526 to 550 of 999 React Jobs in London

system performance directly impact core business metrics, user tracking, and conversion rates.Dog-Centric: Completely obsessed with dogs!Nice to Haves:Frontend Agility: Experience with React and TypeScript (if you want to flexibly pitch in on our digital onboarding stack alongside our frontend experts).Tracking & Analytics Tools: Experience with or exposure ...

ability to decompose complex use cases and architect solutions than rote memorising of coding syntaxFluency in core languages (Python, SQL, TypeScript and/or REACT) and the capability to pick up others quickly. You should understand data engineering principles, ETL pipelines, and application developmentFamiliarity with Palantir (Foundry, Gotham, or similar ...

have a fully aligned Tech stack across the web ecosystem with a collection of team-owned mono-repos - all powered by an internal React Design system which allows us to deliver at scale. You’ll have plenty to learn and will join a friendly and collaborative group of talented engineers … qualifications, capabilities and skills:Proven track record of building and maintaining customer-centric web applications/SPAs.Excellent verbal and written communication skills.Strong proficiency in React and its core principles. Solid grasp of Web fundamentals: HTML5 (Semantics & Structure)CSS (Responsive Design, Specificity)JavaScript ES6General Networking (HTTP, IP & DNS, Caching)Proficient with ...

products from concept through to production. Develop prototypes, proof of concepts and MVPs to validate new product ideas. Build intuitive, responsive frontend applications using React and TypeScript . Partner closely with UX/UI Designers to translate user journeys, wireframes and prototypes into polished, user-centric applications. Contribute to product … product thinking are encouraged. You'll ideally have: 7+ years' commercial software engineering experience. Strong experience building products from scratch. Excellent knowledge of React , TypeScript and Node.js . Experience collaborating with UX/UI Designers and implementing pixel-perfect, responsive interfaces. A strong appreciation of user experience (UX) and user ...

lead the successful delivery of high-quality software products. The ideal candidate should possess strong full-stack development expertise with Python, SQL, AWS & React JS, along with hands-on experience in cloud platforms, DevOps practices, modern software architecture, and mentoring engineering teams. The role requires a highly self-driven individual … availability, reliability, observability, and security; Drive API-first architecture and reusable component design. Software Development Lead full-stack application development using: Python, SQL, AWS, React JS; Contribute to complex software development activities where required; Review code and ensure adherence to engineering standards; Resolve complex technical challenges across frontend, backend, databases ...

existing applications are built on a highly scalable microservices architecture deployed on a cloud-hosted containerized environment. Key technologies in our stack include C#, React/Angular, Typescript, FastAPI, Python, Terraform, SQL, AWS ECS, AWS Lambda, AWS DynamoDB , AWS SNS/SQS, CI/CD tooling (e.g., Gitlab Runners … prior endeavors. In addition, the successful candidate should have:3+ years of proven software development experience in relevant industry, with proficiency in C#, JavaScript (React and/or Angular), Typescript, databases (relational and/or NoSQL), and cloud technologies, preferably AWS.Experience with RESTful API design, development, and scalable microservice architecturesAbility ...

existing applications are built on a highly scalable microservices architecture deployed on a cloud-hosted containerized environment. Key technologies in our stack include C#, React/Angular, Typescript, FastAPI, Python, Terraform, SQL, AWS ECS, AWS Lambda, AWS DynamoDB , AWS SNS/SQS, CI/CD tooling (e.g., Gitlab Runners … prior endeavors. In addition, the successful candidate should have:* 3+ years of proven software development experience in relevant industry, with proficiency in C#, JavaScript (React and/or Angular), Typescript, databases (relational and/or NoSQL), and cloud technologies, preferably AWS.* Experience with RESTful API design, development, and scalable microservice ...

insights to the team, and design APIs that power our testing infrastructure. You'll be equally comfortable writing SQL queries as you are building React components. Own your features end to end. You'll take responsibility from conception to production. That means understanding the problem we're trying to solve … whether that's building data pipelines, designing analytics systems, or creating data-driven products Experience building user-facing features with modern frontend frameworks like React, Vue, or Angular Strong SQL skills and experience with relational databases like Postgres Experience building backend services and APIs that handle data at scale Comfort ...

flat-structure team. You will collaborate with cross-functional teams, write clean, testable JavaScript/TypeScript code, mentor juniors, and stay current with React, React Native, REST/GraphQL. This hybrid London role offers global impact. #J-18808-Ljbffr ...

Full Stack Developer (Node/React) Are you a pragmatic, innovative, and self-motivated problem solver with a passion for building scalable, high-performing software? We're looking for a Full Stack Engineer, with skills working in Node and React, to join a high-performing product team working … that drive growth and enhance the customer experience. What You'll Do Build and maintain robust, scalable applications across the full stack (Node/React/TypeScript) Collaborate in an agile team environment to deliver clean, maintainable, and testable code Influence architectural decisions and technology choices Optimise Front ...

Lead/Principal Full stack Developer React AI Engineer Location: London (Hybrid - 3-4 days per week) Salary: £120,000 - £1600,000 + Equity + Excellent Benefits Job Type: Permanent Build the Next Generation of AI Products We're partnering with an innovative, fast-growing technology company that's redefining … powered products are built and delivered. This is an exciting opportunity for a Lead/Principal React AI Engineer to join a high-calibre engineering team developing cutting-edge AI applications used by customers globally. You'll play a pivotal role in building intuitive user experiences while integrating the latest ...

Senior Full Stack Engineer (Java & React)Location: London, United Kingdom or Glasgow, Scotland (Hybrid)Help Build the Future of global STEM workforce solutionsWe're reimagining how organisations connect talent, technology, and opportunity.Our team is building the next-generation AI digital platform, automation, cloud-native architecture, and modern engineering practices. This … Minimum Qualifications7+ years of professional software engineering experienceStrong experience developing enterprise applications using Java 11+ and related technologiesExtensive experience building modern web applications with React, TypeScript, JavaScript, HTML, and CSSExperience designing, building, and consuming RESTful APIs and distributed servicesStrong understanding of software engineering fundamentals, including data structures, design patterns ...

products, with AI providing an interesting technical environment to work within. What we're looking for; 5+ years' commercial software development experience 3+ years' React experience Strong backend development with Node.js and/or Python Experience owning features from requirements through to production Good DevOps and CI/CD knowledge … join a small, highly technical team building creative AI products and take genuine ownership across the stack. You'll work on everything from React interfaces and backend services through to third-party AI integrations, deployment and production. Salary: £70,000 to £75,000 Location: Oxford or London, hybrid with approximately ...

contribute to engineering best practices.SkillsMust have7+ years of Java development experience.2+ years of commercial Kotlin development experience.2+ years of frontend development experience with React and/or Angular.Strong JavaScript, TypeScript, HTML, and CSS skills.Proven experience designing and developing event-driven distributed systems.Hands-on experience with messaging patterns, event processing, resiliency … exposure (EMIR, MiFID, 871(m)).Experience integrating with risk, valuation, and reporting platforms.GitHub Copilot, Devin, or other AI-assisted development tools.Exposure to frontend technologies (React, Angular) for cross-functional collaboration.OtherLanguagesEnglish: B2 Upper IntermediateSenioritySeniorLondon, United Kingdom of Great Britain and Northern IrelandReq. VR-124847Java Full StackBCM Industry03/09/2026Req. ...

practices. SKILLS Must have - 7+ years of Java development experience.- 2+ years of commercial Kotlin development experience.- 2+ years of frontend development experience with React and/or Angular.- Strong JavaScript, TypeScript, HTML, and CSS skills.- Proven experience designing and developing event-driven distributed systems.- Hands-on experience with messaging … .- Experience integrating with risk, valuation, and reporting platforms.- GitHub Copilot, Devin, or other AI-assisted development tools.- Exposure to frontend technologies (React, Angular) for cross-functional collaboration. #J-18808-Ljbffr ...

Front End React Developer, React, Javascript, NW London to £75K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them … following well-known React.js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design ...

growing nationally. It's a great time to join us. About the role You'd join our Software team. Supporting a react-native multi platform customer mobile app, an react-native android app used by our operations teams, an automated tasking engine, python backend microservices deployed on Kubernetes … genuine depth in one area; mobile, backend or frontend, plus enough range to work confidently across the others. Our technology stack consists of: React Native mobile applications React web applications GraphQL layer using Apollo Server and Apollo Client Python services running Flask and FastAPI Kubernetes based microservice architecture running ...

experiences. You will own end-to-end development, shaping architecture and SDLC practices while mentoring peers across the engineering team. You'll work with React, React Native, Expo, TypeScript/JavaScript, and modern testing tools to build scalable solutions for the Chase UK platform, delivering robust features with a strong ...

platform and ensuring they extract maximum value. You will combine frontend/backend development with AI/ML tuning, build features using React/TypeScript/Node.js/Python, and manage integrations with enterprise systems while collaborating with Product, Eng, and Customer Success. In this role you will drive onboarding ...

platform, delivering high-quality development across frontend and backend systems while mentoring teammates and driving continuous improvement. You will work across Next.js/React-based frontends and Node.js/Express backends, designing robust APIs, with a focus on performance, security, and scalable architectures. #J-18808-Ljbffr ...

Ness Digital Engineering is seeking an experienced Senior Technical Lead/Solution Architect in Dublin with strong Python, AWS, React JS, and full-stack expertise. You will architect scalable, cloud-native solutions and lead delivery of high-quality software while mentoring engineering teams. You’ll collaborate with product owners, stakeholders ...

lead the design and delivery of enterprise-grade software solutions. The role requires 8+ years of experience and deep expertise in Python, TypeScript/React, and cloud-native architectures. You will mentor engineers, define software architecture, and ensure best practices in AI software delivery. This hybrid position requires in-office ...

features used daily by Ops teams at scale. Ideal candidates have strong Python web experience (FastAPI/Django/Flask), JS/TS with React, and interest in Generative AI. Hybrid work model with in-office collaboration and growth in a fintech unicorn. #J-18808-Ljbffr ...

Humaans is seeking a frontend engineer to help shape the product from concept to release. You will write frontend TypeScript in React, build end-to-end features, fix bugs, and expand our integration marketplace while shaping the technical architecture. You’ll collaborate closely with product teams and designers, contributing ...

Solutions is seeking a Senior Software Engineer I (JavaScript) to join a cross‐functional team in London. You will build modern web applications using React and Node.js, shaping AI-assisted development workflows to speed delivery while maintaining quality and performance. You will collaborate with UX/UI designers, product managers ...