1 to 25 of 27 Contract JSON Jobs in England

Senior C# .Net Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day Umbrella Inside IR35
Preferred Stack C# | .NET Core/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPI Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource ...

Data Engineer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
development with Scala, Java, or Python through system integration projects or as a data scientist. Utilise technologies such as Spark, Elastic, Restful APIs, JSON, and Tomcat. Build reusable libraries and shared capabilities to expedite time to market for Data Engineering delivery teams. Continuously improve platform capabilities and maintain overall platform ...

PKI Security Engineer / CLM Implementation Engineer

Hiring Organisation
Harvey Nash
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
NIST PQC standards, crypto-agility, discovery and migration planning is required. Automation & Integration Skills (Highly Desired) * PowerShell, Python and Bash scripting. * REST APIs, JSON, OAuth/service authentication & secure automation patterns. * Infrastructure as Code and configuration automation, such as Terraform, Ansible etc * CI/CD platforms & Git-based source control. ...

Murex Risk Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
users. Technical Skills Strong experience with several of the following: * SQL* Oracle/relational databases * Unix/Linux * Shell scripting * Python * Java * XML/JSON * REST APIs/integration technologies * Git or equivalent source-control tools * CI/CD and DevOps processes * Batch scheduling/enterprise schedulers Strong ...

Python Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
PostgreSQL OpenSearch Redis/Valkey GuardDuty WAF CloudTrail NGINX and containerised logging solutions. Identity and access management concepts including OIDC and SAML . JSON Schema development and validation. Technical writing and creation of integration documentation. Threat modelling and security-focused development practices. Additional Desirable Attributes Experience running technical workshops ...

Dynamics 365 CE Developer

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 550 per day
Automate flows and Canvas Apps Strong skills in Dynamics 365 CRM configuration, customisation, and integration capabilities Expertise in integration technologies like Logic Apps, HTTP, JSON Proficiency in programming languages such as .NET, C#, JavaScript Development and Project Leadership Experienced in developing Dynamics plugins and enhancing forms with JavaScript and HTML ...

Snr Java Developer (API Development)

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £551/day Inside IR35
microservices, including service-to-service communication. API Design - Strong RESTful API design skills, including API contracts, versioning and integration patterns. JUnit - Automated unit testing. JSON - Experience working with API data structures and formats. Docker - Containerisation of microservices. Kubernetes - Hands-on experience deploying and managing microservices. Git/CI/ ...

DevOps Engineer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
Mgmt. Ansible, Puppet, Chef Build Tools Maven, Gradle, NPM, Webpack Testing Tools Selenium, JUnit, Postman, Cypress Other Nexus/Artifactory (artifact repositories), REST APIs, JSON/YAML, Linux system admin ...

Quality Engineer

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£460 - £461/day Inside IR35
coach others on quality engineering best practice. Technology Stack Frontend: Remix React, JavaScript Backend: Java, Spring, .NET Data: MongoDB, Oracle Tools/Technologies: RabbitMQ, JSON Key Responsibilities Design and implement test automation solutions from scratch Design, develop and maintain automated end-to-end and system tests using Playwright with Java ...

Application Support Engineer - DV

Hiring Organisation
Proactive Appointments
Location
Gloucester, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 580 Daily
Gloucester. Application Support Engineer - Key Skills: Must hold a live UKIC DV Understanding of networking and software architectures Understanding of structured text formats: JSON, XML, CSV The below skills are nice to have: Exposure to programming languages such as Java, JavaScript, Python, and Go API definitions: Swagger/Open ...

iOS Developer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £420 per day + Inside IR35
Experience implementing: MVVM MVC Clean Architecture Knowledge of dependency injection patterns. Understanding of reusable component-based development. API & Data Integration Experience consuming RESTful APIs. JSON parsing and data mapping. Authentication mechanisms including OAuth and JWT. Knowledge of asynchronous programming techniques. Data Storage Experience with: Core Data SQLite UserDefaults Cloud-based ...

Lead Network Architect with IaC - London, UK

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £747 per day
Deep expertise in Cisco NX-OS, VXLAN BGP-EVPN, vPC, and Cisco NDFC. Infrastructure as Code (IaC) Automation: Python (REST APIs, data modeling), YAML, JSON, and Red Hat Ansible Automation Platform (AAP). CI/CD & Testing: GitHub/GitLab workflows, pyATS, and Genie for pre- and post-change validation. ...

Lead Network Architect with IaC - Birmingham, UK

Hiring Organisation
Randstad Digital
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £747 per day
Deep expertise in Cisco NX-OS, VXLAN BGP-EVPN, vPC, and Cisco NDFC. Infrastructure as Code (IaC) Automation: Python (REST APIs, data modeling), YAML, JSON, and Red Hat Ansible Automation Platform (AAP). CI/CD & Testing: GitHub/GitLab workflows, pyATS, and Genie for pre- and post-change validation. ...

Lead Network Architect with IaC - Bristol, UK

Hiring Organisation
Randstad Digital
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £747 per day
Deep expertise in Cisco NX-OS, VXLAN BGP-EVPN, vPC, and Cisco NDFC. Infrastructure as Code (IaC) Automation: Python (REST APIs, data modeling), YAML, JSON, and Red Hat Ansible Automation Platform (AAP). CI/CD & Testing: GitHub/GitLab workflows, pyATS, and Genie for pre- and post-change validation. ...

Senior AI Platform Engineer - MCP AWS Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
development. Experience taking ownership of complex engineering projects, making architectural decisions and mentoring other engineers. Desirable: Python, FastAPI, LangGraph, LangChain or similar AI frameworks. JSON-RPC, SSE, WebSockets and event-driven architectures. Experience with RAG, LLM function calling and context management. An interest in sport and the sports betting industry. ...

DV Cleared Cyber Security Engineer

Hiring Organisation
Lorien
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 92 Hourly
Strong Scripting and automation experience using PowerShell, Python, and Regex. Live SC or DV Clearance Experience working with APIs, including HTTP/S communications, JSON objects, headers, and responses. Strong understanding of SIEM technologies and security monitoring platforms. Experience implementing, configuring, and maintaining cyber security tooling. Knowledge of Windows ...

Marketing Automation Consultant

Hiring Organisation
Consol Partners
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Python and JavaScript/Node.js with extensive experience building, connecting, and securing REST APIs. * Familiarity with context engineering, prompt architecture, and structured data formats (JSON, XML) used to drive automated design and video workflows. ...

Cyber Security Engineer

Hiring Organisation
Line Up Aviation
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£78 - £92.11/hour
Capability Manager Requirements : Strong coding and scripting background - PowerShell, Python & Regex Proven ability to work with APIs, including HTTP/S headers and responses, JSON Objects. Proven experience with Proxies administration and changes. Windows (SMB) and *Nix (NFS) remote storage. IIS (Windows Web Server) Configuration, Active Directory/LDAP (authentication ...

Edge Networking Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
migration or refresh experience, with detailed migration plans, rollback procedures and disciplined change management Git and GitHub daily, working Python, and comfort with YAML, JSON and Jinja2; able to use CI/CD network change pipelines and familiar with Terraform Solid IP addressing, subnetting and DHCP relay, network monitoring (SNMP ...

Cyber Security Engineer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£92.11 per hour, Benefits Overtime Rate
/experience required: Strong coding and scripting background PowerShell, Python & Regex Proven ability to work with APIs, including HTTP/S headers and responses, JSON Objects. Proven experience with Proxies administration and changes. Windows (SMB) and *Nix (NFS) remote storage. IIS (Windows Web Server) Configuration, Active Directory/LDAP (authentication ...

Cyber Security Engineer

Hiring Organisation
Akkodis
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
/experience required: Strong coding and scripting background - PowerShell, Python & Regex Proven ability to work with APIs, including HTTP/S headers and responses, JSON Objects. Proven experience with Proxies administration and changes. Windows (SMB) and *Nix (NFS) remote storage. IIS (Windows Web Server) Configuration, Active Directory/LDAP (authentication ...

AI Engineer

Hiring Organisation
STK Recruitment
Location
Northwich, Cheshire, North West, United Kingdom
Employment Type
Contract
Contract Rate
£350 per day - Outside IR35 / Ltd Company
Job title: AI Engineer/AI Developer - Microsoft Foundry/Azure AI Day Rate: £350 per day - Outside IR35/Ltd Company Location: Hybrid - Manchester (3-4 days onsite per week) Duration: 3 months initially ...

Lead Solution Architect (SAM / BEEDS)

Hiring Organisation
Inspire People
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£80,000
Lead the architecture behind major technology modernisation programmes at the Bank of England. The Bank of England, in partnership with Inspire People, is recruiting experienced Lead Solution Architects to design and deliver complex, cloud-based ...

Lead Solution Architect (SAM / BEEDS)

Hiring Organisation
Inspire People
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£90,000
Lead the architecture behind major technology modernisation programmes at the Bank of England. The Bank of England, in partnership with Inspire People, is recruiting experienced Lead Solution Architects to design and deliver complex, cloud-based ...

Full Stack Web Developer

Hiring Organisation
Pyramid8
Location
WF8, Pontefract, City and Borough of Wakefield, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
effectively. Experience displaying structured datasets within web-based HMI applications. Understanding of how to present complex datasets in an accessible and meaningful format. JSON and Data Handling Strong familiarity with JSON data structures and formats. Ability to parse, transform, validate, and present structured data. Experience handling data exchanged between frontend ...