276 to 300 of 310 React Jobs in Central London

manage, and mitigate risks effectively. Their platform offers software solutions that support enterprise risk management, compliance management, health and safety, and incident reporting. Stack: React, Node, Nextjs, AWS Responsibilites: Develop and maintain responsive web applications using React and Next.js for frontend development. Write scalable, reusable, and efficient TypeScript code ...

project. This is a fully remote role, open to candidates based in the UK only . 🔧 Key Requirements 3+ years of professional TypeScript experience React.js + Node.js 100% Remote (UK-based only) 💡 Desirable Skills Knowledge of SQL or React Experience with AI/LLMs or RAG (Retrieval-Augmented Generation) Familiarity ...

working with a leading SaaS company, who specialise in building AI Products. They are looking for a Java Developers, ideally with some React.JS to join their team Year's of experience - 1-5 years Stack; Java 17/21 AWS TDD CI/CD React.js/TypeScript This role ...

Senior Frontend Engineer – Join a profitable FinTech Scale-Up 🚀 💰Up to £110,000 🏡Hybrid working – once a week onsite in London 💻React, TypeScript, API experience We’re partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed … measure the impact you’re making on the product and how this can shape future product decisions Build and develop code in TypeScript and React and continue to contribute to a high-performing codebase Work closely with Backend Engineers to shape and integrate APIs to ensure seamless data flow ...

Engineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £125,000 plus excellent stock options London Office - 2 days a week Next.js | React | Typescript | Node Are you a product-focused Senior Full Stack Engineer who enjoys autonomy and wants to build products from … their industry disrupting, AI-powered SaaS platform. The Senior Full Stack Engineers will have a high degree of autonomy, using modern technology like Next.js, React and Typescript to build new products and features across the stack, making decisions to deliver outstanding user experience to their customers. They believe in building ...

Senior Full Stack Engineer – React/TypeScript/AWS – £80–90k We are partnering with a well-funded startup that is building an innovative platform empowering private investors to manage their portfolios not only for financial performance but also for sustainability and ESG impact. As an AI-native platform … that make investing smarter, more transparent, and more sustainable. What you’ll bring 5+ years of experience building production web applications Solid experience with React, TypeScript, and Node.js Familiarity with Next.js and GraphQL Previous startup experience A passion for clean code and intuitive product design Interest in fintech, investing ...

Senior Software Engineer – Join a scaling Series A 🚀 💰Up to £110,000 🏡Hybrid working – London based - 2 days a week onsite 💻React.js, TypeScript and Node.js We’re partnered with a tech driven Scale-Up in London who have successfully achieved Series A this year and they are looking to scale … scale! You’ll be joining their engineering team where you’ll have the opportunity to lead implementations across their entire product stack across React.js, TypeScript and Node.js – this team is dedicated to building their customer-facing web product which is a Data & SaaS platform. This role will be within ...

problems, building better products, and delivering exceptional customer experiences. What You’ll Do Architect the platform: Define patterns, conventions, and tooling that keep the React + TypeScript codebase fast, modular, and maintainable. Evolve design systems: Lead on design tokens, accessibility standards, and Storybook workflows to drive consistency and speed … raise the overall engineering bar. Collaborate deeply: Partner with cross-functional teams to translate complex, ambiguous problems into elegant, scalable solutions. Tech Ecosystem React · TypeScript · Vite · Next.js · WebAssembly (DuckDB, WebGPU) · D3/visx · Storybook · Tailwind CSS · Jest · Cypress · Playwright What You Bring 8+ years building and evolving large-scale ...

Senior Frontend Developer – TypeScript, React 2 days p/week in London Up to £100k Would you like the opportunity to join an early-stage start-up who are looking to revolutionise the logistics space? They recently closed a round of funding and are now seeking a Senior Frontend Developer … confident working with React and TypeScript. As a Senior Frontend Developer, you will be responsible for taking their product to the next level. You will be directly responsible for developing and maintaining their frontend application, while working closely with the Head of Engineering. Previous start-up experience would ...

Junior-Mid Fullstack Engineer (React/Python) Salary: Up to £65k Location: 1 day p/week in London Junior-Mid Fullstack Engineer (React/Python) - would you like the opportunity to work for a start-up who are helping organisations reduce their energy costs? They have raised over £2.5 … with Python. Experience working with Django. AWS. Bonus if you have worked in start-ups before. If you’re a Junior-Mid Fullstack Engineer (React, Python) looking for a new challenge, please apply. ...

backend development experience using TypeScript and NestJS Experience building APIs using REST and GraphQL and working with ORMs (e.g., Sequelize) Strong frontend experience with React and modern UI frameworks Experience working with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Technical Skills Backend: TypeScript, NestJS, Sequelize … REST APIs, GraphQL, MySQL, NoSQL, Kafka Frontend: React, Next.js, TypeScript, Chakra UI, React Query, GraphQL integration Tools & Design: Ability to work from Figma designs and translate complex requirements into code Nice to Have Experience working in startups or high-growth environments Exposure to AWS and Kubernetes Familiarity with workflow engines ...

+ meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe ...

full stack (cybersecurity experience is a strong plus) Backend: TypeScript, NestJS, REST APIs, GraphQLor similar ORM, MySQL and NoSQL, Kafka or similar Frontend: React, Next.js, TypeScript, Chakra UI, React Query (or similar), GraphQL integration Comfortable working with complex dashboards and data-heavy UIs Able to interpret designs and flows from ...

full stack (cybersecurity experience is a strong plus) Backend: TypeScript, NestJS, REST APIs, GraphQLor similar ORM, MySQL and NoSQL, Kafka or similar Frontend: React, Next.js, TypeScript, Chakra UI, React Query (or similar), GraphQL integration Comfortable working with complex dashboards and data-heavy UIs Able to interpret designs and flows from ...

Fullstack Software Engineer | Python/Reactjs | Series B Scale Up Role : Fullstack Software Engineer (Mid and Senior vacancies) Technical Environment: Python, Reactjs, AWS, AI Product Salary : £75,000 through to £110,000 depending on seniority Location : Central London - hybrid, 1-2 days a week We're partnered with a rapidly … 3+ years of commercial software Engineering experience A product and customer focussed approach to building software Ability to work on the front end with ReactJS Experience owning the end to end development lifecycle, including deployments Fullstack Software Engineer | Python/Reactjs | Series B Scale ...

Staff Frontend Engineer (React) 💸 £100-110k + package incl. equity 📍London hub - hybrid working (2 days pw) 💻React, Next.js, Typescript, Postgres, Kafka, Vercel, AWS etc. Does joining a near profitable AI start-up (B2B SaaS) already working with global leaders in SaaS to improve efficiency and revenue interest … scale up environment Experience working within a startup environment with autonomy Have previously worked with cloud native technologies at scale (ideally AWS) Technical Environment: React, Next.js, Typescript, Postgres, Kafka, Vercel, AWS etc. If you’re a Senior Frontend Engineer looking for an opportunity to join a start ...

This role will allow you to own the end-to-end delivery of complex features, building and scaling high-quality solutions using Node.js and React.js while playing a key role in architecture and system design decisions. Who are you? Strong experience with both Node.JS and React (ideally stronger ...

Senior Software Engineer – DeepTech Scale-Up - London - Hybrid Senior Software Engineer required (TypeScript/React/Node) to join a fast-growing London-based scale-up on a mission to build a next-generation data platform. You will work across the stack, making senior level contributions in TypeScript , React … ahead, this is an opportunity to shape a product with real impact. About You: 4+ years experience in software engineering Strong proficiency in TypeScript , React , Node , PostgreSQL Ability to own complex features from concept to ship Comfortable in a fast-moving scale-up environment Looking to join a world-class ...

Serverside Kotlin Engineers We are looking for multiple Kotlin Engineers, who come from a Java background with ideally some knowledge of React.JS or TypeScript to work on a long term project. You will have minimum 3+ years serverside Kotlin experience 2 days a week in London, 3 days WFH Stack … Java/Kotlin, AWS, Kafka, React.js £95k - £125k ...

named a Disruptor in the industry for their mission that is putting users in control of how their data is being used! ⚒️ Tech stack: React, JavaScript, Next.js ✨ Your role: as the Senior Frontend Engineer you'll partner with the backend and mobile teams to work across their core consumer … your work being the forefront of daily user interactions 📍Location: 2 days onsite 👀 Requirements: 4-5+ years commercial frontend web development experience using React You're an expert in JavaScript Previously worked on B2C products Comfortable working at pace and in a smaller team environment This opportunity cannot provide ...

Rapidly prototype dashboards and visualisations to meet urgent business needs. Architect and build production-grade, reusable frontend solutions using modern frameworks (React, TypeScript, etc). Ensure scalability, performance, and reliability across multiple business units. Integrate solutions with enterprise APIs and data sources, supporting cloud-native deployments. Collaborate closely with Data … data-driven environments. Deep expertise in Tableau, PowerBI, or similar tools for rapid prototyping and stakeholder engagement. Hands-on experience with modern frontend frameworks (React, TypeScript). Cloud experience (AWS preferred) and knowledge of scalable deployment and API integration. Proven track record of delivering production-ready, robust frontend solutions. Excellent ...

SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £130,000 + equity Typescript/Node, React, GCP/AWS Senior Product Engineer - We’re working with a rapidly scaling AI-native SaaS company who raised an impressive Series B round … SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £130,000 + equity Typescript/Node, React, GCP/ ...

implement cutting-edge prompting methods to maximize model efficacy. Full-Stack Impact: While focused on AI, you’ll work across the stack (Python, Postgres, React) to ensure our research translates into a seamless user experience. 💡 About Solve Intelligence We are the fastest-growing startup transforming the IP landscape. … pipelines into live environments. LLM Mastery: Practical experience with prompt engineering and modern LLM architectures. Technical Versatility: Familiarity with the full stack (Postgres, TypeScript, React). Clear Communication: Ability to articulate complex technical decisions clearly. Nice-to-Haves: Publications at top ML conferences (NeurIPS, ICLR, ICML). Familiarity with frameworks ...

About the Company We are partnering with a fast-growing, AI-first company to build enterprise-grade intelligent systems that are already live in real-world, high-impact environments. About the Role This role is ...

Software Engineer (Mid or Senior) ⚛️ TypeScript, Node, React, Next.js 🌱 AI powered SaaS Start-up 🏠 3 days p/week in London 💷 £70-90K (4-5+ years' experience) 🧑 🎓 Comp Sci or related STEM BSc/MSc is a must have This is a huge opportunity to have a tonne … projects and influence decisions. Established Seniors or highly capable mid/mid-seniors looking for more recognition are both suitable. Stack is TypeScript, Node, React, Next.js and you must either be 50/50 or Backend leaning . You MUST be up for working in a fast paced start ...