51 to 75 of 206 Front-End Engineer (Client-Side Engineer) Jobs in London

it. This is not a role where you pick up tickets and hand them back. You will set the standard for front-end architecture, decide how it is built, and be accountable for whether it is good. That is a considerable amount of responsibility. … what we ship is set by them, not by us. The role You will: Lead, drive and own the front-end architecture of our platform rebuild: the structure, the patterns, the component system, the performance budget. Not contribute to. Take the lead. Turn designs and wireframes ...

triaging inboxes, and resource allocation planning tools driven by rich‐ML models. As a Senior Front End Software Engineer focused on application development in Foundry, you will be responsible for crafting the tools used by thousands of users to build the sophisticated ...

Clear Street in London is seeking a Senior Front-End Software Engineer to help build our flagship Clear Street Studio, a modern prime brokerage experience. You will tackle non-trivial problems that force you to balance trade-offs while implementing clean ...

The CodePark LTD is seeking a talented Frontend Developer skilled in Vue.js and React to build responsive, feature-rich web applications in London with flexible remote options. You will develop interfaces, create reusable components, and ...

About Us About the Role We are looking for a Frontend Engineer to join our interface team and help shape the future of Scenario Builder. This is an opportunity to work on a modern, greenfield frontend codebase built from the ground up using React, TypeScript … interactive visualisations. Understanding of frontend performance principles, including profiling, reducing unnecessary renders, and working efficiently with large datasets. Experience working with client-side data management patterns, including caching, synchronisation, invalidation, and optimistic updates (for example, TanStack Query or similar). Experience writing and maintaining frontend tests ...

Citigroup Inc. seeks a Senior Front-End Developer to join a critical greenfield program modernizing our electronic FX Options Trading platform. You will design and implement real-time pricing UIs using React and TypeScript, collaborating with quants and traders on a multi-year project. You will ...

Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow.About the roleAs 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 … belongs in the schema versus at runtime, and how to stop a section library sprawling. GROQ and Portable Text are familiar territory.Deep front-end expertise: expert HTML, CSS and TypeScript, with a strong command of component API design and the developer experience of a shared library.You ...

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 ...

Frontend Engineer - EnergyOur client is hiring a Frontend Engineer to help build the software that their customers interact with directly, as they continue to scale their product and technology function. We have already recruited 3 individuals to the company … based in Mayfair, London and operates on a hybrid basis, ideally with 3 days per week in the office initially. Frontend Engineer - Role Purpose: We are looking for a Frontend Engineer to build the software that our client’s customers ...

data centers and other energy-intensive industries. Responsibilities Build and maintain responsive, performant web applications using React, TypeScript, Next.js, and modern front-end practices Collaborate with backend engineers to implement APIs and ensure smooth data integration Work closely with product and design teams to deliver intuitive ...

Citi seeks a Senior Front-End Developer to join a greenfield FX Options trading platform. You will drive real-time pricing UIs, RFQ workflows and complex market data tools while collaborating with quants and traders on a global team. Expertise in React and TypeScript is required ...

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 ...

Lovable is seeking exceptional experienced Design Engineers who combine strong frontend fundamentals with a sharp eye for craft and interaction design. You’ll work closely with design and engineering to build world-class interfaces for ...

Bordeaux, based in Greater London, is seeking a Product Designer to lead the design cycle from discovery to user acceptance testing. Ideally, you have at least 3 years of experience in product design and familiarity ...

Too Good To Go is building a brand-new engineering hub in London, and we’re looking for foundational Frontend Software Engineers to help us kick it off. You’ll join a completely new team ...

Encord is seeking exceptional frontend engineers to build out our editor interfaces for multi-modal data visualization and annotation. You will work on rendering complex 3D/4D scenes in the browser, tackle challenges across ...

Senior Frontend Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: Matt Millross Description Overview of the role This role sits in the Accounts tribe, which owns the onboarding of clients and their accounts, including KYC/KYB across corporate, fund, intermediaries ...

tech team with the very best engineers to supercharge our growth. We are looking for an experienced, driven, Senior Frontend Engineer who is excited about solving complex problems and building scalable platforms. The role As a Senior Frontend Engineer at the company ...

state, props, context, hooks), and modern architectural patterns. Experience with state management solutions (e.g., Redux/RTK Query, React Context API) and client-side routing. Experience with common frontend tooling, testing, and CI frameworks (e.g., Vite/Webpack, NPM, ESLint, Jest, Playwright). Proven success ...

tech brands including Instagram, Facebook and Google.Role overviewGiven our exciting and progressive growth plans, we are looking for an exceptional Senior Frontend Engineer to come join our global business.Reporting directly to the Team Lead, and working collaboratively in across-functional product team within a tribe … DoAt Fresha, we believe AI is a force multiplier for feature delivery, not just a coding assistant. We provide every engineer with top-tier tooling (Claude, GitHub Copilot, Cursor) to strip away technical toil—so you can focus your energy on shipping high-impact product features. ...

Synapri are working with an exciting Software business operating within the Investment Management space looking to hire an experiencedSenior Front-End Engineerto join their growing team on a permanent basis. This is a hands-on role for someone who enjoys getting stuck into complex problems, turning … opportunity to solve interesting technical challenges. There’s also significant scope to take on additional responsibility — from helping shape our front-end roadmap and improving processes through to mentoring junior developers and providing technical insight across the wider business. Location: Onsite/Hybrid in central London ...

Engineer (Front-end) Location: London/Remote Duration: 12 months * UK National with minimum 5 years unbroken residency Umbrella only Looking to build AI-powered digital experiences that genuinely help people? Our Client is hiring an AI Engineer … product-clear, usable, and dependable * Working across teams to deliver and refine AI-enabled customer-facing experiences What you'll bring: * Strong front-end engineering experience and a passion for user experience * Capability to develop AI-enabled user interfaces (front-end focus ...

Senior Front End Engineer (React/TypeScript) London Hybrid (2-3 days per week) Build the platform that powers client onboarding at scale We're looking for a Senior Front End Engineer ...

Engineer (Front-end) Location: London/Remote Duration: 12 months Umbrella only UK National with minimum 5 years unbroken residency What you'll be doing: Developing AI-enabled user interfaces and digital experiences Building and improving front end … product-clear, usable, and dependable Working across teams to deliver and refine AI-enabled customer-facing experiences What you'll bring: Strong front-end engineering experience and a passion for user experience Capability to develop AI-enabled user interfaces (front-end focus ...

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 ...