101 to 125 of 129 React Jobs in Central London

.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) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … Core, C# and Azure SQL. You will receive training in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. At the centre of our client's culture is freedom and openness which takes a lot of people ...

Title: Frontend Engineer – React/TypeScript/Next.js Location: London (Hybrid – 2‐3 days in office) Salary: £70,000 – £75,000 + Equity About the Company You’ll join a fast‐scaling SaaS business that’s redefining how enterprise sales teams operate. Their platform uses advanced AI and deal‐intelligence … deep and product‐led. About the Role You will help shape the front end of a high‐impact product used by enterprise customers, using React , TypeScript , and Next.js . You’ll work across the full front‐end life cycle — from architecture and design collaboration, through to deployment and optimisation — delivering ...

Full Stack Software Engineer React Typescript Java Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title: Full … Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £85- £125,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily Front end React/typescript node.JS focused with a java base This ...

impatient for progress, then we're the place you'll thrive Regular Mario Kart action! To be successful, you will... Have experience with React/NodeJS Have expertise in Typescript/JavaScript, with proven experience in development role(s) Have exceptional problem-solving abilities, proven in diagnosing and fixing complex ...

services, APIs and trading engine components in C# Collaborate closely with strategy, quant and engineering teams Tech: C# .Net, ASP.Net, SQL/Oracle, JavaScript, React Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net … development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated ...

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 ...

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 ...

trust, clarity and psychological safety Take ownership of event-driven architecture using Node.js, TypeScript, DynamoDB and AWS Lambda, and build frontend applications in React/TypeScript Shape reusable software components across the stack and deliver major features from concept through to launch Access £1,200 annual learning budget, enhanced parental … patterns that scale across the platform Build event-driven applications using AWS Lambda and AWS API Gateway Contribute to modern frontend development (e.g., React or similar), ensuring great UX and accessibility Deliver major features from concept through to launch, taking ownership end-to-end Perform thorough code reviews, providing constructive ...

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 ...

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 ...

Senior Frontend Engineer (Contract)/React/TypeScript/Outside IR35/6 months/Immediate Start Evantis Technology is supporting a product engineering team seeking to hire a Senior Frontend Engineer to help evolve and improve a consumer-facing digital platform. The product currently operates within an existing commerce … focused, working closely with product and design teams while also contributing to API integrations where needed. They’re looking for someone who: Has strong React, JavaScript and TypeScript experience Has built modern frontend applications or product platforms Is comfortable working with APIs and backend services Enjoys problem-solving and thinking ...

mission, focused execution, and speed We deploy to production multiple times a day 🛠️ Tech Stack Backend: Python (FastAPI) + Typescript (express) Frontend: React + Typescript Infrastructure: AWS (serverless!), terraform Containerisation: Docker Database: PostgreSQL + DynamoDB CI/CD: GitHub actions + Blacksmith runners 👩💻 What You'll Do Build exceptional product … culture and strategy 🙋♂️ About you 5+ years of experience building and shipping production-grade web apps, with a focus on frontend Strong proficiency in React and TypeScript , with solid knowledge of modern frontend architecture, performance, and maintainability. Deep understanding of UI engineering principles, state management, component design, and scalable frontend ...

.Net Developer | Full Stack Engineer - Build the Future of Data Lineage & AI London (Hybrid) | High -I mpact SaaS Engineering Role C#, ASP.Net Core, TypeScript, React, Computer Science Company Size: Approx. 60 Salary Range : £75k-£95k + equity Spectrum Recruitment is partnered with a fast-growing, venture-backed SaaS company helping … innovate and influence technical direction. Join a collaborative culture with R&D time, knowledge sharing, and hackathons. Technology C#, .NET Core, ASP.NET Core, TypeScript, React, cloud-hosted SaaS architecture, and exposure to AI-assisted development and data visualisation. Who This Would Suit Established, Senior Engineers who enjoy solving complex problems ...

environment alongside experienced engineers and product specialists, helping to shape the future of media technology. Key Responsibilities Develop and maintain scalable, high-quality JavaScript (ReactJS/TypeScript) code Collaborate closely with engineering and product teams to deliver new features and tools Contribute to backend services using Node.js Work with systems … efficient state management Ensure code quality through testing frameworks Build and deploy using AWS cloud infrastructure Skills & Experience Required Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A/B Testing/Web Testing/Web Performance Proficient with ...

Node.js experience to help scale and evolve a platform used by online retailers, with a particular focus on reliability, performance, and clean engineering fundamentals. React experience is helpful, but the priority is backend and platform engineering. What you’ll be working on Building and scaling backend services in TypeScript/… your strength is backend) Comfortable owning work from concept to delivery Experience in eCommerce is useful, but not required Nice to have (not essential) React Experience building Shopify apps or working with Shopify APIs Event-driven architectures, serverless patterns, or modern observability tooling Package £60,000 to £80,000 depending ...

Jungle, it’s never been a more exciting time to join! Key Responsibilities: Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript. Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions. Contribute actively … practices in areas like system design, performance, security, and operational excellence. About you: 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack Proactive and self-driven, able to take ownership of tasks ...

looking for an exceptional Frontend Engineer with raw, hands‐on React Native expertise to join one of the fastest growing crypto exchanges world-wide. If you love solving complex mobile challenges, building smooth high‐performance apps, and working with modern frameworks—this is the role for you. This position … Mobile (React Native) and 20% Web (React), making it ideal for someone who is passionate about crafting premium mobile user experiences while still keeping a foot in modern web engineering. What You’ll Do Build, maintain, and scale high‐quality mobile applications using React Native, ensuring outstanding performance across ...

maintenance Write clean, scalable, high-quality code aligned with best practices Contribute to performance optimisation and secure coding standards Requirements Strong experience with React and/or React Native Experience with GraphQL and RESTful APIs Solid understanding of web fundamentals (DOM, CORS, browser storage, request/response lifecycle) Strong knowledge ...

documenting existing systems, with the goal of supporting decommissioning activities. The role centres on analysing current solutions built using Java, Node JS, and React, and developing a clear, end to end picture of how data flows across the wider programme. This includes documenting data flows, system dependencies, and underlying data … cloud environments such as AWS or Azure is expected, with Databricks considered a nice to have. Required Skills: Java background Node JS Json RDS React Data Modelling Python/Spark Cloud experience (AWS/Azure) o AWS Glue o Databricks Testing e.g. PyTest Data Quality e.g. Great Expectations ...

toward impact. We’d rather ship the wrong thing quickly and learn, than waste weeks polishing what nobody needs. Our tech stack: Primary: TypeScript, React, Node, SQL Frameworks: Express, React-hooks, Redux, RTK, Mantine Infrastructure: Docker, GCP, Kubernetes, Tracing, Prometheus While familiarity with our stack is helpful, we value your ...

ship, you own it, you improve it ✅ Comp that reflects the level, up to £136,000 (Senior) | up to £177,000 (Staff) The stack: React, TypeScript, design systems, component libraries, data-heavy UIs. If you've worked with graph-based visualisation or complex dashboards, even better. Who they're looking … Senior FE Engineers 5+ years, strong React/TypeScript, care about craft and performance → 1x Staff FE Engineer ready to own architecture, mentor others, and shape the frontend org This isn't a role for someone who wants a quiet life. It's for engineers who want complexity, ownership ...

help build out a new computer vision based intelligence product. We're looking for experienced Full-Stack engineers with extensive Typescript, Node.JS and React experience to join the team and build out a product that gives clinical teams access to real-time analytics improving patient outcomes in the hospital setting. … influence architecture on a product with real momentum Technical skills required: Strong TypeScript across both frontend and backend (Node.js) Modern frontend framework experience (React or similar) RESTful and/or GraphQL API design and development Database design and querying (SQL and/or NoSQL) Experience in regulated or data-sensitive ...

product, design, and back-end teams to deliver a robust, secure, and scalable user experience. Key Responsibilities Lead the development of UI components using React and Redux in a modern front-end environment. Implement server-side rendering (SSR) for performance, SEO, and secure rendering needs. Define the front-end architecture … auth flow, modern web architecture). Contribute to an engineering culture of innovation, quality, and continuous improvement. Required Skills & experience Strong commercial experience with React and Redux. Proven background delivering applications with server-side rendering (Next.js or custom SSR). Hands-on experience establishing front-end architecture on greenfield projects. ...