25 of 25 Permanent React Jobs in Guildford

leaders. Hard Skills Required • Software Engineering: Strong in at least one modern language (JavaScript/TypeScript, Java, Python) • Web & Product Development: Frameworks (React, Node.js, Django/Flask) • AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama • Agentic AI: Frameworks (langchain, langgraph, Google ADK) • AI enabled code tooling: Cursor, Windsurf, GitHub copilot ...

company. BS/MS in Computer Science or related technical discipline Preferable from premiere institute. Well versed with front end technologies and frameworks like React, Angular, Vue, Advanced JavaScript, HTML, CSS, SASS, LESS, Webpack Well versed with technologies and frameworks like JAVA/C#, Node, Python, Spring, AWS technologies like ...

week in a hybrid model. About you: You have strong C# .Net Core backend development skills You have JavaScript experience, combined with Angular or React You have experience with AWS and microservices You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms ...

technical or team lead role Strong ownership mindset; you execute and lead from the front Excellent communication and decision-making under ambiguity Node.js, React, and TypeScript Python for AI workflows and automation Microservices and distributed system design Experience with AI/LLM frameworks (e.g. LangChain, OpenAI API, Vertex, LiteLLM ...

ownership, and motivation matter more than ticking every box. What they're looking for Experience with (or enthusiasm to learn) JavaScript/TypeScript, Node.js, React, and AWS (Lambda, Fargate, S3) Exposure to modern testing tools such as Cypress, Playwright, Mocha, or Chai A pragmatic, methodical approach to improving legacy systems ...

Experience leading a software team and guiding architectural direction. • Deep experience developing modern web applications, ideally having launched a product to market. • Expertise in React, Redux, TypeScript, Python, FastAPI, and SQLAlchemy. • Strong understanding of cloud technologies (AWS preferred). • Excellent grasp of software architecture, design patterns, and scalable system design. ...

principles Nice to have Not essential, but any of these would be a bonus: Experience with a front-end/full-stack framework like React or Remix Experience with a back-end language, framework, or backend platform like Supabase Experience setting up or running A/B tests Experience building ...

data handling, and AWS cloud technologies. Key Responsibilities Design, develop, and maintain backend services using TypeScript, Node.js, and PHP 8.1+ and modern JavaScript frameworks (React, Vue, or similar). Build and integrate cryptographic export and data protection components ensuring compliance with relevant standards. Develop and optimise RESTful and GraphQL APIs … TypeScript, JavaScript (ES2020+), and Node.js runtime internals. Experience with PHP 8.1+ (preferably Yii2 or Laravel frameworks). Solid front-end development experience with React, Next.js, Vue, or Svelte. Advanced SQL knowledge with MySQL/Aurora, including schema design and query optimisation. Experience designing and maintaining AWS DynamoDB schemas and indexes. ...

reviews, pairing, and technical guidance Contribute to cloud and platform decisions, including deployment and observability Tech Stack & Environment Frontend: Svelte (primary), with openness to React or Angular experience Strong focus on web components and reusable design systems Modern JavaScript/TypeScript Backend: Node.js or Python (microservices-based) API-driven architecture … Strong experience as a senior or lead fullstack engineer in modern web environments Deep knowledge of JavaScript and frontend architecture Experience with Svelte, React, or Angular (Svelte experience is a plus, not a requirement) Backend experience with Node.js and/or Python Solid understanding of microservices architecture Hands-on experience ...

collaborate directly with portfolio managers and the operations team, owning features from conception to deployment. The work splits roughly: 60% Web Development – React frontend + Python FastAPI backend for trade booking, dashboards, fund analytics, and reporting 30% Data and Domain Modelling – Data pipelines for research, modelling instrument and trade structures … will power the operational infrastructure for managing the portfolios—handling trade workflows, portfolio data, and analytics within days of writing it. The Stack Frontend: React, TypeScript (shadcn/ui, Vite, AG Grid) Backend: Python, FastAPI (SQLAlchemy ORM, MySQL, Redis, QuestDB) Infrastructure: AWS (EC2, S3, SQS, RDS), CloudFormation, Git, Cypress Integrations ...

next generation Financial Services Regulatory Compliance platform. This is a hands on role where you'll work across the stack, leading frontend development with React and Next.js while also contributing to a Python (FastAPI) backend that powers AI driven insights and data heavy systems. You'll have real ownership, influence … shape a platform used to simplify complex regulatory information. What you'll be doing Leading the development of responsive, high performance frontend features using React and Next.js Working closely with product, design, and data teams to create intuitive user experiences Building and maintaining scalable APIs and backend services in Python ...

real engineering problems in lean environments, this is it. What You'll Do Full Stack Development: Ship features across backend (majority) and front end (React/Next.js). Hands-On Problem Solving: Own complex engineering challenges end-to-end in an environment with limited process and support. Integrations: Build … process—because you've done it before. Are comfortable taking responsibility for deployments, testing, reliability, debugging, and performance. Have strong experience with: Node.js, Express.js React/Next.js (or similar) PostgreSQL/SQL Firestore GCP & Firebase Thrive in fast-paced, ambiguous, high-ownership environments. Bonus: Experience in hospitality tech or fintech. ...

using frameworks such as FastAPI • Designing clean, scalable APIs used by both internal teams and external customers • Developing intuitive and responsive user interfaces using React • Shaping cloud infrastructure and deployment approaches • Writing well tested, maintainable code that is built for production • Improving reliability, performance and developer experience as the platform … pride in the quality of what you build. You will likely have experience with • Python in a backend environment using FastAPI, Flask or Django • React or a modern JavaScript framework on the frontend • API design and integration • Cloud platforms such as AWS, GCP or Azure • Testing, code quality and production ...

Figma (or similar) Portfolio showing end-to-end product design work Experience building and maintaining design systems Development HTML, CSS, JavaScript/TypeScript React (our stack is React + TypeScript + Tailwind) Comfortable turning designs into responsive, accessible interfaces Experience creating reusable component libraries Mobile development (React Native, iOS, Android ...

React/Next.js Developer – Contract (Outside IR35) Location: Remote (UK-based preferred) Contract Length: 2 months Contract Type: Outside IR35 Rate: £300 per day Start: ASAP Overview We're looking for an experienced React/Next.js Developer to join us on a short-term contract to help deliver and enhance … great opportunity for a contractor who can hit the ground running and add value quickly. Responsibilities Build and enhance frontend features using React and Next.js Translate designs and requirements into high-quality, maintainable code Work with APIs and backend services to integrate frontend functionality Optimise performance, accessibility, and SEO where ...

projects A willingness to both teach others and learn new techniques Grade and Role Title e.g. Software Engineer C9s C9 Full Stack Python/React developer Skills: Very brief, we go deeper later in the process Proficient in Python (4+ years) including: FastAPI ORM Agent frameworks MCP Proficient in React ...

grow their skills in a supportive environment. Key Responsibilities: Develop and maintain responsive web applications using JavaScript and TypeScript Build user interfaces with React, Next.js, and Astro Implement backend services with Node.js and Express Create and maintain RESTful APIs Work with databases using Prisma and Drizzle ORM Collaborate with team … improving our development processes Learn and implement new technologies as needed Required Qualifications: Solid understanding of JavaScript fundamentals Experience with TypeScript Knowledge of React and Next.js Familiarity with Node.js and Express Understanding of REST API principles Experience with Git and version control Strong problem-solving skills Ability to work independently ...

enjoys ownership, collaboration and solving complex problems in a fast-moving environment. Tech stack: Ruby on Rails (backend), frontend transitioning from Ember to React, Postgres database, hosted on AWS. Key Responsibilities Design and develop high-quality, scalable, and efficient software solutions using modern best practices Collaborate closely with Product … desirable but not required Experience & Knowledge 5+ years' experience in software development Extensive experience with modern programming languages and frameworks (Ruby on Rails and React highly desirable) Proven track record of building scalable, efficient software systems Strong understanding of the software development lifecycle and agile methodologies Experience working with cross ...

government, and facilities management firms to optimise asset information through innovative technology, spatial data, and advanced analytics. Role Overview We're seeking an experienced React Native Developer to join our growing team in the facilities management sector. You'll develop and maintain features for our mobile application, enabling clients … capture asset data efficiently and reliably. Our stack includes TypeScript, Firebase, Expo, React Navigation, Reanimated and Vision Camera, alongside other high-quality React Native libraries. You'll have opportunities to explore AI-driven enhancements and contribute to meaningful R&D projects that push the boundaries of spatial data solutions. This ...

features for a high-traffic delivery network, simplifying complex event-driven architectures into streamlined systems. Working across the stack with TypeScript, Node.js, and React, you'll play a pivotal role in automating last-mile logistics for businesses of all sizes. Why this role is remarkable: Impact a core pillar … Maintain and scale microservices using TypeScript and Node.js while managing PostgreSQL databases and RabbitMQ messaging. Design and develop consumer-facing web applications using React to create a seamless experience for small and large businesses. Optimize cloud infrastructure on GCP and enhance automated CI/CD pipelines using CircleCI and GitHub ...

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) Requirements for Carbon Emission/Green Tech Start-up | Lead … Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you're confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping ...

front-office trading platform used directly by traders and quants. These roles are best suited for candidates with experience in full stack development using React and Python and particularly those who have built trading platforms from the ground up. Candidates who wish to apply must have previous experience … development of front office trading systems and must be comfortable facing to the traders and quants. Required skills: Full stack development experience using React + Python React: AG Grid, Charting, WebSockets and data visualisation Python: Core Python experience around multi-processing and async programming Data: Experience building data heavy trading ...

first, turning smartphone imagery, GPS, and sensor data into actionable insights at scale. We're looking for a senior engineer who is strong in React Native, comfortable with map-heavy interfaces, and happy working across mobile and web in a startup environment. Fully remote UK-based only The Role: Build … scale React Native mobile applications (primary focus) Develop React + Next.js web dashboards with heavy map & geospatial visualisation Work with GPS, camera, and background location tracking Optimise performance for mobile, maps, and large datasets Collaborate closely with product, design, and backend teams Must Have: Strong production experience with React Native ...

looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next.js … retros and team discussions We're looking for someone who has 5+ years' experience in front end web development Strong competency with TypeScript, React and Next.js Strong problem solving and debugging ability Good understanding of performance, optimisation and best practices; particularly in React A passion for web development - someone ...

Full Stack Engineer (Java, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up Location: Remote EU - Spain Salary: £70K - £110K About: We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs). … This role requires deep expertise in Java, React, and modern AI/ML development, including LLM frameworks, SDKs, and retrieval-augmented generation (RAG) systems. Key Responsibilities Design and develop scalable full-stack solutions involving both frontend (React/TypeScript) and backend (Java). Build and optimise AI/ML pipelines ...