25 of 25 Remote/Hybrid Contract JSON Jobs

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
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 Qualifications Experience ...

Senior Data Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
building dashboards and reports using Power BI Programming or scripting experience (e.g. C#, Python, PowerShell) Experience consuming APIs and working with semi-structured data (JSON, XML) Experience with Microsoft Azure data services such as Azure Data Factory, Azure Data Lake, Azure SQL, Azure Synapse, Azure Functions, Cosmos DB Familiarity with ...

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
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, Postman, Lighthouse, Visual Studio, Azure DevOps ...

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
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 communication ...

Data Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500.00 - £550.00 per hour
building dashboards and reports using Power BI Programming or scripting experience (e.g. C#, Python, PowerShell) Experience consuming APIs and working with semi-structured data (JSON, XML) Experience with Microsoft Azure data services such as Azure Data Factory, Azure Data Lake, Azure SQL, Azure Synapse, Azure Functions, Cosmos DB Familiarity with ...

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
operationalizing AI solutions. Practical experience architecting and implementing RAG-based systems using Azure Search or vector index stores. Strong programming experience in Python, C#, JSON, or Node.js for integrating AI models and building backend services. Experience with Azure cloud services including Azure Functions, Logic Apps, Storage, App Services, Key Vault ...

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
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, indexing, semantic search ...

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
extensive knowledge in CICS webservices. Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL, and JSON, with a comprehensive understanding of SOA and RESTful APIs. Experience working with code repositories, bug tracking tools, and wikis. Tools include GitLab, Endevor, JIRA ...

Radar Live Product Configuration Developer - London and remote - 2 months+

Hiring Organisation
Octopus Computer Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Base configuration. Proficient in Scripting logic, rating algorithm development, and pricing rule configuration. Knowledge of insurance pricing, underwriting processes, and actuarial principles. Familiarity with JSON, XML, or similar data structures used for model inputs/outputs. Experience integrating Radar Live with policy administration systems (eg, Guidewire, Duck Creek ...

Oracle Cloud Integrations Specialist

Hiring Organisation
Summer Browning Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£NEG Excellent Day Rates
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. ...

Azure AI Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
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
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 ranking. Knowledge ...

Data Engineer

Hiring Organisation
DCV Technologies Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
scalability. Key Responsibilities Design and configure IBM DataPower services (MPGW, XML Firewall, WS-Proxy) Expose CICS, IMS, DB2 and MQ services via REST/JSON and SOAP APIs Implement API security including OAuth2, JWT, TLS/mTLS and AAA policies Deliver XSLT and GatewayScript transformations and schema validation Integrate with ...

DDI Architect

Hiring Organisation
LA International Computer Consultants Ltd
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 447 Daily
with network protocols including TCP/IP, UDP, and DNS. * Automation and Scripting: Familiarity with automation and Scripting languages (Shell, Ansible, VBA, Python, JavaScript, JSON, API integration or development) is advantageous but not mandatory. * Agile Experience: Experience working in an Agile team, participating in agile ceremonies, and a working knowledge ...

Engineering Tech Lead

Hiring Organisation
Square One Resources
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 492 - 537 Daily
Strong data engineering skills in Python (or similar) for ETL/ELT, enrichment, and validation. . Knowledge of event schemas (Avro/Protobuf/JSON), contracts, and backward/forward compatibility. . Familiarity with observability standards and practices; ability to drive toward Level 4 maturity (proactive monitoring, automated insights). ...

DevOps Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
3+ years in CI/CD platform or DevSecOps roles . Expert knowledge of Jenkins and Groovy Shared Libraries . Strong Python automation skills (JSON/YAML processing, tooling scripts). Deep understanding of Maven, NPM, and Python packaging . Exposure to Helm, Terraform, and container image metadata . Solid ...

DevX Build Pipeline Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
3+ years in CI/CD platform or DevSecOps roles . Expert knowledge of Jenkins and Groovy Shared Libraries . Strong Python automation skills (JSON/YAML processing, tooling scripts). Deep understanding of Maven, NPM, and Python packaging . Exposure to Helm, Terraform, and container image metadata . Solid ...

OpenShift Telemetry Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
alerting. Strong data engineering skills in Python (or similar) for ETL/ELT, enrichment, and validation. Knowledge of event schemas (Avro/Protobuf/JSON), contracts, and backward/forward compatibility. Familiarity with observability standards and practices; ability to drive toward Level 4 maturity (proactive monitoring, automated insights). Understanding ...

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 … Work with Mainframe development tools 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 ...

Technical Architect

Hiring Organisation
RCRTR
Location
Swansea, City and County of Swansea, West Glamorgan, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £500/day
event-driven, synchronous/asynchronous). Lead the design of distributed microservices, ensuring scalability, resilience, observability, and maintainability. Apply schema-driven design principles (e.g., JSON Schema, OpenAPI, AsyncAPI) to ensure consistent and reusable domain models. Cloud & Platform Engineering (AWS) Select and integrate AWS services (EC2, Lambda, API Gateway, S3, DynamoDB … 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 of cloud security, identity and access management, and operational best practices. Experience working with Infrastructure-as-Code (Terraform, CloudFormation ...

Oracle Developer

Hiring Organisation
Invitise Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £650 per day
builds and enhancements to current workstreams. Essential experience: Strong development background Oracle Integration Cloud Oracle Fusion Cloud Integration work with SOAP, REST, JSON OIC, Postman, Curl Oracle VBCS ERP and HCM integrations via OIC OAUTH, IAM, JWT GIT, XML, JSON, XSLT Desirable: Public cloud and security knowledge DevOps background Experience … processes Understanding of secure development practices Interested? Please apply below. Oracle Integration Cloud, OIC, Oracle Fusion, Oracle ERP, HCM, VBCS, OCI, Integrations, REST, SOAP, JSON, SC Cleared, Inside IR35. ...

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)
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 optimization. Proven experience ...

Python GIS Developer

Hiring Organisation
Teksystems
Location
Scotland, United Kingdom
Employment Type
Contract, Work From Home
Skills Programming & Tools Python Git (version control) GIS & Geospatial Libraries Rasterio GDAL Shapely (or similar open-source Python GIS libraries) Data & Integrations REST APIs JSON SQL Skills Summary Python GIS REST APIs JSON SQL Git Job Title: Python GIS Developer Location: Edinburgh, UK Job Type: Contract Trading as TEKsystems. Allegis ...

Boomi Integration Developer

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £620 per day
Boomi Integration Developer - 6 Months Contract - £620/Day (Inside IR35) - Remote Working (Tech stack: Boomi Integration Developer, ERP, WMS, API, REST, SOAP, JSON, XML, CSV, Programmer, Full Stack Engineer, Architect, Boomi Integration Developer) After 15 years' experience in the fashion industry, our client has a mission to change … achieve this, our client is looking for contract Boomi Integration Developer with experience in some or the following: ERP, WMS, API, REST, SOAP, JSON, XML and CSV. The initial contract will be written for 6 months and extended thereafter. Location: Remote Working Rate: £620/Day - Inside IR35 Applicants must ...

Automation Test Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
frameworks autonomously Experience with common automation tools/frameworks (e.g. Playwright, Cypress, Selenium, REST-assured, etc.) Solid understanding of REST APIs, HTTP methods, and JSON Experience working with CI/CD pipelines Profile 29 recruitment keywords: Software Tester testing test QA quality assurance Automation Test Engineer React front-end Spring … Boot APIs API automation frameworks Playwright Cypress Selenium REST-assured REST APIs HTTP JSON CI/CD London remote hybrid contract freelance AI artificial intelligence ...