1 to 25 of 137 Contract REST Jobs

Senior Full Stack Developer (Java/C#)

Hiring Organisation
CEI England Limited T/A CEI GB
Location
Isleworth, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 per day
Java and/or C# (experience in both is highly desirable). Strong frontend development experience with ReactJS . Proven experience building and supporting REST APIs and microservices . Experience working with relational and NoSQL databases, particularly Oracle and Couchbase . Experience with messaging and event-driven technologies such ...

Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£499 - £500/day
with the ability to communicate technical concepts to non-technical stakeholders. The Tech Stack Languages/Frameworks: Java, Spring Boot, Spring MVC Architecture: Microservices, REST APIs Databases: SQL Tools: Git/Bitbucket, Maven/Gradle, Jenkins (or similar CI/CD) IDEs & Management: IntelliJ, Eclipse, or VS Code; Jira ...

Tech Lead - Software Engineering

Hiring Organisation
Chroma Recruitment Ltd
Location
Alderley Edge, Cheshire, North West, United Kingdom
Employment Type
Contract
Contract Rate
Competitive Day Rate, DOE
hands-on experience working in Java codebases at production scale Expert-level TypeScript, JavaScript and Node.js; experience building scalable, production-grade applications Strong GraphQL, REST API and PostgreSQL skills; Git-based source control and branching strategies Strong AWS experience: designing, securing, deploying and operating production cloud environments Docker, CI/ ...

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 ...

Software Engineer Java 11 Hybrid

Hiring Organisation
Telstra Associates
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£270/day UMBRELLA ONLY
Ensuring applications are scalable, secure, and reliable Typical Technologies Used Java (8/11/17/21) Spring Boot, Spring Framework Microservices Architecture REST APIs Kafka SQL/NoSQL Databases AWS/Azure Cloud Docker, Kubernetes Git, Maven, CI/CD Tools Software Engineer Java ...

Senior Backend Developer (Python) - Remote

Hiring Organisation
IO
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 45 - 50 Hourly
development Troubleshoot performance issues and contribute to architectural decisions Essential Skills & Experience Strong commercial experience with Python Production experience with FastAPI Solid understanding of REST APIs and microservice architectures Experience applying Domain-Driven Design (DDD) Strong SQL skills with PostgreSQL and/or SQL Server Hands-on experience with Neo4j ...

.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 ...

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/ ...

Senior Data Software Engineer

Hiring Organisation
Contechs Consulting
Location
Göteborg, Sweden
Employment Type
Contract
entitlement, metering, billing support, and monitoring in AWS environment - Design and implement secure OAuth 2.0/OIDC and system-to-system integration patterns - Develop REST APIs and integration services for external customers and partners - Implement logging, monitoring, alerting, tracing, and service health checks -Troubleshoot issues in APIs, microservices, deployments ...

Senior Software Engineer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
loop design, and risk mitigation for agentic workflows Technical Skills & Experience Required Full-Stack Engineering: Strong proficiency in Java/Spring Boot REST APIs, event-driven services, security, and performance optimisation Solid React development skills and API integration Experience with relational and in memory databases (PostgreSQL, Redis) Messaging and streaming ...

Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/annum
stakeholders to deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations (OpenAI, Azure AI, or similar) Essential Skills & Experience Strong commercial experience building enterprise-grade frontend applications using ...

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 ...

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 ...

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 ...

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 ...

Java Full Stack Engineer

Hiring Organisation
Third Nexus Group Limited
Location
London, United Kingdom
Employment Type
Permanent, Contract
Salary
£50000 - £90000/annum
Current SC Clearance required Requirements Develop Support Java full-stack IAM applications APIs Microservices Secure DevOps-based releases Technical Skills required Java Spring Boot REST APIs AWS/Azure Angular/React microservices SQL OAuth2/OIDC unit testing secure coding CI/ ...

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 ...

Multiple Java Developers - Contract

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £850 per day
automated deployment Support production systems and continuous improvement What we're looking for Strong commercial Java development experience Spring Boot and Microservices REST API development SQL and database design Oracle experience Unix or Linux JUnit and automated testing Git version control Kafka or RabbitMQ (desirable) AWS, Azure or GCP exposure ...

Full Stack Java Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£475 - £500 per day + PAYE holiday
accelerate development Contribute to continuous improvement and engineering best practice What we're looking for Strong commercial Java development experience Spring Boot and REST API development Object Oriented Design and Design Patterns SQL and relational database experience Angular, TypeScript, HTML and CSS (desirable) JUnit, BDD or automated testing frameworks Linux ...

Python Software Engineer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
working with container technologies such as Docker and Kubernetes. Strong understanding of cloud architecture, infrastructure automation and DevOps best practices. Experience building and consuming REST APIs and microservices. Comfortable working across both application development and cloud infrastructure. Experience using Git and working within Agile delivery teams. Previous NHS or Central ...

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 ...

Full Stack Engineer - ML/Gen AI

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£375 - £450 per day
making architectural decisions and balancing technical trade-offs. Essential experience: Python, React and JavaScript/TypeScript AWS cloud engineering Chat or Messaging platform integration REST API development CI/CD pipelines Observability (logs, metrics, tracing and performance monitoring) Software architecture and distributed systems/microservices AI/LLM integration, with ...

Senior Application Security Consultant (SAST/DAST/OWASP )

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
across multiple technology programmes. Essential Skills Application Security Secure Software Development Lifecycle (SSDLC) OWASP Top 10 Secure Coding Secure Design Reviews API Security REST APIs Microservices Security Application Security Risk Assessments Threat Modelling STRIDE MITRE ATT&CK Security Architecture Risk Assessments DevSecOps CI/CD Security GitHub Actions GitLab Jenkins ...

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 ...

RPA Developer - NICE and Automation

Hiring Organisation
fortice
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
scripts used within NICE APA automation solutions. Experience delivering automation solutions across the full software development life cycle. Proven experience integrating automation solutions with REST APIs, web services and enterprise applications. Strong understanding of exception handling, logging, monitoring and supportable automation design. Experience working in Agile Scrum delivery teams. Knowledge ...