26 to 50 of 180 Front-End Engineer (Client-Side Engineer) Jobs in London

Coralogix, a modern, full-stack observability platform, is seeking a Senior Frontend Engineer. You will own complex frontend features, design high-performance UIs with Angular, and drive frontend architecture for scalable, data-intensive applications. Based ...

Modo Energy is hiring frontend engineers to join one of our product teams: Terminal, Data, Ko, or Modelling. You'll build a shared TypeScript, React, and Next.js frontend in a monorepo and ship against a ...

Modo Energy is hiring frontend engineers to join one of our product teams. You’ll contribute to a shared TypeScript, React, and Next.js codebase in a monorepo and build against our design system. You’ll ...

AlphaSights in London is seeking highly talented software engineers to join a cross-functional team with product managers and designers, delivering real-world code for internal and external users. You will own the services your ...

have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Enterprise Observability Platforms, you serve as a seasoned member of an agile team to design and deliver trusted market ...

JPMorganChase in London is seeking a Software Engineer III to join the Enterprise Observability Platforms team. You will design and deliver scalable, secure software solutions as part of an agile team, shaping critical technology used across the firm. You will work with React/JavaScript/ ...

have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Enterprise Observability Platforms, you serve as a seasoned member of an agile team to design and deliver trusted market ...

Location: London Office/Hybrid (3 days a week working from home) Reporting to: Engineering Manager The role As a Senior Software Engineer I, you will own the delivery of high-quality software and products, able to be deployed frequently and safely into production. Working with ...

they can interact with markets tomorrow. For more information, visit https://the company.io. The Role As a Senior Software Engineer on Clear Street's Payments team, you'll play a key role in scaling and modernising our rapidly evolving global payments infrastructure. … offer our customers a smooth payment experience, helping to shape the future of the Clear Street financial ecosystem. What You'll Do Engineer highly reliable, API-driven payment systems that streamline operations and support our global expansion. Translate product and design requirements into clean, maintainable ...

Modo Energy is hiring frontend engineers to join product teams (Terminal, Data, Ko, or Modelling). You’ll contribute to a shared TypeScript/React/Next.js codebase in a monorepo with a company-wide ...

Modo Energy is hiring frontend engineers to join one of our product teams—Terminal, Data, Ko, or Modelling. You’ll contribute to a shared TypeScript, React, and Next.js codebase in a monorepo built for rapid ...

Senior Software Engineer – Platform Frontend Team As a Senior Software Engineer, you’ll take ownership of key components in Motilent’s advanced medical imaging platform, ensuring our viewer technology remains robust, performant, and scalable. You’ll collaborate closely with engineers, solution architects … Bachelor’s degree (or equivalent) in Computer Science, Engineering, or a related technical discipline, and 3+ years of experience as a software engineer within a commercial environment. Production experience with React 18 and TypeScript, including strongly typed hooks, component composition, and modular architecture. WebGL or Canvas ...

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 ...

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 ...

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 ...