26 to 50 of 67 Contract React Jobs

C# Developer Architecture Focused

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£415 per day
DBAs, and governance teams in a structured, enterprise environment. What You'll Be Doing Designing and developing applications using .NET Framework/.NET Core , React/TypeScript , Python , and relational databases Refactoring and modernising legacy systems to reduce technical debt and improve performance and reliability Embedding modern security patterns across ...

Python Developer - Equity Derivatives

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
engage effectively with business and platform partners. Enhance our CI pipeline and deployment strategies. Desired Skills: Experience with modern web UI technologies like HTML5, React, RESTful services, and Websockets. Knowledge of Structured Products (Notes, Warrants, Certificates) is advantageous. Why Join Us? Be part of the fastest-growing area in Equities ...

Lead Full-Stack Developer

Hiring Organisation
Experis
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
architects, product stakeholders, and client teams to deliver secure, scalable software solutions. Responsibilities Front End Design and build modern, responsive user interfaces Develop using React, TypeScript, JavaScript, HTML, CSS Drive strong UX and cross-browser compatibility Back End Design and develop APIs and services Build server-side logic using Java … Strong experience delivering complex full-stack applications Commercial expertise in Java plus at least one other back-end language (ideally Python) Solid experience with React and modern front-end tooling Strong API design and integration experience Good working knowledge of Linux and Windows environments Proven problem-solver with strong analytical ...

Senior Software Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Senior Software Engineer Role Details Role: Senior Software Engineer Job Type: Contracting Location: Manchester (Hybrid, with a minimum of 2 days in the office) Special Working Conditions (Travel/On-call, etc.): Associate has to ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 750 - 900 Daily
Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver ...

Back-End developer (python and GCP) - £525 inside IR35

Hiring Organisation
Exalto Consulting ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 525 Daily
inside IR35 Exalto consulting are currently recruiting for a contract back-end developer who has great exposure to python programming, javascript, react and GCP, this is inside IR35 paying £525 per day and initially 6 months. Skills required for the role: •Expert knowledge of backend development with Python, Node click ...

Back end developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
Bristol.Skills required:- Python back end technologies- Ideally some exposure/understanding of .Net technologies. - Experience of maintaing backend services and APIs- Some experience of React, Typescript on the front end would be idealIf the above is of interest, please reach out with your latest CV. ...

Front-End Developer

Hiring Organisation
Sanderson
Location
South Croydon, Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
interfaces for critical government services. You'll work on high-impact projects, leveraging modern frontend technologies to deliver responsive and accessible solutions. Required Skills* React* TypeScript/JavaScript (when used in the browser) Nice to Have Skills* Playwright (front-end testing) Reasonable Adjustments: Respect and equality are core values ...

Senior C# Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
applications while contributing to greenfield development initiatives. Key Responsibilities Design, build, and maintain server-side and client-side applications using .NET Framework/Core , React/TypeScript , and relational databases ( SQL Server , Oracle ). Refactor legacy systems to reduce technical debt and improve performance. Implement modern security patterns (OAuth2/… OWASP principles. Hands-on experience with CI/CD pipelines and troubleshooting across Windows Servers and databases. Excellent communication and problem-solving skills. Desirable React/TypeScript Certifications in Azure/AWS , CISSP , or DevOps . Familiarity with Docker/Kubernetes , observability practices, and API gateways. Exposure to greenfield projects ...

Shopify Developer

Hiring Organisation
TechShack
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
help build out and refine their Shopify platform, so strong hands-on Shopify experience is key. Technologies: Shopify Typescript/Javascript Remix/React Liquid/Hydrogen If you're open to short-term or contract work, please apply with your CV and I'll give you a call ...

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
Full Stack ( .NET/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/… Framework 8.0 (or newer), 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 Frontend Developer

Hiring Organisation
Lorien
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
architecture, mentor junior engineers, and drive best practices across the team, focusing on technical excellence, collaboration, and continuous improvement. Key Responsibilities Develop and maintain React/TypeScript applications using modern frameworks Architect scalable, maintainable frontend systems with performance and accessibility in mind Drive improvements in code quality, testing, and tooling … system evolution Participate in production support and incident response What You'll Bring Strong experience in JavaScript/TypeScript development Expert-level knowledge of React Native/Expo, TypeScript, and modern JS Experience with state management (Redux, Zustand, Context API) Deep understanding of performance optimization and accessibility Experience with ...

Sharepoint Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day
SharePoint Developer Daily Rate: £415 per day via Umbrella Company Contract Length: 6 months Initially with potential for extension Working Pattern: Full Time, Hybrid, 3 days per week in the office Location : London Are you ...

Senior Full Stack Java Angular Developer Contract

Hiring Organisation
Adecco
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£517 - £522/day ltd company
Stack Java Angular Developer to join them on a contract basis. My client is looking for a Senior Frontend Developer with strong experience in React & Angular. As part of our agile and dynamic team, you will play a critical role in building and maintaining cutting-edge customer-facing solutions that … both scalable and secure. You will develop and maintain complex web applications using Angular and React for the frontend, along with a Spring Boot backend. You will develop and maintain both client-side and server-side logic to ensure seamless integration and functionality. You will optimise applications for maximum speed ...

UI Developer - 13042

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
will harness the power of data to drive insights and transform business processes. Key Responsibilities: Design, develop, and maintain reusable UI components using React and TypeScript . Implement responsive and accessible interfaces that meet enterprise standards (e.g., WCAG ). Collaborate with product managers, UX designers, and backend engineers to deliver … Incorporate Vercel AI SDK UI components to enhance chatbot functionality and user experience. Ensure code quality through unit and integration testing with Vitest and React Testing Library . Participate in code reviews and contribute to architectural decisions. Optimize performance and troubleshoot issues across various browsers and devices. What You Bring ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Full Stack ( .NET/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/ ...

FX e Trading Senior Full Stack Engineer (React TypeScript + Java)

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
Contract Role – FX e Trading Senior Full Stack Engineer (React TypeScript + Java) – London/Hybrid – 12 months initial – Inside IR35 As a FX e Trading Senior Full Stack Engineer (React TypeScript + Java) as a technically strong, hands-on engineer who understands both trading workflows and modern full-stack … architecture and can lead delivery of a mission-critical trading platform. Role Overview: Job Title: FX e Trading Senior Full Stack Engineer (React TypeScript + Java) Location: Hybrid – up to 4 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate: £759.49 – 900 per day (Inside ...

C# .NET Core Developer - Hybrid - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
Tier 1 Bank - .NET CORE/React/Banking/Architecture Role - C# Developer/.NET Core Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 p/d inside IR35 Tech Stack C# .NET Core …/Oracle React/Typescript Role Deliver, modernise, and support business-critical applications, frameworks and services across our stack (.NET Framework/.NET Core, HTML/CSS/TypeScript/React, Python, SQL Server, Oracle). The role focuses on refactoring legacy systems to reduce technical debt, improve reliability ...

Front End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570 per day
modern, user-focused web applications. This role is hands-on and delivery-driven, with a strong emphasis on clean, scalable front-end development using React and TypeScript/JavaScript . You'll collaborate closely with backend developers, designers, and product stakeholders to build responsive, high-quality user interfaces and improve … overall user experience. Key Responsibilities Design, build, and maintain front-end applications using React Develop clean, maintainable code using TypeScript and JavaScript (browser-based) Work closely with UX/UI designers to translate designs into high-quality user interfaces Integrate front-end components with APIs and backend services Ensure performance ...

Senior Software Engineer - Full Stack

Hiring Organisation
Morgan McKinley
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
components Data capture and processing APIs feeding back into the pre-book funnel Tech Stack: Backend: Node.js, AWS (event-driven microservices), Lambda, DynamoDB Frontend: React, TypeScript Architecture: Microservices, event-based systems The team currently has stronger frontend coverage, so backend expertise is particularly valuable for this role. What … Looking For: Senior-level Full Stack Engineer experience Strong Node.js backend expertise Solid experience with AWS services (Lambda, DynamoDB, event-driven architectures) React & TypeScript experience Comfortable leading technical discovery and delivery Strong communication and soft skills Experience in large-scale/enterprise environments ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £750 to £900 per day
Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver … strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g. ...

Full Stack Engineer (Java / ReactJS)

Hiring Organisation
Adept Resourcing
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £525/day
Full Stack Engineer (Java/ReactJS) Adept Resourcing are recruiting on behalf of a Tier-one bank, on a ongoing KYC project, looking for Full Stack Engineers (Java/Rreact JS) for an initial 6 month project (highly likley to renew). This is a hybrid role, with 3 days … improvements Required Experience Strong software engineering background with proven experience designing, developing, and deploying backend applications Java (preferably recent versions) Front-end development using ReactJS Experience delivering solutions within a microservices architecture Regular delivery of changes to production at high cadence Building and delivering RESTful APIs to production Experience designing ...

Full Stack Developer - Active SC, NPPV3, Java

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional solutions using microservices and micro-frontend architectures Hands-on experience with … Java & Spring best practices, React, and cloud/data services including SNS, SQS, S3, Aurora/PostgreSQL, and OpenSearch Excellent communication skills. Nice to have: Technical leadership with the ability to identify delivery inefficiencies, escalate issues, and drive value. Hays Specialist Recruitment Limited acts as an employment agency for permanent ...

Web GIS Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £390 to £400 per day
such as Python, SQL, and JavaScript for automation, data processing, and application development Build custom and COTS-based solutions in ArcGIS Experience Builder using React JS Spatial Analysis & Visualization Conduct geospatial analysis, cartographic design, and data visualization to support decision-making Perform web map creation, service publishing, ArcGIS Portal content … Portal for ArcGIS content creation, administration, and deployment Programming & Development Proficiency in .NET or Java, along with Python, SQL, and JavaScript Experience with React JS for custom widget/tool development in Experience Builder Knowledge of web services, open standards, and geospatial formats (XML, GML, KML) Database & Cloud Skills Experience ...

Full Stack Engineer

Hiring Organisation
Adept Resourcing
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£525/day
Full Stack Engineer (Java/React) Tier-1 Bank | Long-term Programme | Sheffield (Hybrid) This is not a sandbox. This is not a proof of concept that never leaves PowerPoint. This is real engineering, on a live Tier-1 banking platform, with production impact from day one. Adept Resourcing … partnering with a Tier-1 bank delivering a major, ongoing KYC transformation programme. We're looking for experienced Full Stack Engineers (Java/React) who are comfortable operating at pace, shipping code regularly, and owning what they build. Initial 6-month contract, with a strong likelihood of extension. Hybrid working ...