101 to 125 of 343 React Jobs in London

where employees directly influence the direction and success of the company. Role and Responsibilities The role involves designing and delivering modern web applications using React and Next.js, ensuring high-quality user experiences. You'll build and maintain backend services using Python (Django/FastAPI preferred), integrating with relational and NoSQL ...

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 ...

systems. Desirable Skills and Technologies Proven experience with cloud platforms, including AWS, Azure, and Azure Virtual Desktop. Proficiency in programming languages such as Python, React, and Go. Experience deploying applications within cloud architectures, Hands-on experience with web application services. Familiarity with Test-Driven Development and Behaviour-Driven Development Experience ...

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. ...

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 ...

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 ...

unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, React or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working in ambiguous, fast ...

sales, solutions engineering, or software development within consulting or professional services. Strong knowledge of cloud architectures, APIs, and modern delivery practices Javascript/Typescript React Node JS Excellent communication skills, able to bridge technical and commercial conversations. Ambitious, proactive, and comfortable in fast-paced environments. Fluent English; ability to travel ...

modern testing and monitoring tools, and demonstrated ability to test and monitor your own code. Preferred Qualifications: Front-end software development experience in React, NodeJS, or TypeScript. Experience working with Machine Learning (ML) models or ML platforms. Familiarity with Kubernetes (k8s) and container technologies. ...

Front End React Developer, React, JavaScript, NW London to £80K A leading financial software company are looking for a great JavaScript developer who is proficient with React js. Your primary focus will be on developing user interface components and implementing them following well-known React js workflows, specifically Redux … sprint rituals What you’ll need 6+ years experience developing large-scale web applications Experience working in an agile environment Strong experience with React, Redux, Typescript Experience with Redux Toolkit, Material UI, Material UI theming Extensive experience using build tools (VITE, Next.js, webpack etc) Extensive experience using linting tools (eslint ...

Mentor and level-up others: Coach senior/leads and set strong bar for engineering excellence. R&D: Stay at the forefront of the React/React Native ecosystem, evaluating new technologies, industry practises and guide the engineering delivery teams with adoption. About You 10+ years of experience with … Front End/Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well ...

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 ...

scale-up experience (ideally in fast-growth environments) Role 1: AI Engineer Expert-level Python with exposure to frontend technologies (TypeScript/React preferred) Hands-on experience with LLMs, prompt engineering, and evaluation frameworks Ability to ship AI-powered features end-to-end Minimum 3 years of experience Role ...

Principal: 140-160k Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 35 Engineers We're working with a B2B SaaS startup company based in London, an AI procurement platform - reduces ...

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 ...

whilst promoting excellent coding practices throughout the team Tech stack: Java 11-17, Springboot PostgreSQL/Kafka AWS/Kubernetes/Terraform Typescript/React Benefits: 10% bonus Life assurance 25 days annual leave (option to buy 5 extra) Flexible/hybrid working Work from anywhere up to 4 weeks ...

shape recommendations covering platform architecture, technology choices, and vendor selection. Skills & Experience Background working with PHP or WordPress Strong experience working with React Experience working with Javascript Comfortable acting as the primary technical owner Senior Full Stack Developer ...

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 ...

edge cases High attention to detail and strong visual and interaction design instincts Front-End & Technical Skills (Required) Extensive hands-on experience with React.js, Next.js, and TypeScript Strong proficiency in HTML5, CSS3 , and modern responsive design Experience implementing UX designs directly in code with a high level of fidelity Experience ...

years of software development experience with a MUST in the Shopify platform. Advanced proficiency in Shopify Liquid and modern JavaScript patterns Experience with Typescript, React, Tailwind, and CSS3. Experienced in NodeJS, RESTful APIs, and general data transfer approaches. Practical knowledge of Jenkins CI/CD, Playwright, Git, and TDD. London ...

years of software development experience with a MUST in the Shopify platform. Advanced proficiency in Shopify Liquid and modern JavaScript patterns Experience with Typescript, React, Tailwind, and CSS3. Experienced in NodeJS, RESTful APIs, and general data transfer approaches. Practical knowledge of Jenkins CI/CD, Playwright, Git, and TDD. London ...

mindset 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 ...

high-performing teams Experience delivering enterprise-grade SaaS applications in a high-growth B2B environment Strong technical depth across: Backend: Node js, Typescript Frontend: React, Typescript Database: MySQL Cloud/Infra: AWS, ECS, K8s, Airflow, Kafka, Serverless Solid understanding of SaaS fundamentals: onboarding, authentication, SSO, granular authorisation, multi-tenancy Familiarity ...

high-performing teams Experience delivering enterprise-grade SaaS applications in a high-growth B2B environment Strong technical depth across: Backend: Node js, Typescript Frontend: React, Typescript Database: MySQL Cloud/Infra: AWS, ECS, K8s, Airflow, Kafka, Serverless Solid understanding of SaaS fundamentals: onboarding, authentication, SSO, granular authorisation, multi-tenancy Familiarity ...

value (Preferred) Experience with Python for data processing or automation (Preferred) Strong knowledge of API integration. (Preferred) Hands-on experience with modern frontend frameworks (React, Next.js, Typescript, etc) (Preferred) Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration Familiarity with airline or logistics data domains ...