1 to 25 of 120 Contract REST Jobs

Java Developer

Hiring Organisation
Denizns Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
design documentation What you'll bring Active SC clearance (essential) 3+ years' experience as a Java Developer (Java 8+) building microservices Strong Spring Boot, REST API design and SOAP/WSDL/XML experience TDD and BDD experience using JUnit and Cucumber Docker, Kubernetes, Jenkins, CI/CD and SonarQube ...

Principle Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Experience operating within Agile and DevOps delivery models. Desirable Skills: Application & Integration Technologies C# .NET Entity Framework JavaScript React Vue.js Windows Presentation Foundation (WPF) REST APIs Microservices architecture AI & Data Technologies AWS SageMaker Large Language Model (LLM) integrations AI-assisted analytics solutions Python-based data analysis tooling Architecture & Governance Enterprise ...

Java Full stack Developer

Hiring Organisation
NEEV LIMITED
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day
experience with Java Microservices development Key Skills Java, Spring Boot, Microservices, Kafka, Kubernetes, API Authentication, OAuth2, JWT, Observability, Prometheus, Grafana, Splunk, Bean Management, SQL, REST APIs, CI/CD, Docker, Cloud Technologies. ...

Golang Full Stack Developer

Hiring Organisation
DNS Info Ltd
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day Inside IR35
pipelines and automated testing. Required Skills Strong commercial experience with Golang/Go. Strong experience in React.js/Next.js/TypeScript. Solid experience developing REST APIs and microservices. Good knowledge of JavaScript, HTML, and CSS. Experience with PostgreSQL, MySQL, MongoDB, or similar databases. Experience with Docker and Kubernetes. Hands ...

Principal Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £600 per day + Inside IR-35
documentation. Supporting the continuous improvement of engineering capability and delivery processes. Essential Skills Java & Software Engineering Strong commercial Java development experience. Spring Boot. Maven. REST and SOAP services. Experience delivering large-scale enterprise systems handling high transaction volumes. Strong understanding of software engineering best practices and modern development approaches. ...

Blockchain Engineer

Hiring Organisation
Ubique Systems UK Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Software Engineering, or a related discipline Fluent English communication skills (C1 level or above) Technical Skills Strong experience in: Java (preferred) Kotlin Spring Boot REST APIs Microservices Architecture Experience with: Event-driven architectures Kafka RabbitMQ or similar messaging technologies SQL and NoSQL databases Containerization (Docker) Kubernetes CI/CD pipelines ...

Scala Developer - Contract

Hiring Organisation
Stealth IT Consulting
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
user-focused services within an Agile delivery team. Essential Skills Strong commercial Scala development experience Experience with Akka/Pekko, Play Framework, and Microservices REST API development AWS, Azure, or GCP Docker, Kubernetes, Terraform CI/CD and DevOps practices Agile delivery experience Government Experience Candidates must have previous experience ...

Golang Engineer

Hiring Organisation
Talent-Relay Limited
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
£67,832
Golang Engineer within a commercial environment. Design, develop, test and maintain backend applications using Golang . Build and enhance scalable, resilient microservices and REST APIs . Develop solutions supporting high-volume customer-facing applications. Work with messaging technologies such as Kafka/RabbitMQ and asynchronous services. Contribute to the migration ...

IdAM Application Developer

Hiring Organisation
Guidant Global
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
problem-solving, and communication skills. Desirable Skills & Experience Experience with any of the following would be advantageous: Development Frameworks & Languages React Django and Django REST Framework Java C# Golang Platform & DevOps Technologies OpenShift Kubernetes Terraform Jenkins ArgoCD Ansible VMware (IaaS) Monitoring & Operations Prometheus Stack Loki Log Aggregation Identity & Access Management ...

Python Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £617/day Up to £617.55 per day VIA UMB
APIs. Knowledge of modern Python features, including asyncio, type hints and context managers. Go development experience, including concurrent applications, services, CLI tools and REST APIs. Experience with Go modules, error-handling patterns, testing and code organisation. Strong AWS experience using boto3 and aws-sdk-go-v2. Experience working with ...

Java Developer

Hiring Organisation
Halian Technology Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract
large-scale systems using modern Java technologies, microservices architecture and AWS cloud services within a highly collaborative Agile environment. Essential Skills Java Spring Boot REST APIs Microservices AWS EC2 Lambda CloudWatch Networking Awareness TDD (Test Driven Development) SQL Databases NoSQL Databases MongoDB PostgreSQL Nice to Have Node.js JavaScript/TypeScript ...

Lead Engineer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
offshore engineering teams to resolve technical challenges and keep delivery on track. Key Skills: Strong hands-on Java 8+, Spring and Spring Boot development REST API design and microservices architecture Kafka and event-driven integration patterns Google Cloud Platform (GCP) and cloud-based deployment Docker, Helm and Kubernetes BDD/ ...

Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £500/day
Support CI/CD pipelines and modern DevOps practices Essential Skills & Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience CI/CD pipelines Infrastructure and deployment ...

Fullstack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £65/hour
Experience: 3+ years in full-stack web development. Frontend: Vanilla JS/TS, React or Vue.js, HTML/CSS. Backend: Java (or derived frameworks), REST/GraphQL APIs. AI & Cloud: Hands-on experience deploying features with Agentic AI tools; proficient with the AWS stack (e.g., CloudFormation). Essentials: Database knowledge ...

Senior Java Developer

Hiring Organisation
TXP
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £550 per day
development tools where appropriate to improve analysis, design, development, testing and code quality. Essential Skills & Experience Strong commercial experience with Java Extensive experience developing REST APIs using Spring Boot Experience writing unit tests using JUnit Strong understanding of JSON structures and data formats Hands-on experience with Kubernetes , including: Containerising ...

Senior Backend Engineer (Java)

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
platform teams while elevating code quality and mentoring fellow engineers. Core Responsibilities Architecture & API Design: Build and maintain scalable, fault-tolerant backend microservices and REST APIs. Technical Leadership: Lead medium-to-large engineering initiatives, participate in design reviews, and establish engineering best practices. System Operations & Reliability: Troubleshoot complex production issues ...

Rightangle Developer - Inside IR35 - Up to £750 per day - Hybrid in Central London

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank or financial institution. Key Competencies ...

Rightangle Developer - Inside IR35 - Up to £750 per day

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
commodity scheduling, logistics, inventory or physical settlement processes. Experience with market data, risk and P&L integration. Experience with Java, Spring/Spring Boot, REST APIs, Kafka or similar enterprise technologies . CI/CD and DevOps experience. Previous experience within a major investment bank or financial institution. Key Competencies ...

React Developer - SC Active Mandatory

Hiring Organisation
Infoplus Technologies UK Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
high-performing web applications using React and TypeScript. Build reusable UI components, design patterns and shared Front End libraries. Integrate Front End applications with REST APIs and enterprise Back End services. Work with UX and design teams to deliver intuitive user experiences aligned with enterprise design systems. Implement appropriate approaches ...

Senior Frontend Developer

Hiring Organisation
Rullion Managed Services
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
Query SWR Apollo Client UI & Design Systems Tailwind CSS Styled Components Material UI (MUI) Radix UI Framer Motion Custom Design Systems APIs & Data GraphQL REST APIs Contentful CMS React Hook Form Zod Testing Vitest Jest Testing Library Playwright Storybook MSW Axe/Pa11y DevOps & Infrastructure AWS Terraform GitLab CI Vercel ...

Java Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
Solihull, West Midlands (County), United Kingdom
Employment Type
Contract
Skills & Experience Technical Skills 8+ years of Java development experience. Strong experience with Java 17+. Spring Boot. Spring Data JPA/Hibernate. Microservices architecture. REST API development and integration. PostgreSQL or similar relational database technologies. Docker containerisation. AWS cloud platforms and services. Jenkins CI/CD pipelines. Maven. JUnit ...

Integration Developer

Hiring Organisation
GCS
Location
Enfield, London, Enfield Town, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
SSMS SSIS Azure Service Bus Azure Functions Strong SQL and T-SQL development skills. Experience designing and supporting ETL solutions. Hands-on experience with REST and SOAP integrations. Strong knowledge of: JSON XML Data Mapping Data Transformation API Integrations Experience troubleshooting and supporting production integration services. Experience working within Agile ...

D365 CE Developers - Outside IR35

Hiring Organisation
Experis
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Apps, Function Apps and Service Bus API Management, Storage Accounts, App Insights or Key Vault Azure DevOps, pipelines, repos and releases Git source control REST APIs, messaging and integration patterns Secure development practices, including OAuth and API security Useful additional experience Infrastructure as Code, such as Bicep, Terraform ...

D365 CE Developers - Outside IR35

Hiring Organisation
Experis
Location
West Midlands, United Kingdom
Employment Type
Contract
Apps, Function Apps and Service Bus API Management, Storage Accounts, App Insights or Key Vault Azure DevOps, pipelines, repos and releases Git source control REST APIs, messaging and integration patterns Secure development practices, including OAuth and API security Useful additional experience Infrastructure as Code, such as Bicep, Terraform ...

SC Cleared QA SDET

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35 (Negotiable rate)
passion for quality. Preferred Qualifications Salesforce certifications (e.g., Salesforce Administrator, Platform App Builder) are a plus. Experience with API testing tools (Postman, REST Assured) is desirable. Understanding of enterprise-level integration testing. Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited ...