101 to 125 of 307 Front-End Engineer (Client-Side Engineer) Jobs in the UK

bet365 Group is seeking a Frontend Software Developer to shape live sports experiences with sharp, scalable code. This full-time role closes on 16/09/2026 and offers a hybrid working from home ...

HOLM seeks a senior frontend designer who bridges design and engineering to ship production-ready features. You care about spacing, motion, typography, and precise wording of policy screens, and you will implement them in production ...

Gigs, Inc. is expanding its senior IC track and seeking senior engineers to join a growing platform that connects multi-carrier integrations, event-driven architectures, and cross-team collaboration. You will mentor other engineers and ...

consulting firm is seeking a front-end developer for their Issuemaster real-time web application in Greater London. The ideal candidate will have at least 4 years of experience with Angular, 3 years with Typescript, and expertise in real-time web application development. Responsibilities include developing ...

looking for an experienced and motivated Frontend Engineer who possesses strong technical skills and a positive approach to their work. This role shares responsibility with building main user interfaces across our HELIX product suite. You will participate in the design process by engaging with … regular interaction with the teams. What you will do As a member of the Engineering team, reporting to the Senior Frontend Engineer, your key responsibilities would be: Development and testing of our frontend software according to best practices Collaborating with our team’s backend engineers ...

Starrycare Recruitment Services is seeking a Senior Front-End Developer in Newport, United Kingdom. You will design, develop, test, and maintain enterprise-grade cloud applications within an Agile team, focusing on scalable, secure, user-friendly interfaces. You will work with RESTful APIs, collaborate with ...

Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. About the role As a Senior Frontend Engineer on our Website team, you'll be a co-owner of the platform behind synthesia.io: the component library, content model and rendering stack that every … adoption with the people who publish on it. What we're looking for At least five (5) years as a software engineer, including three (3) at senior level, building front end for content-driven or marketing platforms. Real ownership of a content ...

Senior Product Engineer (Frontend) - AI-Native SaaS Platform | Tripled ARR in 12 months Remote-first (UK) with hybrid London office option Up to £130,000 + equity Typescript/Node, React, GCP/AWS Senior Product Engineer - We're working with … over $12m ARR, they're now expanding their Engineering team to match the ambition of their product and customers. The Senior Product Engineer As a Senior Product Engineer , you'll be at the heart of designing, building, and scaling the frontend ...

industry, delivering the performant, reliable, and scalable foundation trusted by the world’s largest engineering companies. About the role: The Staff Frontend Engineer will own and evolve the Physical AI platform’s product surface: the data‐heavy, workflow‐centric web experience where engineers design experiments, compare ...

industry, delivering the performant, reliable, and scalable foundation trusted by the world’s largest engineering companies. About The Role The Staff Frontend Engineer will own and evolve the Physical AI platform’s product surface: the data-heavy, workflow-centric web experience where engineers design experiments, compare ...

ambitious brands grow faster, smarter, and globally. The Role Our Rewards Tech team is growing! We're looking for a Senior Frontend Engineer to join our team in Maidstone. In this role you will own the frontend across our Cashback and Custard apps and websites, shipping … stack where it counts, partnering with our backend developers on the Python services behind the apps About You A strong senior frontend engineer, production-grade with React and TypeScript on the web Hands-on experience building and shipping mobile apps, ideally React Native across ...

minds in the industry, we would love to hear from you! 🚀 The Opportunity: Join our Product Community team as a Frontend Software Engineer and play a key role in shaping cutting‐edge user experiences! You'll work on exciting, high‐impact projects ranging from AI‐powered … working across teams to ensure the frontend experience aligns with backend capabilities. In any case, you have: Strong experience as a software engineer working on production systems. Proven expertise in building scalable UIs with React and TypeScript. A track record of collaborating with backend engineers ...

Regulatory invites a UX/UI Designer & Front-End Developer to lead design and continuous improvement across ARC’s digital product portfolio. You will blend user research, interface design and practical front-end engineering to deliver accessible, high-performing experiences. You will ...

delivery organization seeks a Front-End Lead Engineer to drive high-quality, scalable front-end solutions while staying hands-on with code. You will shape architecture, set engineering standards, and act as the main technical contact between ...

Frontend Engineer - Shape the Future of AI in Financial Services at Ani Tech Ready to design and build the interfaces that bring the AI agents of the future to life? Join our growing team at Ani Tech where you'll craft the experiences that let financial ...

Citi is seeking a motivated Front-end Web Developer to join Citi Tech in Belfast. You will build, test, and maintain web applications using React on the frontend and Java on the backend, collaborating with experienced developers to grow your software engineering skills in a team ...

broker by respected industry sources including Barron’s, Investopedia, Stockbrokers.com, and others. The Role We'relooking for a talented Front-End Engineer to take a hands-on delivery role across our most critical platform initiatives —continuously improvingour trading UIs in Vue . … also open to strong server-side engineers with a genuine interest in front-end technologies who are looking to cross-train into a full-stack role — we'll invest in helping you get there. We currently operate a hybrid working model at IBKR ...

About us Encord is the universal data layer for AI that helps 300+ AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI ...

About Gigs At Gigs, we're building the operating system for mobile services—a platform that lets tech companies embed global connectivity into their products effortlessly. Just as Stripe lets any business add a payment ...

Citigroup Inc. in London invites a Senior Front-End Developer (React) to join Equity Derivatives Technology. You will lead frontend delivery, design scalable UI, collaborate with traders and engineers, and shape the next generation of pricing and marking systems. The role offers hybrid work ...

Frontend Software Engineer - Hybrid - London - Hiring across all levels Our Client Our client's platform connects to existing cameras and sensors to detect threats, retrace events, and surface real-time insights - all without replacing a single device. They help teams reduce risk … unified by a shared drive to achieve their mission through a commitment to excellence. The Role They're looking for a frontend engineer with experience building complex, performant, dynamic web applications for visualising and navigating data. You'll be responsible for building core frontend components ...

Operations Helix Ltd is looking for a skilled Web Designer and Front-End Developer to join our Digital Solutions team. You will craft modern, responsive websites and collaborate with developers to deliver high-quality digital experiences. The role demands strong UI/UX capabilities, hands ...

Global Banking&Markets- Lead Frontend Engineer - London- Vice President location_on London, Greater London, England, United Kingdom What We Do At Goldman Sachs, our Engineers don’t just make things – we make things possible. Change the world by connecting people and capital with ideas. Solve … operations users. The Role As part of our global team you will work front to back as a Lead Engineer, primarily focusing on UI products. As a project lead, you will drive the design and implementation of critical components in the Digital Engineering stack ...

crucial phase of growth and help change an industry for the better. We’re looking for a Staff Frontend Engineer to help lead technically across our frontend engineering. You’ll work across a group of cross-functional squads, each made up of engineers, designers, data analysts … rest of engineering along with you. Own quality, security and reliability standards : Set and maintain the security standards for the frontend, including client-side concerns like CSP, XSS prevention, data, governance plus reliability standards, incident review culture, and production readiness criteria. Own the build and deployment ...

people with varied experience and strengths, and we iterate, learn, and build great software together.**What You'll Do*** Build high-quality front-end features using React and TypeScript, with a focus on clarity, performance, and maintainability* Refactor legacy or complex areas of the codebase … direction of the team through practical suggestions, hands-on implementation, and identifying opportunities to reduce friction or complexity* Contribute to improving our front-end developer experience, including building tools, testing practices, and performance optimisations* Ensure technical decisions support our goals of quality, performance, reliability, and security ...