251 to 275 of 371 React Jobs in London

level up those around you Experience requirements Strong frontend engineering experience, with production-grade work on complex, high-performance UIs Proficiency in TypeScript and React Experience with 3D rendering, WebGL, Canvas, or similar browser-based visualisation technologies is a strong plus Familiarity with Python and backend development Experience with Kubernetes … looking for experience across all of these — as long as you\'re open to learning, please apply. Backend: Python and Rust Frontend: TypeScript and React Deployment: Kubernetes Infrastructure: GCP Why Encord Competitive salary, commission, and meaningful equity in a high-growth startup Strong in-person culture — most of the team ...

modern platform that leverages large language models (LLMs) and advanced AI capabilities. Key Responsibilities * Build, enhance and maintain a full-stack application using Next.js, React and TypeScript. * Develop and optimise backend services and data models using PostgreSQL and Prisma. * Work closely with AI engineers and evaluation teams to translate data … platform. Essential Skills & Experience * Minimum 5 years' experience in full-stack software engineering. * Strong commercial experience with: o TypeScript o Next.js o React o PostgreSQL o Prisma ORM * Experience working with cloud platforms and infrastructure-as-code. * Hands-on experience with: o Google Cloud Platform (GCP) o Terraform o Docker ...

modern platform that leverages large language models (LLMs) and advanced AI capabilities. Key Responsibilities * Build, enhance and maintain a full-stack application using Next.js, React and TypeScript. * Develop and optimise backend services and data models using PostgreSQL and Prisma. * Work closely with AI engineers and evaluation teams to translate data … platform. Essential Skills & Experience * Minimum 5 years' experience in full-stack software engineering. * Strong commercial experience with: o TypeScript o Next.js o React o PostgreSQL o Prisma ORM * Experience working with cloud platforms and infrastructure-as-code. * Hands-on experience with: o Google Cloud Platform (GCP) o Terraform o Docker ...

pipelines, data modelling, and analytics workflows Application development: Support development of user-facing tools and dashboards using modern frameworks such as TypeScript and React where required Data platforms: Work across enterprise data platforms (including low/no-code environments such as Palantir Foundry or equivalent) to integrate, transform, and operationalise … experience with Python, SQL , and exposure to data engineering concepts (ETL, data modelling, pipelines) Experience with or ability to quickly pick up TypeScript/React/modern front-end tooling Exposure to enterprise or regulated environments (public sector, financial services, defence, or similar) Active Security Clearance (SC) is essential Strong ...

agentic workflows, and hardening the platform as it moves from pilots into production customer environments. ## What you'll do - Build product features across React, Next.js, and TypeScript. - Design, build, and maintain backend Python backend services and APIs. - Own PostgreSQL database design, data modelling, schema migrations, and query performance. - Build … technical decisions across the full stack, balancing product speed with long-term system quality. ## Essential experience - Strong full stack engineering experience with modern React, Next.js, TypeScript, and backend REST APIs. - Strong Python backend/API development experience. - Strong PostgreSQL experience, including schema design, migrations, indexing, and data modelling. - Experience ...

Lead & Staff JavaScript Engineers | Full Stack | Hyper-Growth Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | £110k-150k + Equity | 3 days hybrid in London Opportunity: We're supporting a hyper-growth fintech client that is also tech-for-good. They’ve got big hiring plans for the year … currently looking for Senior, Lead, Staff & Principal Full Stack Engineers to join the team. You’ll be working with Typescript, React.js, Node.js, Next.js & more, working to shape the product direction and technical architecture as they continue to scale their business and expand into new markets. What You'll Be Doing ...

automate tax‐related workflows for any internet company. Check them out below: For backend, we use Node and Go For the frontend, we use ReactJS and Typescript For persistence, we use PostgreSQL We use Azure and GCP for our cloud services We manage our infrastructure with Terraform, Kubernetes CRDs, ArgoCD … proficient in a couple of languages; most of our current codebase is in node.js with Typescript and Go on the backend. We use ReactJS on the front end, but we are not married to any tools; we see them as a means to an end. You like to keep your ...

About the role The basics £75K-£110K base + meaningful equity Hoxton, London. In-office 5 days a week, on-site. PLEASE DO NOT APPLY IF YOU ARE NOT IN THE UK This will be ...

mobile products. You will play a pivotal role in high-impact projects across our entire stack, from crafting polished user interfaces in Next.js and React Native to building robust backend services in Python. This is a high-impact opportunity for someone eager to learn fast, take ownership, solve real problems … help power the next generation of educational technology. Role Responsibilities Build and maintain features across our web app (Next.js) and mobile app (React Native) Contribute to our Python backend and help improve API performance Collaborate on database design and write efficient queries in Postgres Work with AWS services to deploy ...

Senior Full Stack Engineers | Green Tech & AI | React.js/Node.js/TypeScript | London 2 Days Per Week | £50K - £120K+Equity Company: I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions … 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) Mid & Senior Full Stack Engineers | Green Tech & AI | React.js/ ...

development and enhancement of market‐leading technology solutions. You will be hands‐on in building a critical, trader‐facing Risk Management UI using React, while also mentoring and guiding team members in best development practices. Your expertise will directly influence business outcomes, leveraging deep technical skills and innovative problem‐solving … develop, and troubleshoot creative software solutions, applying innovative thinking to solve technical challenges and deliver robust systems. Write secure, high‐quality production code in React and Typescript, and conduct thorough code reviews and debugging for team contributions. Identify and implement opportunities to automate or remediate recurring issues, enhancing the operational ...

afraid to operate across disciplines Is delivery focused Takes ownership of problems Is proactive Is not a perfectionist Our Stack Frontend TypeScript Next.js + React - App Router with React Server Components Shadcn UI, Radix UI & Tailwind CSS - Utility‐first CSS framework Data BigQuery - Cloud data warehouse Dataform - SQL transformation framework ...

degree 3+ years of full stack Python development experience with in-depth knowledge of ORM and API frameworks 3+ years of full stack Typescript React development experience Experience using Python libraries such as Fast API, SQL Alchemy and Pydantic is mandatory Experience in building, maintaining and optimizing relational SQL databases … PostgresSQL/Oracle) Rapid dashboard development (Streamlit, Plotly Dash, React) and experience presenting complex data visually to varied audiences Passion for developing in Python and React and a driven desire to engage with both our development community and the business Drive to stay up to date with changes ...

Working for a major energy trader (Oil, Power, Gas, Renewables) we are recruiting a Senior C#/React Developer with a background in financial services/trading systems/trading tools. The Role As a member of a skilled global team of software engineers, you will play a role … experience working with C# and related .NET technologies Experience with RDBMS and SQL (Oracle, SQL Server, PostgreSQL) 2 - 3 years commercial experience with React Experience working in an agile scrum development model University degree (Bachelor or Master) in Computer Science or Maths Desirable Skills: Experience in GraphQL or gRPC Experience ...

impatient for progress, then we're the place you'll thrive Regular Mario Kart action! To be successful, you will... Have experience with React/NodeJS Have expertise in Typescript/JavaScript, with proven experience in development role(s) Have exceptional problem-solving abilities, proven in diagnosing and fixing complex ...

NOTE: VISA SPONSORSHIP IS NOT PROVIDED Role : Python Developer Location: London, UK (5 Days/Week Onsite) Type: Permanent Requirement: A Python + React + SQL + Databricks developer role blends backend data engineering with frontend application development, requiring strong coding skills in Python, React.js, SQL, and Databricks for building … Management Write and optimize complex SQL queries. Manage relational databases and integrate with Databricks. Perform data cleansing, transformation, and aggregation for analytics. Frontend Development (React) Design and build responsive, interactive UIs using React.js. Integrate frontend components with backend APIs and Databricks datasets. Use visualization libraries (D3.js, Plotly, Recharts) for dashboards. ...

Senior Software Engineer London, United Kingdom Posted about 1 year ago Tech stack HTML & CSS React JavaScript ECMAScript 6+ Full-stack TypeScript Familiarity with modern architecture We work full stack and so proficiency with JavaScript (ES6+), React, and Typescript along with a good understanding of (or willingness to learn) HTML ...

Senior Consulting Engineer (Armakuni Network - Contractor) London, United Kingdom Posted 11 months ago Tech stack Node.js Amazon AWS Python GCP Java React JavaScript Azure Native principles and practices (e.g., AWS, Azure, or GCP). Proficient in programming with multiple languages (e.g., Java, Python, Node, Javascript, React – though we are open ...

front-end technologies. You will write clean, maintainable code and ensure optimal performance across all devices. Key responsibilities: - Develop new user-facing features using React, Vue, or Angular - Build reusable code and libraries for future use - Ensure the technical feasibility of UI/UX designs - Optimize applications for maximum speed … What we're looking for: - 3+ years of front-end development experience - Strong proficiency in JavaScript, HTML, CSS - Experience with modern front-end frameworks (React, Vue, or Angular) - Knowledge of RESTful APIs and async request handling - Familiarity with version control tools (Git) - Understanding of cross-browser compatibility issues - Experience with ...

Design and deliver end-to-end technical solutions across complex data environments Build and maintain applications using technologies such as Python, PySpark, TypeScript, and React Develop AI-driven workflows and operational tooling Work directly with client stakeholders in fast-paced delivery environments Present demos, gather feedback, and iterate rapidly Contribute … teams What Were Looking For Strong software engineering or data engineering background Experience with Python and/or SQL, with exposure to TypeScript or React beneficial Understanding of ETL pipelines, data platforms, and modern application development Strong problem-solving capability and ability to work in ambiguous environments Excellent communication skills ...

engineers the autonomy to make meaningful decisions. About the role You will build and maintain backend services in NestJS and TypeScript, contribute to their React frontend, and play an active part in technical discussions that shape how their platform evolves. You will work in a team that values pragmatism over … Requirement: Over 4 years experience as an engineer Strong proficiency in TypeScript with practical experience building and maintaining backend services in NestJS Confident with React on the frontend, including component architecture, state management, and performance considerations Experience with PostgreSQL or similar relational databases, including writing efficient queries and managing schema ...

Tech for Good Location: London (hybrid) Salary: £80,000 to £95,000 + equity + benefits Tech stack: • Python (Django, Flask or FastAPI preferred) • React/TypeScript • AWS We’re partnered with a mission driven company using technology to support large scale environmental and operational projects in the real world. … effectively with both technical and non technical stakeholders • A pragmatic approach to problem solving and delivering value The current stack is centred around Python, React, and AWS, though the team care far more about strong engineering capability and product thinking than ticking every box technically. If you’d like ...

Lead Software Engineer - .NET/Azure/React - Remote First Are you the kind of Lead Software Engineer who enjoys taking a fairly messy collection of systems, data feeds, portals, and legacy platforms… and gradually turning it into something modern, scalable, and genuinely slick? Maybe even enjoy the challenge … looking for: Strong Senior/Lead .NET Developer background Deep experience with .NET, Azure, SQL, and modern backend architecture Some frontend experience with React or Angular (this is heavily backend leaning, not a 50/50 split) Strong experience building business-critical platforms, customer portals, subscription systems, or data-heavy ...

maintaining product features as part of a cross-functional engineering team, working to a planned roadmap in the core engineering team (Typescript/React) for this product Acting as the primary engineering contact during Australian off-hours, providing first-line engineering coverage within standard UK working hours. Investigating production issues … ongoing knowledge transfer. Contributing to post-incident reviews and long-term reliability improvements. What you need to bring Strong front end engineering experience with React, TypeScript and modern JavaScript. Practical, hands-on experience with AWS production systems, including SQS for message processing and SES for transactional email delivery. Experience running ...

universe. We’ll trust you to: Build intuitive, production-grade product experiences for engineers working with data. Design and implement full-stack workflows across React-based interfaces, APIs, and backend services. Build control-plane systems that turn complex data infrastructure into simple, reliable user actions. Apply design thinking to technical … technical direction of the platform. You’ll need to have: Strong professional software engineering experience building production systems. Experience building reliable frontend applications using React, Vue, or a similar modern UI framework. Backend engineering experience in Java, Kotlin, Scala, Go, or another production backend language. Strong systems fundamentals across distributed ...