151 to 175 of 310 React Jobs in London

Front End React Developer, React, Javascript, NW London to £75K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them … following well-known React.js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design ...

+ 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 ...

until 2nd April and then a new one will be signed and the contract should be extended Greenfield project Data Modelling, Oauth, Javascript Typscript React, node.js, data streams, PostgreSQL, Lambda AWS: API gateway, RDS, Cloudfront, Cognito. Terraform, GitHub, GitFlow pipelines This temporary contract is outside IR35 and will be delivered ...

developing scalable APIs, services, and user-facing features Identifying high-impact growth opportunities across integrations, automation, and AI workflows Working across technologies including React, TypeScript, backend services, and data pipelines Driving real product impact with a clear link to revenue What We’re Looking For Strong experience as a full ...

ticket-closing work. This is systems thinking at the highest level, shipped into production. What we're looking for Strong fullstack fundamentals, TypeScript, React, Node Comfortable in Python and AI-driven environments A track record of shipping production-grade systems High agency, you take ownership, you move things forward ...

neatly in a box. Must-Haves 🧠 2-3+ years of commercial software engineering experience TypeScript and Next.js - non-negotiable React (goes hand-in-hand with Next.js) Startup background - this is an ideal requirement as the team are looking for candidates who have built in ambiguous, fast-moving environments Someone ...

Making autonomous systems reliable enough for daily, mission-critical work As a Founding Engineer, you’ll wear many hats: Backend: Python Frontend: TypeScript, React AI/LLMs everywhere (Cursor/Copilot as a daily workflow) Architectural decisions & trade-offs Product thinking & UX judgment Talking to users and rapidly iterating Full ...

product hypotheses rapidly, and once they're proven, build scalable, dependable, and well-tested product for our customers to use. Our tech stack is React with Typescript. You should be very comfortable with these technologies. We also use MobX and Tailwind - familiarity with these is a bonus. About ...

what you’ve made •⁠ ⁠Have strong core engineering fundamentals and the ability to learn new languages quickly (our current stack includes TypeScript/React, Python, and PostgreSQL) •⁠ ⁠Already use AI coding tools (e.g. Cursor, Claude Code, Copilot) to materially increase output •⁠ ⁠Thrive being given problems and architecting solutions, not waiting ...

Must have** - Senior or lead-level engineering experience, with a proven track record of shipping production-quality work independently. - Full-stack capability: strong React/TypeScript frontend fundamentals with solid backend experience (language is not a constraint). - Practical, hands-on knowledge of AI application development: LLMs, RAG architectures ...

Java/Spring-based platform hosted on AKS, ensuring scalability, security, and performance. Key Responsibilities: Design and develop responsive web applications using Angular , React , or Next.js with TypeScript and Tailwind CSS . Implement secure authentication and authorization using Microsoft Azure AD B2C (OIDC/OAuth2, MFA). Integrate with backend …/UI teams to deliver accessible and user-friendly interfaces. Ensure compliance with security and governance standards. Required Skills & Experience: Strong proficiency in Angular , React , or Next.js , and TypeScript . Hands-on experience with Microsoft Azure services (Azure AD B2C, Front Door, API Management, Event Hubs, Azure Monitor). Experience ...

Our client, a large enterprise, is seeking a Senior Full- Stack Engineer to join an established trading platform programme. This production- critical system is long- lived, actively evolving, and places strong emphasis on performance, reliability ...

infrastructure, and emerging Generative AI capabilities. The ideal candidate will be responsible for designing, developing, and deploying scalable applications using Java-based microservices and React-based frontends, while leveraging cloud-native and DevOps practices. Java Full Stack with React and Gen AI, Docker/Kubernetes, Terraform/Cloud Formatoin … Required Skills Backend: Strong experience in Java , Spring Boot, and Microservices Knowledge of REST APIs, security (JWT, OAuth), and database design Frontend: Proficiency in React.js , JavaScript (ES6+), HTML, CSS Experience with state management (Redux or similar) Cloud & DevOps: Experience with Docker and Kubernetes Hands-on with Terraform or CloudFormation Familiarity ...

until 2nd April and then a new one will be signed and the contract should be extended Greenfield project Data Modelling, Oauth, Javascript Typscript React, node click apply for full job details ...

llplayakeyroleindeliveringcutting-edgeAdTechanalyticssolutions,reportingdirectlytotheHeadofEngineeringandassistinginmanagementoftheteam.Thisisafantasticopportunitytoworkinahigh-impactenvironmentalongsideexperiencedengineersandproductspecialists,helpingtoshapethefutureofmediatechnology. KeyResponsibilities Leadarchitectureanddirectionforarangeofdigitalproducts. Championengineering,establishandupholdcodingbestpractices. CollaboratewithPM'sPO's,designers,andseniorstakeholderstoshapesolutions. Leadandguideteamsonfeaturebreakdown,technicalplanning,andreleaseprocesses. Manageandmentorengineersalongwithgrowingahigh-performingteams. Skills&ExperienceRequired ExtensiveexperiencewithJavaScript/TypeScript,React,Redux,andNode.js StrongexperienceinTDDandtestingframeworks(Jest,Mocha,Cypres/Playright) Atrackrecordinmodularsystemarchitectureandmulti-tenantplatformdevelopment. ExperiencewithAWS Deepunderstandingofsoftwarearchitecture,security,performance,andcontinuousdelivery. Agilemindsetwithexperienceincross-functionalteams. Iftheaboveisofinterest,pleaseapplywithanupdatedcopyofyourCVandamemberoftheScalersteamwillbeintouch. ...

Title: Senior Product Engineer Location: Hybrid – 3 days/week in Central London office Salary: Up to £150k + 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 ...

through to 4+ years experience. As a Founding Engineer in this exciting early-stage startup, you will wear many hats: Backend (Python) Frontend (Typescript, React) Product mindset Strong use of AI and LLMs (experience with Cursor/Copilot) Architectural decisions and trade-offs User feedback Full SDLC They are looking ...

technologies to enhance organisational efficiency. Maintain documentation and reporting for all technical projects. Profile Must haves: Python/Django Some front end experience - ideally React but open to Vue Experience taking the lead on projects and scoping work etc Strong communication skills - you will be the face of development ...

enjoys creating, testing, and improving things Comfortable working in a more entrepreneurial, less structured environment Strong academic background preferred Useful experience may include: FastAPI, React, TypeScript, Streamlit, APIs LLMs, RAG, agentic workflows, automation tools Internal tools, dashboards, workflow systems, CRM-type platforms AI-enabled process improvement or business automation This ...

high-ownership role where you'll help shape product direction, test hypotheses quickly, and build scalable, dependable features once validated. Tech stack: React TypeScript Bonus: MobX, Tailwind About You My client is looking for someone who: Has multiple years of frontend engineering experience Has experience working in startups Can move ...

usability in high-stakes workflows Help define the frontend foundations of the company from day one Required experience Strong experience building production frontend applications (React, TypeScript, or equivalent) Experience designing complex interfaces for technical users Comfort working with APIs, data-heavy applications, and real-time systems Strong engineering taste ...

Engineering Manager (hands on) | Golang & TypeScript/React | London (hybrid) Salary: £120,000-£140,000 + equity This team is building a platform designed to rethink how organisations use data and automation to make decisions. At its core is a complex problem around improving how systems operate at scale, with ...

deploying LLM or agent-based systems into production Solid engineering fundamentals across orchestration, memory, deployment, and monitoring Experience with tools/frameworks like LangGraph, ReAct, CoT — or ability to build systems from first principles Familiarity with PyTorch/TensorFlow, RAG pipelines, vector DBs, and modern infra Background in startups (builders ...

management, logging/tracing, evals) Experience designing large-context LLM systems (RAG, knowledge graphs, hybrid search, memory) Building features end-to-end with TypeScript, React.js, and Node.js As a person, you... Are first and foremost a builder. Are excited to work in-person from our office in London (most ...

JavaScript Engineer Location: Abu Dhabi (Full relocation covered if outside UAE) We are seeking a talented Full Stack JavaScript Developer with solid expertise in React, Node.js, WebSockets, and Kubernetes to join our dynamic team. In this role, you will design, develop, and deploy scalable applications, focusing on real-time features … want to hear from you! Key Responsibilities Design and develop scalable backend services and microservices using Node.js Build high-performance, responsive user interfaces with React and TypeScript Implement real-time features using WebSockets (live updates, notifications, streaming) Integrate and optimize Elasticsearch for advanced search, indexing, aggregation, and data retrieval ...