1 to 25 of 60 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 ❯

Description Front-End Engineer Location: Farnborough, UK (Hybrid Working Policy) Clearance: High level of security clearance - (SC/DV -Developed Vetting) UNLEASH YOUR POTENTIAL Everything we do is built on a commitment to do the right thing for our customers, our people … operate. Because of a key strategic development and a new exciting business opportunity, we have a requirement for a security-cleared Software Engineer based in the UK working at our Farnborough site and remotely. Leidos has more than 30 years' experience of developing and running some … of DevOps tooling including Ansible, Jenkins and other pipeline technologies Good knowledge & experience with development in, and software engineering best practices for Front-end web technologies such as: HTML CSS React Node.js Django Python SQL Good experience of containerization concepts and tools such as Docker and 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 ❯

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 ❯

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 ❯

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 ❯

Senior Fullstack Engineer (Frontend focused) Location: London Ebury is a leading global fintech company that empowers businesses to trade and grow internationally. It offers a comprehensive suite of products, including international payments and collections, FX risk management, trade finance, and API integrations. Founded in 2009, Ebury … over 1,700 employees and 38 offices in more than 25 countries. Role Overview: We are seeking a frontend-focused full-stack engineer to play a crucial part in our Channels Core team. In this role, you will be working on evolving our customer-facing portals More ❯

Join Our Mission to Revolutionise Healthcare Through Technology Are you a Frontend Software Engineer with a passion for making a difference? Join our dynamic Healthcare Technology team and be a part of something that truly matters. We are on a mission to transform the landscape of … clinical research applications, making healthcare more accessible and efficient for everyone. Position: Frontend Software Engineer (React JS) Salary: up to £70,000 + Benefits Location: Fully Remote (UK-based) Why Join Us? Impactful Work: Develop cutting-edge web applications that operationalise clinical research, directly contributing to More ❯

Join Our Mission to Revolutionise Healthcare Through Technology Are you a Frontend Software Engineer with a passion for making a difference? Join our dynamic Healthcare Technology team and be a part of something that truly matters. We are on a mission to transform the landscape of … clinical research applications, making healthcare more accessible and efficient for everyone. Position: Frontend Software Engineer (React JS) Salary: up to £70,000 + Bens Location: Fully Remote (UK-based) Why Join Us? Impactful Work: Develop cutting-edge web applications that operationalise clinical research, directly contributing to More ❯

an on-site position and must sit in one of our technology offices listed above Job Summary: We're seeking a Software Engineer II for the Roku Client Application Engineering Team, where you'll be part of the team that builds our Direct-to … apps, such as Disney+, Star+, ESPN and Hulu on Roku streaming devices and smart TVs. We're looking for an engineer who, ideally, has experience in BrightScript and is ready to write client apps that provide the best experiences for our viewers. … and communicate requirements and device limitations Required Education, Experience/Skills/Training: Basic Qualifications 3+ years of development experience with a client-side development stack, ideally with some BrightScript experience Experience with MVVM (Model-View-ViewModel) architecture Under the guidance of more senior engineers, candidates More ❯

About the Role Chapter 2 is working with a top creative agency to seek a Senior Frontend Engineer to help shape and scale the future of our platform. You’ll play a critical role in designing and delivering high-performance, visually stunning frontend applications that support … complex, real-time creative workflows. We’re looking for an engineer with a strong product mindset, who is passionate about great user experiences and thrives in fast-moving, collaborative environments. You'll work closely with designers, backend developers, and product managers to bring intuitive and powerful More ❯

About the Role Chapter 2 is working with a top creative agency to seek a Senior Frontend Engineer to help shape and scale the future of our platform. You’ll play a critical role in designing and delivering high-performance, visually stunning frontend applications that support … complex, real-time creative workflows. We’re looking for an engineer with a strong product mindset, who is passionate about great user experiences and thrives in fast-moving, collaborative environments. You'll work closely with designers, backend developers, and product managers to bring intuitive and powerful More ❯

Product Engineer (Frontend) | £140,000 | TypeScript | Vue/React | Hybrid (1 day a week in London) My client are a cutting-edge AI company revolutionising AI-driven automation by transforming human expertise into trustworthy AI models . Their platform enables businesses to build no … AI pioneers, their solutions power AI adoption at Fortune 500 giants such as Sony, Boston Scientific, and Genentech . As a Product Engineer (Frontend) , you'll play a key role in crafting high-fidelity, interactive web applications that bring AI to life. You'll collaborate with … etc.) If this sounds like your next challenge, click APPLY , and I (Sam Barcia) will be in touch to discuss further! Product Engineer (Frontend) | £140,000 | TypeScript | Vue/React | Hybrid (1 day a week in London More ❯

The foremost quality for this position or any position at is integrity. At least 2 years of experience working with JavaScript and client-side web applications preferred. Experience building innovative data visualizations. You thrive on learning new technologies and don't believe in one-size-fits … tools like Cursor to enhance productivity and streamline coding workflow. You have experience interacting with crypto apps. You have experience working with Front-End architecture, testing and state management solutions. You should be able to adapt easily to meet the needs of our massive growth and More ❯