51 to 65 of 65 React Jobs in Essex

engaging user interfaces. You will contribute to evolving the architecture, tools, and processes as the company grows, working with modern technologies such as Node.js, React, GraphQL, and Postgres. This is an excellent opportunity to be part of an ambitious roadmap and deliver value quickly in an agile environment. What … teams to develop new features across the full stack Build and maintain performant, secure backend services using Node.js and GraphQL Develop user interfaces with React.js and modern front-end practices Write clean, maintainable, and well-tested code Participate in code reviews, team discussions, and agile ceremonies Help improve and evolve ...

Full Stack Engineer | TypeScript, React, SQL Server, Azure | Innovation Projects Staff Engineer/Principal Engineer/Full Stack Engineer Day rate: £550–£600/day (Outside IR35) Remote Working (UK) Contract: 6 months (likely extension) The Role You will join a new innovation function that operates as the technical strikeforce … thrive in problem spaces that aren't fully defined yet. What They're Looking For (Non-Negotiables): TypeScript (strong commercial experience) React or similar modern frontend framework Backend engineering skills with Node.js/TypeScript Strong SQL skills & RDBMS experience (SQL Server preferred) ORM experience (Prisma, Sequelize, TypeORM, or similar) Full ...

Full Stack Engineer | TypeScript, React, SQL Server, Azure | Innovation Projects Staff Engineer/Principal Engineer/Full Stack Engineer Day rate: £550–£600/day (Outside IR35) Remote Working (UK) Contract: 6 months (likely extension) The Role You will join a new innovation function that operates as the technical strikeforce … thrive in problem spaces that aren't fully defined yet. What They're Looking For (Non-Negotiables): TypeScript (strong commercial experience) React or similar modern frontend framework Backend engineering skills with Node.js/TypeScript Strong SQL skills & RDBMS experience (SQL Server preferred) ORM experience (Prisma, Sequelize, TypeORM, or similar) Full ...

Full Stack Engineer | TypeScript, React, SQL Server, Azure | Innovation Projects Staff Engineer/Principal Engineer/Full Stack Engineer Day rate: £550–£600/day (Outside IR35) Remote Working (UK) Contract: 6 months (likely extension) The Role You will join a new innovation function that operates as the technical strikeforce … thrive in problem spaces that aren't fully defined yet. What They're Looking For (Non-Negotiables): TypeScript (strong commercial experience) React or similar modern frontend framework Backend engineering skills with Node.js/TypeScript Strong SQL skills & RDBMS experience (SQL Server preferred) ORM experience (Prisma, Sequelize, TypeORM, or similar) Full ...

What you will work on You will contribute across the stack, including: Building and shipping high velocity full stack features using Python, TypeScript and React Designing backend systems that integrate with LLM driven workflows and agentic pipelines Turning messy human knowledge into structured, self improving AI behaviours Working directly with … enjoys fast paced startup environments Someone who values ownership, learning and working closely with technical founders Tech stack Languages: Python, TypeScript Front end: React Cloud: AWS AI: LLM tools, agentic systems, workflow automation Approach: First principles, rapid iteration, strong fundamentals What you will get £40k to £60k salary based ...

What you will work on You will contribute across the stack, including: Building and shipping high velocity full stack features using Python, TypeScript and React Designing backend systems that integrate with LLM driven workflows and agentic pipelines Turning messy human knowledge into structured, self improving AI behaviours Working directly with … enjoys fast paced startup environments Someone who values ownership, learning and working closely with technical founders Tech stack Languages: Python, TypeScript Front end: React Cloud: AWS AI: LLM tools, agentic systems, workflow automation Approach: First principles, rapid iteration, strong fundamentals What you will get £40k to £60k salary based ...

What you will work on You will contribute across the stack, including: Building and shipping high velocity full stack features using Python, TypeScript and React Designing backend systems that integrate with LLM driven workflows and agentic pipelines Turning messy human knowledge into structured, self improving AI behaviours Working directly with … enjoys fast paced startup environments Someone who values ownership, learning and working closely with technical founders Tech stack Languages: Python, TypeScript Front end: React Cloud: AWS AI: LLM tools, agentic systems, workflow automation Approach: First principles, rapid iteration, strong fundamentals What you will get £40k to £60k salary based ...

strong plus) Strong backend experience with TypeScript and NestJS, including REST and GraphQL APIs Experience designing and building complex, data-heavy UIs using React (Next.js and Chakra UI are a plus) Hands-on experience with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Take ownership … forward Care about quality, performance, and continuous improvement Tech you'll work with Backend: TypeScript, NestJS, Sequelize, REST APIs, GraphQL, MySQL, NoSQL, Kafka Frontend: React, Next.js, TypeScript, Chakra UI, React Query, GraphQL Design: Figma (working from detailed designs and complex business requirements) Nice to have Experience with AWS and Kubernetes ...

strong plus) Strong backend experience with TypeScript and NestJS, including REST and GraphQL APIs Experience designing and building complex, data-heavy UIs using React (Next.js and Chakra UI are a plus) Hands-on experience with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Take ownership … forward Care about quality, performance, and continuous improvement Tech you'll work with Backend: TypeScript, NestJS, Sequelize, REST APIs, GraphQL, MySQL, NoSQL, Kafka Frontend: React, Next.js, TypeScript, Chakra UI, React Query, GraphQL Design: Figma (working from detailed designs and complex business requirements) Nice to have Experience with AWS and Kubernetes ...

strong plus) Strong backend experience with TypeScript and NestJS, including REST and GraphQL APIs Experience designing and building complex, data-heavy UIs using React (Next.js and Chakra UI are a plus) Hands-on experience with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Take ownership … forward Care about quality, performance, and continuous improvement Tech you'll work with Backend: TypeScript, NestJS, Sequelize, REST APIs, GraphQL, MySQL, NoSQL, Kafka Frontend: React, Next.js, TypeScript, Chakra UI, React Query, GraphQL Design: Figma (working from detailed designs and complex business requirements) Nice to have Experience with AWS and Kubernetes ...

Senior/Mid Frontend Engineer (React.js & TypeScript) 1 Day in office London - Open for fully remote but London based • £80,000 – £100,000 We're partnering with a small, research-driven AI startup (≈15 people) founded by leading engineers from major tech companies. Their mission is to make advanced … engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React and TypeScript. Contribute to front-end architecture, tooling, and best practices. Help shape new product experiences that make AI capabilities simple and usable. What ...

Senior/Mid Frontend Engineer (React.js & TypeScript) 1 Day in office London - Open for fully remote but London based • £80,000 – £100,000 We're partnering with a small, research-driven AI startup (≈15 people) founded by leading engineers from major tech companies. Their mission is to make advanced … engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React and TypeScript. Contribute to front-end architecture, tooling, and best practices. Help shape new product experiences that make AI capabilities simple and usable. What ...

Senior/Mid Frontend Engineer (React.js & TypeScript) 1 Day in office London - Open for fully remote but London based • £80,000 – £100,000 We're partnering with a small, research-driven AI startup (≈15 people) founded by leading engineers from major tech companies. Their mission is to make advanced … engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React and TypeScript. Contribute to front-end architecture, tooling, and best practices. Help shape new product experiences that make AI capabilities simple and usable. What ...

looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next.js … retros and team discussions We're looking for someone who has 5+ years' experience in front end web development Strong competency with TypeScript, React and Next.js Strong problem solving and debugging ability Good understanding of performance, optimisation and best practices; particularly in React A passion for web development - someone ...

looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next.js … retros and team discussions We're looking for someone who has 5+ years' experience in front end web development Strong competency with TypeScript, React and Next.js Strong problem solving and debugging ability Good understanding of performance, optimisation and best practices; particularly in React A passion for web development - someone ...