26 to 48 of 48 React Jobs in South London

party services. Optimize application performance and ensure scalability. Front-End Development: Develop responsive and user-friendly interfaces using modern front-end frameworks (e.g., Angular, React, or Vue.js). Collaborate with UI/UX designers to implement designs and ensure a seamless user experience. Ensure cross-browser compatibility and mobile responsiveness. … manner. Preferred Qualification: Between 1-5 years experience B.S. or higher in Computer Science or related field (or equivalent work experience) Expertise in Java, React JS, HTML5 Experience integrating with Restful web services Ability to establish trusted partnerships with product heads, and executive level stakeholders Comfortable with Agile Operating Models ...

sleeves" and code when needed. Strong understanding of technical maturity, technical debt, and the ability to direct platform evolution. Strong knowledge of PHP and ReactJS Customer-focused mindset with a track record of developing solutions that solve user pain points. Desirable Experience of leveraging AI in product development ...

Full-Stack Python Engineer (Backend-leaning, React exposure) EdTech - Outside IR35 I'm supporting an EdTech start-up doing some genuinely exciting work in the learning space, and they're looking for a Full-Stack Python Engineer to join on a 6-month contract. This is a hands-on build … Head of Tech and contributing directly to core product features. It's mostly back-end-focused, but there will be some front-end React work initially, so full-stack experience is important. What they're looking for: A strong Python engineer (4–5 years) who's comfortable owning back ...

Role: Fullstack Software Developer (React/Python) Remuneration: Up to £60,000 p.a. Location: United Kingdom - Remote About the Role Touchstone Advisory, a UK independent valuation advisory firm, is on the lookout for a dedicated Software Developer to join our innovative team. With our commitment to pioneering a new approach … stakeholders. Requirements: Above all, a positive attitude and eagerness to learn. Experience in developing web applications, with a portfolio showcasing your work. Proficiency in React, Redux, and Typescript. Proficiency in Python, FastAPI and SQL Databases. Demonstrated design and architecture capabilities. A solid understanding of software engineering principles, unit testing, code ...

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. ...

market and our rapidly expanding team, you will have the opportunity to work on a wide range of projects, including fully custom WordPress websites, React websites with Express JS and more. Comprehensive training will be provided. This presents an outstanding opportunity to advance your career and broaden your knowledge across … problem-solving skills paired with meticulous attention to detail. Outstanding communication and teamwork abilities to facilitate effective collaboration. Additional experience with PHP, Blade, WordPress, React JS, Next JS, and Express JS is a plus but not mandatory. Opportunities/Benefits: Opportunities for career growth and development A collaborative and creative ...

spearhead the development of the Single Dealer Platform within our Electronic Fixed Income & Currencies business. The ideal candidate will have deep expertise in React, RxJS, and modern UI frameworks, combined with strong leadership and architectural skills to deliver high-performance, scalable, and intuitive trading interfaces. Key Responsibilities: Lead UI Development … frequency trading environments. Innovation: Stay ahead of emerging technologies and propose improvements to enhance platform capabilities. Required Skills & Experience: Core Expertise: Strong proficiency in React (Hooks, Context API, Redux or similar state management). Advanced knowledge of RxJS for reactive programming and event-driven architectures. UI Technologies: HTML5, CSS3, TypeScript ...

Your work will focus on: Designing and implementing robust event-driven microservices and APIs Building scalable, cloud-native systems on AWS Developing modern, responsive React front-ends Integrating LLM-powered capabilities into real-world workflows Collaborating closely with product and AI specialists to turn ideas into reliable, customer-ready features … What you'll be working with You should be comfortable with most of our core technologies: Node.js and TypeScript React and modern front-end tooling AWS (e.g., Lambda, ECS/Fargate, API Gateway, SQS/SNS, DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures ...

technical focus is \"full stack\" working with C# and React. The Lead Software Developer will be responsible for Full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product Evolving a traditional monolith architecture towards a modular monolith working with both … Mentoring and upskilling less experienced developers in the team Taking the lead on architectural and design decisions Key experience Extensive C# experience SQL Server React TypeScript CI/CD - Azure DevOps MS Azure services Azure AD B2C Microservices architecture Database design and management Technical leadership If you are seeking ...

Senior React Developer (Contract) Remote | 6-Month Contract | High-Scale Regulated Platform We're hiring a Senior React Developer to support the build and evolution of a large-scale, highly regulated digital platform in the payments/fintech space. This is a fully remote, contract role suited to engineers … regulated environments and contributing immediately to complex, production-grade systems. What You'll Be Doing Building and maintaining enterprise-grade front-end applications using React and TypeScript Working within a regulated environment (payments, fintech, banking, betting, or similar) Collaborating with backend engineers, product, and QA teams in a distributed setup ...

drop into an existing codebase without hand-holding. What you'll be doing Building and maintaining robust, semantic, user-friendly interfaces Working across modern React codebases while also handling non-framework JavaScript and CSS Creating and manipulating SVG assets for scalable, high-quality UI components Collaborating closely with designers … ensure smooth frontend/backend integration Considering accessibility and WCAG standards as part of day-to-day development Skills & experience Strong experience with React.js Confident with non-framework JavaScript and CSS Experience with CSS-in-JS (Chakra UI preferred) Solid understanding of semantic HTML Practical knowledge of browser quirks ...

Full-Stack Developer (Python/JavaScript/React) 100% Remote (UK-based) Up to £55,000 | Full-Time About the Role Our HealthTech client is building a cohesive, high-performing in-house engineering team to power their growing technology suite — from web applications and data analytics platforms to AI tools … applications Develop and maintain APIs and services using Python (Flask or similar frameworks) Build and enhance modern front-end interfaces using JavaScript and React Implement best practices for modular architecture, reusable code, and streamlined deployments Contribute to front-end consistency and tech stack standardisation Support AI, data processing, and user ...

have 6+ years commercial experience working as a Full Stack Developer using Java and Vue/React/Angular? Are you looking for a new challenge where you can capitalise on your proactiveness, taking initiative and ownership of your work? Senior Full Stack Developer – World-Leading Data Verification Salary … various new projects as well as maintaining and improving current products. As a Senior Full Stack Developer, you must have experience with: Frontend-leaning React or Vue (also open to Angular if willing to learn) Java Spring SQL Understanding of the whole Software Development Life Cycle Be proactive, take initiative ...

exciting tech business offering innovative products to a global customer base. The Tech Lead will remain hands-on in a full stack Ruby, Rails, React, AWS environment leading projects an assisting senior engineers where required. Previous experience in a full stack engineer role using Ruby, TypeScript, React … growing rapidly, they promote autonomy and collaboration and support remote working. Essential requirements: A hands-on background within a Ruby, Rails, TypeScript, React, AWS or similar stack Excellent problem-solving skills and the ability to work in a collaborative product led team Advocate for Software engineering best practice – Unit testing ...

Full Stack Engineer | TypeScript, React, SQL Server, Azure | Innovation Projects Staff Engineer/Principal Engineer/Full Stack Engineer Day rate: £550–£600/day (Outside IR35) Remote Working (UK) Contract: 6 months (likely extension) The Role You will join a new innovation function that operates as the technical strikeforce … thrive in problem spaces that aren't fully defined yet. What They're Looking For (Non-Negotiables): TypeScript (strong commercial experience) React or similar modern frontend framework Backend engineering skills with Node.js/TypeScript Strong SQL skills & RDBMS experience (SQL Server preferred) ORM experience (Prisma, Sequelize, TypeORM, or similar) Full ...

Remote-First Software Engineer | Software Engineer | Software Engineer (UK) Software Engineer £75,000 - £85,000 base salary Fully Remote across the UK Typescript, NextJS, React We're working with a remote-first UK tech company operating in the referral and word-of-mouth space, helping some of the world … Responsibilities for a Software Engineer Build and ship product-led growth tools used by leading consumer brands Work mainly with TypeScript, Next.js, and the React ecosystem Take loosely defined problems and move fast from idea to production Run rapid experiments - ideas on Monday, live by Wednesday attitude Work across ...

remote UK based business committed to growth, integrity, and collaboration. Highly supportive working environment with a focus on improving and learning new skills. Figma, React/Next.js, TypeScript, CMS, Accessibility. We're delighted to be supporting a very well-established eCommerce and technology services business within the music and entertainment … frontend expertise: HTML, CSS, and TypeScript as your primary medium, with in-depth understanding of the DOM, accessibility, responsive design and performance. Experience with React/Next.js. Proven design capability: comfortable in Figma, with a keen eye for typography, colour, spacing, and motion. Experience with headless CMS platforms (Sanity, WordPress ...

strong plus) Strong backend experience with TypeScript and NestJS, including REST and GraphQL APIs Experience designing and building complex, data-heavy UIs using React (Next.js and Chakra UI are a plus) Hands-on experience with relational (MySQL) and NoSQL databases Strong debugging, troubleshooting, and performance optimisation skills Take ownership … forward Care about quality, performance, and continuous improvement Tech you'll work with Backend: TypeScript, NestJS, Sequelize, REST APIs, GraphQL, MySQL, NoSQL, Kafka Frontend: React, Next.js, TypeScript, Chakra UI, React Query, GraphQL Design: Figma (working from detailed designs and complex business requirements) Nice to have Experience with AWS and Kubernetes ...

full stack (cybersecurity experience is a strong plus) Backend: TypeScript, NestJS, REST APIs, GraphQLor similar ORM, MySQL and NoSQL, Kafka or similar Frontend: React, Next.js, TypeScript, Chakra UI, React Query (or similar), GraphQL integration Comfortable working with complex dashboards and data-heavy UIs Able to interpret designs and flows from ...

hands on leadership role, where you will be responsive both both the coding and people management. Role expectations: Own the modern frontend stack (currently React focused but open to confident knowledge with either React or Vue.js; Lead and mentor a squad of frontend developers; Maintain& evolve a shared component library … Product & Design teams; Ensure seamless API integration with backend squads; Shape front end technical directions Your experience; 5 + years experience building web apps (React, Vue, Angular); Solid experience with LAMP Stack (commercial exposure to PHP, Laravel); Experience leading/mentoring frontend engineers; Experience building or stewarding component libraries; Deep ...

Lead Software Engineer – Join a scaling Series A Up to £128,000 Hybrid working – London based – 2 days a week onsite React.js, TypeScript and Node.js We're partnered with a tech driven Scale-Up in London who have successfully achieved Series A this year and they are looking to scale … looking for curious Lead Engineers who want to join a scaling business and share their knowledge and best practices. Their product is built in React.js, TypeScript and Node.js – they are flexible on whether your strengths are within Frontend or Backend. If this sounds like a great opportunity ...

Title: Lead Software Engineer Salary/Package: £80k-£100k + Equity Company Sector: Fintech (SaaS) Tech: TypeScript, Node, React, Next, GraphQL, AWS Location: Central London (London Bridge/Bank) WFH/Hybrid: Fully Remote (once a quarter to London & Edinburgh) I'm hiring a Lead Engineer to take full technical … into clean, intuitive digital journeys What We're Looking For 6+ years engineering, including 2+ in a senior/lead role Deep experience in React, TypeScript, Node, and scalable app architecture Strong background building structured, form-heavy, data-driven UIs Comfort working in secure cloud environments (AWS ideal) Strong accessibility ...

continents, the software you build will have a direct impact on the world's most critical infrastructure. Key Responsibilities: Build high‐performance, data‐intensive React applications that power real‐time decisions across global trade. Translate massive, complex datasets into clear, actionable interfaces used by operators moving billions in commodities daily. … frontend architecture and component systems to ensure consistency, resilience, and long‐term maintainability. Qualifications: Proven track record building complex, production-grade web apps with React and TypeScript, optimised for performance and clarity. Deep understanding of modern frontend architecture - component-based design, state management, testing, and tooling. Strong product intuition with ...