1 to 25 of 36 Contract RESTful Jobs in England

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 ...

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 ...

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 ...

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 ...

Front End Developer

Hiring Organisation
Invitise Ltd
Location
Exeter, Devon, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £600 per 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 ...

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
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 Developer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day
improvement. Key Responsibilities Design, develop and maintain secure full stack applications using Java, Spring Boot, React and TypeScript. Develop scalable backend services and secure RESTful APIs. Build intuitive, accessible and responsive frontend applications. Develop reusable frontend components aligned with established design system principles. Integrate frontend applications with backend APIs, workflow … National Security or similarly secure environments. Strong Java development experience. Strong Spring Boot experience. Strong React and TypeScript development experience. Experience designing and developing RESTful APIs. Experience with SQL and/or NoSQL databases. Experience building responsive, accessible and maintainable user interfaces. Experience with Git and modern software development practices. ...

Lead Software Engineer / Technical Lead (Python & Django)

Hiring Organisation
NonStop Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £720/day
architecture and engineering best practices while remaining hands-on. What You'll Be Doing Develop secure, scalable applications using Python & Django Design and build RESTful APIs Contribute to system architecture and technical design Work within Agile, multidisciplinary delivery teams Write clean, well-tested code using TDD principles Support live services ...