176 to 200 of 324 React Jobs in London

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 ...

vector databases. ( PG vector/croma DB ) Hands-on Experience with GenAI Performance Evaluation tools like Pegasus, Ragas, DeepEval Create Conversational Interface with React JS or other Frontend components, Develop and deploy AI agents using LangGraph and ADK, A2A, MCP Strong programming skills in Python (experience with LangChain/LangGraph ...

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 ...

products, including auto, home, workers? compensation, and specialty lines. Job Responsibilities/Objectives 1.Lead and manage software development projects using Java, Python, Typescript, AWS, React JS, Angular, and other technologies. 2.Collaborate with cross-functional teams to define project scope, objectives, and deliverables 3.Create the high-level design (or solution architecture … experience is highly desirable). 2.Proven expertise in software architecture, design, and hands-on development. 3.Strong technical background in .NET, Java, Python, TypeScript, AWS, React, and Angular. 4.Demonstrated experience managing full project lifecycles from concept to delivery. Desirable Skills/Experience Although not essential, the following skills are desired ...

.NET Developer, .NET 10.0, C# 14 - Consultancy - London Or Surrey (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise … software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, MongoDB, Azure, AWS, Node.js and Elasticsearch. This is a truly exciting project, one which if you are given the opportunity ...

Full Stack Developer - .Net/React Hybrid – Central/West London & WFH Circa £50,000 - £75,000 + Bonus and benefits An exciting opportunity for a true Full Stack Developer with C# .Net, React and ideally Blazor experience to join a newly created development team. Our client is launching … using C# .NET 10 — command handlers, domain events, CQRS pattern Build Blazor-based internal booking management UI — forms, grids, real-time SignalR updates Develop React 18 customer portal surfaces — booking flows, status dashboards, document download links Write xUnit/FluentAssertions test suites; maintain coverage gates in Azure DevOps Test Plan ...

them in their key skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring … driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure Devops, Azure App Centre, Service Bus Explorer, SSMS and agile software development process/practices ...

Hybrid - Waterloo, London 12-month contract £600-£700 per day (Inside IR35) Templeton & Partners are urgently seeking a Senior Full-Stack React/Node Developer with 5+ years' experience building scalable applications and owning features end-to-end. If you're passionate about modern JavaScript development, clean architecture, and shipping … from you. Required Skills & Experience (Must Have) Full-stack development with strong understanding of end-to-end application architecture TypeScript - extensive hands-on experience React.js - building scalable, reusable UI components Node.js - developing Back End services & APIs Automated Testing - unit & integration testing Databases: Cosmos DB DocumentDB PostgreSQL (nice to have) Strong ...

Responsibilities Design, build, and maintain features across the full stack of a high- performance trading platform . Work primarily with: TypeScript ( Node. js & React) Monorepo tooling, GitHub, GitHub Actions Jest, Playwright Redis, MS SQL, WebSockets Docker, Kubernetes Observability tools ( Grafana, Prometheus, SonarQube) Take end- to- end ownership of features from … part of day- to- day development. Requirements 8+ years of professional software development experience. 3+ years hands- on experience with TypeScript, Node. js, and React . Good experience building and maintaining production systems . Comfortable working in a senior, autonomous engineering team . Good communication skills and fluency in English. ...

ground level, and see what it takes to win. This role will be demanding. What Weʼre Looking For Exceptional aesthetics. Strong frontend engineering skills (React/TypeScript) with an eye for polish. Product sense for complex, information-dense interfaces, such as document workflows. Sharp intuition about LLMs ...

Role: Fullstack Developer - Python & React Location: London (Hybrid; up to 3 days per week onsite) Salary: £45,000 - £65,000 (DOE) Clearance: Active SC We are partnering with a leading technology consultancy to find a Full-Stack Engineer for their public sector team in London. This is a brilliant opportunity … with 3 to 5 years of experience looking to master AWS serverless architecture. The Tech Stack Back End: Python (RESTful APIs, Microservices) Front End: React, TypeScript Cloud: AWS (Lambda, DynamoDB, SQS) Ops: CI/CD pipelines, Automated Testing, Git What You'll Do Design and maintain full-stack solutions hosted ...

Lead PHP Developer - PHP Laravel/Symfony/CodeIgniter; HTML, CSS, SQL/MySQL, AWS inc AI Search; Javascript Vue.js, React.js; Full Stack/Full Lice Cycle, Professional Services/Finance Systems. Permanent, London (Hybrid 2/3), £130k - £150k (On Experience) +Benefits Lead PHP Developer/Senior Web Developer … APIs Undertake code reviews across PHP, Laravel, Symfony, CodeIgniter, Go/Golang (to a lesser degree), SQL/MySQL, HTML, CSS and Javascript (inc React.js and Vue.js) Architect, build, and deploy scalable, cloud-native, AI-powered data-driven products in AWS Drive the integration of AI, automation, agents, and modern ...

shaping solutions, working directly with stakeholders, and contributing to how the system evolves. Responsibilities: Building and maintaining full-stack features using TypeScript, Node.js and React Working on real-time systems using WebSockets, Redis and SQL Driving high-quality engineering through automated testing (Jest, Playwright) Collaborating closely with DevOps on observability … part of day-to-day workflow Qualifications: 7+ years of software engineering experience Strong TypeScript experience across both backend and frontend (Node.js + React) Experience building and maintaining production-grade systems Comfortable operating in a senior, autonomous environments Strong communication skills and ability to work directly with stakeholders If this ...

Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker, React and AWS. You'll contribute to CI/CD pipelines, ensure non-functional requirements are met and collaborate with colleagues across engineering, analysis and design. …/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience Kafka Liquibase or similar migration tooling Swagger/OpenAPI Gradle React TypeScript Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built ...

balance technical delivery with mentoring and architectural direction. Key Responsibilities Lead the design, development, and deployment of full-stack applications using Java, React, JavaScript , and AWS . Provide technical leadership and direction to development teams. Collaborate with architects, product owners, and stakeholders to deliver secure and scalable solutions. Champion best … level developers. Ensure all solutions meet government and security compliance standards. Skills & Experience Essential: Active SC Clearance . Strong background in Java and React development. Proficiency with AWS and modern JavaScript frameworks. Experience leading technical teams or projects in an agile environment. Excellent problem-solving, communication, and stakeholder engagement skills. ...