1 to 25 of 36 React Developer Jobs in London

Job Title : Frontend Developer (React) - Elite Quant Fund (up to £140K + Bonus + Hybrid) Client : Elite Quant Fund Salary : Up to £140,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Quant Fund who are … looking for an experienced Frontend Developer (React) to enhance the user experience on their sophisticated research and trading platforms. As a Frontend Developer (React), you will use React and Typescript to develop fully-fledged applications facilitating real-time data access, and … in the financial sector. Key Requirements : Degree in Computer Science or STEM based subjects. Strong programming skills as a Frontend Developer (React) . Python is a bonus. 4+ years of work experience in a relevant role such as software or quant development or technology. Proficiency in More ❯

Job Title : Frontend Developer (React) - Elite Quant Fund (up to £140K + Bonus + Hybrid) Client : Elite Quant Fund Salary : Up to £140,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Quant Fund who are … looking for an experienced Frontend Developer (React) to enhance the user experience on their sophisticated research and trading platforms. As a Frontend Developer (React), you will use React and Typescript to develop fully-fledged applications facilitating real-time data access, and … in the financial sector. Key Requirements : Degree in Computer Science or STEM based subjects. Strong programming skills as a Frontend Developer (React) . Python is a bonus. 4+ years of work experience in a relevant role such as software or quant development or technology. Proficiency in More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now actively seeking a … Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be directly responsible for developing and maintaining their frontend application … data team. The team are built around working together, collaborating when they can, and encourage sharing ideas. Key requirements: Experience with their stack: TypeScript, React, Next.js. AWS. Enjoy coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now actively seeking a … Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be directly responsible for developing and maintaining their frontend application … data team. The team are built around working together, collaborating when they can, and encourage sharing ideas. Key requirements: Experience with their stack: TypeScript, React, Next.js. AWS. Enjoy coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If More ❯

screens to slick web interfaces, you’ll be at the core of creating beautiful, accessible, and fast experiences for real users. We work with React , React Native , and TypeScript , and we care a lot about clean code, performance, and design details. 🛠 What You’ll Be Doing Build beautiful … UI – You’ll own frontend features across mobile and web using React, React Native, HTML/CSS, and TypeScript. Turn designs into real life – Collaborate with designers to implement pixel-perfect Figma mocks. Keep it fast - Optimise performance for speed, scalability, and user joy. Write clean code - Use … curious – Help us explore and adopt emerging frontend tools and workflows. 🎯 What We’re Looking For 2–4 years of commercial frontend experience Strong React skills - React Native skills will be hugely favoured You care about the details - you’ve got an eye for great UI, animations, and More ❯

screens to slick web interfaces, you’ll be at the core of creating beautiful, accessible, and fast experiences for real users. We work with React , React Native , and TypeScript , and we care a lot about clean code, performance, and design details. 🛠 What You’ll Be Doing Build beautiful … UI – You’ll own frontend features across mobile and web using React, React Native, HTML/CSS, and TypeScript. Turn designs into real life – Collaborate with designers to implement pixel-perfect Figma mocks. Keep it fast - Optimise performance for speed, scalability, and user joy. Write clean code - Use … curious – Help us explore and adopt emerging frontend tools and workflows. 🎯 What We’re Looking For 2–4 years of commercial frontend experience Strong React skills - React Native skills will be hugely favoured You care about the details - you’ve got an eye for great UI, animations, and More ❯

Front End React Developer, React, Javascript, NW London to £65K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be … NPM, etc. Ability to understand business requirements and translate them into technical requirements A knack for benchmarking and optimization Familiarity with git Experience with React Native is a bonus ****THIS ROLE IS OFFICE BASED More ❯

Senior Full Stack Developer (React/Typescript) - VP Who we are looking for: We are looking to hire a Vice President to support our web and desktop-based applications. What you will be responsible for: Develop and enhance both web and desktop-based applications using cutting … edge technologies such as React and Electron. Contribute to and utilize our proprietary libraries which are integral for both internal and external partners to integrate seamlessly with our platforms. Engage in the entire lifecycle of product development, from conception through deployment and beyond. What we value: Time management and … Expertise in developing multi-platform UI products that offer effective interaction and innovative user journeys. Proficient with JavaScript, TypeScript, and popular libraries such as React, Material UI, AG Grid, and Next. Knowledge of AWS, Kubernetes, Postgres, DynamoDB, and familiarity with Electron. Experience integrating SSO/Identity Management solutions. More ❯

Frontend Developer - React & TypeScript - £100-120k + Equity - London Scalexperts have partnered with an innovative AI company based in London who are developing the latest AI tools for video. They have an increasing client base and are looking to scale their engineering team to keep … has been backed up by a scalable component library. Key Skills/Requirements: 3+ years of experience in front-end development, primarily using TypeScript & React Demonstrable experience of building interactive and user friendly applications by optimising performance Knowledge of backend technologies such as python and Azure/AWS Experience More ❯

Frontend Developer - React & TypeScript - £100-120k + Equity - London Scalexperts have partnered with an innovative AI company based in London who are developing the latest AI tools for video. They have an increasing client base and are looking to scale their engineering team to keep … has been backed up by a scalable component library. Key Skills/Requirements: 3+ years of experience in front-end development, primarily using TypeScript & React Demonstrable experience of building interactive and user friendly applications by optimising performance Knowledge of backend technologies such as python and Azure/AWS Experience More ❯

Front End Developer/Engineer (TypeScript React AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range … contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and … you: You are degree educated in Computer Science, from a top tier university (e.g. Russel Group, Oxbridge) You have Typescript experience combined with strong React skills, React Native would also be great but you can pick it up on the job You're proficient with HTML5 and CSS3 More ❯

Frontend Developer (AB Testing) - Finance - London/Nottingham Day rate: £400 - £500 (inside IR35) Duration: 6 months Start: ASAP Hybrid: Once every … weeks in office My client is looking for a Frontend Developer, someone who has good commercial experience writing code in React and JavaScript (ES6+). You will have experience with cloud-based technologies (we use AWS) and a passion for quality engineering, working as part of … extensive knowledge working with tagging technologies and maintaining out of session experiences. Must have AB testing experience. Qualifications Minimum 5 years' development experience with React or React based frameworks such as Next.JS, JavaScript (ES6+), TypeScript, Node.JS, Redux, Express and SCSS/Styled components. Experience at a Senior level More ❯

UI Developer - Azure & React London (Hybrid) Up to £75k D.O.E Our consultancy client is seeking a skilled UI Developer with experience in Azure, React, and Microsoft Authentication (MSAL, B2C, OpenID). What You'll Do: Develop responsive, accessible UIs aligned with GDS … code, ensure performance optimisation, and maintain testing coverage. Present ideas clearly and lead technical discussions when needed. Essential skills: Proficiency in HTML, JavaScript, TypeScript. React, Next.js, Redux, Context API, Node.js. MSAL and Git. Build tools: Webpack, Rollup. CSS/SCSS, SCSS Modules. Testing: Jest, React Testing Library, Enzyme. More ❯

UI Developer - Azure & React London (Hybrid) Up to £75k D.O.E Our consultancy client is seeking a skilled UI Developer with experience in Azure, React, and Microsoft Authentication (MSAL, B2C, OpenID). What You'll Do: Develop responsive, accessible UIs aligned with GDS … code, ensure performance optimisation, and maintain testing coverage. Present ideas clearly and lead technical discussions when needed. Essential skills: Proficiency in HTML, JavaScript, TypeScript. React, Next.js, Redux, Context API, Node.js. MSAL and Git. Build tools: Webpack, Rollup. CSS/SCSS, SCSS Modules. Testing: Jest, React Testing Library, Enzyme. More ❯

Lead Full Stack Developer - React/C# - Azure API -Node JS Skills Requirement You must have proven experience of leading a team. This role will be both hands on/Hands off. Solid communication to stakeholders essential . Event-sourcing experience (writing tooling) API - Able to More ❯

Senior .NET/React Developer - Global Markets Inside IR35 Contract Role - London - Up to £850 per day About the Role: We are currently seeking an experienced Senior .NET Developer to join a leading global financial institution in London. This is a 6-month … applications: A desktop application launcher/management system built with WPF and .NET A background business alerting application that processes system events Develop new React admin screens as part of extending these applications to new business units Participate in architecture improvements to support broader deployment Work closely with a … small, collaborative development team Technical Requirements Strong experience with .NET development and React Familiarity with event processing systems and messaging architectures Ability to work across both frontend and backend development The Ideal Candidate Will Have Strong understanding of event-driven architectures Experience with asynchronous programming and multi-threading Exposure More ❯

Senior .NET/React Developer - Global Markets Inside IR35 Contract Role - London - Up to £850 per day About the Role: We are currently seeking an experienced Senior .NET Developer to join a leading global financial institution in London. This is a 6-month … applications: A desktop application launcher/management system built with WPF and .NET A background business alerting application that processes system events Develop new React admin screens as part of extending these applications to new business units Participate in architecture improvements to support broader deployment Work closely with a … small, collaborative development team Technical Requirements Strong experience with .NET development and React Familiarity with event processing systems and messaging architectures Ability to work across both frontend and backend development The Ideal Candidate Will Have Strong understanding of event-driven architectures Experience with asynchronous programming and multi-threading Exposure More ❯

MTHS CONTRACT ! Outside IR35 Full Stack Developer - React/C# - Azure API - Node Skills Requirement Event-sourcing experience (writing tooling) API - Able to write/deploy and interact with it API layer concerns Host/Handle Caching Content delivery network Deploy Apps using serveless tools Azure More ❯

role We are developing an AI portfolio management app and are looking for a Full Stack Mobile App Developer specializing in React Native. You will play a crucial role in building and maintaining our mobile application, working closely with our UI/UX Designer, Product Manager … with a focus on delivering high-quality, performant, and user-friendly mobile experiences. Responsibilities Lead the development of a cross-platform mobile application using React Native. Translate UI/UX designs into functional, high-performance mobile applications. Integrate with backend APIs and manage application state. Ensure timely delivery of … quality product. Provide technical leadership and mentorship as needed. Required Skills and Experience 5+ years of professional mobile development experience. Expert-level proficiency in React Native. Proven track record of taking mobile products from concept to launch. Strong understanding of mobile UI/UX principles. Experience working in the More ❯

role We are developing an AI portfolio management app and are looking for a Full Stack Mobile App Developer specializing in React Native. You will play a crucial role in building and maintaining our mobile application, working closely with our UI/UX Designer, Product Manager … with a focus on delivering high-quality, performant, and user-friendly mobile experiences. Responsibilities Lead the development of a cross-platform mobile application using React Native. Translate UI/UX designs into functional, high-performance mobile applications. Integrate with backend APIs and manage application state. Ensure timely delivery of … quality product. Provide technical leadership and mentorship as needed. Required Skills and Experience 5+ years of professional mobile development experience. Expert-level proficiency in React Native. Proven track record of taking mobile products from concept to launch. Strong understanding of mobile UI/UX principles. Experience working in the More ❯

An Investment Banking client is currently hiring for a C# & Javascript/React Full Stack Front office FX Developer The initial contracts will be for 12 months rolling paying up to £909pd via an Umbrella company. The positions require 3 days attendance per week to the … London office. Required experience: Excellent coding skills in both JavaScript/React and C# Experience working in Front office development teams Ideally in FX Please share an updated CV ASAP if you'd like to be considered for the position and I'll be in touch if suitable. Please More ❯

Junior Front End Python Developer! Are you ready to dive into the exciting world of insurance technology? We are on the lookout for a passionate and proactive Junior Front End Python Developer to become a vital part of our clients London based team! The … technical solutions. Present your innovative solutions confidently to key stakeholders. We're Looking For Someone Who Has: Proficiency in front-end technologies (e.g., JavaScript, React). Strong skills in Python (Pandas, APIs, etc.). Experience with version control systems, preferably Git. Understanding of cloud services and deployment (e.g., Azure More ❯

Job Title: SC Cleared Java Developer – Strong Software Engineer Location: Manchester or Croydon Job Type: Full-time Contract Salary: £500-560 Inside IR35 Clearance Required: SC (Security Check) Job Description: Our Governement client is looking for strong Software Engineers with extensive experience working with Java (Spring Boot … well-versed in CI/CD pipelines and have a solid understanding of modern DevOps practices. Knowledge of Kafka is advantageous, and experience with React/TypeScript is also desirable. Key Responsibilities: Develop high-quality, scalable Java applications using Spring Boot in large microservice architectures . Collaborate closely with … of Gradle for build automation. Experience with Liquibase for database version control and migration. Familiarity with Kafka for event-driven architectures. Frontend experience using React and TypeScript . More ❯

Job Title: SC Cleared Java Developer – Strong Software Engineer Location: Manchester or Croydon Job Type: Full-time Contract Salary: £500-560 Inside IR35 Clearance Required: SC (Security Check) Job Description: Our Governement client is looking for strong Software Engineers with extensive experience working with Java (Spring Boot … well-versed in CI/CD pipelines and have a solid understanding of modern DevOps practices. Knowledge of Kafka is advantageous, and experience with React/TypeScript is also desirable. Key Responsibilities: Develop high-quality, scalable Java applications using Spring Boot in large microservice architectures . Collaborate closely with … of Gradle for build automation. Experience with Liquibase for database version control and migration. Familiarity with Kafka for event-driven architectures. Frontend experience using React and TypeScript . More ❯

Tech Lead/Senior Developer (C#/React/Azure) – London/Hybrid £80,000-£85,000 My client is looking for a Tech Lead (or a Senior Developer with line management experience) to join their expanding team and help continue the innovation … Improve ways of working and overall outputs of the software Essential Requirements · Demonstrated success in line management · Extensive experience with C# .NET and JavaScript (React/Typescript) · Extensive experience in solutions architecture and technical leadership roles, with knowledge of software development across multiple platforms · Leadership focused on aligning technical More ❯