22 of 22 React Jobs in South London

ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...

ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...

ready to move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...

best practices as we grow Example Tech Stack You do not need all of these, but experience with some is a strong plus: Frontend: React or Next.js, TypeScript, modern CSS frameworks Backend: Node.js with Express or Nest, or similar modern frameworks Data: PostgreSQL or MySQL, Redis, queues, or background workers ...

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 ...

ideal candidate will have worked with all listed technologies below and have past experience of migrating legacy systems. Key Skills: Typescript, Node (Nest.js) React/Next.js C#/.Net (legacy) Postgres AWS The contract will be an initial 6 months with a very high likelihood of extension and is outside ...

include browser optimisation, compiler technology or UX design which will be highly regarded. Skills 7+ years software engineering experience Expert in JavaScript, TypeScript and React Strong understanding of automated testing and QA Ability to translate complex ideas into high-quality, shippable products Mentoring and team leadership skills Collaboration with cross ...

between Postgres, Redshift, and analytics layers. Design APIs for frontend and external integrations. Balance speed and quality — building for the long term. The stack React • TypeScript • Node.js • Postgres • AWS • Redshift • DBT • Power BI • Jupiter Notebook You'll bring 8+ years of backend engineering experience in complex systems. Experience with data ...

Artificial Intelligence, Design, or a related field Familiarity with one or more of the following is beneficial, but not required: Python, JavaScript, or TypeScript React or other frontend frameworks APIs and GitHub UX/UI design principles AI tools such as ChatGPT or similar Willingness to learn and follow structured ...

doing Own end-to-end resourcing for client opportunities and delivery teams (nearshore/offshore). Build and maintain pipelines across core stacks: React, Node, Python, Java, .NET, Mobile, QA, DevOps, Data. Actively source and engage high-quality engineers (not just manage inbound). Run structured screening: stack fit, seniority ...

make our products better. Tech stack You don't need experience with everything, but an appetite to learn and share knowledge is key. ReactJS, NextJS, Typescript, Playwright, EventStore, AWS. About you You love software engineering. You enjoy playing with new technologies, keeping ahead of trends, and sharing ideas. You care ...

services, messaging, web services + distributed systems. In-depth Java 8/11 , Spring Boot, Spring Framework and Micro-services development experience. JavaScript, NodeJS, ReactJS preferred and REST API, PostgreSQL/NoSQL databases, JSON and XML. AWS Cloud environments including: ECS, EKS, API Gateway + Serverless. DevOps and CI/… projects involving messaging, web services and distributed systems, ELK stack, OpenStack platform Agile development methods (Scrum, BDD, TDD, Kanban). Advantageous skills: Docker, JavaScript: ReactJS and NodeJS preferred, AWS API Gateway and Serverless technologies, Message broker like Apache KafkaBPM framework, Mustache template Benefits include – Annual Bonus (to 10%) + Pension ...

within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/UI principles). ● Expertise in SQL and designing/optimising relational database schemas. ● We seek deep … following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud Platforms (Azure, AWS), Git. ● Advanced Topics: AI/LLM (Large Language Models), Small ...

figuring out what needs building. Curious: You have a genuine interest in voice AI, telephony, and AI agents. Our Tech Stack Python (FastAPI), TypeScript & React (Next.js), PostgreSQL AWS for infrastructure Various AI models and tooling: OpenAI, LangGraph, Google VertexAI The team James (CEO) built and exited a marketplace to 1M+ ...

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 ...

engaging user interfaces. You will contribute to evolving the architecture, tools, and processes as the company grows, working with modern technologies such as Node.js, React, GraphQL, and Postgres. This is an excellent opportunity to be part of an ambitious roadmap and deliver value quickly in an agile environment. What … teams to develop new features across the full stack Build and maintain performant, secure backend services using Node.js and GraphQL Develop user interfaces with React.js and modern front-end practices Write clean, maintainable, and well-tested code Participate in code reviews, team discussions, and agile ceremonies Help improve and evolve ...

What you will work on You will contribute across the stack, including: Building and shipping high velocity full stack features using Python, TypeScript and React Designing backend systems that integrate with LLM driven workflows and agentic pipelines Turning messy human knowledge into structured, self improving AI behaviours Working directly with … enjoys fast paced startup environments Someone who values ownership, learning and working closely with technical founders Tech stack Languages: Python, TypeScript Front end: React Cloud: AWS AI: LLM tools, agentic systems, workflow automation Approach: First principles, rapid iteration, strong fundamentals What you will get £40k to £60k salary based ...

About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address ...

Senior/Mid Frontend Engineer (React.js & TypeScript) 1 Day in office London - Open for fully remote but London based • £80,000 – £100,000 We're partnering with a small, research-driven AI startup (≈15 people) founded by leading engineers from major tech companies. Their mission is to make advanced … engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React and TypeScript. Contribute to front-end architecture, tooling, and best practices. Help shape new product experiences that make AI capabilities simple and usable. What ...

Full Stack Engineer (Python, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up Location: Remote UK 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 Python, 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 (Python/Java). Build and optimize AI/ ...