1 to 25 of 46 Contract RESTful Jobs

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 Golang Engineer

Hiring Organisation
Talent Smart
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£650/annum
available services capable of supporting complex enterprise workloads. Key Responsibilities Design, develop, and maintain high-performance backend services using Go (Golang) . Build scalable RESTful APIs and event-driven microservices. Design and implement cloud-native solutions within Microsoft Azure. Develop resilient distributed systems capable of handling high-throughput workloads. Contribute ...

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 ...

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 ...

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 ...

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 ...

UI Architect

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £570 per day
platform Design scalable UI solutions aligned to API-first backend services Establish reusable components, UI standards and enterprise design systems Define integration approaches with RESTful and event-driven services Ensure performance, security, and responsiveness across web applications Embed CI/CD, testing, and DevOps best practices within frontend teams Support ...

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 ...

Senior Developer - IAM

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day
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 ...

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 ...

Scrum Master (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
Birmingham, West Midlands (County), United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day 450-475/day (Outside IR35)
Improvement: track delivery using DORA metrics + software engineering KPIs, monitor pipeline performance, defect rates + service reliability. Technical Expertise: Java, Spring Boot, Microservices, RESTful APIs, AWS Cloud (EC2, Lambda, S3, IAM, CloudWatch), CI/CD for Java applications (Jenkins, GitHub), Docker, ECS, EKS. Advantageous Skills: Scrum/AWS/ ...

Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £525 per day
backend development experience using PHP and Laravel Strong frontend development experience with modern JavaScript frameworks Advanced knowledge of JavaScript (ES6+) Experience building and consuming RESTful APIs Strong understanding of software architecture and distributed systems Experience working within microservices environments Strong knowledge of MySQL and NoSQL databases such as MongoDB ...

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 ...

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 ...

Backend Software Engineer

Hiring Organisation
Harvey Nash
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £480 per day
below: Particular working experience with Java 8+ Experience in using Spring/Spring Boot frameworks Experience in designing and developing RESTful microservices Experience writing unit and integration tests Experience with CI/CD, including build tools (Jenkins, Groovy/Gradle, Maven, etc) Experience with AWS, Docker containers & associated tooling General ...

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 Developer

Hiring Organisation
Stealth IT Consulting Limited
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Contract
Contract Rate
£425 per day Inside IR35
high-quality software solutions that support critical public services. Key Responsibilities Design, develop and maintain Java-based applications Build and support microservices architectures Develop RESTful APIs and Back End services Collaborate with architects, developers, testers and product teams Participate in Agile ceremonies and contribute to continuous improvement Produce clean, maintainable ...