1 to 25 of 47 Senior Front-End Engineer (Client-Side Engineer) Jobs in the UK

Senior Frontend Engineer - React/TypeScript Location: UK - 1 day per week in Central London Salary: Up to £100K + share options Please note: We are unable to provide visa sponsorship for this role. Candidates must have existing right to work … individual engineers can have a significant impact on the product, technology and direction of the business. The Role We're looking for a Senior Frontend Engineer to take a key role in the continued development of the company's core product. ...

commercial, and operational domains. We’re solving real problems for patients and health systems and growing fast. What You’ll Do as a Senior Software Engineer As a Senior Engineer , you’ll join … have) Design Collaboration: Experience working with design systems alongside product designers. GraphQL Knowledge: Hands-on experience designing queries/fragments and managing client-side caching (e.g., Apollo). How We Work We empower everyone at Doccla to take ownership of their work and the company ...

Design is the heart of the role - you'll shape how our product looks, feels and delights users - with the front-end skills to take your own work all the way to production and keep design and code in step. … focused on hands-on design and delivery – rather than line management – but you will be expected to mentor a junior front-end developer and designer. About you The external (public) experiences are mobile-first; our back-office experiences for internal users ...

Senior Frontend Engineer (React/Next.js) -Vietnam B2B SaaS Scale up High Growth! This role is based in Vietnam and we are looking for local candidates based in Ho Chi Minh City. This is an outstanding opening to become the head … product direction, shape technical decisions, and play a key role as the business continues to scale. The Opportunity We're looking for a Senior Frontend Engineer with deep React and Next.js expertise and a passion for creating exceptional user experiences. ...

Senior Frontend Engineer (UI/UX ) This is a Perm role In partnership with Robert Half Ltd and Tony Koyratty Location: Central London (3 days onsite and 2 days from home) THIS IS A UI/UX Focused role. YOU MUST HAVE … product direction, shape technical decisions, and play a key role as the business continues to scale. The Opportunity We're looking for a Senior Frontend Engineer with deep UI/UX expertise and a passion for creating exceptional user experiences. ...

helped 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 … brands Work full 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 building and shipping mobile apps ...

Interactive Brokers Group, Inc. in London seeks a Front-End Engineer to deliver hands-on solutions across our critical trading UI projects, with a focus on Vue-based interfaces and performance. The role supports a hybrid ...

Senior Software Engineer (Frontend) London, United Kingdom Posted 10 months ago Tech Stack Next.js React TypeScript JavaScript Responsive Design Artificial Intelligence (experience beneficial) Responsibilities Manage front‐end development using React and Next.js. Design ...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Frontend Engineer (Contractor) based in United Kingdom. This fully remote contract opportunity is designed for an experienced frontend … engineer who thrives in fast-paced product environments and enjoys building high-quality web applications from the ground up. You will play a key role in delivering intuitive, production-ready user interfaces while collaborating closely with product, design, and backend engineering teams. Working ...

Kleiner Perkins, GV, and 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 … 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 model in Sanity. ...

their money. This includes our mobile app (React Native), web experiences (React), and the layer between user experience and backend systems. As a Senior Frontend Engineer, you operate across the full stack, but your strength is the frontend. You think deeply about … like onboarding, balances, sending, and receiving money. Design frontend architecture that scales across platforms while maintaining consistency, performance, and reliability. Own complex client-side state, async workflows, and error handling for real-world financial interactions. Work full-stack where needed, collaborating closely with backend engineers ...

Java Script Works is seeking a Senior Software Engineer (Frontend) to join their team in London, United Kingdom. The role focuses on managing front-end development using React and Next.js to design and implement seamless user interfaces. Ideal candidates will have strong experience in TypeScript ...

Elsevier is seeking a Senior Software Engineer I with strong JavaScript and React experience to build scalable frontend applications used by researchers worldwide. You will work in a cross-functional team, collaborating with UX designers and QA, while adopting AI-assisted development ...

Front End Web Developer to architect and build modern, scalable front-end interfaces using Angular and/or React. You will lead micro frontend initiatives, mentor mid-level developers, and drive reusable ...

What competencies are we looking for? Effective communication, collaboration and leadership skills Strong understanding of TypeScript and JavaScript Strong understanding of browser technologies Strong understanding of the React ecosystem Good understanding of UX and UI ...

JPMorgan Chase & Co. is seeking a Software Engineer III to deliver high-quality, secure technology solutions supporting the firm's business objectives. You will design and develop React and TypeScript applications for front-office trading within global markets. Key responsibilities … solid background in software engineering with at least 3 years of experience, strong communication skills, and expertise in modern front-end technologies. #J-18808-Ljbffr ...

Hargreaves Lansdown PLC is seeking a Full Stack Senior Software Engineer with a strong frontend focus to help evolve the Discover platform. You’ll build modern React applications and contribute to backend services when required, delivering engaging customer journeys for investments ...

WorksHub is seeking a talented developer based in the Greater London area to tackle exciting challenges in the tech space. The ideal candidate will have strong skills in TypeScript and JavaScript, with experience in the ...

stealth startup within the Life Science area and is building the groundbreaking AI operating system for drug discovery software. They’re hiring a Senior Product Engineer to own the interfaces where scientists interact with the platform. The stack is React and TypeScript ...

Reactive Markets Limited is seeking a senior frontend engineer to build the trading platform across the stack, using TypeScript and Rust. You’ll work on trader-facing interfaces and the services behind them, with ownership from design through production. You’ll join … small, senior team focused on high-performance systems, with remote-friendly, UK-based setup and opportunities for mentorship and impact across the platform. #J-18808-Ljbffr ...

Quantum in Maidstone is looking for a Senior Frontend Engineer to own the frontend across our Cashback and Custard apps, shipping features that move revenue and improve user experience. You’ll work with product, backend, and QA to raise ...

Synthesia is hiring a Senior Frontend Engineer for the Website team to own the platform behind synthesia.io. You will shape the component library, content model, and rendering stack that powers our marketing pages, with a focus on composability and scale. ...

Talent in the United Kingdom is seeking a Senior Front End Developer (iGaming) to build and maintain the user interface for our platform. You will work closely with product and design teams to deliver responsive, high-performance web experiences. ...

Unitary is a remote-first AI startup building Virtual Agents. As a Senior Software Engineer, you will own the frontend for our products and help shape how customers see and trust AI-powered work, turning early builds into polished surfaces. You will ...

building regulated patient and clinician interfaces. You’ll ship complex, data-rich dashboards demanding absolute correctness, balancing safety with rapid delivery. As a Senior Software Engineer, you’ll own end-to-end delivery, drive ...