1 to 25 of 41 Contract RESTful Jobs in the UK

Lead React Developer

Hiring Organisation
Response Informatics
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract
with at least 3+ years inReact.js. Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and TypeScript. Experience with Redux,ReactHooks, and Context API. Familiarity with RESTful APIs, GraphQL, and microservices architecture. Hands-on experience with Webpack, Babel, and modern build tools. Knowledge of unit testing frameworks (Jest,ReactTesting Library). Exposure ...

Net Software Engineer

Hiring Organisation
Brio Digital
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
TypeScript Strong experience with Microsoft Azure (App Services, Azure Functions, Azure DevOps, etc.) Exposure to healthcare, NHS, or data integration environments Understanding of RESTful APIs , microservices , and unit testing Experience with Git , Azure DevOps Pipelines , and agile delivery practices Strong problem-solving and communication skills Nice-to-Have Knowledge ...

ReactJS Developer - Knutsford, Cheshire and remote - 3 months+

Hiring Organisation
Octopus Computer Associates
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Experience Strong proficiency in React.js, JavaScript (ES6+), TypeScript, HTML5, and CSS3. Experience with state management (Redux/MobX) and component-based development. Familiarity with RESTful APIs, JSON, and integration with Back End services. Knowledge of web performance optimization, security standards, and responsive design. Excellent problem-solving and communication skills. Preferred ...

Java Developer

Hiring Organisation
Adroit People Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
Experience in designing microservices, developing, and deploying microservices. Strong knowledge of Spring Boot, Spring Cloud, and other Spring components. Expertise in building and consuming RESTful microservice Experience with SQL and NoSQL databases, PostgreSQL Strong knowledge on cloud services such as AWS Proficiency in Docker and Kubernetes for container orchestration. Strong ...

Full Stack Developer

Hiring Organisation
DCV Technologies Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract
agile environment. Key Responsibilities Design and develop full stack applications using Angular (12+), TypeScript, Java 8+ and Spring Boot Build and integrate RESTful APIs and microservices Develop AWS serverless solutions (Lambda, Step Functions, DynamoDB, S3) Apply TDD and automated testing (Jest, Jasmine, Playwright) Work closely with Product Owners and business ...

Security Cleared Python Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
Required Skills & Experience Strong commercial experience with Python Experience building and maintaining production-grade applications Solid understanding of software development best practices Experience with RESTful APIs and backend services Familiarity with version control systems (e.g. Git) Strong problem-solving and communication skills Ability to work independently in a remote-first ...

Back End Developer

Hiring Organisation
Pontoon
Location
Warwick, Warwickshire, United Kingdom
Employment Type
Contract
understanding of server-side programming languages (Java, Python, Node.js, Ruby). Familiarity with database management systems (MySQL, PostgreSQL, MongoDB) and data modeling. Knowledge of RESTful APIs, microservices architecture, and version control systems (Git). Excellent problem-solving skills and ability to thrive in a team-oriented environment. Strong communication skills ...

Developer

Hiring Organisation
InfinityQuest Ltd,
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Build policy-based orchestration workflows for adaptive authentication and context-aware access using industry standards (like OPA). API Development Design, build, and secure RESTful APIs and backend services supporting identity, provisioning, and governance workflows. Integrate APIs with our new authentication service for token validation, user sessions, and application-level ...

Technical Architect

Hiring Organisation
RCRTR
Location
Swansea, City and County of Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £500/day
designs, architectural patterns, and technical specifications. Architect Java-based services using frameworks such as Spring/Spring Boot. Create robust, well-governed API architectures (RESTful, event-driven, synchronous/asynchronous). Lead the design of distributed microservices, ensuring scalability, resilience, observability, and maintainability. Apply schema-driven design principles (e.g., JSON ...

ColdFusion Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Contract
that support major brands. ColdFusion Developer Responsibilities Develop, maintain, and optimise ColdFusion/CFML applications across customer-facing and internal platforms. Build and consume RESTful APIs to integrate with new services and modern architecture components. Collaborate with product, engineering, and QA teams to deliver secure, scalable solutions. Support the migration ...

Senior Full Stack Engineer

Hiring Organisation
InfinityQuest Ltd,
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Experience leading teams to deliver change to production at high cadence. Experience in good CI/CD practice and development. Experience designing and delivering RESTful APIs to production. Extensive experience writing schemas for and working with PostgreSQL databases. You should also have experience with one or more of the following ...

Application Developer

Hiring Organisation
VANLOQ LIMITED
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
services in a fast-paced, regulated environment. Key Responsibilities Design and implement identity lifecycle workflows covering provisioning, de-provisioning, and orchestration Build secure, scalable RESTful APIs supporting identity, access, and governance use cases Integrate APIs with authentication and token services using OAuth2, OIDC, JWT, and federation standards Develop event-driven ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
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 ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling ...

Java Developer

Hiring Organisation
Adroit People Ltd
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
Experience in designing microservices, developing, and deploying microservices. Strong knowledge of Spring Boot, Spring Cloud, and other Spring components. Expertise in building and consuming RESTful microservice Experience with SQL and NoSQL databases, PostgreSQL Strong knowledge on cloud services such as AWS Proficiency in Docker and Kubernetes for con click apply ...

Back end Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
colleague experiences and AI features. 6 month contract uk wide hybrid Core skills Java, Spring Boot, Spring Data/JPA (Hibernate), PostgreSQL. Eventing: Kafka; RESTful APIs (GraphQL a plus). Security: OAuth2/OIDC, secrets management, secure coding. CI/CD and containerisation: Docker; deploy to AWS and/ ...

Senior Software Engineer Backend

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
services client is seeking a Senior Software Engineer and help shape their cybersecurity in a fast-paced, global environment. Key Responsibilities: Design and maintain RESTful APIs and microservices using Node.js and NestJS. Build and automate AWS infrastructure with Terraform or CloudFormation. Develop and enhance CI/CD pipelines for microservice ...

Full Stack Engineer

Hiring Organisation
InfinityQuest Ltd,
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 per day
developing and deploying backend applications. Experience delivering in code in a microservice architecture. Experience regularly delivering change to production at high cadence. Experience delivering RESTful APIs to production. Previous experience writing schemas for and working with PostgreSQL databases. You should also have experience with one or more of the following ...

Full Stack Engineer (Java / ReactJS)

Hiring Organisation
Adept Resourcing
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £525/day
Front-end development using ReactJS Experience delivering solutions within a microservices architecture Regular delivery of changes to production at high cadence Building and delivering RESTful APIs to production Experience designing schemas and working with PostgreSQL databases Desirable Experience Containers and orchestration technologies (Docker, Kubernetes) and exposure to GCP Previous experience ...

Python/ Django Developer

Hiring Organisation
Morgan Hunt Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
expertise in PostgreSQL database design, optimisation, and management. Experience in maintaining, refactoring, or migrating legacy systems. Solid understanding of server-side application architecture and RESTful APIs. Familiarity with Git, CI/CD pipelines, and cloud platforms (e.g., AWS, Azure, GCP). Excellent problem-solving skills and ability to work ...

Back-End developer (python and GCP) - hybrid London - £525 inside IR35

Hiring Organisation
Exalto Consulting
Location
United Kingdom, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day £525 inside IR35
JavaScript frameworks •Experience with frontend technologies including React •Strong experience deploying and managing applications on Google Cloud Platform (GCP) •Proficiency in designing and integrating RESTful APIs •Demonstrated ability to implement automated testing strategies (unit, integration, regression) •Knowledge of security best practice, role and permission management, and data protection •Experience optimising ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £720 per day
strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication skills ...

SRE Engineer (Enhanced DV)

Hiring Organisation
PS Computer Services Ltd t/a Parker Shaw
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day inside IR35
part of a new multi-year project. We don't yet have a full job spec but the requested skills are: APEX SQL PLSQL RESTful integrations API Of further benefit: AWS Python/Node.js/Java React/Vue CI/CD IaC (Terraform/CDK) GIT If you hold ...

Back End Integration Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per day + Inside IR35
observability. Back End Integration Engineer's Skills & Experience Proven experience designing and building APIs, services and system integrations. Strong understanding of integration patterns, including RESTful APIs, messaging, event-driven architectures and orchestration. Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid and Azure Functions. Proficiency ...

Back End Integration Engineer

Hiring Organisation
VIQU IT
Location
London, Broad Street, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Inside IR35
observability. Back End Integration Engineer’s Skills & Experience Proven experience designing and building APIs, services and system integrations. Strong understanding of integration patterns, including RESTful APIs, messaging, event-driven architectures and orchestration. Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid and Azure Functions. Proficiency ...