151 to 175 of 183 Front-End Engineer (Client-Side Engineer) Jobs in London

慨正橡扯 is looking for a Lead Software Engineer (UI) to guide the front-end technical direction for our trading platform, Execute. This vital role will involve partnering with various stakeholders to create high-performance user experiences that are critical to trader operations. … ideal candidate will have extensive hands-on experience with React and TypeScript, alongside a solid understanding of modern front-end engineering practices. Join us and influence our engineering excellence while ensuring compliance with security standards. #J-18808-Ljbffr ...

Immersum is hiring a Senior Frontend Engineer to design and build a modern React single-page application with ownership from first commit to production. You’ll impact onboarding, accounts and KYC/KYB flows in a fast, autonomous fintech engineering culture. You’ll shape frontend architecture ...

Citi London is seeking a Senior UI Software Engineer to join the FX Client Platforms team. You will lead design and delivery of trading GUIs for internal and external traders, owning the full dev lifecycle. Hybrid work model (up to 2 days at home ...

Quantum Systems is seeking a talented Front End Engineer with over 5 years of professional experience to join our UK team. You will design, develop, and optimize frontend applications for controlling and visualizing robotic swarms and sensor data. You will collaborate with ...

TransitionZero is seeking a Frontend Engineer to join the interface team and help shape Scenario Builder with React and TypeScript. You will build new capabilities, improve the foundations of the product, and create intuitive experiences over large datasets and complex energy models. You will work with ...

Ripple in the United Kingdom is seeking a Staff Engineer, Frontend to work on Palisade – Ripple’s flagship wallet as a service platform enabling businesses to build digital asset treasury, payment and exchange use-cases. You will bring expert ReactJS and TypeScript skills, craft complex forms ...

Octopus Energy Group is seeking a Senior Frontend Engineer to join the Flexibility team. You will lead frontend capability, set technical direction, and build a range of customer-facing journeys that empower users with low carbon tech management. You will collaborate with design and product ...

London, is redefining travel and spend management with an AI-driven frontend platform. We are seeking a Senior Front End Engineer to own the group travel and events experiences, guiding the design and implementation across the Perk platform (travel, spend). ...

making energy fair, clean, and simple for all using technology. Key Responsibilities Acting as the flexibility team’s first frontend engineer, establish the team’s frontend capability, lead the team’s frontend technical direction and represent the team to the cross-team community of frontend engineers ...

CrowdStrike is hiring a Senior UI Platform Engineer to shape the shared tooling foundation for our next-generation front end. You will own module federation, build pipelines, and a single CLI to scaffold, test, and release UI components across teams. You will mentor engineers ...

Emma is looking for a Senior Frontend Engineer to shape the mobile and web experience from our London office. You will drive features end-to-end using React and React Native, partnering across product, design and backend teams to ship with speed ...

Emma is seeking a Senior Frontend Engineer (React/React Native) to join our London office. You will own frontend features for mobile and web apps, contribute to architecture, and collaborate with a high-performance team to ship delightful user experiences. The role emphasizes delivering fast ...

Augur is seeking a frontend engineer to build complex, performant web apps for visualising and navigating data. You’ll implement core frontend components and extend them to support customer-specific workflows across sectors. This high-impact role invites rapid prototyping and emphasizes robust, reusable abstractions. Join ...

Solirius Reply is seeking an experienced Automation Test Engineer/SDET to join our London-focused client projects. You will design, develop, and deliver test solutions while mentoring teammates and upholding best practices. Most work can be done remotely, with travel to London ...

Augur Initiative Ltd in London is seeking a frontend engineer to build complex, high-performance web apps for visualising data in real-time environments. You will own core frontend components and interfaces, extending them to support customer-specific workflows across multiple sectors. The role requires rapid ...

CrowdStrike Holdings, Inc. is seeking a Senior Frontend engineer to lead the development of large graph UI features in our Kestrel graphs UI team. You will shape visuals, optimize data-rich interfaces, and collaborate across design, product, and cloud engineering to deliver scalable frontend solutions. ...

develop is seeking a Frontend Engineer to build a brand new product using React and TypeScript. This remote-first role includes one on-site day per month in London and offers a competitive salary up to £85,000. You will collaborate with backend engineers ...

Arrows in London is seeking a top-tier engineer to own both backend and frontend, delivering production-grade features at speed for a rapidly growing legal tech product. You’ll scale the foundations with a scalable, robust Python backend and collaborate on a React-based ...

Synthesia Limited, a London-based AI video platform, is hiring a Senior Frontend Engineer for the Website team. You will own the component library, content model and rendering stack behind synthesia.io, shaping direction and making key technical decisions. You’ll work end-to-end ...

Senior Frontend Mobile Engineer Salary: Up to £80,000 D.O.E Location: Fully remote (UK) We're looking for an experienced Software Engineer to join a permanent feature team, working across the full development lifecycle and building customer-facing applications across ...

Flagstone is seeking a Staff Engineer specializing in front-end and mobile to set technical strategy and drive high-quality React and React Native systems across multiple squads. You will mentor engineers, shape architecture, and lead design-system evolution while partnering with ...

Augur Communications Ltd is seeking a frontend engineer to build complex, performant web applications for visualising and navigating data. You will develop core frontend components and interfaces and extend them to support customer-specific workflows across various sectors. This high-impact role suits someone ...

NextGenEnergyJobs is seeking a senior frontend engineer to lead the flexibility team's frontend capability in the UK. You will own a range of customer journeys for onboarding, control, and analysis of low carbon tech, and build internal interfaces for stakeholders and experiments. You will collaborate ...

CoreWeave is seeking a Staff Frontend Engineer to own the Physical AI platform’s frontend end-to-end, shaping architecture, design system evolution, and performance. You’ll collaborate with Design, Product and Backend Engineering to deliver intuitive, data-heavy UIs for engineers ...

Caribou is hiring a frontend-focused full-stack engineer in the UK to build data-dense, legible interfaces for intercompany tax data. You will own features end to end, from frontend through the API, collaborating with our CTO, lead engineer ...