1 to 25 of 29 Remote/Hybrid Contract RESTful Jobs

Senior Software Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Postman, Selenium, JMeter, etc. Experience with Kubernetes and cloud infrastructure (GCP/AWS/Azure). Knowledge and experience of event-driven microservice architectures, RESTful APIs, message queues, and familiarity with RabbitMQ and Kafka. Previous responsibility for design and architecture of complex web systems, and experience and willingness to coach ...

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 ...

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 ...

Senior Solution Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Spring Boot and/or similar languages (Go, Java Script). Expert experience with API First approach and API standards (REST, JSON, patterns & practices, RESTful API design). Expert experience with API technology (API gateways) and API security (authentication/authorisation/identity providers). Excellent communication skills ...

Senior Software Engineer

Hiring Organisation
Pontoon
Location
Warwickshire, United Kingdom
Employment Type
Contract
Ensure security, compliance, and observability standards are embedded into solutions. About You Deep expertise in C#/.NET Core, microservices, event-driven architectures, and RESTful APIs. Extensive experience with Azure Cloud Services, including Entra, AppInsights, and identity/authentication frameworks. Hands-on experience with CI/CD pipelines, DevOps practices ...

Senior Back-End Developer – Java

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £800 per day
using Angular and TypeScript/Java ensuring an exceptional user experience • Ensure seamless integration and communication between front-end and back-end components • Create RESTFul APIs (gRPC) to enable smooth communication between microservices and external systems • Conduct regular code reviews, unit testing, CI and maintain high code quality and reliability ...

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 ...

Senior Azure API Engineer

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
delight users What You Bring Essential: 10+ years software development, including 3+ years hands-on Azure Deep expertise in Azure API Management Strong OpenAPI, RESTful API design, and security protocols (OAuth 2.0, JWT, TLS) Proficiency in Node.js/Java/C# and modern integration patterns Experience with CI/ ...

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 ...

Software Developer (Java)

Hiring Organisation
IO Associates
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£51 - £55 per hour + (Via Umbrella)
with internal and external stakeholders Required Skills & Experience: Strong experience with Java (8+) Good knowledge of Spring Boot, Spring Framework, and Hibernate Experience building RESTful services over HTTPS Hands-on experience with microservices architectures Understanding of distributed systems Knowledge of software design patterns Experience working within Agile development frameworks Familiarity ...

Contract Frontend Software Engineer

Hiring Organisation
Fruition Group
Location
United Kingdom
Employment Type
Contract, Work From Home
critical-thinking mindset Ability to collaborate effectively with multidisciplinary teams Desirable: Demonstrated ability to build responsive, performant UI components and applications Strong understanding of RESTful APIs and frontend integration patterns Good understanding of cross-browser compatibility and responsive design principles We are an equal opportunities employer and welcome applications from ...

Contract Frontend Software Engineer

Hiring Organisation
Fruition Group
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
critical-thinking mindset Ability to collaborate effectively with multidisciplinary teams Desirable: Demonstrated ability to build responsive, performant UI components and applications Strong understanding of RESTful APIs and frontend integration patterns Good understanding of cross-browser compatibility and responsive design principles We are an equal opportunities employer and welcome applications from ...

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 ...

Prompt Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
complex workflows (reasoning, planning, tool use, and validation). Build LLM-powered features on Azure (e.g., Azure OpenAI, Azure Functions). Utilize and manage RESTful APIs/SDKs to integrate model calls within web services, back-end jobs, and enterprise applications. Design and implement RAG pipelines (chunking, embeddings, indexing, ranking ...

Senior Salesforce Developer

Hiring Organisation
Atrium Global
Location
Chesterfield, Derbyshire, East Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
Inside IR35) Sector: Banking Key Skills & Experience Salesforce +5 years experience AND/OR React Native (Web) +5 years Java +5 years TDD, BDD RESTful API design & build OAS/YAML Unit Testing GitLab CI/CD Pipelines Agile practitioner, SonarQube, Veracode, Jira, Confluence Banking/Financial services background ideally ...

Scala Developer - Remote Contract - Immediate Start

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£380 per day £380 per day (Inside IR35)
remote contract role with an immediate start. Key Responsibilities Design, develop, and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write clean, idiomatic Scala code and apply functional programming principles where appropriate. Develop ...

AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Unspecified Day Rate Negotiable depending on experience. Outside IR35.
Argo CD. Preferred/Bonus Research experience in edge AI or constrained/offline deployments. MLOps experience (Sagemaker, Kubeflow, ZenML). Experience building RESTful services around AI pipelines. ISO 27001, NIST SSDF, OWASP SAMM, or GDPR compliance literacy. Experience with AWS Karpenter, Prometheus, or similar observability stacks. Soft Skills Research ...

Salesforce & React Native Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Inside IR35) Sector: Banking Key Skills & Experience Salesforce +5 years experience AND OR React Native (Web) +5 years Java +5 years TDD, BDD RESTful API design & build OAS/YAML Unit Testing GitLab CI/CD Pipelines Agile practitioner, SonarQube, Veracode, Jira, Confluence Banking/Financial services background ideally Please ...

Salesforce &/ React Native Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Inside IR35) Sector: Banking Key Skills & Experience Salesforce +5 years experience AND/OR React Native (Web) +5 years Java +5 years TDD, BDD RESTful API design & build OAS/YAML Unit Testing GitLab CI/CD Pipelines Agile practitioner, SonarQube, Veracode, Jira, Confluence Banking/Financial services background ideally ...

Back End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£520.00 - £570 per day
best-practice engineering standards Must-Have Skills Strong commercial experience with Java Hands-on experience with Kafka in production environments Experience building and consuming RESTful APIs Solid understanding of backend engineering principles Nice-to-Have Skills Spring ecosystem (Spring Framework, Spring Boot, Spring Data) Postgres or other relational databases OpenSearch ...

ForgeRock and Ping AIC Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Leamington Spa, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
Integration Integrate ForgeRock and PingOne AIC with a wide range of applications, including web applications, mobile apps, APIs, and SaaS services. Develop and consume RESTful APIs for IAM functionalities. Troubleshoot integration issues and work with application teams to ensure seamless identity management. Your Profile Essential Skills/Knowledge/Experience ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/SQL deployment, disaster recovery … sign-on technologies would be useful Both back and front end development will be required. Back end requires: C#, .Net Framework 8.0 (or newer), Restful APIs, LINQ, Visual Studio, Azure DevOps, IIS, SQL Server, including T-SQL, Schema Design, Performance Tuning. Front end requires: React (JavaScript Framework), CSS, JSON, Swagger ...

Arcus Software Developer

Hiring Organisation
Develop
Location
United Kingdom
Employment Type
Contract, Work From Home
platform Build and support Arcus-Salesforce integrations, including APIs and data flows Customize and extend Arcus functionality to meet business requirements Develop and maintain RESTful APIs and backend services Collaborate with Salesforce developers, architects, and business stakeholders Troubleshoot and resolve issues across Arcus and Salesforce environments Participate in technical design ...

Full Stack Engineer

Hiring Organisation
Adept Resourcing
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£525/day
production-grade code in a modern Java + React stack Building and supporting microservices-based architectures that are already live Designing, building and deploying RESTful APIs at scale Shipping changes to production frequently and safely Working closely with architects, product and global engineering teams Spotting risks early, removing blockers … real-world applications Hands-on delivery within a microservices architecture Experience deploying to production at a high cadence Proven experience building and consuming RESTful APIs Schema design and database experience with PostgreSQL Nice to have Containers and orchestration (Docker, Kubernetes) Exposure to GCP Experience in banking or financial services ...

Mainframe Developer (6-Month Contract) - London (Hybrid)

Hiring Organisation
Hamilton Barnes
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 430 Daily
REST interfaces within a dynamic hybrid working environment. The ideal candidate will have strong experience with CICS web services, SOAP, WSDL, JSON, and RESTful APIs, and be comfortable working in an Agile/DevOps environment using modern toolsets. Key Responsibilities Design, develop, and maintain CICS web services and ZOS Connect … such as FileAid, Xpediter, IBM Explorer for ZOS, and Visual Studio. Develop and maintain APIs using SOAP, WSDL, and JSON, ensuring robust SOA and RESTful service integration. Collaborate using code repositories, bug tracking tools, and wikis (GitLab, Endevor, JIRA, Confluence). Implement security integration patterns including Basic Authentication, Client Authentication ...