Contract RESTful Job Vacancies

26 to 42 of 42 Contract RESTful Jobs

Senior Java Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Hays Specialist Recruitment Limited
Extensive development experience with Java 17+ within financial services - mandatory. Expertise in distributed programming with distributed cache/data grids. Strong cloud experience, ideally with AWS. Extensive experience with RESTful services and microservices. Strong knowledge of relational databases. What you'll get in return Initial 12-month contract with extensions. Up to £900pd umbrella. Flexible London-based hybrid working. What More ❯
Employment Type: Contractor
Rate: £800 - £900 per day
Posted:

Integration Engineer

Nationwide, United Kingdom
Hybrid / WFH Options
Charles Simon Associates Ltd
Mirth Connect, Rhapsody, Cloverleaf, InterSystems Ensemble, or equivalent). Map and transform HL7 v2.x messages (e.g., ADT, ORM, ORU) and support HL7 v3. Build and maintain modern FHIR-based RESTful APIs for healthcare data exchange. Troubleshoot, monitor, and optimise live interfaces in production environments. Collaborate with clinicians, vendors, and IT teams to gather requirements and translate them into technical solutions. More ❯
Employment Type: Contract
Rate: £450 - £550/day
Posted:

Integration Engineer

M2, Manchester, United Kingdom
Hybrid / WFH Options
Charles Simon Associates Ltd
Mirth Connect, Rhapsody, Cloverleaf, InterSystems Ensemble, or equivalent). Map and transform HL7 v2.x messages (e.g., ADT, ORM, ORU) and support HL7 v3. Build and maintain modern FHIR-based RESTful APIs for healthcare data exchange. Troubleshoot, monitor, and optimise live interfaces in production environments. Collaborate with clinicians, vendors, and IT teams to gather requirements and translate them into technical solutions. More ❯
Employment Type: Contract
Rate: £450 - £550/day
Posted:

Integration Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Charles Simon Associates Ltd
Mirth Connect, Rhapsody, Cloverleaf, InterSystems Ensemble, or equivalent). Map and transform HL7 v2.x messages (e.g., ADT, ORM, ORU) and support HL7 v3. Build and maintain modern FHIR-based RESTful APIs for healthcare data exchange. Troubleshoot, monitor, and optimise live interfaces in production environments. Collaborate with clinicians, vendors, and IT teams to gather requirements and translate them into technical solutions. More ❯
Employment Type: Contractor
Rate: £450 - £550 per day
Posted:

Integration Engineer

EC1A, Farringdon, Greater London, United Kingdom
Hybrid / WFH Options
Charles Simon Associates Ltd
Mirth Connect, Rhapsody, Cloverleaf, InterSystems Ensemble, or equivalent). Map and transform HL7 v2.x messages (e.g., ADT, ORM, ORU) and support HL7 v3. Build and maintain modern FHIR-based RESTful APIs for healthcare data exchange. Troubleshoot, monitor, and optimise live interfaces in production environments. Collaborate with clinicians, vendors, and IT teams to gather requirements and translate them into technical solutions. More ❯
Employment Type: Contract
Rate: £450 - £550/day
Posted:

Integration Engineer

B1, Birmingham, West Midlands (County), United Kingdom
Hybrid / WFH Options
Charles Simon Associates Ltd
Mirth Connect, Rhapsody, Cloverleaf, InterSystems Ensemble, or equivalent). Map and transform HL7 v2.x messages (e.g., ADT, ORM, ORU) and support HL7 v3. Build and maintain modern FHIR-based RESTful APIs for healthcare data exchange. Troubleshoot, monitor, and optimise live interfaces in production environments. Collaborate with clinicians, vendors, and IT teams to gather requirements and translate them into technical solutions. More ❯
Employment Type: Contract
Rate: £450 - £550/day
Posted:

BluePrism Automation Developer

London, United Kingdom
Experis IT
Key Responsibilities: Design, develop, test, and deploy automation workflows using Blue Prism. Collaborate with stakeholders to gather requirements and translate them into automation solutions. Integrate automations with Power Automate, RESTful APIs, and other enterprise systems. Ensure solutions are scalable, maintainable, and aligned with best practices. Maintain documentation and support handover to operations. Report progress and blockers to the Automation Lead More ❯
Employment Type: Contract
Rate: GBP 500 - 550 Daily
Posted:

Mobile Android & iOS Engineer

South West London, London, United Kingdom
Hybrid / WFH Options
167 Solutions Ltd
/or Android). Proficiency in Swift (iOS) and/or Kotlin/Java (Android) . Experience with Xcode, Android Studio, UIKit, Jetpack, and mobile SDKs . Knowledge of RESTful APIs, WebSockets, and third-party libraries . Familiarity with mobile UI/UX best practices . Understanding of Agile/Scrum methodologies . Bonus if you have experience with: Cross More ❯
Employment Type: Contract, Work From Home
Rate: From £300 to £400 per day
Posted:

Software Engineer - NodeJS - Manchester

Manchester, Lancashire, England, United Kingdom
Opus Recruitment Solutions Ltd
a BPSS check Very Strong NodeJS Strong knowledge of Software Design Patterns Strong understanding and experience of Database technologies in particular Mongo DB? Strong understanding and experience of APIs, RESTful services and Microservice Architectures Good understanding of CI/CD and Gitlab Pipelines An understanding of AWS Infrastructure and Terraform More ❯
Employment Type: Contractor
Rate: £400 per day
Posted:

Technical Architect

Wokingham, Berkshire, South East, United Kingdom
Queen Square Recruitment Limited
lifecycle , including design, deployment, and enhancement. Hands-on experience building and updating integrations/APIs in Azure Integration . Programming proficiency: JavaScript, XSLT, C#, Liquid Templates . Expertise in RESTful & SOAP API design , APIM policy, and transformations. Skilled in API/Integration security protocols & best practices . Practical experience with Postman, API monitoring, and documentation tools . Knowledge of Open More ❯
Employment Type: Contract
Rate: £500 per day inside IR35
Posted:

iOS Developer x2

Leeds, Yorkshire, United Kingdom
iBSC
strong knowledge of UIKit and SwiftUI, Solid understanding of software architecture, including MVVM and design patterns, Comprehensive testing experience, including Unit, UI, and Snapshot testing, API integration expertise, especially RESTful services, Strong grasp of persistent storage mechanisms, concurrency, and memory management, Strong experience with CI/CD pipelines, version control (Git), and deployment processes. More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Technical Squad Lead - Braze Campaigns

London, United Kingdom
Infoplus Technologies UK Ltd
Content Cards o Custom Events & User Attributes o Liquid Templating for personalization o Braze SDKs & API integrations Strong knowledge of customer segmentation, data modelling, and journey personalization. Familiarity with RESTful APIs, JSON, and web technologies. Understanding of GDPR, CCPA, and compliance best practices. Excellent communication, analytical, and stakeholder management skills. Desirable Skills: Braze Certification (Certified Practitioner or Architect). Experience More ❯
Employment Type: Contract
Rate: GBP 550 Daily
Posted:

Android Developer - Hybrid - inside IR35

Nottingham, Nottinghamshire, United Kingdom
Hybrid / WFH Options
Adecco
the ground running, you'll need: Proficiency in Android Kotlin and experience with Jetpack components . A strong understanding of mobile app development principles and best practises. Familiarity with RESTful APIs to connect mobile applications to back-end services. A collaborative mindset and excellent problem-solving skills. Passion for learning and staying updated with the latest in tech! What's More ❯
Employment Type: Contract
Posted:

iOS/Android Developer

Scotland, United Kingdom
Provn Talent Solutions
Developer to support our client to build a high performance application. Key Skills: Experience in iOS (Swift) and/or Android (Kotlin) development. Solid understanding of mobile app architecture, RESTful APIs, and design patterns (MVVM, MVC, etc.). Experience with third-party libraries, SDKs, and frameworks. Strong problem-solving and debugging skills. Collaborate with designers, product managers, and Back End More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Java Developer

Farnborough, Hampshire, England, United Kingdom
FDM Group
and are eager to continuously learn and evolve with the latest technology trends. Responsibilities Design, develop, and maintain scalable applications using Java, Spring, and Spring Boot Develop and manage RESTful APIs for seamless system integrations Collaborate with DevOps teams to build and optimize CI/CD pipelines using Jenkins, Ansible, Sonar, and Nexus Manage code repositories and development workflows using … experience in Java, with hands-on experience in Spring and Spring Boot frameworks Experience in continuous integration and deployment tools, including Jenkins, Ansible, SonarQube, and Nexus Solid understanding of RESTful web services and API design principles Knowledge and practical use of secure development tools, particularly Vault Proficient in using GitHub for version control and IntelliJ IDEA as a development environment More ❯
Employment Type: Contractor
Rate: £50,000 per annum
Posted:

Senior Java Developer

Liverpool, Merseyside, England, United Kingdom
Hybrid / WFH Options
Hays Specialist Recruitment Limited
site in Liverpool, and is inside IR35 (via umbrella company). Key Responsibilities: Develop and maintain scalable Java backend services using Spring Boot and Spring Framework Build and test RESTful APIs using Postman and Swagger Collaborate with DevOps teams to support CI/CD pipelines Manage cookies and session handling effectively Write and maintain unit tests using JUnit Work with … front-end components using Thymeleaf and JSON What you'll need to succeed Essential Skills: Java (Core and Advanced) Government Digital Service standard Spring Boot & Spring Framework jQuery Thymeleaf RESTful API development and testing (Postman, Swagger) CI/CD pipelines and DevOps collaboration Cookies/session management Unit testing with JUnit Handling POJOs and mock data Desirable: Exposure to modern More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

IOS Developer (Swift)-London- Up to £350 p/d- OUTSIDE IR35

City, London, United Kingdom
Consol Partners
on clean architecture, security, and testing standards. Key Responsibilities: Build and maintain scalable iOS applications using Swift, SwiftUI, and Combine Design intuitive user interfaces with modern SwiftUI components Integrate RESTful APIs and manage advanced networking logic Implement iOS security best practices and support penetration testing Lead end-to-end delivery from requirements gathering to deployment Write and maintain unit and … cycles Required Skills: Strong experience with Swift, SwiftUI, and Combine Proven track record in iOS app development and deployment Deep understanding of iOS architecture and design patterns Experience with RESTful APIs, JSON, and Git-based version control Familiarity with CI/CD pipelines and GitLab workflows Strong grasp of iOS security protocols and regulatory compliance Excellent problem-solving, debugging, and More ❯
Employment Type: Contract
Rate: GBP 300 - 350 Daily
Posted:
RESTful
10th Percentile
£332
25th Percentile
£400
Median
£488
75th Percentile
£575
90th Percentile
£650