Contract RESTful Jobs in the UK

1 to 25 of 59 Contract RESTful Jobs in the UK

Lead Fullstack Software Engineer

Manchester, Lancashire, England, United Kingdom
Become
Java, Spring Boot, and Angular. Collaborate with cross-functional teams to deliver seamless end-to-end features, from user interfaces to backend services and database integration. Develop and consume RESTful APIs, contributing to our microservices-based and modular front-end architecture. Uphold high standards for code quality, performance, testing, and security. Participate actively in Agile ceremonies, code reviews, and continuous More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

AI Solution Architect (AI Agents, Retail / eCommerce)

Central London, London, United Kingdom
Hybrid / WFH Options
Staffworx Limited
based deployments, and integrating AI services into enterprise applications. Key Responsibilities: Architect and design AI-powered agent solutions that integrate with enterprise systems and cloud platforms. Develop and optimize RESTful and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. Implement Full Stack JavaScript (Node.js, React.js More ❯
Employment Type: Contract, Work From Home
Posted:

Software Engineer

Sheffield, South Yorkshire, United Kingdom
Hybrid / WFH Options
Experis
of: Public Cloud. Infrastructure build and configurations of a variety of services including Compute, Storage, Networking. Linux. Relational and NoSQL databases. Integration services such as messaging and streams. Building RESTful API Services. Containerisation, Kubernetes, serverless functions. Microservices, and distributed tracing. Enterprise logging, monitoring, and alerting frameworks (e.g., ELK, Splunk, Prometheus, Grafana). Automation scripting (using scripting languages such as Terraform More ❯
Employment Type: Contract
Rate: £395 - £430/day
Posted:

Python Technical Architect

Bradford, West Yorkshire, Yorkshire, United Kingdom
LA International Computer Consultants Ltd
updated. Key Skills & Experience: * Solid experience in software development, with deep experience in Python. * Expertise in Python frameworks like Django, Flask or FastAPI. * Strong understanding of microservices architecture and RESTful APIs. * Proficient in relational and NoSQL databases (e.g., PostgreSQL, MongoDB). * Hands-on experience with cloud platforms (AWS, Azure, or GCP). * Familiarity with containerization (Docker, Kubernetes). * Knowledge of More ❯
Employment Type: Contract
Posted:

ServiceNow Consultant - London Market, Insurance, Contract

City of London, London, United Kingdom
Hybrid / WFH Options
Hanson Lee Resourcing Ltd
of designing and implementing complex IT systems and architectures. Strong understanding of cloud platforms (e.g., AWS, Azure). Experience in applying enterprise integration strategies w.r.t ServiceNow platform. Knowledge of RESTful APIs and experience in building and consuming them using ServiceNow. In-depth knowledge of IT governance, cybersecurity, and compliance standards. Hands-on experience with Agile and DevOps methodologies. Exceptional problem More ❯
Employment Type: Contract, Work From Home
Rate: Up to £600 per day
Posted:

Senior Golang Engineer

London, United Kingdom
Hybrid / WFH Options
Salt
resilient Back End solutions Essential Skills: 6-9 years of Back End engineering experience Strong coding skills in Golang (preferred), Java, or another typed language Hands-on experience with RESTful APIs , microservices architecture , and NoSQL/Postgres Familiarity with CI/CD tools such as Jenkins and Git Clear communicator with strong teamwork and problem-solving skills Desirable Skills: Experience More ❯
Employment Type: Contract
Rate: GBP 330 - 350 Daily
Posted:

Senior Golang Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Salt Search
innovative and resilient backend solutions Essential Skills: 6-9 years of backend engineering experience Strong coding skills in Golang (preferred), Java, or another typed language Hands-on experience with RESTful APIs , microservices architecture , and NoSQL/Postgres Familiarity with CI/CD tools such as Jenkins and Git Clear communicator with strong teamwork and problem-solving skills Desirable Skills: Experience More ❯
Employment Type: Contractor
Rate: £330 - £350 per day
Posted:

ML & AI Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
Face). You have a solid background in MLOps: experiment tracking, CI/CD for ML, model versioning, deployment, and monitoring. You've built scalable backend systems and APIs (RESTful/GraphQL), with solid experience in microservices and databases (SQL/NoSQL). You know your way around big data tools (Spark, Dask) and orchestration (Airflow, DBT). You understand More ❯
Employment Type: Contractor
Rate: £400 - £500 per day
Posted:

Senior Backend Developer

London, United Kingdom
Hybrid / WFH Options
Rullion - Eon
Security teams. Knowledge and Skills: Demonstrated expertise as a Mid or Senior Software Engineer. 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 with emerging technologies and More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Senior Backend Developer

City of London, London, Farringdon, United Kingdom
Hybrid / WFH Options
Rullion - Eon
Security teams. Knowledge and Skills: * Demonstrated expertise as a Mid or Senior Software Engineer. * 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 with emerging technologies and More ❯
Employment Type: Contract
Posted:

Full Stack Developer

Glasgow, Lanarkshire, Scotland, United Kingdom
FDM Group
the finance sector (banks, fintechs, investment firms, etc.) Proficiency in front-end technologies Strong back-end experience with languages Experience working with relational databases (e.g., PostgreSQL, MySQL) and APIs (RESTful and/or GraphQL) Familiarity with CI/CD pipelines and cloud platforms (AWS, Azure, or GCP) Strong understanding of financial systems, data integrity, and security best practices Understanding of More ❯
Employment Type: Contractor
Rate: £45,000 - £55,000 per annum
Posted:

Java Developer

Portsmouth, Hampshire, South East, United Kingdom
Yolk Recruitment
testing frameworks Write clean, maintainable, and well-documented code Work closely with internal and external stakeholders Essential Skills & Experience Java (version 8+) Spring Boot and Spring Framework (inc. Hibernate) RESTful APIs over HTTPS Microservices and distributed systems Agile development (Scrum) CI/CD pipelines Git and Jira (or similar tools) UML or SysML using Enterprise Architect or equivalent Strong communication More ❯
Employment Type: Contract
Rate: £50 - £55 per hour + INSIDE IR35
Posted:

Python Developer

London, Farringdon, United Kingdom
Hybrid / WFH Options
Rullion - Eon
Security teams. Knowledge and Skills: Demonstrated expertise as a Mid or Senior Software Engineer. 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 with emerging technologies and More ❯
Employment Type: Contract
Posted:

MuleSoft Application Architect

United Kingdom
LA International Computer Consultants Ltd
performance integration solutions using MuleSoft, Camel, and RabbitMQ. * Define reusable patterns and integration frameworks based on EIP (Enterprise Integration Patterns). * Lead API and messaging solution designs adhering to RESTful/SOAP standards and AMQP best practices. * Design and implement event-driven architectures, pub-sub models, and asynchronous message flows. Development & Implementation. * Build and maintain Mule flows, subflows, and message More ❯
Employment Type: Contract
Rate: £60 - £65 per hour + negotiable
Posted:

Java Software Engineer - Remote - 6 months - Must Have AI Experience

United Kingdom
Hybrid / WFH Options
Stealth IT Consulting Limited
and technical documentation Essential Skills & Experience Strong commercial experience in Java (8+) and Node.js Experience working in agile, multidisciplinary teams in a government or large enterprise environment Proficiency in RESTful API development and integration Experience with CI/CD pipelines and version control systems (eg Git) Familiarity with cloud platforms (preferably AWS or Azure) Solid understanding of software engineering principles More ❯
Employment Type: Contract
Rate: £538 per day 538 Inside IR35
Posted:

Senior Backend Engineer - Golang

London, United Kingdom
Korn Ferry
a Back End engineer with strong proficiency in Golang . Previous work experience in the banking sector or on commercial lending platforms is essential. Solid understanding of microservices architecture , RESTful API development, and distributed systems. Familiarity with cloud platforms such as AWS, GCP, or Azure. Good knowledge of containerisation and orchestration tools (Docker, Kubernetes). Experience working with relational and More ❯
Employment Type: Contract
Rate: GBP 500 Annual
Posted:

Software Engineer

London, South East, England, United Kingdom
Lorien
repositories, bug tracking tools, and wikis using Gitlab, Endevor, JIRA, and Confluence. Implement DevOps and Agile methodologies, including CI/CD practices with Jenkins. Develop and integrate SOA and Restful APIs. Required Skillsets: Experience with ZOS Connect EE, DB2 Rest, and CICS web services. Proficiency in development tools like FileAid, Xpeditor, IBM Explorer for ZOS API, and Visual Studio. Strong … repositories, bug tracking tools, and wikis (Gitlab, Endevor, JIRA, Confluence). Familiarity with DevOps and Agile methodologies, including CI/CD practices and Jenkins. Comprehensive understanding of SOA and Restful APIs. Desirable Skillsets: Java skill set with a strong foundation in OOP and functional programming (Java 8+). Familiarity with Spring Boot's annotations, configuration, and deployment. Experience in Restful More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

API Integration Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
work will make a direct impact by enabling clients to use automated HR and Payroll processes efficiently. Responsibilities and Duties: API Solution Design & Development Architect and implement secure, scalable RESTful APIs to integrate Employment Hero with external platforms Implement OAuth 2.0 and token-based authentication for API access. Manage the API lifecycle including testing, deployment, version control, logging, and monitoring. … workshops, contribute technical insight, and support user acceptance testing Deliver training, handover materials, and ongoing technical documentation.Share best practices and contribute to continuous improvement. About you: Experienced in developing RESTful APIs and implementing OAuth 2.0 authentication. Skilled in Python (preferably FastAPI), Git, SQL, and cloud services like Microsoft Azure. Familiar with technologies such as: Airbyte, Rivery and Hevo Familiar with More ❯
Employment Type: Contractor
Rate: £300 - £400 per day
Posted:

API Integration Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
work will make a direct impact by enabling clients to use automated HR and Payroll processes efficiently. Responsibilities and Duties: API Solution Design & Development Architect and implement secure, scalable RESTful APIs to integrate Employment Hero with external platforms Implement OAuth 2.0 and token-based authentication for API access. Manage the API lifecycle including testing, deployment, version control, logging, and monitoring. … workshops, contribute technical insight, and support user acceptance testing Deliver training, handover materials, and ongoing technical documentation.Share best practices and contribute to continuous improvement. About you: Experienced in developing RESTful APIs and implementing OAuth 2.0 authentication. Skilled in Python (preferably FastAPI), Git, SQL, and cloud services like Microsoft Azure. Familiar with technologies such as: Airbyte, Rivery and Hevo Familiar with More ❯
Employment Type: Contract
Rate: £300 - £400/day
Posted:

Front-End App Developer - Glasgow

Glasgow, Lanarkshire, Scotland, United Kingdom
Lorien
as possible: Experience of modern JavaScript practices and industry standards regarding front-end technologies Commercial experience with React, Typescript, NodeJS, Redux, HTML5, CSS3, Webpack, React Testing Library Experience with RESTful APIs Experience writing unit and integration tests Experience with CI/CD (e.g. Jenkins), including build and package management tools General knowledge - Experience in most or all of the following More ❯
Employment Type: Contractor
Rate: £400 - £490 per day
Posted:

Senior Full-Stack Ruby Developer

London, United Kingdom
Hybrid / WFH Options
SR2
Experience: Extensive experience in building complex web applications using Ruby on Rails. Particularly beneficial if you have experience working on SaaS platforms. Deep understanding of API integrations , such as RESTful APIs, OAuth, and webhook. Will also require extensive knowledge of GraphQL and ApolloDB Confident in background job processing (Sidekiq/Resque) and asynchronous services. Exposure to containerisation such as Docker More ❯
Employment Type: Contract
Rate: £600/day
Posted:

Android Developer

Enderby, Leicestershire, United Kingdom
Uniting Ambition
order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience in greenfield/rebuild projects from scratch Confident troubleshooting and performance optimisation skills Experience with RESTful APIs, TDD, Unit Testing and Automation Agile (SCRUM) background Solid DevOps knowledge: CI/CD with Git and Azure DevOps Comfortable in fast-paced, collaborative environments Android Developer More ❯
Employment Type: Contract
Rate: GBP 450 - 540 Daily
Posted:

Android Developer

Leicester, Enderby, Leicestershire, United Kingdom
Uniting Ambition
order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience in greenfield/rebuild projects from scratch Confident troubleshooting and performance optimisation skills Experience with RESTful APIs, TDD, Unit Testing and Automation Agile (SCRUM) background Solid DevOps knowledge: CI/CD with Git and Azure DevOps Comfortable in fast-paced, collaborative environments Android Developer More ❯
Employment Type: Contract
Rate: £450 - £540/day
Posted:

Automation Tester

London, South East, England, United Kingdom
Hybrid / WFH Options
Lorien
Java fundamentals. Hands-on experience with framework development and maintenance. Experience with tools such as Selenium, UiPath, Cypress, JUnit. Strong understanding of QA methodologies, tools, and processes. Experience with RESTful API testing (e.g., Postman, REST Assured). Familiarity with CI/CD tools (e.g., Jenkins, GitHub Actions, GitLab CI). Attention to detail and strong problem-solving skills. Understanding of More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Android Developer

Leicester, Leicestershire, East Midlands, United Kingdom
VIQU IT Recruitment
working on similar projects, having re-written Android applications in the past from the ground up Ability to troubleshoot and resolve technical issues, as well as optimising application performance Restful APIs integration TDD, Unit Testing, Automated Testing Agile (SCRUM) CI/CD, integration and delivery using Git & Azure DevOps Adaptability and flexibility to work in a fast-paced environment Role More ❯
Employment Type: Contract
Rate: £450 - 475 per day + Outside IR35
Posted:
RESTful
10th Percentile
£325
25th Percentile
£400
Median
£475
75th Percentile
£567
90th Percentile
£675