15 react developer jobs found

React Native Developer Contract London (3 days on-site) Outside IR35 Hybrid - 3 days/week in central London A large multinational business is building out a customer-facing mobile product and needs a React Native developer who can ship, not just maintain. You'll own features end to end across iOS and Android from a single codebase, working alongside an established product and Back End team. What you'll do Build and ship features in React Native (TypeScript) for a live, high-traffic mobile app Work with native modules, you know when JS won't cut it Integrate with secure APIs and the data-handling constraints that come with them Contribute to release pipelines, testing, and app store deployment What we need Strong commercial React Native experience with production apps live in the stores TypeScript, and comfort dropping into native iOS/Android when required Someone who works well in a contract setting: lands quickly, communicates,...

Web Developer - (React, TypeScript & C#/.NET) We are looking for a Web Developer with strong React and TypeScript experience and some knowledge of C# and .NET to join a development team on an initial 12-month contract. Responsibilities Develop and maintain web applications using React and TypeScript. Contribute to Back End development using C# and .NET. Create and maintain automated tests. Review pull requests and support code quality standards. Perform integration testing and bug fixing. Update tasks and testing information within Azure DevOps. Produce and maintain technical documentation. Participate in Agile ceremonies including stand-ups, sprint planning, estimation sessions, and retrospectives. Support DevOps pipelines and deployment activities. Attend team meetings as required. Required Skills Commercial experience with React and TypeScript. Knowledge of C# and .NET. Experience with Git and source control. Understanding of...

Web Developer - (React, TypeScript & .NET) - Hybrid - Outside IR35 We are looking for a Web Developer with strong React and TypeScript experience and some knowledge of C# and .NET to join a development team on an initial 12-month contract. Responsibilities Develop and maintain web applications using React and TypeScript. Contribute to backend development using C# and .NET. Create and maintain automated tests. Review pull requests and support code quality standards. Perform integration testing and bug fixing. Update tasks and testing information within Azure DevOps. Produce and maintain technical documentation. Participate in Agile ceremonies including stand-ups, sprint planning, estimation sessions, and retrospectives. Support DevOps pipelines and deployment activities. Attend team meetings as required. Required Skills Commercial experience with React and TypeScript. Knowledge of C# and .NET. Experience with...

React Native Developer – Contract London (Hybrid) | Outside IR35 About the Company Our client is a fast-growing fintech building the next generation of financial products. With a product-first culture and a strong engineering ethos, they're on a mission to make financial services smarter, faster, and more accessible. You'll be joining a lean, high-calibre team where your work ships and your impact is visible. The Role We're looking for an experienced React Native Developer to join our client on a contract basis. You'll be working across a consumer-facing mobile product, contributing to feature development, performance improvements, and technical delivery within an agile environment. This is a hands-on engineering role suited to someone who takes ownership, moves quickly, and holds their own in a strong technical team. What You'll Be Doing Building and shipping features across iOS and Android using React Native Collaborating closely with product,...

CRO Developer (Contract) Analytics Agency, CRO London - 1 day per week in office £300-£375 per day - Outside IR35 This is an opportunity to join a high-performing experimentation team delivering impactful conversion rate optimisation projects across a diverse client base. The team is growing quickly and has already exceeded its annual targets, creating a need for additional contract support on a flexible, part-time basis. You will contribute to a steady pipeline of web experimentation initiatives while working in a fast-paced, collaborative agency environment. The Company They are a specialist digital consultancy focused on optimisation, analytics and search. Their work spans three core disciplines, blending experimentation with broader customer experience and performance insights. They partner closely with media and marketing teams to translate on-site behaviour into actionable CRO strategies. The environment is delivery-focused, collaborative, and...

Senior Full-Stack Engineer - 6 Months Contract - up to £400 Per day Outside IR35 - Retail We’re working with a well-established retail business currently undergoing a major internal transformation programme, and they’re looking for a Senior Full Stack Developer to join on a 6 month contract. The business has been operating successfully for over 10 years and combines the stability of an established company with the pace and culture of a start-up environment. Decisions happen quickly, there’s very little hierarchy, and engineers are trusted to own delivery and make a tangible impact. This role will focus heavily on building modern internal applications and operational tooling that support large-scale scheduling, fulfilment, logistics, optimisation and customer service functions across the business. The Role You'll play a key role in developing modern React-based internal applications alongside supporting .NET backend services, helping replace legacy workflows with...

Senior Full Stack Developer - .NET/React Outside IR35 Contract Up to £400 per day Initial 3-6 Month Contract | Immediate Start - 1 day a week in London We're working with a well-established retail business currently undergoing a major internal transformation programme and they're looking for a Senior Full Stack Developer to join immediately on an Outside IR35 contract basis. The business has been operating successfully for over 10 years and combines the stability of an established company with the pace and culture of a start-up environment. Decisions happen quickly, there's very little hierarchy, and engineers are trusted to own delivery and make an impact. This role will focus heavily on building modern internal applications and operational tooling that support large-scale scheduling, optimisation and customer service functions across the business. The Role You'll play a key role in developing modern React-based internal applications alongside supporting .NET Back...

Role Summary Wagglyn is looking for an experienced QA Engineer / Test Lead to work with the existing engineering team on the testing and release readiness of its MVP trading platform. This is a hands-on contract role for someone who has tested complex financial or real-time systems before. It is not a generic web QA role and not a manual-testing-only role.   Scope The contractor will help define and execute the QA process across the front end, backend services, market data, execution flows, deployment environments and operational readiness. The role involves working with engineering, product and stakeholders to make sure releases are testable, repeatable and safe to promote through UAT and production-like environments. QA here is about proving the system behaves safely when data is live, services reconnect, orders are sent, risk state changes and deployments happen.   Profile ·      Hands-on QA engineer who has tested complex financial or real-time systems ·...

Senior JavaScript Engineer contract - Outside IR35 - £575 per day Leading Ecommerce client is now recruiting a talented ‘Full Stack JavaScript Developer’ who is proficient in front and back-end development. (React/Node.js), with an emphasis on backend Node work initially. This role will be joining their platform team, designing, and building the foundations of which our clients innovative web and mobile applications run on. What will a day in the role entail? Working as an integral part of an agile team contributing towards the planning and development of systems/platforms. Collaborating with engineers, product owners and business analysts to define solutions, ways of working and share knowledge across the department. Reviewing code and providing support to members of your team. Working on client-facing applications in react / next.js Designing and building Node.js / GraphQL APIs. The ideal Senior JavaScript Engineer Senior level experience in modern...

Outside IR35,UK Wide Flexiablity, DevOps, Azure, React, .Net, Terraform, Azure, My leading client is leading client seeking an experienced DevOps Engineer to join on an Outside IR35 contract. This is a hands-on role focused on building and operating cloud-native platforms on Microsoft Azure, with a strong emphasis on Terraform, Kubernetes (AKS), and Azure DevOps. You'll work closely with engineering teams to enable modern application delivery, particularly across C#/.NET, React, and PostgreSQL-based solutions. Key Responsibilities: Design and build Azure infrastructure using Terraform (Infrastructure as Code); deploy and manage workloads on Azure Kubernetes Service (AKS); lead containerisation initiatives using Docker, Kubernetes, and Helm; build and optimise CI/CD pipelines in Azure DevOps; manage container lifecycle using Azure Container Registry (ACR); support workloads across AKS, ACI, and Azure App Services; implement secure, scalable environments using Azure Policy, RBAC,...

Outside IR35,UK Wide Flexiablity, DevOps, Azure, React, .Net, Terraform, Azure, My leading client is leading client seeking an experienced DevOps Engineer to join on an Outside IR35 contract. This is a hands-on role focused on building and operating cloud-native platforms on Microsoft Azure, with a strong emphasis on Terraform, Kubernetes (AKS), and Azure DevOps. You'll work closely with engineering teams to enable modern application delivery, particularly across C#/.NET, React, and PostgreSQL-based solutions. Key Responsibilities: Design and build Azure infrastructure using Terraform (Infrastructure as Code); deploy and manage workloads on Azure Kubernetes Service (AKS); lead containerisation initiatives using Docker, Kubernetes, and Helm; build and optimise CI/CD pipelines in Azure DevOps; manage container lifecycle using Azure Container Registry (ACR); support workloads across AKS, ACI, and Azure App Services; implement secure, scalable environments using Azure...

Outside IR35, UK Wide Flexiablity, DevOps, Azure, React, .Net, Terraform, Azure, My leading client is leading client seeking an experienced DevOps Engineer to join on an Outside IR35 contract. This is a hands-on role focused on building and operating cloud-native platforms on Microsoft Azure, with a strong emphasis on Terraform, Kubernetes (AKS), and Azure DevOps. You'll work closely with engineering teams to enable modern application delivery, particularly across C#/.NET, React, and PostgreSQL-based solutions. Key Responsibilities: Design and build Azure infrastructure using Terraform (Infrastructure as Code); deploy and manage workloads on Azure Kubernetes Service (AKS); lead containerisation initiatives using Docker, Kubernetes, and Helm; build and optimise CI/CD pipelines in Azure DevOps; manage container life cycle using Azure Container Registry (ACR); support workloads across AKS, ACI, and Azure App Services; implement secure, scalable environments using Azure Policy,...

SC Cleared JavaScript / TypeScript Developers (Frontend, Backend & Full Stack) – Defence Sector 📍 Fully Remote 💰 £650–£700 per day (Outside IR35) 📅 Initial 6-Month Contract (Rolling Extensions) 🔒 Active SC Clearance Required | DV Preferred We are supporting a leading public sector end client within the defence sector who are looking to engage three experienced Software Developers to join a long-term programme of work. Essential Skills Strong commercial experience with JavaScript and/or TypeScript Experience with React and/or Node.js Frontend, Backend or Full Stack development background Experience working within Agile delivery teams Active SC Clearance (must be currently active) Desirable Current DV Clearance Willingness and eligibility to undergo DV Clearance Previous experience delivering into Defence, Government or wider Public Sector environments Contract Details Outside IR35 £650–£700 per day Fully remote Initial 6-month contract Strong...

Delivery Lead - Outside IR35 - Contract (Insurance) About the role Delivery Leads are responsible for the successful delivery of our clients’ projects across the full lifecycle, from inception to launch and beyond. Typical project sizes range from 50 to 1,000 days, and our projects span multiple sectors and technologies. On this occasion, you’ll work alongside a client’s Finance function to make sense of their portfolio of change. You’ll help bring together the various Finance and CDO (Chief Data Officer) initiatives, build a shared view of the roadmap, and support the decisions on what order things should be delivered in – weighing each initiative on cost, ease, risk and value. This starts as a portfolio-shaping effort. Once the priorities are agreed, you’ll lead the delivery of that work, keeping it flowing and the team motivated, supported, and happy. Your job is to keep the delivery running smoothly and make sure the client has a positive experience...

Full Stack Engineer - Azure, C#, .Net, React/ReactJS Outside IR35 12 Month Contract Fully Remote (UK only) £400 - 425 Per Day We're currently working with a London based MedTech company who are searching for a Full Stack Engineer who has extensive experience working with Azure, C#, .NET and React/ReactJS. This project will see you working alongside a small existing team of developers, adding additional capacity to make business critical updates and enhancement to their existing Azure based core platform, with the bulk of the work will focus on enhancing the workflow engine! We are looking for an experienced Full Stack Engineer who is comfortable working on complex software platforms and is able to get up to speed quickly in new environments. Required Skills/Experience Extensive commercial experience with: Azure - Azure Functions, Azure API Management, Azure Services, Azure B2C Directory, Azure Pipelines etc React/ReactJS C# .Net/.NET Core Commercial experience...