ...

Senior Developer

Hiring Organisation
Vallum Associates
Location
South Yorkshire, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
£427 - £470/annum
Cloud Functions, Pub/Sub, Cloud Storage, and IAM. Knowledge of Docker, Kubernetes, and CI/CD practices. Experience designing and implementing REST APIs and microservices. Strong understanding of Agile delivery methodologies. ...