251 to 275 of 320 React Jobs in London

TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. … their London office. It is a full-time role, 40 hours per week. Accountabilities: Develop and maintain scalable and responsive web applications using React.js and TypeScript. Collaborate with UX/UI designers to implement modern, intuitive, and visually appealing user interfaces. Write clean, maintainable, and efficient code while adhering ...

standards Defining the technical strategy for the Connect 2.0 migration away from Service Fabric Architecting scalable backend systems on Kubernetes Driving frontend development using React Collaborating with partner agencies to ensure consistent engineering excellence Making strategic decisions across integration approaches, frameworks, and cloud infrastructure Contributing to a modern, secure, high … performing SaaS platform Influencing product direction alongside product and engineering leadership What You'll Bring Strong engineering background with both backend (Kubernetes) and frontend (React) expertise Proven ability to lead engineering teams or mentor developers Experience designing and scaling modern SaaS platforms Solid expertise with cloud technologies (Azure ideal) Ability ...

system rather than a greenfield build, where the focus is on performance, reliability, and clean architecture. The role is frontend-leaning (around 70-80% React), but you'll still be working across the stack using modern JavaScript and Node.js, taking ownership of features from design through to production while contributing … alongside observability tooling such as Grafana and Prometheus. What they're looking for 6-10+ years of software engineering experience Strong, hands-on React in production environments Solid experience with JavaScript across the stack Excellent JavaScript fundamentals (non-negotiable) Experience working on complex, production systems Exposure to system design ...

front-end technologies. You will write clean, maintainable code and ensure optimal performance across all devices. Key responsibilities: - Develop new user-facing features using React, Vue, or Angular - Build reusable code and libraries for future use - Ensure the technical feasibility of UI/UX designs - Optimize applications for maximum speed … What we're looking for: - 3+ years of front-end development experience - Strong proficiency in JavaScript, HTML, CSS - Experience with modern front-end frameworks (React, Vue, or Angular) - Knowledge of RESTful APIs and async request handling - Familiarity with version control tools (Git) - Understanding of cross-browser compatibility issues - Experience with ...

SharePoint Online Lead migration of SharePoint 2016 on-premise solutions to SE and Online Build SPFx web parts, extensions, and integrations using TypeScript, JavaScript, React, and REST APIs Manage updates, patches, and service packs to ensure stability, security, and compliance Administer service and web applications, site collections, permissions, authentication … Edition (SE) and SharePoint Online, including migration from SharePoint 2016 on-premise Strong expertise in SPFx development and modern front-end technologies (TypeScript, JavaScript, React, HTML5, CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades ...

.NET Developer (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying … have a sound understanding of object orientated (OO) development and a skill that that includes: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a .NET Developer to working within a challenging supportive environment. Top performers ...

Junior .NET Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client has established themselves … following (full training will be provided to fill any gaps in your skill set): .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a Junior .NET Developer to working within a challenging supportive environment. Top performers ...

simulations and experiments. Responsibilities include: Building and maintaining backend services in Python , including APIs and data-processing pipelines Developing frontend applications using Next.js and React Designing and implementing FastAPI endpoints for data-intensive application Writing robust tests using pytest and managing CI workflows via GitHub Actions Collaborating with engineers … software developer Strong proficiency in Python for backend development Experience building APIs and production services Experience developing modern frontend applications using Next.js and React Solid understanding of REST APIs and client–server architecture Experience with testing frameworks (pytest) and CI/CD pipelines Familiarity with TypeScript, CSS frameworks and component ...

production-quality code and you ship fast. You’ve built and deployed real systems, not just prototypes. Genuinely full-stack. Backend, infrastructure, and frontend (React/TypeScript). You don’t wait for someone else to build the other half. Experience with event-driven or workflow orchestration systems. You understand … many years you’ve been working - we care about what you’ve shipped Whether you’ve published papers Tech Stack Backend: Python Frontend: TypeScript, React, Vite Infrastructure: AWS (EKS), Docker, Inngest (event-driven orchestration) Tools: Cursor, Claude Code, GitHub Why Join Ownership. Significant equity as a founding engineer. The platform ...

Kubernetes, CI/CD pipelines, Terraform, monitoring, performance optimisation, and cost control. Design, develop, and maintain backend services in Python, and contribute to React, TypeScript, and PHP codebases when required. Lead evaluation and iteration cycles, including defining and tracking offline and online metrics, running A/B tests, meeting latency … effective chunking strategies. Strong Python as a primary language, with solid testing practices and CI/CD experience; able to contribute when needed in React, TypeScript, and PHP or Node.js. Cloud and platform engineering skills, including AWS, Kubernetes, Docker, infrastructure as code, and modern observability tooling. Hands‐on experience with ...

Senior Software Engineer Location: London - Hybrid Salary: £70,000-85,000 Tech stack: Typescript & Node.js Maxwell Bond have partnered with a leading SaaS business who are looking for a Senior Software Engineer, with a focus ...

mobile products. You will play a pivotal role in high-impact projects across our entire stack, from crafting polished user interfaces in Next.js and React Native to building robust backend services in Python. This is a high-impact opportunity for someone eager to learn fast, take ownership, solve real problems … help power the next generation of educational technology. Role Responsibilities Build and maintain features across our web app (Next.js) and mobile app (React Native) Contribute to our Python backend and help improve API performance Collaborate on database design and write efficient queries in Postgres Work with AWS services to deploy ...

specs, deployment runbooks Tech Stack & Environment Zeus is built on a consistent TypeScript-first stack: Node.js + TypeScript for backend services Angular (primary) and React for web UI React Native for cross-platform mobile. Our AI/optimisation modules are a deliberate “best tool for the job” exception, implemented ...

Senior Full-Stack Engineer/Software Developer/JavaScript Engineer (Node.js/React/Next.js – AWS Serverless) London (Hybrid – Farringdon Tues/Weds/Thurs) £85k–£90k + Bonus + Excellent Benefits Discretionary bonus (10%), Private Healthcare, 25 Days holiday, 5% pension, Life Insurance, 2 Volunteering days a year, Season … experiences while also designing and developing Node.js APIs and backend services that power them. Key areas of work include: Building modern frontend applications with React and Next.js Designing and developing Node.js APIs Creating scalable backend services within AWS serverless architecture Solving complex workflow and discovery challenges Improving performance, reliability ...

Full Stack Software Engineer - TypeScript/React/Postgres/AWS/Terraform/DevOps We are looking for a number of highly motivated Full Stack Software Engineers to join a fast-growing industrial tech startup focused on reinventing manufacturing. You will play a central role in building and scaling … looking for 2–5 years of full-stack software development experience, exceptions made for exceptional talent. Strong programming skills, ideally in TypeScript and React, with experience in Postgres, AWS, Terraform, and DevOps. Ability to work independently in a high-autonomy environment. Experience translating operational challenges into impactful software solutions. Bonus ...

help shape a newly formed innovation-focused function within a mission-led organisation. 💼 The Role Involves: Cross-functional engineering using Python (Django) and React Getting hands-on with DevOps , security , and scalable infrastructure Picking up projects from across the business that require fast, thoughtful execution Collaborating with diverse technical … technical stakeholders ✅ Key Requirements: 3+ years of commercial experience across Python, React, Django DevOps tooling experience (Docker, GitLab, CI/CD, AWS) Security awareness and generalist engineering mindset Comfortable jumping between different domains and projects Strong communicator who thrives in cross-functional environments ...

this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title : Lead UI Developer/React Contract : Initial 12-Month Contract with potential to extend . Location : London (In office) Rate : £850 - £900 inside umbrella What You'll Do: As the Lead … Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission-critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping robust UI architectures used in demanding trading workflows. Back-End: Strong working knowledge of Java, capable of contributing effectively ...

global financial markets. Requirements : 1–4 years of experience working with JavaScript in a professional environment. Experience with modern front-end frameworks such as React or Angular . Strong understanding of front-end fundamentals , including component-based architecture, state management, and performance considerations. Some exposure to a backend language such ...

scalable, secure, and reliable systems Experience managing real‐time communication technologies like WebRTC and video consultation infrastructure Platform & Development Proficiency with modern web frameworks (React, Node.js, Next.js) and mobile development platforms (iOS, Android, React Native, Flutter) Familiarity with API design, microservices, and payment integration systems (e.g., Stripe) Leadership & Strategic Qualities ...

Full Stack Software Engineer (Java/C#/React) – Broadcast & Video Technology Location: London Area - Hybrid Full-Time Contract Rates: Negotiable We are looking for a versatile Full Stack Software Engineer to join our engineering team working on cutting-edge solutions in the broadcast and media technology space . This … features across backend services and frontend applications Building and maintaining scalable APIs and microservices Developing intuitive and performant user interfaces using React Working with event-driven architectures and distributed systems Supporting and troubleshooting production systems Collaborating with engineers, product teams, and stakeholders to deliver high-quality solutions Contributing ...

React/TypeScript Developer – Contract 📍 Canary Wharf, London (4 days onsite) 💰 £500 per day (Inside IR35) 📅 6 Month Contract We are currently working with a consultancy that is looking to bring an experienced React/TypeScript Developer on board for an initial 6-month contract . This role will involve … someone who enjoys building scalable front-end systems while contributing to engineering best practices and team culture. Key Responsibilities Design and develop high-quality React components and ensure seamless integration with backend systems to enable efficient data exchange. Continuously review services and components, identifying opportunities to improve performance, scalability ...

Frontend Engineer – Fintech SaaS Location - Central London Hybrid 1 day a week in the office Tech stack – React, Typescript, Tailwind, MobX Neulinx is partnering with a growing fintech SaaS startup who are looking to hire a mid level Frontend Developer . Our client is transforming accounting through automation. Backed … product direction. The company is open to those who don’t have an accounting background but are keen to learn the domain. Tech Stack React TypeScript MobX Tailwind CSS Key Skills & Experience 2+ years' experience as a frontend engineer in a startup or fast-paced product environment Strong proficiency with ...

teams review assets against regulatory policies using structured workflows and AI-driven analysis. Our system includes a production-grade Node.js + TypeScript backend, a React + TypeScript frontend, multi-tenant organisation management, role-based access control, and AI-integrated compliance checks. We are a focused team building a scalable SaaS … Full Stack Engineer with strong backend experience to help build and maintain our core platform. You will work across our Node.js API and React frontend, delivering new features, improving existing workflows, and maintaining system reliability. What You’ll Do This is a hands-on product engineering role with real ownership. ...

conception to deployment, ensuring fault-tolerance in high-stakes environments. Key requirements: 2–6 years of experience in Full Stack development. Proficiency in TypeScript, React, and Postgres. Experience with AWS, Terraform, and modern DevOps practices. A generalist mindset with a passion for real-world impact (UX/frontend experience … plus). Ability to work 5 days a week onsite to collaborate with physical production teams. Keywords: Fullstack Engineer/TypeScript/React/AWS/Terraform/Postgres/Industrial Automation/DevOps/Factory OS/Startup/London/Manufacturing Tech If you are interested in this ...

Full Stack Developer X2 (Mid-Level – React, Node) – Product Development (Remote, UK-based) £50k - £60k Full Stack Software Developer required to join our client’s growing Product Development team. This is a unique opportunity to work remotely in the UK, contribute to modern digital platforms, and shape the future … architecture They work with a variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone ...