126 to 145 of 145 React Jobs in the City of London

About PRODA At PRODA (www.proda.ai) we are building software to unlock the full potential of Real Estate Data no matter the asset class, language, or country of origin. Our solution leverages the latest technologies to ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across … stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive ...

some of the sharpest and most demanding minds in global finance. What You’ll Be Doing Building lightning-fast, data-intensive UIs using React and TypeScript Partnering with back-end engineers, traders, and product leads to shape next-generation trading tools Designing and evolving front-end architectures for real-time … visualisations Working in an environment where craftsmanship, performance, and code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They’re Looking For Deep ...

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 Carbon Emission/Green Tech Start-up | Full … Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> 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 ...

Software Engineer - B2B2C Health Scale-up | Up to £80,000 + Equity | London (Hybrid – 2 days in office) JavaScript | React | Node.js | TypeScript In Product is partnered with a profitable, growing health tech scale-up operating in the B2B2C space. The business is a trusted partner to leading organisations across … things are built - without needing to be the loudest voice in the room In this role, you will... Build and maintain features using React, Node.js and TypeScript Contribute to technical decisions with support from senior engineers and leaders Work collaboratively within a squad to turn research and insight into working ...

Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during trading hours and end-of-day processes. Work with senior developers to define best practices … experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing responsive, performant UIs using React, Angular, or Vue.js; familiarity with PowerBI or other BI tools is a plus. Effective communicator capable of working directly with business users and senior stakeholders. Adaptable ...

Solutions Engineer (Media) London/Hybrid £65,000–£75,000 Are you a technically strong engineer with a passion for building tools that make marketing smarter? We’re partnering with a fast-growing, global performance ...

Senior Full Stack Engineer/Developer (React Redux TypeScript Node.js) Remote UK to £90k Are you a Full Stack Engineer with strong front end development experience with React and Redux? You could be progressing your career in a senior, hands-on role at a scaling Fintech who have built ...

+ meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe ...

Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join … were looking for: Strong hands-on experience with Node.js backend software development Comfortable working across or picking up other tech as needed ie AWS, React etc (If you have experience with AWS & React, that is a bonus) Enthusiasm for writing clean, tested, production-ready code Experience (or interest) in data ...

manage, and mitigate risks effectively. Their platform offers software solutions that support enterprise risk management, compliance management, health and safety, and incident reporting. Stack: React, Node, Nextjs, AWS Responsibilites: Develop and maintain responsive web applications using React and Next.js for frontend development. Write scalable, reusable, and efficient TypeScript code ...

+ meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the globe ...

This role will allow you to own the end-to-end delivery of complex features, building and scaling high-quality solutions using Node.js and React.js while playing a key role in architecture and system design decisions. Who are you? Strong experience with both Node.JS and React (ideally stronger ...

Serverside Kotlin Engineers We are looking for multiple Kotlin Engineers, who come from a Java background with ideally some knowledge of React.JS or TypeScript to work on a long term project. You will have minimum 3+ years serverside Kotlin experience 2 days a week in London, 3 days WFH Stack … Java/Kotlin, AWS, Kafka, React.js £95k - £125k ...

named a Disruptor in the industry for their mission that is putting users in control of how their data is being used! ⚒️ Tech stack: React, JavaScript, Next.js ✨ Your role: as the Senior Frontend Engineer you'll partner with the backend and mobile teams to work across their core consumer … your work being the forefront of daily user interactions 📍Location: 2 days onsite 👀 Requirements: 4-5+ years commercial frontend web development experience using React You're an expert in JavaScript Previously worked on B2C products Comfortable working at pace and in a smaller team environment This opportunity cannot provide ...

Rapidly prototype dashboards and visualisations to meet urgent business needs. Architect and build production-grade, reusable frontend solutions using modern frameworks (React, TypeScript, etc). Ensure scalability, performance, and reliability across multiple business units. Integrate solutions with enterprise APIs and data sources, supporting cloud-native deployments. Collaborate closely with Data … data-driven environments. Deep expertise in Tableau, PowerBI, or similar tools for rapid prototyping and stakeholder engagement. Hands-on experience with modern frontend frameworks (React, TypeScript). Cloud experience (AWS preferred) and knowledge of scalable deployment and API integration. Proven track record of delivering production-ready, robust frontend solutions. Excellent ...

Title: Senior Product Engineer Location: Hybrid – 3 days/week in Central London office Salary: Up to £120k + Equity Tech Stack: Go, TypeScript, React (open to other strong technical backgrounds) ✅ What They’re Looking For Engineers who think like product owners Prior startup success or fast-paced environment experience ...

tech-first organisation, someone who's excited about building products completely from scratch. Here's what you will bring 🙌 6+ years experience working with React.JS Strong experience with both React.JS and Next.JS Proven experience working on a 0-1 development cycle Previous experience working on FinTech projects is ideal! What ...

Contract Role: Full-Stack Developer (Python & React) – EdTech Start-Up (Outside IR35) Client: Cutting-edge educational learning platform Engagement: Consultancy Duration: 6 months (strong potential extension) IR35: Outside Start: ASAP Location: Remote (UK/EU time zone overlap preferred) We’re looking for a Full-Stack Developer with … keeping exposure to the end client limited. 🔧 The Role This is a true full-stack position with work across both the Python backend and React frontend: - Initial focus on backend: building out core Python services, APIs, and platform logic. - Shifting to frontend: developing the React web application - Contributing to architecture ...

Front End Engineer/Developer (React JavaScript/TypeScript) 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 of other perks ...