1 to 25 of 36 Contract Jobs in London

Lead Software Developer - SC Cleared

Hiring Organisation
Network IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£625 per day
applications and writing performant code, Git, abstracting code into core libraries and creating reusable components, debugging and systems analysis, HTML5, CSS/SASS & Javascript and TypeScript, familiarity with a frontend framework such as Angular/React/Vue (Angular preferred), CI/CD and pipelines. Leadership - You are a strong ...

Principle Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
absence of other senior engineering leaders. Experience operating within Agile and DevOps delivery models. Desirable Skills: Application & Integration Technologies C# .NET Entity Framework JavaScript React Vue.js Windows Presentation Foundation (WPF) REST APIs Microservices architecture AI & Data Technologies AWS SageMaker Large Language Model (LLM) integrations AI-assisted analytics solutions Python-based ...

Java Developer

Hiring Organisation
Denizns Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
MongoDB or another document database Cloud experience (AWS, Azure or GCP) Working knowledge of Linux/Unix Nice to have Angular, React, Node.js or JavaScript Keycloak, Kafka or ActiveMQ, Mockito, Jackson, JAX-RS Experience with high-traffic sites or large data sets How to apply Apply with your ...

Full Stack Software Developer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £450 per day Hybrid / Inside IR35
understanding of MVC architecture , design patterns, and dependency injection. Experience building and maintaining RESTful APIs . Frontend Development Strong knowledge of HTML5, CSS3, and JavaScript (ES6+) . Commercial experience building applications with React.js . Experience with component-based architecture and state management using: React Hooks Redux Context API NgRx Experience ...

Full Stack Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Hybrid / Inside IR35
Strong understanding of MVC architecture, design patterns, and dependency injection. • Experience building and maintaining RESTful APIs. Frontend Development • Strong knowledge of HTML5, CSS3, and JavaScript (ES6+). • Commercial experience building applications with React.js. • Experience with component-based architecture and state management using: o React Hooks o Redux o Context ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and SQL Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and SQL Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment ...

Full Stack Engineer - Front End - AI

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £551/day
teams to deliver intelligent, production- ready applications at scale. Key Responsibilities Design, build, and maintain scalable front-end applications using React, python and modern JavaScript/TypeScript. Build front-end solutions that support high data throughput, performance optimisation, and responsiveness at scale. Collaborate on the deployment of applications to cloud ...

Full Stack Engineer (Agentic AI)

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501/day
teams to deliver intelligent, production- ready applications at scale. Key Responsibilities Design, build, and maintain scalable front-end applications using React, python and modern JavaScript/TypeScript. * Build front-end solutions that support high data throughput, performance optimisation, and responsiveness at scale. * Collaborate on the deployment of applications to cloud ...

Full Stack Engineer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
development, testing and ongoing optimisation. Key Skills: Strong Java or Python development skills, ideally with Spring and Spring Boot. Solid HTML5, CSS3 and modern JavaScript (ES6+). Practical experience building applications with React. Understanding of React Hooks, Redux, Context or similar state management approaches. Experience developing RESTful APIs and implementing ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client-side technologies such as JavaScript and Angular. Clearance: Active UK Security Check (SC) clearance is strictly required prior to onboarding. Randstad Technologies is acting as an Employment Business in relation ...

Senior AI Platform Engineer - MCP AWS Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
Requirements Strong commercial experience in senior backend, platform or software engineering roles, with the ability to lead technical design and delivery. Advanced TypeScript, JavaScript and Node.js experience, particularly within microservices and distributed architectures. Strong hands-on AWS experience, designing and deploying scalable, cloud-native applications. Practical experience with Model Context ...

L1 Software Engineer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £250 per day
Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira) Log analysis and application troubleshooting Qualifications Bachelor's degree in Computer Science, IT, or related ...

Microsoft Dynamics Developer - Contract

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £625 per day
configuring Microsoft Dynamics 365 Strong C#/.NET development experience Experience with Microsoft Azure and associated cloud technologies Experience building APIs and system integrations JavaScript/TypeScript experience Experience developing custom Dynamics functionality, plugins and workflows Understanding of CI/CD and modern software engineering practices Comfortable working across both ...

Senior C# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £416/day Inside IR35
development skills Understanding of software design principles and development best practices Experience working within complex enterprise environments Experience working with Azure Desirable Experience with JavaScript Exposure to React Experience contributing to application modernisation programmes Knowledge of Azure cloud technologies Experience within Financial Services, Investment Banking or Capital Markets environments Personal ...

Senior Frontend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650/day
handle data flow effectively. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proven experience in React.js, and TypeScript development. Strong understanding of JavaScript and modern front-end technologies. Experience with state management libraries like Redux, Recoil, or similar. Familiarity with RESTful APIs Experience with version control systems, such ...

Full stack Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Must Have - Backend: Strong Java/Python skills with Spring and Spring Boot - Frontend fundamentals: Strong HTML5, CSS3, and JavaScript (ES6+) - Modern frontend framework: Hands-on experience with React Js - Component architecture and state: Component-based design and state management (React Hooks, Redux, Context, or NgRx) - Responsive UI: Building responsive ...

AI Copilot Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £490/day Inside IR35
with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Tech Stack Copilot Powerapps Power platform Javascript Role Development and support of low code Business applications using Power platform, M365, C#, JavaScript. You will collaborate closely with business analysts, business users ...

Microsoft AI Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400 per day
knowledge-grounded AI applications AI agents and agentic workflows Microsoft Fabric Power Platform Azure Functions/Logic Apps APIs and system integrations Python, C#, JavaScript/TypeScript or similar Microsoft Entra ID/cloud security Please click apply ...

Senior Cyber Security Consultant - Red Team Delivery

Hiring Organisation
Morson Edge
Location
Kingston Upon Thames, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
£40.00 - 88.98 per hour
cloud exploitation, malware development, detection evasion, operational security, physical security testing or adversary emulation. Experience using scripting or development languages such as Python, C#, JavaScript, Go, Rust or similar. Ability to contribute technical leadership and provide direction during engagements. Strong analytical, communication and reporting skills. Willingness to travel to customer ...

Apigee Engineer: Apigee, GCP, Google Cloud, API

Hiring Organisation
Curo Services
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 349 Daily
including monitoring, incident response, root-cause analysis, rollback and post-change validation. Strong Linux skills and practical Scripting or development experience using Python, Bash, JavaScript, Node.js or a comparable language. Ability to take end-to-end ownership of technical outcomes and work effectively across engineering, security, architecture and service-management ...

Apigee Consultants: Apigee, GCP, API, Google Cloud

Hiring Organisation
Curo Services
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 349 - 585 Daily
including monitoring, incident response, root-cause analysis, rollback and post-change validation. Strong Linux skills and practical Scripting or development experience using Python, Bash, JavaScript, Node.js or a comparable language. Desirable: Experience migrating APIs from Apigee Edge, APIC, MuleSoft or another Legacy gateway to Apigee X. Experience with Istio ...

SAP Build Process Automation (BPA) Technical Consultant

Hiring Organisation
Ubique Systems UK Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Integration (CPI) - API Management - Knowledge of SAP security concepts, roles, and authorizations. - Familiarity with Git, CI/CD, and DevOps practices. - Basic Scripting knowledge (JavaScript preferred). ...

Sharepoint Developer

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
standards. Essential Skills & Experience Strong commercial experience with SharePoint Server Subscription Edition development. Expertise in SharePoint customisation and development. Strong knowledge of C#, .NET, JavaScript and PowerShell . Experience working with SharePoint architecture, security and permissions. Ability to work effectively with both technical and non-technical stakeholders. Experience within enterprise ...

Senior Full Stack Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
deliver scalable, secure, and high-performing solutions in Azure environments. Key Responsibilities Design, develop, and maintain scalable full-stack applications using React, Python, JavaScript, and TypeScript Build responsive, high-performance front-end solutions capable of handling large data volumes Develop and integrate APIs, microservices, and distributed systems Deploy and manage … Drive performance optimisation, observability, scalability, and application reliability Required Skills & Experience Essential Extensive experience as a Senior Full Stack Developer Strong expertise in: React JavaScript/TypeScript Python Deep understanding of modern React development: Hooks State management Component architecture Performance optimisation Proven experience deploying applications to cloud environments, ideally Microsoft ...