2,401 to 2,425 of 3,058 React Jobs in the UK

Full Stack Engineer - React/TypeScript/AWS - £70-80k 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 on an exciting growth journey, they are seeking Full Stack Engineers … help bring to life tools that make investing smarter, more transparent, and more sustainable. What you'll bring 4+ 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, or ESG innovation Nice to Haves … on experience with AI or agent frameworks (such as LangChain or LangGraph) Experience building something from scratch - whether a side project, startup, or open-source app Tech Stack Frontend: React, TypeScript, Next.js Backend: Node.js, GraphQL Database & Cloud: Postgres, AWS Why Join? Opportunity to contribute to a mission-driven product at the intersection of finance and sustainability Work within a collaborative More ❯

Real Time Full Stack Developer - Core Java, React/Typescript, Real Time, Front Office, Rates and Credit FI Trading, Investment Banking, London - Paying up to £86,000 My Client, A Leading Investment Bank is seeking an experienced Java Developer to join their London Team on a permanent Basis. You will join their Credit Trading team, assisting with the enhancement of … highly beneficial, in particular, Credit Risk/Trading Hands on experience working across Real Time, high performance Microservices Prior experience or appreciation of Front - End technologies like UI Constraints, React or Typescript. Prior expertise with deploying RESTful and event driven APIs. Previous experience working in teams following an agile methodology is beneficial More ❯

Real Time Full Stack Developer – Core Java, React/Typescript, Real Time, Front Office, Rates and Credit FI Trading, Investment Banking, London - Paying up to £86,000 My Client, A Leading Investment Bank is seeking an experienced Java Developer to join their London Team on a permanent Basis. You will join their Credit Trading team, assisting with the enhancement of … highly beneficial, in particular, Credit Risk/Trading Hands on experience working across Real Time, high performance Microservices Prior experience or appreciation of Front – End technologies like UI Constraints, React or Typescript. Prior expertise with deploying RESTful and event driven APIs. Previous experience working in teams following an agile methodology is beneficial More ❯

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 on an exciting growth journey, they are seeking Full Stack Engineers … help bring to life tools 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, or ESG innovation Nice to Haves … on experience with AI or agent frameworks (such as LangChain or LangGraph) Experience building something from scratch — whether a side project, startup, or open-source app Tech Stack Frontend: React, TypeScript, Next.js Backend: Node.js, GraphQL Database & Cloud: Postgres, AWS Why Join? Opportunity to contribute to a mission-driven product at the intersection of finance and sustainability Work within a collaborative More ❯

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 on an exciting growth journey, they are seeking Full Stack Engineers … help bring to life tools 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, or ESG innovation Nice to Haves … on experience with AI or agent frameworks (such as LangChain or LangGraph) Experience building something from scratch — whether a side project, startup, or open-source app Tech Stack Frontend: React, TypeScript, Next.js Backend: Node.js, GraphQL Database & Cloud: Postgres, AWS Why Join? Opportunity to contribute to a mission-driven product at the intersection of finance and sustainability Work within a collaborative More ❯

Real Time Full Stack Developer – Core Java, React/Typescript, Real Time, Front Office, Rates and Credit FI Trading, Investment Banking, London - Paying up to £86,000 My Client, A Leading Investment Bank is seeking an experienced Java Developer to join their London Team on a permanent Basis. You will join their Credit Trading team, assisting with the enhancement of … highly beneficial, in particular, Credit Risk/Trading Hands on experience working across Real Time, high performance Microservices Prior experience or appreciation of Front – End technologies like UI Constraints, React or Typescript. Prior expertise with deploying RESTful and event driven APIs. Previous experience working in teams following an agile methodology is beneficial More ❯

Real Time Full Stack Developer – Core Java, React/Typescript, Real Time, Front Office, Rates and Credit FI Trading, Investment Banking, London - Paying up to £86,000 My Client, A Leading Investment Bank is seeking an experienced Java Developer to join their London Team on a permanent Basis. You will join their Credit Trading team, assisting with the enhancement of … highly beneficial, in particular, Credit Risk/Trading Hands on experience working across Real Time, high performance Microservices Prior experience or appreciation of Front – End technologies like UI Constraints, React or Typescript. Prior expertise with deploying RESTful and event driven APIs. Previous experience working in teams following an agile methodology is beneficial More ❯

Full Stack Engineer and work directly with the CEO to build, ship, and scale new features from the ground up. What you’ll do: Build and own features across React + Python Influence architecture and product direction Keep production rock-solid and performant Drive code quality and collaborate with UX/UI designers What we’re looking for: 6+ years … full-stack experience Strong in React, TypeScript, and Python (or PHP) A hands-on engineer who loves ownership and impact Bonus: experience with OpenAI, Claude, or AWS Bedrock Why join: Salary up to £80k + equity Hybrid (London-based, Bracknell HQ) Real progression toward Lead/Head of Engineering as the business scales If you’re looking for a high More ❯

that help them identify, assess, 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 for both frontend and backend. Build More ❯

that help them identify, assess, 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 for both frontend and backend. Build More ❯

Full Stack Engineer and work directly with the CEO to build, ship, and scale new features from the ground up. What you’ll do: Build and own features across React + Python Influence architecture and product direction Keep production rock-solid and performant Drive code quality and collaborate with UX/UI designers What we’re looking for: 6+ years … full-stack experience Strong in React, TypeScript, and Python (or PHP) A hands-on engineer who loves ownership and impact Bonus: experience with OpenAI, Claude, or AWS Bedrock Why join: Salary up to £80k + equity Hybrid (London-based, Bracknell HQ) Real progression toward Lead/Head of Engineering as the business scales If you’re looking for a high More ❯

that help them identify, assess, 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 for both frontend and backend. Build More ❯

that help them identify, assess, 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 for both frontend and backend. Build More ❯

Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small, but ambitious tech-for-good/IoT startup based … cleaner, more maintainable code What were looking for: Strong hands-on experience with Node.js backend software development Comfortable working across or picking up other tech as needed ie AWS, React etc (If you have experience with AWS & React, that is a bonus) Enthusiasm for writing clean, tested, production-ready code Experience (or interest) in data-heavy systems, IoT, or connected More ❯

that help them identify, assess, 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 for both frontend and backend. Build More ❯

Engineering Lead – AI-SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £150,000 per annum plus equity Typescript/Node, React, GCP/AWS Engineering Lead - We’re working with an amazing scale-up who raised a very impressive Series B round earlier in 2025. They are building an AI-native … in the product and tech stack before taking on leadership responsibilities. What you’ll do Lead a small team of Engineers while staying deeply technical Contribute across the stack (React, Node.js/Typescript, GCP) with backend experience highly valued Shape and deliver high-quality features that scale with thousands of customers Advocate for engineering best practices and help raise the … Engineering Lead – AI-SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £150,000 per annum plus equity Typescript/Node, React, GCP/AWS More ❯

opportunities, faster. The Role We're looking for a Full Stack Developer with 1–2 years of commercial experience, who's comfortable working across the stack in C# and React, and who's excited by the potential of prompt engineering and AI integration. You'll be responsible for building, integrating, and optimising systems that bring structured intelligence from unstructured data … collaborative, and suited to someone who loves solving practical problems in a startup environment. What You'll Do Build and maintain scalable, high-quality features in C# (backend) and React (frontend). Develop and integrate prompt-based AI systems into production workflows. Transform unstructured text into structured, usable formats (e.g. JSON, tables). Experiment with prompt engineering and model fine … based, with the right to work in the UK. 1–2 years of commercial experience as a software developer. Strong backend development skills in C#/.NET. Experience with React and modern frontend workflows. Interest or experience in prompt engineering and working with LLMs. Understanding of transforming text into structured data formats. Practical mindset: you like shipping, testing, and iterating More ❯

FRONT END ENGINEER (AI/ML START UP COMPANY) UP TO 75k LONDON - HYBRID (2 DAYS A WEEK) React, Javascript, Typescript, GraphQL, TDD, CSS, HTML A start-up company is hiring a Front-End Engineer to join their growing team to work on R&D projects in Machine Learning and Data Visualisation. They are looking for a front-end engineer … a test-driven development approach Supporting the Data Science & ML functions Establishing and promoting the use of best practices in the software engineering life cycle YOUR SKILLS & EXPERIENCE: Essential: React Typescript TDD HTML CSS Nice to have: Figma Experience in a start up or scale up. THE SALARY & BENEFITS Salary is a maximum of 75k. INTERVIEW PROCESS (3 STAGES More ❯

and design team to build, prototype, and refine digital products across Reinhart’s ecosystem from experimental AI interfaces to public-facing web platforms. -Design and build responsive web apps (React/Next.js/Tailwind) -Integrate AI and automation tools (OpenAI API, LangChain, Make, Zapier) -Help shape and maintain our Figma/Framer design system -Build data-driven frontends with Firebase … Copilot, Cursor, Replit) to move fast while keeping design quality high -Collaborate with designers on UX, branding, and visual storytelling You'll Trive if you have: -Full-stack experience (React/Next.js/Node.js/SQL or NoSQL) -GitHub proficiency — clean commits, readable repos, and teamwork habits -Vibe coding ability — confident using AI-assisted dev tools to prototype and iterate … responsive design -A no-code mindset — fluent in Airtable, Make, or Notion integrations -A self-directed and proactive way of working , highly detail-driven and conscientious Our Stack: Next.js • React • Tailwind • Airtable • Make • Firebase • Framer • Figma • LangChain. Payload What we offer: Flexible, part-time role (≈ 2 days/week) Work on AI-enabled tech products with real impact Flat, creative More ❯

and design team to build, prototype, and refine digital products across Reinhart’s ecosystem from experimental AI interfaces to public-facing web platforms. -Design and build responsive web apps (React/Next.js/Tailwind) -Integrate AI and automation tools (OpenAI API, LangChain, Make, Zapier) -Help shape and maintain our Figma/Framer design system -Build data-driven frontends with Firebase … Copilot, Cursor, Replit) to move fast while keeping design quality high -Collaborate with designers on UX, branding, and visual storytelling You'll Trive if you have: -Full-stack experience (React/Next.js/Node.js/SQL or NoSQL) -GitHub proficiency — clean commits, readable repos, and teamwork habits -Vibe coding ability — confident using AI-assisted dev tools to prototype and iterate … responsive design -A no-code mindset — fluent in Airtable, Make, or Notion integrations -A self-directed and proactive way of working , highly detail-driven and conscientious Our Stack: Next.js • React • Tailwind • Airtable • Make • Firebase • Framer • Figma • LangChain. Payload What we offer: Flexible, part-time role (≈ 2 days/week) Work on AI-enabled tech products with real impact Flat, creative More ❯

well-engineered - but they’re still innovating and improving the product and want new ideas/creative people. They’re now looking for a Senior Frontend Developer who: Knows React + TypeScript well Writes clean, scalable, maintainable code Cares about how things look and feel for the end user We’re also open to speaking with Full Stack Developers who … love working with React and Antd (or other UI framework) . You don’t need to be a designer, but you’ll need a good eye for detail and a collaborative mindset. 💡 The nice bits: Hybrid setup (3 days in Cardiff, 2 from home) £55,000 - £60,000 salary Supportive, open-minded team that’s embracing AI-assisted coding Space More ❯

well-engineered - but they're still innovating and improving the product and want new ideas/creative people. They're now looking for a Senior Frontend Developer who: Knows React + TypeScript well Writes clean, scalable, maintainable code Cares about how things look and feel for the end user We're also open to speaking with Full Stack Developers who … love working with React and Antd (or other UI framework) . You don't need to be a designer, but you'll need a good eye for detail and a collaborative mindset. The nice bits: Hybrid setup (3 days in Cardiff, 2 from home) £55,000 - £60,000 salary Supportive, open-minded team that's embracing AI-assisted coding Space More ❯

well-engineered - but they’re still innovating and improving the product and want new ideas/creative people. They’re now looking for a Senior Frontend Developer who: Knows React + TypeScript well Writes clean, scalable, maintainable code Cares about how things look and feel for the end user We’re also open to speaking with Full Stack Developers who … love working with React and Antd (or other UI framework) . You don’t need to be a designer, but you’ll need a good eye for detail and a collaborative mindset. 💡 The nice bits: Hybrid setup (3 days in Cardiff, 2 from home) £55,000 - £60,000 salary Supportive, open-minded team that’s embracing AI-assisted coding Space More ❯

frontend engineers to define and implement our frontend strategy. Take shared ownership of our frontend architecture, ensuring performance, scalability, and reliability. Build and maintain high-quality user interfaces using React, TypeScript, and JavaScript. Contribute to a culture of excellence by reviewing code, mentoring peers, and sharing knowledge with the team. Work with designers and backend engineers to create seamless and … solutions clearly while remaining open to feedback and suggestions. Requirements: 8+ years experience as a frontend engineer AI-savviness, curiosity and enthusiasm - proven optimisation of your workflows through AI React knowledge: Hooks, React principles, and best practices. JavaScript knowledge: Understanding of common APIs and how to use them effectively. TypeScript knowledge, including: Built-in utility types. Custom utility types. Advanced More ❯

Mid-Level Software Developer - MedTech | Cambridge (Hybrid) PHP | JavaScript | React | MySQL | AWS £40,000 - £50,000 DOE Are you a Software Developer who wants to see your work make a real difference to people's lives Join a growing MedTech business in Cambridge that's building innovative software to improve healthcare outcomes and empower clinicians worldwide. You'll be part … Thursday & Friday) and 2 days from home - giving you the balance of teamwork and flexibility. What You'll Be Doing Developing and maintaining scalable applications using PHP , JavaScript , and React . Working on new product features that directly impact healthcare professionals and patients. Writing clean, maintainable code and contributing to architectural discussions. Collaborating with other developers, product owners, and stakeholders … focus on performance and reliability. Working in a supportive environment that values learning, growth, and technical curiosity. What We're Looking For Commercial experience with PHP and modern JavaScript (React) . Good understanding of MySQL and relational database design. Experience deploying or maintaining services in AWS (or another cloud platform). Strong problem-solving skills and attention to detail. A More ❯