1 to 25 of 46 Remote/Hybrid Contract REST Jobs

Java Developer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
450-500/day (Outside IR35)
GOV.UK sector experience strongly preferred. Strong hands-on Java development expertise including: Java 17+, Spring Boot, Spring Data JPA, Spring Integration, Spring Batch, Microservices, REST, SOAP Web Services, JPA (Hibernate). Experience of developing Java solutions for large-scale integration projects including: microservices, web services, messaging + distributed systems. Connecting ...

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
Expert experience in Java & 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 ...

Principal Developer / Architect

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £620/day
distributed, cloud‑native, and data‑intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event‑driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker/Kubernetes ...

Technical Architect

Hiring Organisation
RCRTR
Location
Swansea, City and County of Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £500/day
record designing cloud-based applications on AWS. Strong hands-on background in Java, Spring Boot , and JVM-based service architectures. Deep experience with APIs (REST, event-driven, messaging), microservices, and distributed system design. Strong understanding of schema-driven design , using tools such as JSON Schema, OpenAPI, or AsyncAPI. Solid understanding ...

Full stack developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Warwick, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £480 to £500 per day
teams. Your Profile Essential Skills/Knowledge/Experience Front End Skills React (including good knowledge of hooks) SWR for working with external REST APIs Next.js Styled Components HTML, Modern JavaScript & CSS Jest Back End Skills C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Azure Data Factory (nice ...

Azure AI Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
automated document workflows. Implement RAG (Retrieval-Augmented Generation) architectures using Azure Search or vector databases. Integrate AI capabilities with enterprise systems through REST APIs, Azure Functions, Logic Apps, or Power Platform. Ensure adherence to security, data governance, and compliance standards, including data encryption, responsible AI, and regulated-industry guidelines. Develop ...

Mainframe Developer with CICS Webservices

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
Requirement (if hybrid): 2 3 days a week Key Skills Required Mainframes CICS Webservices Required Skills Experience working in ZOS Connect EE and DB2 REST, with extensive knowledge in CICS webservices. Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL ...

Backend Software Engineer

Hiring Organisation
Bruin Financial & Professional Services
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . ...

SC Cleared QA SDET

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
passion for quality. Preferred Qualifications Salesforce certifications (e.g., Salesforce Administrator, Platform App Builder) are a plus. Experience with API testing tools (Postman, REST Assured) is desirable. Understanding of enterprise-level integration testing. Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited ...

Senior Golang/Java Security Engineer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
software vulnerability types SAST, SCA, and DAST, including the strengths and weaknesses of each At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with ...

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
other security aspects of AI. Practical experience deploying LLM solutions on Azure (e.g., Azure OpenAI, Azure Functions, App Service, Key Vault). Proficiency with REST APIs and JSON; integrating LLM calls into applications/services using Python or C# (Node.js also acceptable). Working knowledge of embeddings, document chunking strategies ...

ACBS Developer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/Linux environments Familiarity with integration technologies (REST, SOAP, MQ) Version control tools (Git, Bitbucket ...

Application Security Engineer

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £650 per day
strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with CI/ ...

Moodle Developer

Hiring Organisation
Morgan Hunt Recruitment
Location
Gibbet Hill, Coventry, West Midlands, England, United Kingdom
Employment Type
Contractor
Contract Rate
£47,500 - £56,500 per annum
with PHP, CSS, JavaScript, NodeJS and jQuery (Python desirable). Solid understanding of Linux command line tools and system administration. Experience designing and implementing REST APIs . Familiarity with Agile development, version control best practice, continuous integration and test-driven development. Excellent communication skills with the ability to explain technical ...

Azure AI Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
controls) and completing architecture risk assessments. Proficiency in Python and/or C# for service integration, evaluation tooling, and adapters; solid understanding of REST APIs, JSON, and async patterns. Mode of working: Hybrid(3 days) Work locations: London, Tunbridge wells, Ipswich, Bolton ...

Azure Ai Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £650 to £700 per day
controls) and completing architecture risk assessments. Proficiency in Python and/or C# for service integration, evaluation tooling, and adapters; solid understanding of REST APIs, JSON, and async patterns. Desirable skills/knowledge/experience Experience with vector databases (Cosmos DB with vector search, Redis Enterprise, or Pinecone) and semantic ...

ServiceNow Developer GRC 12Month Contract Outside IR35 Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Developer , with a focus on GRC modules . Strong understanding of ServiceNow architecture and scripting (JavaScript, Glide API). Experience with ServiceNow integrations using REST/SOAP APIs. Knowledge of ITIL processes and risk/compliance frameworks. Ability to work in an Agile environment and manage multiple priorities. Excellent problem ...

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)
Strong understanding of functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query ...

Mobile App Developer (.NET MAUI)

Hiring Organisation
Matchtech
Location
Essex, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day
XAML Build and evolve user interfaces that align with established mobile UI patterns Collaborate with the backend team to define changes to supporting REST APIs Diagnose and resolve issues in live apps on iOS and Android Take responsibility for the build and submission process for the App Store and Google ...

Oracle Developer (local government)

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
solving, communication, and stakeholder management skills. Desirable: Knowledge of payroll, HR, or finance processes within local government. Exposure to integration tools such as OIC, REST/SOAP APIs, or middleware platforms. InterQuest Group is acting as an employment agency for this vacancy. InterQuest Group is an equal opportunities employer ...

Python+VueJS Developer - UK Remote Contract - Outside IR35

Hiring Organisation
Infused Solutions Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £420/day
with Python Solid frontend experience with Vue.js Experience working in a contract environment Comfortable working 100% remotely Based in the UK Desirable Experience with REST APIs Exposure to cloud platforms (AWS/Azure/GCP) Experience working in Agile teams What's On Offer £400 per day Outside IR35 ...

Power Automate Specialist / Automation Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £400 to £425 per day
integrating with Dynamics 365 (CE/CRM) and Dataverse. Solid understanding of Azure services: Logic Apps, Functions, APIM, Event Grid, Service Bus. Proficiency with REST APIs, JSON, OAuth, and Microsoft Graph. Experience with Power Apps, Power BI, and Power Platform ALM is beneficial. Familiarity with RPA best practices and process ...

Oracle Cloud Integrations Specialist

Hiring Organisation
Summer Browning Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£NEG Excellent Day Rates
experience connecting Oracle ERP and HCM through Oracle Integration Cloud Expert skills in developing and unit testing integration components and web services (SOAP/REST/JSON Payload) using OIC, Postman, and Curl Solid experience with PaaS Cloud system interfaces To apply, please submit your latest CV for review. ...

Technical Support Engineer

Hiring Organisation
Proactive Appointments
Location
Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£200 - £215 per day
group policy objects and execution of SUDO Policies in UNIX/Windows. Understanding of protocols such as HTTP, TCP, FTP/SFTP, SOAP and REST Experience with troubleshooting tools such as Wireshark, Traceroute Solid understanding of object-oriented programming skills (Java strongly preferred) Strong troubleshooting/root cause isolation skills ...

Integration Engineer SC Cleared Remote

Hiring Organisation
Sanderson Government and Defence
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £625 per day
assurance environments. What you'll work on: Designing, configuring and deploying API gateways (rate limiting, routing, SSL/TLS, OAuth, security controls). Integrating REST and SOAP services, including error handling, idempotency and logging. Working with IBM webMethods, DataPower Gateway, API Manager and related tooling. Contributing to secure-by-design ...