276 to 300 of 2,498 React Jobs in London

Senior Full Stack Software Developer Tech : AWS Lambda, React with Next.js, TypeScript, Node.js, and Terraform Why? start-up financial services, revolutionising the industry Location : Hybrid - 2-3 days in the office (London) Salary : £80k - £95k + benefits Our Client A new UK-based financial services provider is launching a credit card offering aimed at delivering fair, flexible, and user-friendly … product vision. Actively participate in product planning meetings and provide technical input to guide the team's priorities. Design, develop, and maintain full-stack applications using Node.js, AWS Lambda, React with Next.js, TypeScript, and Terraform. Write clean, efficient, and well-tested code that adheres to best practices and coding standards. Ensure code quality, organisation, and automatisation. Deploy applications using CI … a strong portfolio of projects Experience in a start-up or scale-up environment where priorities change quickly Expertise in Node.js and AWS Lambda for serverlessbackend services Proficiency in React with Next.js for frontend development Proficiency in TypeScript and experience with infrastructure as code using Terraform Excellent problem-solving skills and attention to detail Knowledge of Agile methodologies and experience More ❯

Lead Frontend Engineer – Credit Trading, Investment Banking, Agile, UI, React, TypeScript, JavaScript – Permanent, Hybrid, up to £125,000 base Our client, a leading global financial institution, is seeking a highly skilled Lead Frontend Engineer to join its Credit Technology team in London. This role will be responsible for leading critical UI initiatives within a global technology team, driving development projects … Flow business. • Contribute to strategic UI architecture development and infrastructure improvements. • Ensure the trading platform adheres to security and compliance standards. Key Skills & Experience: • Strong proficiency in TypeScript, JavaScript, React, HTML/CSS, Node.js. • Familiarity with backend technologies such as Java 8, Vert.x, Linux. • JIRA, Confluence, Git, NPM, Yarn, Webpack, TeamCity/Jenkins, Artifactory. • Demonstrable experience running a development team. More ❯

quality software solutions Build and maintain scalable C#/.NET 8.0 applications and APIs Champion best coding practices, including SOLID principles Work with modern front-end technologies ( JavaScript, TypeScript, React, Angular ) Configure workflows and collaborate with stakeholders Conduct code reviews and uphold development standards Support and mentor junior developers Tech Stack: C#/ASP.NET Core/.NET 8.0 Microsoft SQL … Server JavaScript, TypeScript, HTML, CSS Front End Frameworks (React/Angular) Git, Entity Framework SOLID programming principles & design patterns Benefits: 26 days holiday (ability to purchase additional days) Financial wellbeing benefits Access to countless on-demand courses Health & wellbeing perks If you’re a Senior Software Engineer looking for an exciting new opportunity in a dynamic and innovative environment, apply More ❯

provides a comprehensive suite of event planning, visualisation, and management tools, combining the best features canvas and mapping technology. Key Responsibilities: Develop full‐stack features using Python (Django) and React, building on, maintaining and scaling our frontend and backend applications. API & service development : design, implement, and maintain REST APIs; ensure robust integrations and clear documentation. Test-first development : practise Test … profile: 5+ years in full‐stack software engineering roles with Python & React. Strong knowledge and hands-on Python and Django for REST API development. Strong knowledge and hands-on React development, excellent understanding of Zustand, Vitest, React testing library and Playwright, responsive UI best practices. Experience working with geospatial data and/or canvas/WebGL tools. Excellent understanding and … United Kingdom 1 week ago London, England, United Kingdom 1 month ago Software Engineer (Python) - AI Platform United Kingdom $75,000.00-$100,000.00 1 month ago Frontend software engineer (React) - Europe Remote Birmingham, England, United Kingdom $35,000.00-$40,000.00 3 weeks ago London, England, United Kingdom 1 week ago Frontend software engineer (React) - Europe Remote Frontend software engineer (React More ❯

payments, quoting, invoicing, booking, search/scoring algorithms, ETL, data pipelines, in-app messaging, real-time notifications and fraud prevention. Our frontend engineers mostly work with TypeScript, JavaScript (ES2022), React, React Query, React Router, MaterialUI, GitHub actions, on an increasingly more service-oriented architecture. The rest of the tech stack include Django REST Framework, PostgreSQL, AWS, Kubernetes, Docker, Redis, Celery … end-user manuals Identify, evaluate and communicate front-end best practices. Skills Expert level knowledge of TypeScript or JavaScript (ES6), and most common Styling libraries. Strong grasp of the React Framework, relative patterns and best practices. Good understanding of UI/UX best practices and considerations. Understanding of front-end observability with tools like Sentry, LogRocket, Datadog, or New Relic. … with ability to articulate technical concepts in plain English. Capable of coaching junior and mid-level developers through code reviews and pair programming. Experience and Qualifications 5+ year commercial React and Typescript experience Benefits As you can see, we are quickly progressing with our ambitious plans and are eager to grow our team of doers to achieve our vision of More ❯

and manage serverless Azure Functions to implement custom business logic, data processing, and API endpoints. Front-End Development: Build responsive and accessible user interfaces using modern JavaScript frameworks like React, Angular, incorporating the Fluent UI design system for a consistent and polished user experience. Ensure seamless interaction with Power Platform components and .NET Core applications. .NET Core Development: Develop and … other DevOps tools. Requirements Programming : C#, JavaScript, TypeScript, PowerShell Microsoft Technologies: SPFX Webparts, Power Apps, Power Automate, Power BI, Azure Functions, Azure App Service, .NET Core Front-End Frameworks: React, Angular UI Framework: Experience with Fluent UI (or similar component library) Database Management: SQL Server, Azure Cosmos DB Cloud Architecture: Understanding of cloud concepts, Azure services, and best practices API More ❯

The core responsibilities for the job include the following: Frontend Development Responsibilities: Develop, test, and maintain responsive and user-friendly web interfaces using modern JavaScript frameworks such as React, Svelte, and Angular. Collaborate with designers to translate UI/UX wireframes into high-quality, maintainable code. Optimize web applications for performance, scalability, and cross-browser compatibility. Build reusable components and … end development best practices. Requirements: Proven experience: 5+ years in front-end development with expertise in JavaScript/TypeScript, HTML5 and CSS3 Hands-on experience with frameworks such as React, Angular, and Svelte. Proficiency in UI testing frameworks like Playwright or similar tools. Strong understanding of responsive and adaptive design principles. Experience with version control systems like Git and CI More ❯

and scalable generative AI services using Python and open source frameworks such as Writer Agent Builder, LangChain, and n8n. Implement responsive and user-friendly frontend interfaces, leveraging technologies like React, TypeScript, and modern web frameworks. Work with cloud platforms such as AWS, GCP, or Azure to deploy and scale applications. Develop and integrate high-performance, low-latency APIs for AI … and scalable generative AI services using Python and open source frameworks such as Writer Agent Builder, LangChain, and n8n. Implement responsive and user-friendly frontend interfaces, leveraging technologies like React, TypeScript, and modern web frameworks. Work with cloud platforms such as AWS, GCP, or Azure to deploy and scale applications. Develop and integrate high-performance, low-latency APIs for AI … in collaborative environments, working closely with cross-functional teams to build impactful features. Proven ability to help teams adopt technical best practices. Bonus: Experience with frontend technologies such as React and TypeScript. If you have built devtools, AI agents, or contributed to open source, please share them! Note: 5 years experience is minimum experience, but we are open to seniority More ❯

Job Description Are you a React developer seeking an exciting opportunity to contribute to the development of JP Morgan's Salt Design system? Are you looking to be part of a collaborative team that values Open Source, leads the way in CIB UI strategy, and is actively building a design system while fostering a collaborative community around its products? The … components and guidelines are designed to accelerate application design and development, while ensuring consistency and accessibility (WCAG 2.1) through stable design foundations. Job responsibilities Develop and maintain high-quality React components for the Salt Design System. Collaborate with designers to implement UI designs and ensure consistency across our digital products. Work closely with product managers and other developers to understand … actively contribute to the improvement of our development processes and tools. Adds to team culture of diversity, equity, inclusion, and respect Required qualifications, capabilities, and skills Existing proficiency in React, Typescript and JavaScript. Solid understanding of HTML, CSS, and responsive web design. Familiarity with modern front-end development tools and libraries (e.g. esbuild, rollup, vite). Knowledge of version control More ❯

Street empowers investors, lenders, banks, and industry stakeholders across the U.S., Canada, Europe and Asia to make optimized investment and strategic decisions. To learn more, please visit www.greenstreet.com. About React News Our mission is to drive real estate action via market-leading news, insightful analysis and comprehensive content in every sector in real estate. React News delivers the best coverage … continental Europe – day in, day out. Run by the UK’s most experienced journalists, with a proven track-record of breaking the biggest real estate stories in the market, React News is the only place to find crucial, business-sensitive information before the competition. Packed with breaking news, features, interviews and exclusive analysis, React News’ 2-4 daily email alerts More ❯

Job Description Apply below after reading through all the details and supporting information regarding this job opportunity. Are you a React developer seeking an exciting opportunity to contribute to the development of JP Morgan's Salt Design system? Are you looking to be part of a collaborative team that values Open Source, leads the way in CIB UI strategy, and … components and guidelines are designed to accelerate application design and development, while ensuring consistency and accessibility (WCAG 2.1) through stable design foundations. Job responsibilities Develop and maintain high-quality React components for the Salt Design System. Collaborate with designers to implement UI designs and ensure consistency across our digital products. Work closely with product managers and other developers to understand … actively contribute to the improvement of our development processes and tools. Adds to team culture of diversity, equity, inclusion, and respect Required qualifications, capabilities, and skills Existing proficiency in React, Typescript and JavaScript. Solid understanding of HTML, CSS, and responsive web design. Familiarity with modern front-end development tools and libraries (e.g. esbuild, rollup, vite). Knowledge of version control More ❯

and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. Implement Full Stack JavaScript (Node.js, React.js, Express, TypeScript, Next.js, etc.) applications to support AI-driven interfaces. Work closely with data scientists and ML engineers to integrate machine learning models into cloud-native applications. Ensure security, scalability … with a focus on AI, APIs, and cloud technologies. Strong hands-on experience with AWS services related to AI/ML and serverless computing. Proficiency in JavaScript, TypeScript, Node.js, React.js, and Express.js for building full-stack applications. Experience with AI/ML frameworks such as TensorFlow, PyTorch, OpenAI API, or LangChain. Knowledge of microservices architecture, containerization (Docker, Kubernetes), and event More ❯

Stack C#/.NET Core/ASP.NET RESTful APIs/Microservices SQL Server, Entity Framework Azure (App Services, Functions, DevOps) CI/CD: Azure DevOps or GitHub Actions Optional: React, Vue (frontend exposure) What You'll Be Doing Leading the design and development of scalable backend services and APIs Collaborating with product, DevOps, and frontend teams on new features and … thinking London-based or able to commute in once per week Nice to Have Experience with payment, order, or inventory systems Exposure to containerisation (Docker, Kubernetes) Some frontend knowledge (React, Vue, or Blazor) Previous experience in a scale-up or rapid-growth tech environment What’s on Offer Salary: £75,000 – £90,000 Equity/stock options Flexible hybrid working More ❯

Stack C#/.NET Core/ASP.NET RESTful APIs/Microservices SQL Server, Entity Framework Azure (App Services, Functions, DevOps) CI/CD: Azure DevOps or GitHub Actions Optional: React, Vue (frontend exposure) What You'll Be Doing Leading the design and development of scalable backend services and APIs Collaborating with product, DevOps, and frontend teams on new features and … thinking London-based or able to commute in once per week Nice to Have Experience with payment, order, or inventory systems Exposure to containerisation (Docker, Kubernetes) Some frontend knowledge (React, Vue, or Blazor) Previous experience in a scale-up or rapid-growth tech environment What’s on Offer Salary: £75,000 – £90,000 Equity/stock options Flexible hybrid working More ❯

of the future from scratch, channelling our start-up mentality every step of the way - meaning you'll have the opportunity to make a real impact. Are you a React developer seeking an exciting opportunity to contribute to the development of JP Morgan's Salt Design system? Are you looking to be part of a collaborative team that values Open … components and guidelines are designed to accelerate application design and development, while ensuring consistency and accessibility (WCAG 2.1) through stable design foundations. Job responsibilities Develop and maintain high-quality React components for the Salt Design System. Collaborate with designers to implement UI designs and ensure consistency across our digital products. Work closely with product managers and other developers to understand … actively contribute to the improvement of our development processes and tools. Add to team culture of diversity, equity, inclusion, and respect. Required qualifications, capabilities, and skills Existing proficiency in React, Typescript and JavaScript. Solid understanding of HTML, CSS, and responsive web design. Familiarity with modern front-end development tools and libraries (e.g. esbuild, rollup, vite). Knowledge of version control More ❯

in conferences and meet-ups, share knowledge with colleagues, and continuously learn from one another What You Bring To The Table Core Web Technologies: HTML, CSS, JavaScript Frameworks & Libraries: React, TypeScript, and state management (Recoil, Redux, MobX) Performance Optimisation: Code splitting, lazy loading, and React performance tools APIs & Data Handling: REST, Long Polling, WebSocket, GraphQL, caching strategies, and data-heavy … London, England, United Kingdom 1 week ago London, England, United Kingdom £30,000 - £40,000 1 month ago London, England, United Kingdom 1 week ago Software Engineer (Typescript, Node.js, React) London, England, United Kingdom 1 month ago London, England, United Kingdom 2 years ago London, England, United Kingdom 1 week ago We’re unlocking community knowledge in a new way. More ❯

and are looking for ways to implement Machine Learning and improving DevOps in their process to further add value to their Authors. Their overall technology stack includes: Django, Flask, React, MongoDB, PostgreSQL, SQLserver, Docker and is currently being hosted in Azure. They've recently introduced Terraform and will also be moving their containerization to Kubernetes. On the frontend, they're … databases. Knowledge of git and branch management. Excellent written and spoken communication skills. Fun to work with, great teamwork and collaboration skills. Desirable (not essential!): Technical Writing TypeScript and React DevOps (particularly managed infrastructure on Azure, CI/CD, IaaS) This role is looking to have someone based out of their London office for two days per week. If you More ❯

our Technology & Engineering team at ECA International. This is a hands-on role ideal for a self-starter who is passionate about building responsive, user-centric web applications using React, Remix, TypeScript/JavaScript, CSS, and Tailwind. The successful candidate will be responsible for designing and implementing front-end solutions that integrate seamlessly with back-end services, ensuring a scalable … practices, and embrace the use of AI to drive innovation and productivity throughout the software development lifecycle. Requirements Key Responsibilities: Front-End Development : Build responsive, accessible web applications using React, Remix, TypeScript/JavaScript, Tailwind CSS, and other modern front-end technologies. UI Leadership : Lead on UI/UX implementation, defining and maintaining high standards for design and usability. Project … in Computer Science or a related field – or equivalent practical experience. Minimum of 5 years’ experience in a front-end development role. Essential Experience Extensive hands-on experience with React, Remix, TypeScript/JavaScript, CSS, and Tailwind. Experience integrating front-end components with back-end services. Strong knowledge of modern front-end tooling and development best practices. Proven ability to More ❯

modernisation and continuous improvement take place. The Credit application works within a low latency enterprise event driven architecture hosted on the AWS cloud with a Microsoft C# .Net backend, React front end and Java components. Whilst there is scope to shape this role, it is expected to be hands-on coding, design and architecture as well as providing leadership and … Control principles Experience/Competences Proven experience as a senior/principal engineer in high-performance trading systems or similar domains. Strong proficiency in Java, C#, and/or React with a deep understanding of system architecture and distributed systems. Experience with low-latency, high-throughput messaging systems (e.g., Kafka, RabbitMQ, or proprietary systems). Expertise in cloud technologies and More ❯

and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. Implement Full Stack JavaScript (Node.js, React.js, Express, TypeScript, Next.js, etc.) applications to support AI-driven interfaces. Work closely with data scientists and ML engineers to integrate machine learning models into cloud-native applications. Ensure security, scalability … with a focus on AI, APIs, and cloud technologies. Strong hands-on experience with AWS services related to AI/ML and serverless computing. Proficiency in JavaScript, TypeScript, Node.js, React.js, and Express.js for building full-stack applications. Experience with AI/ML frameworks such as TensorFlow, PyTorch, OpenAI API, or LangChain. Knowledge of microservices architecture, containerization (Docker, Kubernetes), and event More ❯

to microservices, upskilling colleagues and customers, always finding themselves learning from others, while constantly striving to be nice humans Our teams have used Java, Scala, Ruby, Python, ES6 with React, as well as C# with .NET Core. We don’t limit ourselves as a company and we expect all our Engineers to be keen on learning new technologies. Automation is … the time Writing code with test-driven development Component-based design techniques such as using pattern libraries, styled-components, CSS-in-JS, BEM, and/or SUIT CSS The React ecosystem including a test-driven approach Infrastructure as code technology like Terraform and Cloud Formation Familiarity with architectural and design patterns Use of architectural decision records #J-18808-Ljbffr More ❯

over complex ones. Enjoy working with a diverse group of people with different areas of expertise. You are comfortably organized amongst chaos. Be familiar with our tech stack: TypeScript, React, styled-component Python PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytes AWS, GCP Kubernetes, Docker, Terraform, GitHub, CircleCI Next.js (Preferred) AR/VR (Preferred) Embrace differences and know that More ❯

leading technical initiatives and contributing to architectural decisions Extensive experience working across the full stack, including frontend, backend, and the data layer Deep proficiency with modern frontend technologies, including React and TypeScript. Experience with Svelte would be preferable Proven track record building and optimising performant, accessible, and responsive web applications Extensive Object-Oriented programming experience (.NET and C# would be … practices and creating great user experiences Strong knowledge of modern build tools, frameworks, and deployment processes Extensive experience with testing frameworks for both frontend and backend (Jest/Vitest, React Testing Library, Cypress, xUnit, or similar) Significant familiarity with CI/CD pipelines and cloud-based deployment (experience with Azure would be advantageous) Experience with containerisation and orchestration technologies like More ❯

Get a firsthand experience and be part of the growth journey of Atominvest. We are looking for candidates with 4-7 years+ of substantial experience in our tech stack (ReactJS, NodeJS, MongoDB, AWS). About Us Our software powers leading private equity, venture capital, real estate, infrastructure and hedge funds enabling them to efficiently manage and drive value across their … to be doing, we can’t wait to hear from you. Requirements The must-haves: 4-7 years+ experience in web development and deep proficiency across the following technologies ReactJS NodeJS AWS MongoDB HTML, CSS/LESS/SASS Git/CICD A passion for maintainable, readable, stable, secure, and scalable code Track record of shipping high quality SaaS products More ❯

moving team building secure, scalable systems for advanced drone data applications. Key Responsibilities: Develop and maintain scalable backend services and APIs (Python, C++, Go). Build responsive frontend interfaces (React, Angular, or Vue). Deploy and optimise ML pipelines (TensorFlow, PyTorch). Design and manage cloud infrastructure (AWS, Azure, GCP). Collaborate across teams to deliver secure, performant software. Requirements More ❯