1 to 25 of 50 Contract RESTful Jobs

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
Remote Clearance: BPSS Stages: 1 Stage Must Have Government Experience Key Responsibilities Design and develop high-quality Java applications and microservices. Build and maintain RESTful APIs and Back End services. Collaborate with architects, business analysts, testers, and DevOps engineers. Contribute to technical design discussions and architectural decisions. Implement automated testing ...

Senior Backend Developer (Python) - Remote

Hiring Organisation
IO
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 45 - 50 Hourly
software developers to deliver robust, production-grade solutions. What you'll be doing Design and develop scalable backend services using Python and FastAPI Build RESTful APIs and microservices Develop data pipelines supporting large-scale analytics platforms Work with Neo4j graph databases and relational databases such as PostgreSQL or SQL Server ...

CRM Full Stack Software Engineer

Hiring Organisation
Elliot Marsh
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
backend services using Node.js and TypeScript - Develop responsive user interfaces using React and Next.js - Design, maintain and optimise PostgreSQL and MongoDB databases - Build secure RESTful APIs and microservices - Optimise application performance, scalability and reliability - Implement automated testing using TDD, Jest and Cypress - Collaborate with Product, QA, Design and DevOps teams ...

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
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 containerisation (Docker) • Experience with testing frameworks like JUnit, Mockito, Powermock, JMock, DBUnit, TestContainers. • Experience of connecting processes across several systems with message brokers ...

C# Developer

Hiring Organisation
CEI England Limited T/A CEI GB
Location
Isleworth, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 per day
develop, and maintain scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain database solutions using Oracle and Couchbase . Implement and support event-driven architectures using messaging platforms such ...

Senior Java Engineer

Hiring Organisation
Pontoon
Location
Dublin, County Dublin, Ireland
Employment Type
Contractor
Contract Rate
£500 - £550 per day
ecosystem. Experience with enterprise application development and backend services. Frameworks & APIs Strong experience using Spring Framework (Spring Boot preferred). Experience designing and developing RESTful APIs and web services. Databases Strong SQL and relational database experience. Ability to write efficient queries and troubleshoot database performance issues. Cloud & DevOps Experience working ...

Senior Java Engineer

Hiring Organisation
Pontoon
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£500 - £550/day
ecosystem. Experience with enterprise application development and backend services. Frameworks & APIs Strong experience using Spring Framework (Spring Boot preferred). Experience designing and developing RESTful APIs and web services. Databases Strong SQL and relational database experience. Ability to write efficient queries and troubleshoot database performance issues. Cloud & DevOps Experience working ...

Multiple Java Developers - Contract

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 - £850 per day
you. What you'll be doing Develop enterprise backend applications using Java and Spring Boot Design and build scalable microservices Develop RESTful APIs Drive backend architecture and technical design Optimise application performance and scalability Mentor and support other developers Lead code reviews and engineering best practice Work closely with business ...

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
have a passion for building robust enterprise systems. What you'll be doing Develop enterprise applications using Java and Spring Boot Build and enhance RESTful APIs and microservices Design scalable, high quality software solutions Collaborate with Product, QA and Engineering teams Write clean, well tested, maintainable code Participate in code ...

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

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
System Development: Design, build, and maintain high-performance C#/.NET applications supporting Risk and Securities Lending workflows. API Integration: Build and consume RESTful APIs to seamlessly connect complex upstream and downstream financial systems. Data & Throughput: Handle large datasets and high-throughput systems, contributing to vital exposure calculations, limits ...

QA Automation Engineer - GenAI

Hiring Organisation
Square One Resources
Location
Burgess Hill, West Sussex, United Kingdom
Employment Type
Contract
Contract Rate
£260 - £280/day
Model design patterns API testing capabilities within Playwright RestAssured/Karate - GOOD TO HAVE Expertise in API testing using RestAssured (Java) or Karate framework RESTful API validation and automation Data-driven testing and BDD approach JSON/XML response validation Hands-on AI Experience Hands-on experience integrating AI into ...

Contract Java Developer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Cheltenham, Gloucestershire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
HAVE... * Active Enhanced DV (eDV) Clearance * Strong Java development experience * Experience working within secure or government environments * Experience with microservices architectures * Knowledge of RESTful APIs and backend services * Experience working in Agile delivery teams IT WOULD BE NICE FOR THE JAVA DEVELOPER TO HAVE... * Experience with Spring/Spring Boot ...

Senior .Net Developer

Hiring Organisation
LANCESOFT LTD
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 50 - 55 Hourly
solutions in a regulated environment. Key Responsibilities Design, develop, and maintain C#/.NET applications supporting Risk or Securities Lending platforms Build and consume RESTful APIs to integrate with upstream/downstream systems Implement scalable, testable, and maintainable object oriented code following best practices Contribute to risk workflows including exposure ...

Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/annum
skills Solid understanding of responsive design, modern UI development, HTML5, and CSS3 Experience developing reusable component libraries and scalable frontend architectures Proven experience integrating RESTful APIs, GraphQL services, and third-party platforms Experience with state management solutions such as Redux or Zustand Strong focus on application performance, accessibility, security ...

Full Stack Developer- Python & Azure Kubernetes Service

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Front End technologies: React, TypeScript Back End development: Python-based RESTful API development Databases: MongoDB and SQL databases Cloud platform: Microsoft Azure, especially Azure Kubernetes Service Containerization & orchestration: Kubernetes and container-based deployments DevSecOps tools: GitHub, GitHub Actions, CI/CD workflows GitOps deployment: ArgoCD for Kubernetes deployment Testing tools ...

Java Developer

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£540 - £640 per day
Design, develop, test, and maintain Java-based applications and services. Translate business and technical requirements into clean, efficient, and maintainable code. Develop backend services, RESTful APIs, and integrations with internal and third-party systems. Build and enhance solutions using Spring Boot, Spring MVC, Hibernate, and microservices architectures. Work closely with … Full Stack Developer. Strong hands-on development experience with Java and object-oriented programming principles. Experience building applications using: Spring Boot Spring MVC RESTful APIs Microservices Strong understanding of relational databases and SQL. Experience working with databases such as MySQL, PostgreSQL, or Oracle. Experience using Git, Bitbucket, or similar version ...

Frontend Developer

Hiring Organisation
Invitise
Location
EX2, Alphington, Devon, United Kingdom
Employment Type
Contract
Contract Rate
£600/day
automated testing. You will need proven experience working with the following: React, Next.js and TypeScript HTML, CSS and JavaScript Consuming internal or RESTful APIs Elasticsearch and SQL-style databases Git and cloud deployment (Azure and/or AWS) Experience with PyGeoAPI would be beneficial, as would familiarity with Jira ...

Java Developer

Hiring Organisation
Experis
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Concurrency, OOPS concepts, Exception Handling, JVM Concepts, Spring Framework (Spring Boot, Spring Batch, Spring Integration), SQL Integration - Micro Service Architecture, Developing and integration with Restful web services, Design Pattern UI/UX - Angular, React, HTML/CSS/JS Some other highly valued skills may include: Devops - Monitoring and tooling ...

Python Developer

Hiring Organisation
Queen Square Recruitment Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£420/day
enterprise platforms. Key Responsibilities Develop and maintain Python-based automation frameworks and scripts for network testing, data processing, and operational workflows. Build RESTful APIs using Flask or FastAPI. Work with SQL and NoSQL databases including PostgreSQL, MySQL, MongoDB, and Redis. Develop and maintain Docker-based applications and environments. Support ...

Scala Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £470/day
delivery teams. Drive continuous improvement across engineering practices. Essential Skills Strong commercial experience with Scala . Experience using the Play Framework . Experience developing RESTful microservices. Strong knowledge of unit and integration testing. Experience working within Agile delivery teams. Excellent problem-solving and communication skills. Desirable Skills Cloud platform experience ...

Software Developer

Hiring Organisation
Line Up Aviation
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£41.10/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 ...

Senior Software Engineer Java (Fixed Term Contract)

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Contract
experience with Java and the wider Java ecosystem, including designing, developing, testing and maintaining enterprise-scale applications. Strong experience developing solutions using Spring Boot , RESTful APIs and microservices architectures. Experience building cloud-based applications using Azure or a comparable cloud platform, with an understanding of scalable, reliable and maintainable application ...

Java Software Engineer - Liverpool 1 dpw - up to £70,000

Hiring Organisation
Exalto Consulting
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£65000 - £70000/annum £70,000 + Benefits
with large or mature codebases. Experience deploying and managing Java applications on Apache Tomcat and/or IBM WebSphere application servers. Demonstrable experience with RESTful APIs and integrating third-party services. Strong understanding of web performance, accessibility (WCAG), and responsive design principles. Solid experience across the testing landscape, including unit ...

Senior .Net Developer

Hiring Organisation
Synnovate
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Outside IR35
your primary skill and it needs to be excellent Demonstrable experience with AI-assisted development (Copilot, Claude, Cursor, or similar) Experience building and designing RESTful APIs SQL Server — comfortable with schema design and query performance Strongly Preferred Entity Framework NoSQL (CosmosDB, MongoDB, or similar) Redis Authentication and authorisation implementation (OAuth ...

Software Engineer

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£70,000
development Experience in web cloud infrastructure Experience in Agile processes Good communication skills Experience in Java and/or Python development Experience in developing RESTful services Experience in developing application using SpringBoot Experience in developing web infrastructure (Solr, kubernetes) Experience with Key value stores Experience in git and basic Unix ...