776 to 800 of 809 React Jobs in the South East

Full Stack Engineer — Python, TypeScript, React Location: London (On-site, 5 days/week) Salary: £80,000 – £130,000 + Equity Our client is building a platform that brings AI into real-world operations by teaching models how specific companies operate. Growing in London and looking for product-focused engineers who want to work on complex systems and meaningful technology. … founders and senior engineers who previously built large-scale AI systems. Responsibilities: Build and iterate on a fast, scalable user-facing platform. Work across the stack with Python , TypeScript , React , and SQL . Collaborate with the core platform team on new features and infrastructure. Contribute to the design, architecture, and delivery of product-focused systems. Solve technically challenging problems for … novel technologies. Requirements: MUST HAVE: Full-stack experience in product or platform engineering. MUST HAVE: Strong proficiency in Python , TypeScript , React , and SQL . Bonus: familiarity with Rust or C , or a passion for learning new languages. MUST HAVE: Strong communication Interested in building real products, not research prototypes. We’re looking for product engineers. This is not an AI More ❯

Full Stack Engineer — Python, TypeScript, React Location: London (On-site, 5 days/week) Salary: £80,000 – £130,000 + Equity Our client is building a platform that brings AI into real-world operations by teaching models how specific companies operate. Growing in London and looking for product-focused engineers who want to work on complex systems and meaningful technology. … founders and senior engineers who previously built large-scale AI systems. Responsibilities: Build and iterate on a fast, scalable user-facing platform. Work across the stack with Python , TypeScript , React , and SQL . Collaborate with the core platform team on new features and infrastructure. Contribute to the design, architecture, and delivery of product-focused systems. Solve technically challenging problems for … novel technologies. Requirements: MUST HAVE: Full-stack experience in product or platform engineering. MUST HAVE: Strong proficiency in Python , TypeScript , React , and SQL . Bonus: familiarity with Rust or C , or a passion for learning new languages. MUST HAVE: Strong communication Interested in building real products, not research prototypes. We’re looking for product engineers. This is not an AI More ❯

leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React and TypeScript development skills, coupled with a strong background building and/or bootstrapping production component libraries & design systems. This is a unique opportunity where you will work closely with … development teams to understand their requirements and assist in developing & improving frontend solutions. Key Requirements: React TypeScript 5+ years of professional frontend experience having built or maintained production component library/design systems. Excellent communication. Bachelors or Masters degree. Compensation: This role is offering an incredibly competitive salary + extended benefits package. How to apply: Please apply through the link More ❯

leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React and TypeScript development skills, coupled with a strong background building and/or bootstrapping production component libraries & design systems. This is a unique opportunity where you will work closely with … development teams to understand their requirements and assist in developing & improving frontend solutions. Key Requirements: React TypeScript 5+ years of professional frontend experience having built or maintained production component library/design systems. Excellent communication. Bachelors or Masters degree. Compensation: This role is offering an incredibly competitive salary + extended benefits package. How to apply: Please apply through the link More ❯

leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon. They're in the market for a Senior Frontend Developer, with excellent React and TypeScript development skills, coupled with a strong background building and/or bootstrapping production component libraries & design systems. This is a unique opportunity where you will work closely with … development teams to understand their requirements and assist in developing & improving frontend solutions. Key Requirements: React TypeScript 5+ years of professional frontend experience having built or maintained production component library/design systems. Excellent communication. Bachelors or Masters degree. Compensation: This role is offering an incredibly competitive salary + extended benefits package. How to apply: Please apply through the link More ❯

I'm currently looking for a Senior React Developer to join a London Based Trading company as they continue to scale and grow their development team. This company has been growing substantially over the last 2 years and are expanding again with exciting projects lined up in their trading technology teams. The company are based in central London and have … best total comp packages in London. This is an in office position in central London, with some flexibility to 4 days a week after 3-6 months. Requirements Strong React skills Strong experience working in Typescript Some Experience working in trading, banking, or financial services is desirable Package base salaries up to £140K with TC over £200K 12% pension Private More ❯

I'm currently looking for a Senior React Developer to join a London Based Trading company as they continue to scale and grow their development team. This company has been growing substantially over the last 2 years and are expanding again with exciting projects lined up in their trading technology teams. The company are based in central London and have … best total comp packages in London. This is an in office position in central London, with some flexibility to 4 days a week after 3-6 months. Requirements Strong React skills Strong experience working in Typescript Some Experience working in trading, banking, or financial services is desirable Package base salaries up to £140K with TC over £200K 12% pension Private More ❯

I'm currently looking for a Senior React Developer to join a London Based Trading company as they continue to scale and grow their development team. This company has been growing substantially over the last 2 years and are expanding again with exciting projects lined up in their trading technology teams. The company are based in central London and have … best total comp packages in London. This is an in office position in central London, with some flexibility to 4 days a week after 3-6 months. Requirements Strong React skills Strong experience working in Typescript Some Experience working in trading, banking, or financial services is desirable Package base salaries up to £140K with TC over £200K 12% pension Private More ❯

Purpose driven Python, React, Typescript Software Engineer – Solving Humanity’s Most Urgent Challenges London based A pioneering early-stage investment firm is backing entrepreneurs solving humanity’s most urgent challenges — from synthetic biology and clean energy to AI safety, healthcare, and space. The team believes we’re entering a new economic renaissance where technology and science can bend the arc … rapidly across multiple domains — expect to work on something new every few weeks. Push the boundaries of how a modern fund operates through creative engineering. Tech Stack Python, TypeScript, React, Next.js — with a deep embrace of AI tooling and automation. Curiosity about new technologies is essential. Ideal Profile Startup DNA: Experience in fast-moving environments, ideally as a founding engineer More ❯

Purpose driven Python, React, Typescript Software Engineer – Solving Humanity’s Most Urgent Challenges London based A pioneering early-stage investment firm is backing entrepreneurs solving humanity’s most urgent challenges — from synthetic biology and clean energy to AI safety, healthcare, and space. The team believes we’re entering a new economic renaissance where technology and science can bend the arc … rapidly across multiple domains — expect to work on something new every few weeks. Push the boundaries of how a modern fund operates through creative engineering. Tech Stack Python, TypeScript, React, Next.js — with a deep embrace of AI tooling and automation. Curiosity about new technologies is essential. Ideal Profile Startup DNA: Experience in fast-moving environments, ideally as a founding engineer More ❯

Purpose driven Python, React, Typescript Software Engineer – Solving Humanity’s Most Urgent Challenges London based A pioneering early-stage investment firm is backing entrepreneurs solving humanity’s most urgent challenges — from synthetic biology and clean energy to AI safety, healthcare, and space. The team believes we’re entering a new economic renaissance where technology and science can bend the arc … rapidly across multiple domains — expect to work on something new every few weeks. Push the boundaries of how a modern fund operates through creative engineering. Tech Stack Python, TypeScript, React, Next.js — with a deep embrace of AI tooling and automation. Curiosity about new technologies is essential. Ideal Profile Startup DNA: Experience in fast-moving environments, ideally as a founding engineer More ❯

React Developer – Fixed Income eTrading We are seeking experienced React Developers to join the Fixed Income eTrading technology team at a global investment bank. This position is part of a high-profile, multi-year transformation initiative aimed at modernising and scaling a next-generation electronic trading platform. The role is to help build cutting edge frontend systems for Fixed Income … trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies More ❯

React Developer – Fixed Income eTrading We are seeking experienced React Developers to join the Fixed Income eTrading technology team at a global investment bank. This position is part of a high-profile, multi-year transformation initiative aimed at modernising and scaling a next-generation electronic trading platform. The role is to help build cutting edge frontend systems for Fixed Income … trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies More ❯

React Developer – Fixed Income eTrading We are seeking experienced React Developers to join the Fixed Income eTrading technology team at a global investment bank. This position is part of a high-profile, multi-year transformation initiative aimed at modernising and scaling a next-generation electronic trading platform. The role is to help build cutting edge frontend systems for Fixed Income … trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies More ❯

for experienced engineers who want to combine hands-on development with mentoring and leadership. The Role As a Senior Frontend Developer, you’ll: Build and maintain scalable applications with React, TypeScript, Tailwind, Cypress Mentor a core group of developers and support a wider engineering team Drive technical best practices and ensure high-quality, user-focused products Play a key role … in shaping product delivery and technical direction About You We’re looking for developers who: Have strong commercial experience with React and TypeScript Enjoy mentoring, coaching, and supporting other developers Want stability in a permanent role and the chance to make a long-term impact Thrive in collaborative, fast-paced environments Why Join? With multiple openings, this is a great More ❯

for experienced engineers who want to combine hands-on development with mentoring and leadership. The Role As a Senior Frontend Developer, you’ll: Build and maintain scalable applications with React, TypeScript, Tailwind, Cypress Mentor a core group of developers and support a wider engineering team Drive technical best practices and ensure high-quality, user-focused products Play a key role … in shaping product delivery and technical direction About You We’re looking for developers who: Have strong commercial experience with React and TypeScript Enjoy mentoring, coaching, and supporting other developers Want stability in a permanent role and the chance to make a long-term impact Thrive in collaborative, fast-paced environments Why Join? With multiple openings, this is a great More ❯

for experienced engineers who want to combine hands-on development with mentoring and leadership. The Role As a Senior Frontend Developer, you’ll: Build and maintain scalable applications with React, TypeScript, Tailwind, Cypress Mentor a core group of developers and support a wider engineering team Drive technical best practices and ensure high-quality, user-focused products Play a key role … in shaping product delivery and technical direction About You We’re looking for developers who: Have strong commercial experience with React and TypeScript Enjoy mentoring, coaching, and supporting other developers Want stability in a permanent role and the chance to make a long-term impact Thrive in collaborative, fast-paced environments Why Join? With multiple openings, this is a great More ❯

a seasoned product designer who also has coding knowledge. You’ll take ideas from early concepts through to working UI, combining strong design skills with front-end ability in React, TypeScript, Tailwind, and Ant Design. You will help us to keep the customer at the heart of everything we do. This will include conducting user research, designing customer journeys, producing … work streams across the LoveAdmin portfolio • Take ownership of design projects from discovery to shipped UI • Create flows, wireframes, and concept designs in Figma • Build responsive, accessible prototypes in React with TypeScript, Ant Design, and Tailwind CSS • Use AI tools to accelerate prototyping and reduce handover • Speak with customers to show features, gather feedback, and run usability sessions • Document design … objectives into digital experiences • Experienced in facilitating workshops and conducting user/stakeholder interviews • Highly proficient with a range of UX and design tools such as Figma • Proficiency in React and TypeScript • Experience with Tailwind CSS and Ant Design • Understanding of accessibility (WCAG) and responsive UI Nice to Have • Experience with SaaS admin tools • Knowledge of sports or education sectors More ❯

function, and ensure delivery of a product that leads globally. Your role will span: Technical Leadership (c.30%) – guiding architecture decisions, reviewing technical solutions, and ensuring best practices across NodeJS, React, GCP, AWS, Flutter, Swift, and Kotlin. Team & Delivery Leadership – leading, scaling, and mentoring a growing engineering team, building an empowering, high-performance culture. Product & Commercial Focus – collaborating with product and … architecture and design (not expected to code in production daily, but able to get into the detail where required). Experience across modern web and mobile stacks – ideally NodeJS, React, Flutter, Swift, Kotlin, GCP/AWS. Demonstrated ability to deliver complex product roadmaps on time and at scale. Commercial and product-minded – able to connect technology decisions with business value. More ❯

function, and ensure delivery of a product that leads globally. Your role will span: Technical Leadership (c.30%) – guiding architecture decisions, reviewing technical solutions, and ensuring best practices across NodeJS, React, GCP, AWS, Flutter, Swift, and Kotlin. Team & Delivery Leadership – leading, scaling, and mentoring a growing engineering team, building an empowering, high-performance culture. Product & Commercial Focus – collaborating with product and … architecture and design (not expected to code in production daily, but able to get into the detail where required). Experience across modern web and mobile stacks – ideally NodeJS, React, Flutter, Swift, Kotlin, GCP/AWS. Demonstrated ability to deliver complex product roadmaps on time and at scale. Commercial and product-minded – able to connect technology decisions with business value. More ❯

function, and ensure delivery of a product that leads globally. Your role will span: Technical Leadership (c.30%) – guiding architecture decisions, reviewing technical solutions, and ensuring best practices across NodeJS, React, GCP, AWS, Flutter, Swift, and Kotlin. Team & Delivery Leadership – leading, scaling, and mentoring a growing engineering team, building an empowering, high-performance culture. Product & Commercial Focus – collaborating with product and … architecture and design (not expected to code in production daily, but able to get into the detail where required). Experience across modern web and mobile stacks – ideally NodeJS, React, Flutter, Swift, Kotlin, GCP/AWS. Demonstrated ability to deliver complex product roadmaps on time and at scale. Commercial and product-minded – able to connect technology decisions with business value. More ❯

opportunity to shape design and engineering from the ground up You'll be the bridge between design and code. Taking high-impact ideas from concept to production using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across … web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers to prototype and ship new features fast Contribute to brand, component library, and overall product experience You'll need Strong design eye and proven ability with Figma Solid experience building front ends in React + Typescript Understanding More ❯

opportunity to shape design and engineering from the ground up You'll be the bridge between design and code. Taking high-impact ideas from concept to production using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across … web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers to prototype and ship new features fast Contribute to brand, component library, and overall product experience You'll need Strong design eye and proven ability with Figma Solid experience building front ends in React + Typescript Understanding More ❯

Senior Frontend (React/Vue) Developer - Contract - Airline Transformation A global airline is urgently seeking Frontend developers to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work … who is tasked with leading the adoption of advanced analytical solutions. Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-end development best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as More ❯

Senior Frontend (React/Vue) Developer - Contract - Airline Transformation A global airline is urgently seeking Frontend developers to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work … who is tasked with leading the adoption of advanced analytical solutions. Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-end development best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as More ❯