1 to 25 of 27 Contract RESTful Jobs in England

Senior Full Stack Developer (React, JavaScript & C#.NET)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. ...

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 ...

Contract Software Engineer (Java & Kotlin)

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400/day
solutions that are secure, reliable and built for scale. Key Responsibilities Design, develop and maintain backend services using Java and Kotlin. Build and enhance RESTful APIs within a microservices architecture. Develop secure, scalable and high-performance applications. Collaborate with Product Managers, Engineers and technical stakeholders to deliver new features. Participate ...

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
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£475 - £500 per day
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 Java Developer / Technical Lead

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£850 - £900 per day
Java, Spring Boot, and microservices architecture. Java, Spring, Spring Batch, Spring Integration, Oracle, Unix, junit, shell scripting, git * Strong experience with designing and developing RESTful APIs, data modeling with SQL and NoSQL databases, and distributed systems patterns. * Proficiency with message brokers (e.g., Kafka, RabbitMQ) and event-driven architectures. * Experience 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
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 ...

Senior Developer

Hiring Organisation
Vallum Associates
Location
South Yorkshire, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
£428 - £471/annum
build and support scalable cloud-native applications for enterprise environments. Key Responsibilities Design and develop scalable backend services using Node.js and TypeScript. Build RESTful APIs and microservices architectures. Develop and optimize PostgreSQL databases and queries. Deploy and manage applications on Google Cloud Platform (GCP). Collaborate with architects, product owners ...

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 ...

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 ...

Engineering Tech Lead Node.js Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
patterns Experience building systems with high throughput and low latency. Knowledge of scalability patterns including horizontal scaling, load balancing, and auto-scaling. API & Integration RESTful API design GraphQL gRPC WebSockets OpenAPI/Swagger API versioning strategies Third-party system integrations Databases Experience with both SQL and NoSQL databases: PostgreSQL MySQL ...

Software Developer

Hiring Organisation
Belcan Technical Recruiting (UK) Ltd
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £55 per 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 ...

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
ARM
Location
Portsmouth, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£55/hour
Good knowledge of developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience 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 ...

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 ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Skills: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness to engage ...

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 ...

Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£499 - £500/day
want to hear from you! What You Will Do Develop & Innovate: Design, build, test, and maintain robust Java-based applications, backend services, and RESTful APIs. Collaborate: Work closely with Architects, Business Analysts, Product Owners, QA, and DevOps engineers throughout the software development lifecycle. Write Clean Code: Translate technical requirements into … Backend Engineer, or Full Stack Developer with strong Object-Oriented Programming (OOP) skills. Frameworks & Architecture: Deep hands-on experience with Spring Boot, Spring MVC, RESTful APIs , and Microservices . Database Mastery: Solid understanding of SQL and relational databases (MySQL, Oracle, or PostgreSQL). Version Control & Build Tools: Proficiency with ...

Full Stack Web Developer

Hiring Organisation
Journey Recruitment Ltd
Location
Flackwell Heath, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 50,000 - 55,000 Annual
.NET/.NET Core to build web applications and services. Strong knowledge of HTML, CSS and JavaScript. Experience integrating third-party systems using RESTful APIs and JSON. Previous experience working with Salesforce and Salesforce Marketing Cloud (SFMC) would be advantageous. Excellent problem-solving, troubleshooting and debugging skills. Strong communication skills ...

Backend Engineer

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
with services and systems built in: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust API Design You will design, build, and consume: RESTful APIs GraphQL APIs Company UK's market leading media organisation with offices in London Hybrid working Salary & Benefits The salary range/rates ...

Golang Developer - CONTRACT ROLE

Hiring Organisation
IO Associates
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£300 - 400 per day
technical challenges and working with modern development practices. What we're looking for: Strong commercial experience with Go (Golang) (essential) Backend engineering and microservices RESTful API development and integration Experience building cloud-native or distributed systems Comfortable contributing across the stack where required Experience using AI-assisted development tools (Copilot ...

.NET Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Guildford, Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £400 per day
onsite in Guildford 3 times per week. We're particularly interested in candidates with experience in: • C#/.NET Core • React Native • ASP.NET Core • RESTful APIs • SQL Server • Microservices Architecture If this sounds like something you'd be interested in, please apply with your latest ...

Golang Engineer ( Junior to Mid-level)

Hiring Organisation
Talent-Relay Limited
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £220 to £275 per day Junior - Mid role - Long term contract - wor
Responsibilities: Design, develop and maintain scalable backend applications using Golang. Build and enhance microservices supporting the global Loyalty & Benefits platform. Develop high-performance RESTful APIs and integrate asynchronous messaging services such as Kafka. Collaborate with cross-functional Agile Scrum teams to deliver high-quality software. Contribute to automated testing … engineers across the platform to share technical knowledge and improve engineering standards. Required Skills: Strong commercial as a Golang Engineer Experience developing microservices and RESTful APIs. Solid experience with Git , Jenkins , PostgreSQL and NoSQL databases. Experience working with messaging platforms such as Kafka or RabbitMQ. Strong understanding of Agile Scrum ...