326 to 350 of 376 React Jobs in London

assistant — Cursor, Copilot, etc. — and willing to learn Claude Code fast) Solid understanding of HTML, CSS, JavaScript and modern static site frameworks ( Astro preferred; React/Next.js experience is a plus) Working knowledge of technical SEO : schema markup, page speed (Core Web Vitals), crawlability, internal linking, meta optimisation Comfort with … did. Include links to 2–3 live sites you've built or worked on (Astro or static sites preferred). Answer this: "A React single-page-app site ranks badly because Google sees an empty HTML shell. What's your fix?" — a short, practical answer is fine. Put the word ...

assistant — Cursor, Copilot, etc. — and willing to learn Claude Code fast) Solid understanding of HTML, CSS, JavaScript and modern static site frameworks ( Astro preferred; React/Next.js experience is a plus) Working knowledge of technical SEO : schema markup, page speed (Core Web Vitals), crawlability, internal linking, meta optimisation Comfort with … did. Include links to 2–3 live sites you've built or worked on (Astro or static sites preferred). Answer this: "A React single-page-app site ranks badly because Google sees an empty HTML shell. What's your fix?" — a short, practical answer is fine. Put the word ...

/no code Palantir Foundry tooling, or Python and PySpark code repos - to building user-facing front-end applications and widgets in TypeScript or REACT Client Advisory & Translation: Sit directly alongside clients, distinguish their goals and requirements and translate complex technical language into stakeholder appropriate communication AI Integration: Actively embed … decompose complex use cases and architect solutions than rote memorising of coding syntax Fluency in core languages (Python, SQL, TypeScript and/or REACT) and the capability to pick up others quickly. You should understand data engineering principles, ETL pipelines, and application development Familiarity with Palantir (Foundry, Gotham, or similar ...

/no code Palantir Foundry tooling, or Python and PySpark code repos - to building user-facing front-end applications and widgets in TypeScript or REACT Client Advisory & Translation: Sit directly alongside clients, distinguish their goals and requirements and translate complex technical language into stakeholder appropriate communication AI Integration: Actively embed … decompose complex use cases and architect solutions than rote memorising of coding syntax Fluency in core languages (Python, SQL, TypeScript and/or REACT) and the capability to pick up others quickly. You should understand data engineering principles, ETL pipelines, and application development Familiarity with Palantir (Foundry, Gotham, or similar ...

modelling. Develop backend services and APIs using TypeScript/Node.js, NestJS , or similar frameworks to support data access, computation, and model inference. Build modern React experiences, including components, state management, and data-rich interfaces that explain insights and recommendations clearly to end users. Integrate AI into your engineering workflow using … production-ready software. What you need to have: Strong experience in TypeScript/Node.js, including NestJS or comparable backend frameworks used in production. Strong React skills, including component architecture, state management, and experience delivering data-heavy user interfaces. Strong SQL and data querying skills, with the ability to self-serve ...

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/sim boundary, extending REST services and the TypeScript/React front-end when features reach into them. Write design docs and run design reviews in your area, helping the team converge on technical direction quickly. Review ...

squad to ship daily without friction. Ship End‐to‐End: Move seamlessly between tweaking AWS IAM policies, optimizing the backend, and refining a React component. You aren't just building a feature; you’re building a venture. Your Impact Product Partner: You influence product decisions by determining the right technical … make infrastructure an asset, not a blocker. Full‐Stack Flexibility: You are a generalist at heart. You’re happy writing TypeScript/React one hour and debugging an AWS deployment the next. Strategic Communication: You can explain complex architectural trade‐offs to both technical and non‐technical stakeholders. What ...

about grey-box synchronization, and architect a test infrastructure that prevents regressions rather than just catching them. You'll own QA across our mobile (React Native/iOS & Android), web (React), and backend (API) surfaces, and you'll set the standard for how engineering ships with confidence. What … debug Detox synchronization failures on iOS. Fluent with XCUITest, including accessibility identifier strategies, launch argument injection, and Keychain seeding for state bootstrapping. Experience testing React Native and React applications — you know where the bridge is, how it fails, and how to spy on it without killing the network layer. Strong ...

business. A brilliant opportunity! The following skills/experience is essential: Software Development Manager/Engineering Manager background Experience with modern web technologies (eg, React/React Native, Node.js) and system architecture. Digital, Retail or Telco background. Agile Excellent communication skills Salary: Up to £95,000 + bonus + package ...

London to drive development in Equities Derivatives and Risk Technology. Your role will be pivotal, focusing on building trader-facing Risk Management UIs with React while mentoring team members. The ideal candidate will have advanced proficiency in React, strong experience with CI/CD, and hands-on expertise with TypeScript. ...

currently working with a Tier 1 Investment Bank who are actively seeking multiple Senior Software Developers who are proficient in both Python and React/Typescript/What you'll need to succeed : Extensive hands-on development with both Python and React/Typescript Strong financial services background, ideally within ...

salary up to £120k and allows hybrid working: two days in the London office near Waterloo. Ideal candidates are those with strong TypeScript, React, and some Python skills. Join a company valuing diversity and career progression with opportunities for impactful contributions. #J-18808-Ljbffr ...

report to the CTO, working closely with product, data, and customer-facing teams. A strong candidate will bring a solid background in TypeScript and React, helping strengthen the team’s full-stack product development capabilities, particularly across TypeScript, React, and Next.js, while contributing to backend systems in Python. Your work … done attitude. You’re comfortable with ambiguity, take ownership, and move from idea to working software without needing constant direction. Strong TypeScript and React experience. You’ve shipped real, user-facing features and care about code quality, usability, and maintainability. Experience with Next.js is a plus. Full-stack mindset. ...

with direct ownership over user-facing features and core platform functionality What you will do: 🛠️ Build and scale full stack TypeScript applications using Node.js, React, and Next.js 🚀 Ship product features end-to-end, from concept and prototyping through to production deployment 🤝 Collaborate closely with founders, product, and design teams … developer experience across the stack 🏗️ Contribute to architecture decisions and help shape engineering best practices as the team scales Tech Stack: ⚙️ TypeScript, Node.js, React, Next.js, GCP, Postgres, Terraform What we are looking for: 💻 Strong full stack engineering experience with TypeScript, Node.js, and React (2+ years experience) 🎓 Top-tier education ...

Senior Full Stack Engineer – Scaling Series B HealthTech 🚀 💰Up to £110,000 plus equity 🏡Hybrid working – London based 💻Node.js, TypeScript and React We’re partnered with a fast-growing consumer technology driven business who are now looking for a Senior Software Engineer as they continue to scale. The business … Working in a collaborative team to integrate AI-assisted engineering tools to accelerate development, refactoring, planning and feature delivery across a modern TypeScript/React stack Design and deliver full-stack features across backend systems, APIs, databases and frontend experiences Contribute to scalable architecture, experimentation platforms and engineering best practices ...

Senior software engineer payroll London, United Kingdom Posted 9 months ago This is a job posted by our partner Jooble. Tech stack Python React Django Key Qualifications Strong written and verbal communication skills, collaborating effectively across diverse functional teams. Experience with Python, Django, and React is a plus. Additional Information ...

Senior Software Engineer London, United Kingdom Posted 10 months ago Tech stack TypeScript React SQL What You'll Be Doing Contribute to the rebuild and refinement of our core platform Write clean, scalable, well-documented code in TypeScript, React, and SQL Design and maintain complex data models for performance ...

will be responsible for implementing engineering best practices including code reviews, testing standards, CI/CD pipelines, and monitoring strategies for production NestJS/React applications. Qualifications 6+ years of full-stack engineering experience in SAAS and API development, with deep expertise in Node.js/NestJS, PostgreSQL optimization, and React ...

Tripled ARR in 12 months Remote‐first (UK) with hybrid London office option Up to £130,000 + equity Tech stack: Typescript/Node, React, GCP/AWS We’re working with a rapidly scaling AI‐native SaaS company that raised an impressive Series B round in 2025. Their platform … solving challenging technical problems while shaping the product experience for thousands of users. What will the Senior Product Engineer do? Contribute across the stack (React/Typescript, Node, GCP), with a strong focus on frontend systems Design scalable frontend architectures to support rapid product growth Lead end‐to‐end feature ...

that automates complex legal workflows for global VC funds. You will own the full stack, from architecting AI document pipelines to shipping production-ready React components, directly impacting how leading investors close deals and manage risk. Why this role is remarkable: High-impact leadership role where you will design … quality code over bureaucracy and offers meaningful equity upside. What you will do: Architect and ship end-to-end features using TypeScript, Node.js, and React while maintaining enterprise-grade security for sensitive legal data. Build sophisticated document processing engines that parse, analyze, and redline DOCX and PDF files to extract ...

directly with stakeholders, build modern data workflows, and help deliver meaningful transformation projects. You’ll work across technologies including Python, SQL, PySpark, TypeScript/React, and Palantir Foundry, contributing to everything from data engineering and AI workflows to user-facing applications. What You’ll Do Build and support scalable data … using modern enterprise tooling Collaborate in a fast-moving, highly technical team environment What We’re Looking For Experience with Python, SQL, TypeScript or React Understanding of data engineering & ETL principles Strong communication and stakeholder skills Curious, adaptable, and solutions-focused mindset Palantir experience is a plus, not a requirement ...

doing Leading migration from SharePoint 2016 on-prem to SharePoint SE and SharePoint Online Rebuilding legacy web parts using SPFx (TypeScript, React, REST APIs, Microsoft Graph) Administering both on-prem and cloud environments patching, upgrades, governance, DR Configuring Business Connectivity Services and External Content Types Designing and maintaining the enterprise … shaping platform standards What we're looking for Strong hands-on experience with SharePoint SE and SharePoint Online Proven SPFx development TypeScript, JavaScript, React Experience with C#/.NET, SQL Server, and RESTful API integrations Solid on-prem admin background patching, performance tuning, troubleshooting BCS and ECT experience a strong ...

shadow Product Owners and Product Managers including participating in customer research and product discovery processes. The skills you'll need: In-depth knowledge of React, JavaScript/TypeScript and the DOM. Demonstrated delivery of web applications. Comfortable working with REST APIs using asynchronous patterns. Experience with Git, including understanding … Experience with optimising code for performance and quality. Experience working in a Test Driven Development like environment. Working knowledge of Apollo (client and server), React Hooks, SASS/SCSS and Webpack. Good knowledge of Node.js and production- level GraphQL. Design-minded attention to user interface implementation. Message-driven architectures/ ...

Senior Full Stack Engineer - Series B HealthTech £90,000-110,000 Hybrid working - London based (3 days in office) Python, React & TypeScript + Agentic AI Development stack Profitable HealthTech We're partnered with a fast-growing, technology-driven scale-up on a mission to revolutionise personalised health and personal care. … doing: Direct agentic workflows using tools like Claude Code and Cursor to navigate, plan, refactor and ship features across a Python/React stack Architect and deploy end-to-end features, from backend logic and database schemas to modern frontend experiences Contribute to scalable architecture, experimentation platforms and engineering best ...

review, approval workflows, transaction oversight Design clear, logical interfaces for complex legal processes - making the complicated feel simple Work across the full stack - from React/Next.js frontend to the state machine and workflow engine that orchestrates every transaction Use AI coding tools (Cursor, Claude Code) as a core part … product and UX A strong problem solver - you break down ambiguous requirements into clear, logical steps and build well-structured solutions Strong command of React/Next.js, TypeScript and Python Comfortable working across the stack - you can build an API endpoint when needed, not just consume ...