51 to 75 of 166 React Jobs in East London

relational database technologies as such as Memcached, MongoDB and Redis. Experience with Insurance/Reinsurance Systems and Data. High level knowledge/expertise of Front-end development such as: ReactJS, Webpack, HTML5, CSS, Bootstrap, jQuery, Accessibility and Responsive Layouts UI/UX development experience. More ❯

Mid & Senior Full Stack Engineers | Green Tech/Energy Tech Start-Up | React.js Node.js TypeScript | LDN 2 Days Per Week | £50K - £110K + Healthy Equity Company: I'm looking for mid and senior full stack engineers who are excited about elegant systems as they are about real-world impact. You’ll join a lean, talented team of engineers and work … Country-wide data tools through large-scale scraping + mapping -> Hardware integrations (e.g. bluetooth laser measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Mid & Senior Full Stack Engineers | Green Tech/Energy Tech Start-Up | React.js … Node.js TypeScript | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 5 years commercial experience -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Mid & Senior More ❯

React Software Engineer Location: Belfast or London (hybrid flexibility) A well established digital product studio with offices in Belfast and London, the company specialises in designing, building, and scaling data-driven digital products and services. Their work spans strategy, UX/UI design, software engineering, and analytics, partnering with a range of high-profile clients to deliver impactful solutions. Known … growth making it a great environment for engineers who want to work on meaningful, modern web applications. What You'll Do Design, build, test, and maintain modern, high‐performance React applications (covering ES6+, Redux, React Router, Next.js, React Query, or similar). Develop mobile‐first, responsive UIs with clean, scalable, and secure code. Work across the stack, integrating with REST … backend services. Estimate effort, scope technical designs, and communicate clearly with stakeholders. Mentor and share knowledge with team members while learning new technologies. What We're Looking For Strong React experience, plus familiarity with at least 3 of: Vanilla JS (ES6+), Redux, React Router, TanStack, Next.js, React Query, React Native, TypeScript. Solid testing background and attention to performance, security, and More ❯

TypeScript Engineer (React + Node) - £80K - Hybrid, London After achieving a £1m grant from Innovate UK, an impressive start-up that is transforming portfolio management, by streamlining data collection and enhancing collaboration between investors and their portfolio companies, are looking for a Fullstack Engineer to join their small but growing team of 13. The ideal candidate will have … years' experience with a strong technical foundation, combined with a business and product-focused mindset. Proficiency in NextJS (React), GraphQL, and TypeScript is required. Key Responsibilities: Design, develop, and maintain web applications using NextJS (React), GraphQL, and TypeScript Collaborate with cross-functional teams to define, design, and ship new features Ensure the technical feasibility of UI/UX designs Participate … in code reviews, pair programming, and collaborative development practices Troubleshoot and debug issues to improve performance and reliability Qualifications: Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem-solving skills and attention to detail Strong communication More ❯

and mentoring other engineers Building greenfield features that solve real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more More ❯

a dynamic, collaborative environment. This is an exciting opportunity for a technically strong and values-driven engineer who wants to work with purpose and impact. Tech Stack Frontend : ES6, React, Redux, React Hooks, Cordova Backend : Node.js, Express, TypeScript, Sequelize, PostgreSQL Infrastructure : Heroku, AWS, Twilio CI/CD : Heroku Pipelines, Bitbucket Pipelines, Bitrise, Jenkins Key Responsibilities Build and enhance responsive user … interfaces using React.js and Redux Develop and maintain backend APIs using Node.js and Express.js Contribute to the delivery of cutting-edge web and mobile apps across devices Maintain high coding standards through reviews, documentation, and collaboration Diagnose and respond to time-sensitive issues with clarity and calm Promote a technology-agnostic, solution-oriented mindset within the team Balance technical quality More ❯

FULLSTACK ENGINEER -SaaS STARTUP- NODE, REACT, TYPESCRIPT, JAVASCRIPT About the Company: We've partnered with a high growth SaaS company having recently completed their Series A and are scaling. They have built an insights and analytics platform already being used by some of the worlds biggest brands. You'll deliver nascent technology revolutionising how brands engage with new audiences! About … who can add value to the team culture. In a small startup, we value proactiveness, problem solving, thinking outside the box and being a team player! Technologies include Node, React, AWS, Typescript ,Javascript, Kubernetes, Docker and more. Location: The role is hybrid, working out of their central London offices. FULLSTACK ENGINEER - SaaS STARTUP - NODE, REACT, TYPESCRIPT, JAVASCRIPT, AWS, FULLSTACK More ❯

ead and manage software development projects using Java, Python, Typescript, AWS, React JS, Angular, and other technologies. Collaborate with cross-functional teams to define project scope, objectives, and deliverables. Create the high-level design (or solution architecture documents) for the business requirements Produce several option papers and work with architecture community and forums to get the designs approved. Proficient using … ServiceNow, Confluence, and JIRA for project tracking and documentation. Your Profile: Strong technical experience in Architecture, Design and Development. Strong technical background with expertise in Java, Python, Typescript, AWS, React JS, and Angular. Proven experience managing end-to-end project lifecycles. Exceptional leadership and team management skills. Excellent problem-solving and analytical abilities. Strong communication and interpersonal skills. Designed scalable … software architectures and developed robust REST APIs. Proficient in Java, Python, TypeScript, AWS, React JS, and Angular. Led Agile teams using Scrum, managing risks, resolving issues, and driving project success with tools like JIRA, Confluence, and ServiceNow. More ❯

salary + equity Generous relocation support Greenfield AI product work with real-world user impact What you’ll be doing: Design and build human-centric UIs using React + TypeScript Work across the stack (Python, Postgres) to deliver end-to-end features Translate direct customer feedback into intuitive, scalable experiences Help shape engineering best practices and team culture ⚙️ Tech environment … TypeScript, React, Python PostgreSQL, AWS, Docker WYSIWYG editors, CI/CD pipelines You bring: Deep frontend expertise and a strong sense for UX Experience with scalable component systems and performant UIs Comfort working full-stack in a fast-paced, high-ownership environment Excited to define the future of AI user interfaces - and ship fast? Apply now More ❯

engineer. But that’s just the first chapter. From there, the role evolves, depending on the person’s strengths, into either: Software Engineering: building applications internally (Java, JavaScript/React), or Platform Engineering: owning infrastructure as code, containerisation, CI/CD pipelines, cloud hosting, and shaping operational best practices. This is one of the first hires into a team led … be someone who sees problems and enjoys fixing them at the root. Responsibilities Support the Linux upgrade programme (short-term, critical project) Build and maintain in-house software solutions (React, Java, Python) Help establish platform engineering foundations: Kubernetes, IaC, CI/CD Influence decisions on tooling, architecture, hosting, and best practices Contribute to a culture of engineering excellence and in … house capability building Requirements 3–7 years of experience in software engineering, DevOps, or platform engineering Proven coding experience in Java, JavaScript/React, or similar Strong Linux skills, especially around server upgrades and admin Solid scripting experience (e.g. Python, Bash) Exposure to cloud platforms (Azure preferred), infrastructure as code, CI/CD Preference for candidates with a Computing degree More ❯

of our platform — integrating AI/ML systems, developing user dashboards, and delivering robust SaaS features at speed. What you’ll do: Build and scale full-stack features using React , Django/FastAPI , and GraphQL Integrate AI components into a polished, production-grade product Develop internal tools, streamline processes, and improve UX/UI Design and maintain scalable infrastructure on … ML, product, and design Lead on sprint planning, staging, and incident response What we’re looking for: Strong Python developer with SaaS and AI product experience Deep knowledge of React , AWS , and container-based environments (Docker/Kubernetes) Experience working across the stack, from backend APIs to frontend UX Comfortable shipping fast, solving hard problems, and debugging under pressure Excellent More ❯

the wider engineering community to foster an inclusive and collaborative culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on a period of More ❯

in .NET (ASP.NET & C#). In depth Experience in ASP.NET, Version 3.1 or higher, .NET core and full stack. Substantial experience with IIS, HTML 5.0, JavaScript, CSS 3.0, Ajax, React Js. Basic Knowledge of Oracle and MS SQL Server. Experience working with Agile development methodologies. Strong testing and debugging skills. Excellent communications skills. Must have the ability to quickly learn More ❯

on tech decisions Pragmatic, product-minded and always looking to solve real-world problems with elegant solutions Bonus: experience with LLMs, agent-based systems, or front-end tools like React/d3 More ❯

features to build . They want their tech to be fully automated and do all of the heavy-lifting. Their stack is a Python (Flask) backend and a TypeScript ( React/Redux/Next . js ) frontend, on a mix of Heroku and AWS . They also use PostgreSQL . ✅ This will suit a product-minded, backend-focused engineer who More ❯

relational database technologies as such as Memcached, MongoDB and Redis. Experience with Insurance/Reinsurance Systems and Data. High level knowledge/expertise of Front-end development such as: ReactJS, Webpack, HTML5, CSS, Bootstrap, jQuery, Accessibility and Responsive Layouts UI/UX development experience. More ❯

and mentoring other engineers Building greenfield features that solve real-world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more More ❯

or open source) Experience with Jira Nice To Have Knowledge, experience or familiarity with frontend tech (HTML, CSS, JS/TS) Some proficiency in frontend languages or frameworks (eg. React, NextJs etc More ❯

of the UK’s best-known brands. You’ll be part of a fast-paced, delivery-focused team—working to real deadlines and shipping production-ready solutions using Node , React , and TypeScript across the Full Stack . This is an environment where Software Engineers take ownership, move quickly, and make decisions that shape the product and the codebase. Tech you … ll use daily: Node, React, TypeScript AWS, CI/CD, modern engineering tools A truly modern Full Stack environment What you'll do: Ship scalable Full Stack features using TypeScript, Node, and React Work as a trusted Software Engineer in cross-functional delivery teams Solve real-world client problems and architect long-term solutions Contribute to a clean, high-quality More ❯

including building custom themes/plugins Headless CMS Web markup, including HTML5, CSS, and JavaScript/TypeScript Knowledge and experience of Git Sass, Webpack, and CSS frameworks like Tailwind React/NextJS and GraphQL Working with Restful APIs HTML emails DNS records Linux command line Experience with Vercel SEO principles Experience in an agency environment Experience Requirements: Agency: 2 years … required) WordPress: 2 years (required) React/Next.js: 2 years (required) Benefits include: Perkbox Rockstar Awards for excellence (with the opportunity to earn an extra day of holiday each month) Company events & social hours Profit share scheme 23 days of holiday Boutique agency environment with a small team working alongside senior management Hybrid working opportunities (work from home or the … years of working with an agency or start-up. If this sounds like it its of interest, apply now! Keywords: Senior Web Developer, Senior Developer, WordPress, Headless CMS, React, Next.js, GraphQL, Full Stack Developer. More ❯

Full Stack Engineer | Python | Typescript | React | AWS | Hybrid, London We are seeking a highly skilled Full Stack Engineer to strengthen our internal team and ensure the high quality, reliability, and continuous development of our platform. You’ll join an interdisciplinary team of machine learning experts, engineers, and scientists, working together to advance the frontiers of biological research and therapeutic discovery. … distributed systems and deploying to cloud services using tools like Kubernetes and AWS. Bonus Points Experience with 3D rendering (e.g., WebGL). Deep knowledge of modern UI frameworks (e.g., React, Tailwind). Familiarity with molecular or protein visualisation tools (e.g., Mol*). An interest in model serving or MLOps workflows. Responsibilities Develop and maintain both front-end and back-end … collaborative, and mission-driven work environment We are committed to building a diverse and inclusive team. We welcome applicants from all backgrounds and experiences. Full Stack Engineer | Python | Typescript | React | AWS | Hybrid, London More ❯

Lead Engineer | Hybrid | React | Node | AWS | TypeScript | £110k La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for Lead Engineers with a strong background in full-stack JavaScript development to join their growing team. As a Lead Engineer, you'll act as the technical pillar of a team of 5–7 engineers … A track record of success in mentoring, technical leadership, and stakeholder engagement Experience leading the design, development, and operation of innovative software solutions Strong skills in modern web development (React.js, Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals (MongoDB) In-depth knowledge of AWS services (e.g. More ❯

Senior Product Engineer Python, TypeScript, React, Next.js Health-Tech We have partnered with an exciting Health-Tech start-up to build out their Product Engineering team to support their recent series A raise & ambitious growth plans Why it’s exciting They’re tackling one of the most emotionally and financially challenging areas in healthcare: fertility. Their mission is bold, to … make starting a family more accessible, while also improving operational efficiency across the fertility care ecosystem. ⚙️Stack: Python, TypeScript, React, Next.js AWS About you... Experience as a Fullstack Product Engineer, ideally with some frontend experience too (nice to have) You've worked on a consumer product or love delving into user needs and bringing them to life through code You … ve got strong experience with Python, TypeScript, React, AWS, PostgreSQL You want to join a small but mighty product-engineering team ✨ You want ship meaningful features with real customer impact, and contribute to shaping both product and technical direction The package £65,000–£90,000 + equity Private healthcare, fertility support/testing, enhanced parental leave £1K/year learning More ❯

Full Stack Engineer (FE or BE focussed) Salary range : 90-170k (+equity) Location : x3 days pw onsite in Central London (Mon/Wed/Fri) Tech stack includes : React, Typescript, Tailwind, Python & Postgres. Current team size: x6 engineers Senior Full Stack Engineer required on a Permanent basis for an early stage Edtech startup that is creating e-learning tools … they're looking for very experienced engineers who've been technical co founders/founding engineers that have built and scaled businesses. Essentials for this role: 7+ years experience - React and/or Python ideally, however this is flexible. Been a founder, part of the founding team or have an excellent track record of progression at a company. Strong evidence More ❯

Lead Full Stack Engineer – .NET/React Location: Central London, hybrid working, 2 days a week onsite. Day rate: £650-£800 (Outside IR35) Duration: 6 months with likely extensions Are you a hands-on technical leader who thrives at the intersection of frontend and backend development? We're looking for a Lead Full Stack Engineer to help shape the future … providing technical leadership and doing planning and delivery, refining requirements, etc. Must haves: Strong experience in C#/.NET to developer backend systems and service development Strong experience in React and TypeScript to deliver performant, scalable frontend apps Strong testing experience – from unit tests to accessibility and security checks Solid experience integrating and consuming RESTful APIs Highly Desirable: Building and More ❯