501 to 525 of 758 React Jobs in London

our programmatic and data-driven integration platforms, with a focus on scalability, reliability, and clean architecture. You will work across the full technology stack, with a primary focus on React.js for front-end development and Node.js for back-end services. You'll manage complex data flows in PostgreSQL , utilize Redis for caching and performance optimization, and implement robust messaging systems … testing, deployment, and DevOps automation. Contribute to a culture of innovation, collaboration, and continuous technical improvement. Key Responsibilities Lead the design and development of dynamic, responsive web applications using React.js , Node.js , and related technologies. Build and optimize PostgreSQL databases, including schema design, complex queries, and performance tuning. Implement and manage Redis for caching, session management, and real-time data access. … user needs. Stay current with emerging technologies, frameworks, and industry best practices, applying them where relevant. Skills & Experience Proven experience as a Full Stack Developer with strong proficiency in React.js and Node.js . Solid understanding of PostgreSQL and Redis for data management and caching. Experience with Kafka or similar message streaming platforms. Strong knowledge of CI/CD tools (e.g. More ❯

of the contract is 6 months . The pay rate on offer is £750 - £880 per day (via Umbrella - inside IR35) . Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according … engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: 5+ years' experience with frontend software development (e.g. React) Demonstrated experience of Python development (e.g. using FastAPI) Bachelor's degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and More ❯

to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring … and helping improve engineering practices across the team What they’re looking for At least 5 years’ professional software engineering experience Strong experience delivering production-grade web applications with React and Next.js Solid backend skills, preferably in Python , with good understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery More ❯

to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring … and helping improve engineering practices across the team What they’re looking for At least 5 years’ professional software engineering experience Strong experience delivering production-grade web applications with React and Next.js Solid backend skills, preferably in Python , with good understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery More ❯

to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring … and helping improve engineering practices across the team What they’re looking for At least 5 years’ professional software engineering experience Strong experience delivering production-grade web applications with React and Next.js Solid backend skills, preferably in Python , with good understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery More ❯

to help build and scale their AI-enabled workspace for professional services, investment banking, and asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring … and helping improve engineering practices across the team What they’re looking for At least 5 years’ professional software engineering experience Strong experience delivering production-grade web applications with React and Next.js Solid backend skills, preferably in Python , with good understanding of both relational and NoSQL databases Familiarity with Git and collaborative workflows, background workers/task queues (e.g. Celery More ❯

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving More ❯

the wider engineering community to foster an inclusive and collaborative culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on a period of More ❯

the wider engineering community to foster an inclusive and collaborative culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on a period of More ❯

using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of its advanced geographic modelling capabilities Metabase for analysis and self More ❯

using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of its advanced geographic modelling capabilities Metabase for analysis and self More ❯

using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of its advanced geographic modelling capabilities Metabase for analysis and self More ❯

using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of its advanced geographic modelling capabilities Metabase for analysis and self More ❯

engineers. Your responsibilities will include developing the web platform and mobile app, building APIs, supporting integrations, and deploying machine learning models into production. Requirements: Strong full-stack development skills ( React/Next.js, Node.js, Python, TypeScript ). Experience with mobile app development (React Native or Flutter) or integration with iOS/Android apps. Backend expertise (databases, APIs, authentication, security). Cloud More ❯

engineers. Your responsibilities will include developing the web platform and mobile app, building APIs, supporting integrations, and deploying machine learning models into production. Requirements: Strong full-stack development skills ( React/Next.js, Node.js, Python, TypeScript ). Experience with mobile app development (React Native or Flutter) or integration with iOS/Android apps. Backend expertise (databases, APIs, authentication, security). Cloud More ❯

engineers. Your responsibilities will include developing the web platform and mobile app, building APIs, supporting integrations, and deploying machine learning models into production. Requirements: Strong full-stack development skills ( React/Next.js, Node.js, Python, TypeScript ). Experience with mobile app development (React Native or Flutter) or integration with iOS/Android apps. Backend expertise (databases, APIs, authentication, security). Cloud More ❯

engineers. Your responsibilities will include developing the web platform and mobile app, building APIs, supporting integrations, and deploying machine learning models into production. Requirements: Strong full-stack development skills ( React/Next.js, Node.js, Python, TypeScript ). Experience with mobile app development (React Native or Flutter) or integration with iOS/Android apps. Backend expertise (databases, APIs, authentication, security). Cloud More ❯

Full Stack JavaScript Engineer to join a collaborative development team working on modern, user-focused web applications. You'll be responsible for designing, building, and maintaining scalable solutions using React, Node.js, and AWS technologies. The ideal candidate will have a strong grasp of modern JavaScript frameworks, a test-driven mindset, and experience developing applications in cloud and serverless environments. Key … responsibilities: Design, develop, and maintain high-quality web applications using React, Node.js, and TypeScript Build and maintain RESTful APIs and integrate with distributed systems Write clean, testable, and maintainable code following modern standards Develop serverless applications using AWS Lambda, API Gateway, S3, Cognito and RDS Collaborate with designers, product owners and engineers to deliver user-focused solutions Contribute to continuous … integration and deployment processes and champion best practices Essential experience: Strong experience with JavaScript, React, Node.js and TypeScript Skilled in reusable component development and responsive layouts using CSS/SASS Experience building and maintaining APIs and working with SQL databases Experience with AWS cloud tools (Lambda, S3, RDS, API Gateway) Familiarity with automated testing frameworks such as Jest, React Testing More ❯

maintain scalable backend services using Python. Integrate these services with LLMs, agents, and document processing frameworks to create robust solutions. Frontend Development: Build intuitive and responsive frontend interfaces using React, ensuring a seamless user experience. Collaboration: Work closely with cross-functional teams to design and implement AI-powered applications and solutions that meet business needs. AI Product Development: Contribute to … Stay abreast of emerging AI technologies, including LLMs, agentic architectures, and application integrations. Skills & Experience: Proven expertise in full stack development with a strong focus on Python (backend) and React (frontend). In-depth knowledge of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and related AI/ML concepts. Demonstrated ability to design scalable, reliable, and maintainable software solutions. … skills, with a proactive approach to problem-solving. Hands-on expertise with LangChain. Experience with AI model deployment and optimization strategies. Technical Expertise Required: Proficient in Python Experienced with REACT.js Familiar with Node.js Knowledge of Docker Understanding of LangChain Experience with cloud platforms such as Amazon Web Services (AWS) or Azure Familiarity with LLMs and RAG technologies Candidates will need More ❯

and maintaining Drupal-based web applications. Job Description Develop and maintain custom Drupal modules, themes, and distributions. Build responsive and accessible front-end interfaces using HTML5, CSS3, JavaScript (preferably React or Vue.js). Implement and optimize Drupal configurations, content types, views, and taxonomy. Integrate third-party APIs and external services. Collaborate with UI/UX designers, project managers, and QA … and the Drupal templating system. Familiarity with Drupal APIs and custom module development. Proficient in front-end technologies such as HTML, CSS (SASS/LESS), and modern JS frameworks (React, Vue.js, etc.). Understanding of RESTful services and API integrations. Version control using Git (GitHub/GitLab/Bitbucket). Experience working in Agile environments. Knowledge of web security best More ❯

web based systems, working within a modern cloud (AWS) microservices based environment; you'll be primarily using Typescript and Node for backend development, but will also have exposure to React on the frontend. You'll work across multiple teams and product streams in a collaborative environment that values code quality. The company are passionate about providing excellent education to hundreds … Data Streaming (Kafka), DevOps environments, CI/CD pipelines and how to deploy to the cloud, they use CloudFlare You're happy to do some front end work with React You have experience of working on large scale systems with millions of users You're comfortable with AI You're collaborative with Agile team experience What's in it for More ❯

applications. You’ll work closely with product managers, designers, and developers to implement innovative solutions that enhance user experience. This role suits someone with strong JavaScript/TypeScript and React skills, eager to grow within a dynamic team. Key Focus Areas Frontend Development: Build and maintain user interfaces with responsive design and performance optimization. Translate UI/UX wireframes into … preferred. Relevant experience or bootcamp graduation with a strong portfolio also considered. Experience: 6+ years in frontend development, focusing on JavaScript, TypeScript, and React. Familiarity with tools like Tanstack (React) Query, Zustand, and Tailwind. Experience with charting/data visualization libraries. Proficiency with Git and understanding of RESTful APIs. Knowledge of cloud services (AWS, GCP) is a plus. Skills & Competencies More ❯

applications. You’ll work closely with product managers, designers, and developers to implement innovative solutions that enhance user experience. This role suits someone with strong JavaScript/TypeScript and React skills, eager to grow within a dynamic team. Key Focus Areas Frontend Development: Build and maintain user interfaces with responsive design and performance optimization. Translate UI/UX wireframes into … preferred. Relevant experience or bootcamp graduation with a strong portfolio also considered. Experience: 6+ years in frontend development, focusing on JavaScript, TypeScript, and React. Familiarity with tools like Tanstack (React) Query, Zustand, and Tailwind. Experience with charting/data visualization libraries. Proficiency with Git and understanding of RESTful APIs. Knowledge of cloud services (AWS, GCP) is a plus. Skills & Competencies More ❯

applications. You’ll work closely with product managers, designers, and developers to implement innovative solutions that enhance user experience. This role suits someone with strong JavaScript/TypeScript and React skills, eager to grow within a dynamic team. Key Focus Areas Frontend Development: Build and maintain user interfaces with responsive design and performance optimization. Translate UI/UX wireframes into … preferred. Relevant experience or bootcamp graduation with a strong portfolio also considered. Experience: 6+ years in frontend development, focusing on JavaScript, TypeScript, and React. Familiarity with tools like Tanstack (React) Query, Zustand, and Tailwind. Experience with charting/data visualization libraries. Proficiency with Git and understanding of RESTful APIs. Knowledge of cloud services (AWS, GCP) is a plus. Skills & Competencies More ❯

applications. You’ll work closely with product managers, designers, and developers to implement innovative solutions that enhance user experience. This role suits someone with strong JavaScript/TypeScript and React skills, eager to grow within a dynamic team. Key Focus Areas Frontend Development: Build and maintain user interfaces with responsive design and performance optimization. Translate UI/UX wireframes into … preferred. Relevant experience or bootcamp graduation with a strong portfolio also considered. Experience: 6+ years in frontend development, focusing on JavaScript, TypeScript, and React. Familiarity with tools like Tanstack (React) Query, Zustand, and Tailwind. Experience with charting/data visualization libraries. Proficiency with Git and understanding of RESTful APIs. Knowledge of cloud services (AWS, GCP) is a plus. Skills & Competencies More ❯