351 to 375 of 376 React Jobs in London

real problem is measured in weeks, not quarters. You’ll work across a C++ simulation engine , a custom distribution framework, and a TypeScript/React front-end used by Simulation Operators, inside a cross-functional team of Software, QA and DevOps Engineers led by an Engineering Manager. The team … fidelity trade-offs up front rather than retrofitting them. Contribute across the web/simulation boundary, extending REST services and the TypeScript/React front-end where features reach into them. Write design documentation and run design reviews within your area, helping the team converge on technical direction quickly. Review ...

/no code Palantir Foundry tooling, or Python and PySpark code repos - to building user-facing front-end applications and widgets in TypeScript or REACT Lead Client Advisory: Sit directly alongside clients, goals and requirements and translate complex technical language into stakeholder appropriate communication AI Integration: Actively embed AI workflows … across complex use cases and architectural solutions than rote memorising of coding syntax Expert in multiple core languages (Python, SQL, TypeScript and/or REACT) and the capability to understand others. You are an expert across complex data engineering principles, ETL pipelines and application development, setting standards and creating lasting ...

Senior Frontend Engineer (React/Next.js) This is a Perm role In partnership with Robert Half Ltd and Tony Koyratty Location: Central London (Work Pattern 2 days in office and 3 days from home) £90,000 - £95,000 + Benefits | Hybrid Working Join a fast-growing, purpose-driven technology business … decisions, and play a key role as the business continues to scale. The Opportunity We're looking for a Senior Frontend Engineer with deep React and Next.js expertise and a passion for creating exceptional user experiences. You'll work closely with Product and Design to transform high-fidelity Figma designs ...

Role: Software Developer (React) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: React as a main language (modern JavaScript/TypeScript) This firm is an elite technology company with exceptionally high standards , known for pushing boundaries … Some of the highest-performing and most complex front-end platforms in the world Building highly responsive, scalable, and elegant UIs using modern React Collaborating with a handpicked group of top-tier engineers across frontend, backend, and infrastructure What else is in it for you? Software Engineers are treated ...

Technical Lead- Software Engineer – React Native (Hybrid) London (2 days onsite) The Role Own the evolution of a large-scale mobile platform as it transitions from a complex brownfield native estate to React Native. You’ll define architecture, guide tooling decisions, and lead a high-performing team—balancing speed, quality … scalability in a real-world, high-traffic environment. What You’ll Do Lead React Native and hybrid mobile strategy across iOS & Android Navigate brownfield architecture and modernise legacy systems Decide when to go hybrid vs native Drive architecture, POCs, and integration (Swift/Kotlin + React Native) Shape tools, standards ...

Role: React Frontend Developer Salary: Up to £200k (1st year compensation) Location: London (Hybrid) Skills Required: Extensive React experience needed This firm is an elite investment institution that uphold extremely high tech standards. They are made up of some exceptionally talented individuals who above all are passionate about using … limits. They’ll find the best team to suit your skillset/interests but you'll be working with the latest versions of React, directly with traders and quants to build out highly reactive UI's and frontend tools from scratch. What else is in it for you? • Software Engineers ...

Greater London, United Kingdom. The ideal candidate will have experience with Git, GitHub, and a strong focus on front-end development using technologies like React, TypeScript, and Next.js. In this full-time role, you'll work on enhancing web performance, optimizing programmatic pages, and applying best practices in SEO. ...

toward impact. We’d rather ship the wrong thing quickly and learn, than waste weeks polishing what nobody needs. Our tech stack: Primary: TypeScript, React, Node, SQL Frameworks: Express, React-hooks, Redux, RTK, Mantine Infrastructure: Docker, GCP, Kubernetes, Tracing, Prometheus While familiarity with our stack is helpful, we value your ...

Ruby Developer (Ruby, Rails, PostgreSQL, REST API's, AWS/Heroku, ReactJS) - Fully Remote* (Two meet ups per year) - Open to applicants in the UK only - Award Winning Legal Platform - £65,000 - £75,000 G.R.E. Recruitment is delighted to partner with an award-winning legal technology provider who are continuing … years Ruby development experience Experience of developing REST API's Someone who is happy to work across the full stack and take on some ReactJS work on the Front-end, they will consider developers who have worked with Angular or VueJS but ReactJS is preferred. Strong English speaking skills Someone ...

Senior Software Engineer London, United Kingdom Posted 12 months ago Tech stack React ASP.NET Core Vue.js Skills Required Strong knowledge of ASP.NET Core including creating and maintaining websites Experience with frontend frameworks such as React , Vue or Microsoft Blazor Knowledge of authentication and authorization, including token technologies such ...

Experience Design – Vice President London, United Kingdom Tech stack Agile React UI JavaScript HTML5 CSS Understanding Technical Constraints and Opportunities Informed design solutions; Familiar with HTML, CSS, and JavaScript, frameworks such as React, and mobile UI standards. Knowledge and experience working in Agile a plus. About Us J.P. Morgan ...

monitoring and compliance reporting - primarily in Python/FastAPI Designing and integrating connections to financial data providers and banking APIs Developing frontend dashboards in React that make complex financial data clear and actionable for clients Contributing to architectural decisions as one of the first engineers on the London team Helping … What We're Looking For: Strong Python experience, ideally in data-intensive or financial applications Solid full stack capability - comfortable across backend services and React frontends High agency: you take ownership, move fast, and work well without hand-holding Comfortable in an early-stage environment where requirements evolve Excellent communication ...

engineering teams to ship outcomes. You are confident with NodeJS and modern JavaScript standards like ES6 and ES7, and you can work with ReactJS or VueJS when needed to support user flows. Nice to have but not essential Hyperledger Besu, permissioned network design, consensus configuration, and experience building for regulated … will get you shortlisted Ethereum, Solidity, smart contracts, Web3, ERC 20, ERC 1155, tokenisation, Hyperledger Besu, IBFT 2.0, QBFT, NodeJS, APIs, MRV, audit readiness, ReactJS, VueJS, decentralised finance, digital assets, carbon credits, sustainability tech. ...

The Company: Join a seed stage(~£3M), VC-backed startup on a mission to build vertical and agentic tooling for the consulting and private equity landscape. Backed by tier 1 investors and angels from BCG ...

Full-Stack Engineer (React/Python/AI) Location: London (Hybrid) Salary: £100,000 + Equity About the Company: An early-stage, well-funded tech startup building AI-powered software to help businesses make smarter decisions and improve operational performance . The team is small, highly technical, and mission-driven … looking for a Full-Stack Engineer to join a fast-moving, collaborative team. You’ll work across the stack — crafting sleek UIs in React , building scalable back-end systems in Python , and collaborating with AI specialists to deliver intelligent, high-impact features. Key Responsibilities: Build and maintain ...

Java Script Works is seeking a full-time UI Architect based in Greater London. The successful candidate will utilize TypeScript, React, and Tailwind CSS to create modular, reusable, and scalable UI components. Responsibilities include architecting component libraries and enforcing design principles. Competitive compensation is offered. Ideal candidates will also have ...

Engineer (Front-End) to join their team in London, United Kingdom. This role involves building and shipping responsive, performant UIs using modern technologies like React and TypeScript, while collaborating with backend engineers for API definitions. The company offers a competitive compensation package for this full-time position, and candidates should ...

Lead Mobile Software Engineer – React Native (Hybrid) London (2 days onsite) The Role Own the evolution of a large-scale mobile platform as it transitions from a complex brownfield native estate to React Native. You’ll define architecture, guide tooling decisions, and lead a high-performing team—balancing speed, quality … scalability in a real-world, high-traffic environment. What You’ll Do Lead React Native and hybrid mobile strategy across iOS & Android Navigate brownfield architecture and modernise legacy systems Decide when to go hybrid vs native Drive architecture, POCs, and integration (Swift/Kotlin + React Native) Shape tools, standards ...

Senior Product Engineer (Front-End) London, United Kingdom Posted 10 months ago Tech Stack APIs Product JavaScript TypeScript Next.js Responsive React Frontend web Responsibilities Build and ship responsive, performant UIs using React, TypeScript, Next.js, and modern front-end best practices. Collaborate closely with backend engineers to define APIs and data ...

Lead Engineer London, United Kingdom Posted 11 months ago Tech stack SEO React Frontend Git Next.js Express JavaScript GitHub PostgreSQL TypeScript Skills Required Experience with Git and GitHub. Nice to-haves Experience working with TypeScript, Next.js, React, Express, Postgres. Experience with search engine optimization (SEO), e.g. programmatic pages, front ...

small, collaborative team What you’ll be doing You’ll work across both backend and frontend systems, primarily using Python and either React or Vue. There’s flexibility to lean into your strengths, but you’ll have ownership across the stack. What they’re looking for 3–7 years’ experience … full-stack development Strong skills in Vue/React or Python Interest in AI-driven products or “AI-native” thinking If you want to join an early-stage company where your work directly shapes the product, this is a great opportunity to get involved early. Full-Stack Engineer (Mid-Level ...

small, collaborative team What you’ll be doing You’ll work across both backend and frontend systems, primarily using Python and either React or Vue. There’s flexibility to lean into your strengths, but you’ll have ownership across the stack. What they’re looking for 3–7 years’ experience … full-stack development Strong skills in Python and/or React/Vue Interest in AI-driven products or “AI-native” thinking If you want to join an early-stage company where your work directly shapes the product, this is a great opportunity to get involved early. Full-Stack Engineer ...

Dangote Industries Limited is seeking a Senior Engineer in London to shape front-end architecture and enhance user experiences. You will design sophisticated React applications and mentor team members while collaborating closely with product and design. The ideal candidate has over 4 years of hands-on experience with React, TypeScript ...

Architect London, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack TypeScript UI Tailwind CSS React Responsibilities Deployed in the cloud. Key Skills Create and enforce design principles for modular, reusable, and scalable UI components using tools like React, TypeScript , and Tailwind ...

directly on: Building high-performance, real-time AI-native interfaces Crafting intuitive UX for complex autonomous workflows Developing beautiful, responsive frontend systems in TypeScript & React Creating product experiences users genuinely love using Influencing product direction, interaction design, and frontend architecture They're particularly interested in engineers who have: Worked …/UI Experience operating in fast-moving startup environments A desire to own frontend strategy, not just implement tickets Tech stack: TypeScript React AI-native workflows & tooling throughout engineering Bonus points for: Some backend experience for optionality Experience with PLG or consumer-style products Design sensibility and ability to bridge ...