51 to 75 of 340 React Jobs in Central London

Knowledge of best practices in security, performance and accessibility Skills, knowledge, and experience: Must have: 8+ years of experience in frontend development Demonstrated strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional More ❯

you hide behind Jira tickets. You’ll be hands-on , trusted to make big decisions, and involved across the full stack. You’ll be working with: 🧠 Python (Django) ⚡ JavaScript (React or Vue) ☁️ AWS 🔁 CI/CD 💾 SQL 🤖 GenAI, RAG pipelines & API integrations What we’re looking for: Someone who can deliver end-to-end technical solutions independently Excellent communicator (small More ❯

event-driven backend systems Experience building real-time or streaming systems, or systems with very high throughput demands. Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Staff Software Engineer | GO/Python | £600-£800/day | Outside IR35 More ❯

software products or customer solutions. What you need to succeed 8+ years of experience in modern programming languages, preferably Java and TypeScript, working with a variety of technologies, including ReactJS, MongoDB, PostgreSQL. Experience using Kubernetes, Docker, and Jenkins, for containerisation and CI/CD is a plus. Knowledge of scalable distributed systems with a deep understanding of object-oriented design More ❯

of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They More ❯

in software development and hands-on experience in building large-scale services/distributed systems. Shopify platforms and Figma experience a MUST. Experience in Shopify Hydrogen framework built with React that allows developers to create custom, high-performance storefronts for Shopify, effectively using a headless approach Experience in building end to end eCommerce technology solutions with Shopify and associated systems More ❯

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 More ❯

Strong background in .NET (C#), SQL Server, SSIS/SSAS, T-SQL Experience of data engineering, ETL/ELT pipelines, Azure services (Data Factory, Synapse, Data Lake) Exposure with React/Angular/TypeScript Knowledge of CI/CD and DevOps practices Proven track record of leading development teams and engaging with stakeholders Commodities trading experience is a plus but More ❯

a dynamic startup environment Qualifications Microsoft Azure experience, particularly R integration Application containerization knowledge (Docker, etc.) Familiarity with Python, JavaScript, C++, bash, or other languages Web application development experience (React, .NET) Background in data security and IP protection workflows Knowledge of environmental sustainability concepts (carbon footprinting, lifecycle analysis, environmental modeling) Experience in agricultural or land management sectors If you are More ❯

are just as important as experience. About you ✨ You’ll thrive in this role if you are: Skilled in TypeScript across the stack (Node.js with Koa/Express and React or similar) Experienced with cloud platforms (GCP preferred: Cloud Run, Cloud Functions) and CI/CD pipelines ☁️ Confident with databases (Firestore or other NoSQL) and infrastructure patterns (Terraform/IaC More ❯

working in their Gen AI team, working across Python, TypeScript and React. We are looking for strong product led engineers, not just high scale specialists. Tech Stack: Python, TS, React, React Native, Cloud, DevOps, AI/LLMs, Vector Databases. The client are looking for someone to start as soon as possible and they are moving quickly with interviews! Please apply More ❯

with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute to backend services and APIs (Python or Laravel-based) Help re-platform and migrate More ❯

experience with WordPress Strong knowledge of Gutenberg and best practices Ability to create custom Gutenberg blocks Knowledge of PHP, HTML and CSS Front End development experience in JavaScript and React Knowledge of VCS and Git Ability to communicate your ways of working and collaborate with team members As a WordPress developer, this is a unique opportunity to join a market More ❯

strong technical expertise: Proficient in design best practices. Experience: Solid hands-on coding experience with C#/.NET .Net 6+ & .Net Framework Entity Framework/Entity Framework Core SQL React & TypeScript - The role in a heavily BE-leaning, but it needs to have a good FE understanding Please reach out if this sounds like the role for you More ❯

and Infrastructure • AWS and cloud architecture • Infrastructure as code using Terraform and CloudFormation • Docker and Kubernetes • Automation and CI/CD pipelines • GitHub and GitHub Actions Software and Frameworks • React, Node, Next.js, Python • API design and integration • RESTful services and automation Data and Platforms • Salesforce • Google Workspace • Atlassian tools such as Jira and Confluence • Databases including DynamoDB, MongoDB, and RDS More ❯

class pedigrees. Help redefine a stagnant industry through user experience and technical excellence. Fast-moving, well-funded startup with multiple years of runway. What they’re looking for: Deep React + TypeScript experience Strong eye for design, performance, and maintainability Proven ability to lead or set best practices in front-end architecture Bonus: AWS, Python, or backend familiarity 💰 £120K base More ❯

software development or quantitative role. Strong programming skills in Python, C, C++, SQL , and/or C# . Solid understanding of Linux systems. Nice-to-haves Familiarity with TypeScript, React, and SASS/SCSS is a plus. Understanding of financial derivatives , including volatility modelling and stochastic calculus , is beneficial. Knowledge of networking protocols (TCP/IP, FIX, multicast/unicast More ❯

infrastructure. The role They’re hiring Senior Full-Stack Engineers (backend-leaning, ~65/35) to help scale intelligent, high-performance systems across: Node.js, TypeScript, GraphQL AWS serverless architecture React (supporting product UI work) Postgres, Redis, and modern tooling You’ll have significant ownership, working directly with founders and product to design and ship features that solve complex operational challenges More ❯

insights into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven More ❯

with a genuine commitment to team growth and wellbeing. Strong hands-on skills in: AWS (or equivalent cloud platforms) Python/PySpark for data engineering and automation TypeScript, Node.js, React.js for full-stack development Solid grasp of distributed systems design, secure coding, and data privacy principles. Familiarity with fraud detection models, anomaly detection, and rule-based systems. Experience with modern More ❯

server-side) Cloud & Infra: AWS (cloud-based architectures), Docker, CI/CD; IaC such as Terraform or CloudFormation Quality & Ops: Security and observability tooling/best practices Bonus exposure: React on the front end (nice to have) What we’re looking for We value skill and impact over strict year counts. You should have: Strong TypeScript/JavaScript fundamentals and More ❯

high-performance team - if you're 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 technical issues Have excellent More ❯

a challenger bank in London who are building the next generation of financial products. We are looking for Senior Full Stack Engineers with strong experience across Python, TypeScript and React (with a good eye for UI). The ideal candidate will have worked in FinTech (not essential), ideally in a start-up or scale up environment with a proven track … of working in lean product teams with a deep focus on system design. We are looking for strong product led engineers, not high scale specialists. Tech Stack: Python, TypeScript, React, React Native, AWS, DevOps. The client are looking for someone to start as soon as possible and they are moving quickly with interviews! Please apply now for more information! Senior More ❯

a start-up or scale up environment with a proven track record of working in lean product teams with a deep focus on system design. Tech Stack: Python, TypeScript, React, React Native, AWS, DevOps. The client are looking for someone to start as soon as possible and they are moving quickly with interviews! Please apply now for more information! Senior More ❯

quality and best practices, actively contributing to code reviews and collaborative programming sessions with your team. As a Senior Software Engineer, you will be experienced with: C#, .Netcore JavaScript, React.js AWS Key information: Up to £475 per day Outside IR35 9 months rolling Hybrid Monthly (London) This is an exciting opportunity for a Senior Software Engineer to join a high More ❯