1 to 25 of 38 Contract React Jobs in London

.NET Developer, CMS, Sitecore, Optimizely

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
Alterian, Immediacy, Ektron, Kentico, Sitefinity or DotNetNuke. Our client is passionate about continuous learning and will provide industry-recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum and Kanban. This ...

Full Stack Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £400 to £450 per day
challenges). Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition) Frontend Python driven UI frameworks: Dash, Streamlit (preferred over React/Angular). Backend Expert level Python programming (mandatory). Database Experience with Delta Tables or similar modern data lake table formats. Cloud & DevOps Mandatory ...

Senior Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540 per day
back-end development of applications and APIs interacting with the Azure Databricks platform. Develop user interfaces using modern front-end frameworks (e.g., React, Angular, Vue.js) and ensure a seamless user experience. Develop robust and efficient back-end services and APIs using Python. Python Development: Develop and maintain Python code ...

Full Stack Engineer - Javascript + Python (Cloud GCP)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Full stack development experience across frontend and backend Comfort working in containerised environments Nice to have Kubernetes Cloud deployment and CI/CD exposure React or Next.js Experience contributing to system and application design (not just delivery) What we're looking for Experience as a software or full stack engineer ...

Senior React Native Developer

Hiring Organisation
eTeam Workforce Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 363 Daily
specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Senior React Native Developer Work mode: Hybrid Number of days a week worked in the office: 2 to 3 days If the end client requires F2F meetings … London (Client or client's office) JOB DETAILS Minimum number of relevant years of experience: 8+ years Technical Must Haves: Strong experience in Core React Native 0.81, TypeScript 5.x, React 19 Strong experience in State Redux Toolkit, Zustand, React Query, Apollo Client Testing Jest, React Native Testing Library strong requirement ...

Senior Python Developer

Hiring Organisation
Intec Select Ltd
Location
London, Euston, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
APIs or vendor systems Experience with data synchronisation or complex system integration Strong communication skills and ability to work effectively within existing teams Desirable - React/Next.js frontend experience ...

Senior Full Stack Engineer

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £440/day
scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/ ...

Release Manager - Active SC, AWS

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £506 per day
releases. Drive continual improvement in release processes, collaborating with agile delivery teams and leveraging knowledge of tools like Swagger/OpenAPI, Gradle, Liquibase, Kafka, React and Typescript. Nice to have: Immediate availability Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply ...

Python Software Engineer

Hiring Organisation
Apex Systems US
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£80 - £90/hour
unit, integration, and acceptance tests Comfortable in an agile working environment Self-starter and proactive DESIRED SKILLS: Experience with modern web UI technologies; HTML5, React, RESTful services, Websockets Knowledge of Structured Products (Notes, Warrants, Certificates) BUSINESS KNOWLEDGE Equity Derivatives Regional variations of Products and Trading ...

Python developer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
solving skills e.g. ability to lead root cause analysis, own resolutions & Strategic thinker who can see the big picture and provide thought leadership. Preferred: React JS, .Net development experience a plus Application Management experience Knowledge of Bank technologies (Quartz/Risk - IMM) Knowledge of Securities Lending or Prime Financing ...

SharePoint / Office 365 Consultant (RP/SP1)

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
team, as well as the wider development department Development of Office 365 tools including SharePoint Online (PowerApps, Power Automate and SPFX or ReactJS). Analysing of business requirements and providing constructive feedback. Creating documentation to detail deliverables by the relevant teams with enough depth for both technical and business viewpoints. ...

Senior Java full stack developer / Tech Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70,000 - £80,000 per annum
Work model – Hybrid (3 days in an office) Location – London, UK We are seeking an experienced and results-driven Senior Java Full Stack Developer (React Mandatory) to join our team in London. This project is associated with one of the largest Bank. Key Responsibilities: Design, develop, and maintain robust, scalable … high-performance web applications. Build responsive and dynamic user interfaces using React js. Develop backend services and APIs using Java (Spring Boot/Spring Framework). Write clean, maintainable, and efficient code following best practices. Perform code reviews and mentor junior developers. Optimize applications for maximum speed and scalability. Ensure ...

Data Scientist

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£415 - £467 per day
vector databases (PG vector, Croma DB) * Familiarity with GenAI performance evaluation tools such as Pegasus, Ragas, and DeepEval * Ability to create conversational interfaces with React JS or other frontend components, develop and deploy AI agents using LangGraph, ADK, A2A, MCP * Strong programming skills in Python (LangChain/LangGraph/LangSmith ...

Data Scientist

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
vector databases (PG vector/croma DB) Hands-on Experience with GenAI Performance Evaluation tools like Pegasus, Ragas, DeepEval Create Conversational Interface with React JS or other Frontend components, Develop and deploy AI agents using LangGraph and ADK, A2A, MCP Strong programming skills in Python (experience with LangChain/LangGraph ...

Performance Tester

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £450 per day + inside IR35
until 2nd April and then a new one will be signed and the contract should be extended Greenfield project Data Modelling, Oauth, Javascript Typscript React, node.js, data streams, PostgreSQL, Lambda AWS: API gateway, RDS, Cloudfront, Cognito. Terraform, GitHub, GitFlow pipelines This temporary contract is outside IR35 and will be delivered ...

Performance Tester

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
until 2nd April and then a new one will be signed and the contract should be extended Greenfield project Data Modelling, Oauth, Javascript Typscript React, node click apply for full job details ...

Solution Architect

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£495 - £525/month
products, including auto, home, workers? compensation, and specialty lines. Job Responsibilities/Objectives 1.Lead and manage software development projects using Java, Python, Typescript, AWS, React JS, Angular, and other technologies. 2.Collaborate with cross-functional teams to define project scope, objectives, and deliverables 3.Create the high-level design (or solution architecture … experience is highly desirable). 2.Proven expertise in software architecture, design, and hands-on development. 3.Strong technical background in .NET, Java, Python, TypeScript, AWS, React, and Angular. 4.Demonstrated experience managing full project lifecycles from concept to delivery. Desirable Skills/Experience Although not essential, the following skills are desired ...

React Developer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £420 per day
React Developer Remote with very occasional client visits £400pd to £420pd - Outside IR35 3 month contract - potential for extension Our client, an established and successful Consultancy are looking for a number of mid-level Developers to join them on a contract basis With head offices in the north … than March 16th. This is a fully hands on role where you will work as part of an established successful team, primarily working with React and Typescript technologies We are looking for: Expert knowledge of React Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and responsive UI engineering. Experience with Redux ...

Fullstack Software Engineer (Agentic AI)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high … across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software development (e.g. React) Demonstrated experience of Python development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. ...

Fullstack Software Engineer (Agentic AI)

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high … across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience with frontend software development (e.g. React) Demonstrated experience of Python development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. ...

React Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Robert Half Technology are assisting a market leading financial services organisation to recruit a React Developer on a contract basis . Hybrid working - London based. Role * The React Developer will be responsible for designing, building, and maintaining high-quality front-end applications using React and TypeScript within a secure, data …/CD pipelines, testing strategies, and overall engineering best practices. * Provide clear technical documentation and contribute to front-end architectural decisions. Profile * The React Developer will have strong commercial experience building modern React and TypeScript applications in financial services or similarly regulated environments. * Proven experience delivering complex, enterprise-grade front ...

Solution Architect

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £506/day
/05/2027 Rate- £506 MUST BE PAYE THROUGH UMBRELLA Key Responsibilities: Lead and manage software development projects using Java, Python, Typescript, AWS, React JS, Angular, and other technologies. Collaborate with cross-functional teams to define project scope, objectives, and deliverables. Create the high-level design (or solution architecture … experience will be added advantage Strong technical experience in Architecture, Design and Development Strong technical background with expertise in .Net, Java, Python, Typescript, AWS, React JS, and Angular. Proven experience managing end-to-end project lifecycles. Exceptional leadership and team management skills. Excellent problem-solving and analytical abilities. Strong communication ...

Full Stack Engineer /Software Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £80/hour Negotiable
into intuitive, high-performance analyst experiences. The Tech Ecosystem You will be working in a modern, distributed environment that prioritizes engineering excellence: Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud … improvements. Who You Are The Professional: You have 4+ years of experience building production-grade web applications. The Specialist: Deeply proficient in TypeScript and React . A willingness to work within a Micro-frontend architecture is essential. The Collaborator: You enjoy working closely with Product, Design, and Compliance teams ...

Full Stack Engineer /Software Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60.00 - £80.00 per hour
into intuitive, high-performance analyst experiences. The Tech Ecosystem You will be working in a modern, distributed environment that prioritizes engineering excellence: Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud … improvements. Who You Are The Professional: You have 4+ years of experience building production-grade web applications. The Specialist: Deeply proficient in TypeScript and React . A willingness to work within a Micro-frontend architecture is essential. The Collaborator: You enjoy working closely with Product, Design, and Compliance teams ...

Full Stack Engineer

Hiring Organisation
Vallum Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high-performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design … develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client-side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross-browser compatibility Backend (Python) Design and implement scalable ...