1 to 25 of 69 Front-End Engineer (Client-Side Engineer) Jobs in London

fostering a culture of openness and doing the right thing. Both for people and the planet. About the role As a Senior Front-End Engineer at Beams, you'll leverage your expertise in modern front-end frameworks and … and visually compelling user interfaces. Working closely with product managers, designers, and other cross-functional team members, you'll ensure that our front-end solutions align with user needs and product goals, while also setting the technical direction for our front-end … of the team, you'll provide mentorship to mid-level engineers, sharing insights on design patterns, optimizing code, and ensuring adherence to front-end standards. Your proactive approach to problem-solving and your ability to lead technical discussions will help guide the team through complex challenges More ❯

End Engineer, you’ll be responsible for designing and executing the complete rebuild of our front-end application. You’ll work closely with product, design, and back-end engineering teams to deliver a seamless, performant, and scalable … user experience. You’ll also play a critical role in shaping our design system, driving front-end best practices, and mentoring the wider engineering team. This is a hands-on leadership role—one where you’ll write code, make architectural decisions, and guide the front-end direction of the company. Core Responsibilities Owning the architecture and implementation of the new front-end application. Building a high-performance, scalable, and maintainable React + Redux application. Designing and documenting a reusable, accessible, and elegant design system in collaboration with More ❯

End Engineer, you’ll be responsible for designing and executing the complete rebuild of our front-end application. You’ll work closely with product, design, and back-end engineering teams to deliver a seamless, performant, and scalable … user experience. You’ll also play a critical role in shaping our design system, driving front-end best practices, and mentoring the wider engineering team. This is a hands-on leadership role—one where you’ll write code, make architectural decisions, and guide the front-end direction of the company. Core Responsibilities Owning the architecture and implementation of the new front-end application. Building a high-performance, scalable, and maintainable React + Redux application. Designing and documenting a reusable, accessible, and elegant design system in collaboration with More ❯

Elite electronic quantitative finance fintech business seek a Front End React/TypeScript software expert to join their growing team. Our client is a top end and leading global trading/investment More ❯

Elite electronic quantitative finance fintech business seek a Front End React/TypeScript software expert to join their growing team. Our client is a top end and leading global trading/investment More ❯

team. This represents one of the five largest Series A rounds in Europe for 2024! The Role We're hiring a Staff Front-end Engineer to help build our platform, sites and AI products. Reporting to engineering leadership, you'll be a … modern technologies with a highly technical team Resolving technical issues and making critical decisions that affect our apps, sites and projects Owning front-end best practices (usability, libraries, component architecture) across our sites and apps Delivering delightful usable user experiences and being user-focused in decision More ❯

Contilio is a fast-growing, AI-first SaaS scaleup based in London, UK. We have built and scaled the world's first 3D AI analytics & insights platform for the largest industry on earth, construction . Our cutting-edge software automates More ❯

Overview At Microsoft AI, our health team is on a mission to help millions of users better understand and proactively manage their health and wellbeing. We're responsible for ensuring that Microsoft AI's models and services are useful, trusted More ❯

Our Team At Trilitech, our mission is to power the Web3 revolution by building cutting-edge solutions on the Tezos blockchain. We specialise in core development, application development, and business development across three key areas: Culture, Decentralised Finance, and Gaming. More ❯

Engineering at hyperexponential Our engineering department is a melting pot of some of the brightest (and kindest!) engineers in the industry. The level of complexity of hx Renew requires a highly technical, true engineering mindset so an output of this More ❯

Engineering at hyperexponential Our engineering department is a melting pot of some of the brightest (and kindest!) engineers in the industry. The level of complexity of hx Renew requires a highly technical, true engineering mindset so an output of this More ❯

Job Role: Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with More ❯

Job Role: Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with More ❯

Paradigm, Variant, Consensys, and a_capital, and we're growing quickly. Role Overview As a Front-End Software Engineer at Aztec Labs , you'll be at the forefront of designing and developing intuitive, high-performance user interfaces for developers and users interacting … users interact with next-gen decentralized systems. Please note: This is a London UK based role Key Responsibilities Design, implement, and maintain front-end applications for zk-powered tools and dApps. Initial projects in the first months will be designing and developing the frontends for our … interfaces. Contribute to UI/UX discussions and drive decisions around user experience best practices. Ensure performance, security, and scalability of all front-end applications. Required Qualifications 3+ years of experience building production-grade front-end applications. A deep understanding of frontend More ❯

Get to Know our Team:The Full Stack Engineering Department builds the Agoda web and app products. We have several teams in front-end focusing on different aspects of our products including accommodations, flights, payments, marketing, post-booking services, and more. Agoda's marketplace is the … standard of excellence, strong sense of ownership, and great technical skills.The Opportunity:We are looking for key contributors to our industry leading front-end websites. You'll be working on products which have evolved tremendously over the past several years to become the global market leader.You … technical team members to build the best solution What you'll Need to Succeed: 5+ years of experience developing web applications in client-side frameworks such as React, Angular, VueJS, etc. B.S. in Computer Science or quantitative field; M.S. preferred Working experience with agile, analytics, A More ❯

performance, innovation, and value in Disney's sports, news, and entertainment content, across all media platforms. Job Summary: As a Senior Software Engineer, you will focus on engineering complex user interfaces with rich interactions.You will use your deep UI engineering and creative skills to take an … The candidate must be fluent in JavaScript and TypeScript, while also combining expertise with modern reactive JavaScript libraries, tools, and runtimes to engineer abstract, secure, reusable, and testable UI components and applications. This person should also have home-grown Design System experience, having collaborated tightly with More ❯

Senior Frontend Engineer | Typescript | React | REST APIs | Next.js | GraphQL Senior Front-End Software Engineer The Role: We’re looking for our first dedicated frontend developer to shape the direction of our product at a pivotal moment in our … We care about our people — your growth and happiness here matter Current stack: Typescript, React, Tailwind, REST, Remix, Vite, Playwright Senior Frontend Engineer | Typescript | React | REST APIs | Next.js | GraphQL More ❯

Senior Frontend Engineer | Typescript | React | REST APIs | Next.js | GraphQL Senior Front-End Software Engineer The Role: We’re looking for our first dedicated frontend developer to shape the direction of our product at a pivotal moment in our … We care about our people — your growth and happiness here matter Current stack: Typescript, React, Tailwind, REST, Remix, Vite, Playwright Senior Frontend Engineer | Typescript | React | REST APIs | Next.js | GraphQL More ❯

The Role We are seeking a Senior Frontend Engineer to join our AxessIQ Private Banking Trading team who will have an active part in building out our next generation front end. The ideal candidate is someone who has demonstrated experience architecting, building, and operating More ❯

Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. You will … and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity More ❯

Job Description Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. … and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity More ❯

Senior Frontend Engineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £125,000 plus excellent stock options Remote First – London Office for those who want it Next.js | React | Typescript | Node Are you a product-focused Senior Frontend Engineer who enjoys … autonomy and wants to build products from end-to-end? If so, read on… Senior Frontend Engineer – We have been exclusively engaged by one of the most exciting tech start-ups in the UK, who are looking for Senior Frontend Engineers as … in building fast and iterating, working closely with product and customers, to evolve their cutting-edge AI solutions. What is Senior Frontend Engineer for them? The Senior Frontend Engineer will have experience of building complex solutions in product-driven companies with good More ❯

Senior Frontend Engineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £125,000 plus excellent stock options Remote First – London Office for those who want it Next.js | React | Typescript | Node Are you a product-focused Senior Frontend Engineer who enjoys … autonomy and wants to build products from end-to-end? If so, read on… Senior Frontend Engineer – We have been exclusively engaged by one of the most exciting tech start-ups in the UK, who are looking for Senior Frontend Engineers as … in building fast and iterating, working closely with product and customers, to evolve their cutting-edge AI solutions. What is Senior Frontend Engineer for them? The Senior Frontend Engineer will have experience of building complex solutions in product-driven companies with good More ❯

Matta is building AI copilots for advanced manufacturing. Their AI models detect defects, optimize processes, and evaluate equipment health, empowering manufacturers with automation and unlocking new capabilities for machine makers. Their approach involves installing cameras, deploying AI models in 24 More ❯

well as a fascinating immersion into the world of FinTech and Islamic finance. Job Brief: We are looking for a Senior Frontend Engineer to join our Core development team. As a team member, you will play a role in building, maintaining, designing, and implementing new and … mobile engineers on the team. Find elegant solutions to usability problems. Build pixel-perfect, buttery smooth UIs across all our frontend platforms. Engineer new features that can work seamlessly across all of maintained web and mobile applications. Leverage APIs for integrations with other platforms. Job Specification More ❯