12 of 12 Senior React Developer Jobs in Hertfordshire

Senior React Developer (TypeScript) – Build Complex Energy Platforms Join a leading organisation in the energy sector as a Senior React Developer, focusing on building robust internal applications that support mission-critical control room operations. This role … tasks, managing complex data streams, and delivering tools to ensure the stability of the energy grid. Design and develop scalable front-end systems using React, TypeScript, and Next.js Work with large datasets and integrate secure APIs/microservices Modernise and refactor legacy codebases to enterprise standards Collaborate within a … DevSecOps environment with strict CI/CD and compliance requirements Requirements: Proven experience with React & TypeScript, with strong programming fundamentals Experience managing complex state/data flows and performance tuning Knowledge of Node.js, Material UI, HTML/CSS, Docker, Azure Background in regulated sectors such as energy, finance, or More ❯

Social network you want to login/join with: Senior React Developer (TypeScript) – Build Complex Energy Platforms, Watford, Hertfordshire Client: GL Global Location: Watford, Hertfordshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 … Job Description: Senior React Developer (TypeScript) – Build Complex Energy Platforms Are you a React expert ready to take on high-impact, data-intensive challenges? Join a leading organisation in the energy sector, building robust internal applications that support mission-critical control room … complex data streams, and delivering powerful tools that help ensure the stability of the energy grid. Design and deliver scalable front-end systems using React, TypeScript, and Next.js Work with large datasets and integrate secure APIs/microservices Modernise and refactor legacy codebases to enterprise standards Collaborate in a More ❯

Social network you want to login/join with: Senior React Developer (TypeScript) – Build Complex Energy Platforms, hemel hempstead col-narrow-left Client: GL Global Location: hemel hempstead, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views … Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: Senior React Developer (TypeScript) – Build Complex Energy Platforms Are you a React expert ready to take on high-impact, data-intensive challenges? Join a leading organisation in the energy sector, building robust internal … complex data streams, and delivering powerful tools that help ensure the stability of the energy grid. Design and deliver scalable front-end systems using React, TypeScript, and Next.js Work with large datasets and integrate secure APIs/microservices Modernise and refactor legacy codebases to enterprise standards Collaborate in a More ❯

Social network you want to login/join with: Senior React Developer, watford, hertfordshire col-narrow-left Client: Cognitive Group | Part of the Focus Cloud Group Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job … Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: We are seeking a skilled and experienced Senior React Developer to join a high-performing data and digital engineering team on a strategic project for a leading UK bank. This role is … reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web design. Experience working with .NET , C# , or similar backend frameworks (beneficial More ❯

Social network you want to login/join with: Senior Fullstack Developer (React, Node.js), watford, hertfordshire col-narrow-left Client: Oliver Bernard Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 06.06.2025 … Expiry Date: 21.07.2025 col-wide Job Description: Location: Hybrid in London. Senior Fullstack Developer - would you like the opportunity to work for a market leading organisation, currently delivering to over 150 countries worldwide? You will be joining a technology team who have a passion … a Senior Fullstack Developer, looking to work for a market leading organisation and enjoy working with Node.js/React, please apply. #J-18808-Ljbffr More ❯

right Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: We are seeking a skilled and experienced Senior React Developer to join a high-performing data and digital engineering team on a strategic project for a leading UK bank. This … reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web design. Experience working with .NET , C# , or similar backend frameworks (beneficial More ❯

right Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: We are seeking a skilled and experienced Senior React Developer to join a high-performing data and digital engineering team on a strategic project for a leading UK bank. This … reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web design. Experience working with .NET , C# , or similar backend frameworks (beneficial More ❯

work permit required: Yes col-narrow-right Job Views: 4 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Location: Hybrid in London. Senior Fullstack Developer - would you like the opportunity to work for a market leading organisation, currently delivering to over 150 countries … innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. Essential skills for a Senior Fullstack Engineer: Hands on experience of developing REST web services and API's. Knowledge and experience of deploying to cloud services, preferably AWS. … a Senior Fullstack Developer, looking to work for a market leading organisation and enjoy working with Node.js/React, please apply. #J-18808-Ljbffr More ❯

work permit required: Yes col-narrow-right Job Views: 4 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Location: Hybrid in London. Senior Fullstack Developer - would you like the opportunity to work for a market leading organisation, currently delivering to over 150 countries … innovation, collaboration, and providing the best service to their customers as well as embracing new ideas, technologies and approaches. Essential skills for a Senior Fullstack Engineer: Hands on experience of developing REST web services and API's. Knowledge and experience of deploying to cloud services, preferably AWS. … a Senior Fullstack Developer, looking to work for a market leading organisation and enjoy working with Node.js/React, please apply. #J-18808-Ljbffr More ❯

Social network you want to login/join with: Senior Full Stack Developer (Django + React Native/Expo), stevenage col-narrow-left Client: Bonsai Smart Wealth Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted … 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: Job Title: Senior Full Stack Developer (Django + React Native/Expo) Location : Remote (UK timezone 4 hours overlap required) 1) Describe a production system you’ve built using Django and React Native (Expo … In Django, how have you handled long-running tasks or async workflows? 2) How do you approach state management in React Native when dealing with complex data interactions and API syncing? 3) What would your CI/CD pipeline look like for a full stack Django + Expo app More ❯

Social network you want to login/join with: Senior Full Stack Developer (Django + React Native/Expo), hemel hempstead col-narrow-left Client: Bonsai Smart Wealth Location: hemel hempstead, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow … Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: Job Title: Senior Full Stack Developer (Django + React Native/Expo) Location : Remote (UK timezone 4 hours overlap required) 1) Describe a production system you’ve built using Django and React Native … Expo) 2) In Django, how have you handled long-running tasks or async workflows? 2) How do you approach state management in React Native when dealing with complex data interactions and API syncing? 3) What would your CI/CD pipeline look like for a full stack Django + More ❯

Social network you want to login/join with: Senior Full Stack Developer (Django + React Native/Expo), watford, hertfordshire col-narrow-left Client: Bonsai Smart Wealth Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow … Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: Job Title: Senior Full Stack Developer (Django + React Native/Expo) Location : Remote (UK timezone 4 hours overlap required) 1) Describe a production system you’ve built using Django and React Native … Expo) 2) In Django, how have you handled long-running tasks or async workflows? 2) How do you approach state management in React Native when dealing with complex data interactions and API syncing? 3) What would your CI/CD pipeline look like for a full stack Django + More ❯