76 to 100 of 266 React Jobs in London

visualisation techniques. Qualifications: 1–7 years of professional software engineering experience. Strong academic background from a leading university. Deep experience with modern JavaScript frameworks (React preferred), TypeScript, and data visualisation tools. Proficiency in Python and familiarity with data workflows and backend frameworks (FastAPI/Flask). No sponsorship available – candidates ...

firm then don’t worry. Additional exposure to the following is desired : - Tech Stack you will learn Hadoop and Flink RUST, Javascript, React, Redux, Flow Linux, Jenkins Kafka, Avro, Kubernetes, Puppet Involvement in the Java community My client is based London. Home work is encouraged but you will need ...

Friday (37.5 hours) The must haves: 5+ years of developing A/B/MVT optimisation experience campaigns Front end development experience in either REACT or Angular framework Proficiency knowledge in JavaScript, jQuery, Vanilla JS, CSS and HTML A passion for great online experience and an understanding ...

including the ones we havent discovered yet) Tech youll work with Python + TypeScript/Node.js (in equal measure) API integrations, ETL, schema validation React/TypeScript, Supabase, AWS Data quality systems and pipeline tooling Whatever the mission requires we optimise for impact, not rigidity What matters most Ownership ...

overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed ...

innovation, and tactical upskilling across emerging technologies. Key Skills & Experience Strong commercial experience with Spring Boot and Java Enterprise development. Front-end proficiency with React , Vue.js , or AngularJS . Experience with modern testing frameworks and TDD. Ability to work across UI, API, and data layers. Technically curious and willing ...

scalability. Key Responsibilities Design, develop, and maintain custom ASP.NET MVC web applications and SharePoint solutions. Implement responsive, user-friendly interfaces using frameworks such as React, Angular, Bootstrap, and jQuery. Develop and optimize SQL databases to support application needs. Utilize low-code platforms like PowerApps and Power Automate to streamline workflows. ...

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

Software Engineer/Front End Developer (TypeScript React Native AI) London/WFH to £80k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other … contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive ...

backend-leaning but requires strong full stack capability, with exposure to both web and mobile app environments. Key Skills: Node.js, TypeScript, BFF experience essential React.js & React Native Terraform, K8's, Docker Cloud experience (ideally GCP) Key details: Up to £550 per day, Outside IR35 Initial 3 months (extensions likely) Interviews ...

looking for a new fresh and exciting challenge as a JavaScript Developer within a very successful and growing team. Key skills required: Vanilla JavaScript React UX HTML/CSS SCSS The ideal JavaScript/Web Developer will have a passion for producing wonderful code, exceeding expectations and developing excellent work ...

Implement and maintain secure, scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure ...

Implement and maintain secure, scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure ...

places in the UK for Engineers to learn and grow. Essential Skills: Python JavaScript/Typescript. They use Vue.js but are open to any React.js engineers AWS/GCP MongoDB DynamoDB Nice to haves: Experience building a product from scratch Kubernetes/Terraform experience Architecture background ...

Integrating API/UI components with existing data stores and APIs Maintain and develop existing architectural components. Required skills Spring Boot Java Enterprise development React/VueJS/AngularJS Appropriate Testing Frameworks This role will require eligibility to be clearable to DV Clearance If you're interested in the above ...

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 ...

Highly skilled in Python development, with knowledge of FastAPI framework. Good databases knowledge with schema design and SQL. Some front-end development preferably TypeScript & React is highly desirable. Experience of designing scalable systems and working with CI/CD pipelines. Experience in data-driven applications, cyber security, or SaaS platforms ...

development across AI-first products Turning ML capabilities (Python, TensorFlow, PyTorch) into real customer value Working closely with engineering teams using TypeScript, Node.js, React, and Next.js Partnering with data teams working across AWS, Kafka, Spark, and modern data pipelines Shaping products built on secure, scalable fintech architecture (Event-driven, microservices ...

genuine enthusiasm to learn) Collaboration style - You work well with others but are equally effective independently Nice to Have: Experience with modern frontend frameworks (React, etc) Background in API development or distributed systems For more information, please apply! *Please note that this role will not be able to provide sponsorship ...

scalability Support data-driven improvements through analytics and experimentation Essential Skills & Experience 2–5 + years experience as a Full Stack or Software Developer React Java JavaScript, HTML, CSS PostgreSQL Experience using Git in a collaborative environment Ability to communicate technical concepts clearly to non-technical stakeholders Strong written ...

mature our engineering practice. Within months: Tackle technical and non-technical scaling problems that come with high growth. Our tech stack NodeJS Python Typescript React AWS Serverless ABOUT YOU Extremely Curious — We think curious people run the world. We love those who have an insatiable hunger for more knowledge... about ...

fast-moving, unstructured environments. Nice-to-haves (none required) Experience in SaaS platforms, IT systems, automation, or cybersecurity. Familiarity with frameworks such as React/Next.js, Node.js, TypeScript. Experience in device lifecycle management or IT support. 💚 Why Join Klyk? 🌱 Purpose-driven work Make a measurable impact on reducing e-waste ...

CrewAI (orchestration), MCP servers (integration), GitHub Copilot/Claude Code. Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs). Frontend (when needed): React/Next.js (for dashboards/admins, used selectively). Competencies & Behaviours Communicates clearly with technical and non-technical teammates. Takes ownership from concept to deploy ...

most complex challenges. You'll design and build modern applications leveraging technologies such as Java (Spring Boot), NodeJS, RESTful microservices, React, NoSQL and cloud platforms, all while working closely with multi-disciplinary teams. You'll work on a broad variety of projects - from greenfield builds to large-scale modernisation - with … digital services. Key Responsibilities Design and deliver high-quality microservices using Java (Spring Boot) Build user-centric front-end applications using JavaScript/TypeScript, React, HTML and CSS Develop cloud-native solutions on platforms such as AWS or Azure Use CI/CD pipelines and version control tools to ensure ...

preferred) Strong knowledge of REST APIs, JSON, OpenAPI/Swagger Experience with SQL/NoSQL databases (Oracle, PostgreSQL, MongoDB) Frontend experience with Angular or React Understanding of payment systems and financial services architecture ...