51 to 75 of 261 Front-End Engineer (Client-Side Engineer) Jobs in England

BT Group is seeking a Senior Software Developer specializing in NX-based frontend platforms. You will own the Nx monorepo, develop custom generators, and contribute to production-grade Next.js and micro-frontend apps. 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 ...

Principal Engineer (Front End)We’re a digital insurance provider with ambitious plans to become The Best and Biggest in the UK market. Over the past few years, we've made significant investments in our data and tech capabilities, particularly within … Hastings Direct, we’re transforming how we build, deliver, and scale technology across the organisation. We’re looking for an experienced Principal Engineer to play a critical leadership role within our Technology Engineering function, helping shape engineering standards, drive delivery excellence, and influence enterprise‐wide outcomes. ...

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 ...

market. Location: London Office/Hybrid (3 days a week working from home)Reporting to: Engineering ManagerThe 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 ...

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 ofhigh-quality software and products, able to be deployedfrequentlyand safely into production. Working with similarly minded people ...

tech consulting firm in Nottingham is seeking a Senior Front-End Software Engineer to translate UI/UX designs into responsive, high-quality interfaces. The role involves developing reusable components using Blazor and ensuring cross-platform compatibility. Candidates should have proven experience ...

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 ...

alert-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 ...

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 ...

Noir Consulting is seeking a talented Front End Developer to join their cutting-edge FinTech team in Newcastle. The successful candidate will own the development of intuitive user interfaces, collaborating closely ...

We anticipate relocating our in‐person operations to London, UK in late 2026/early 2027 . Applicants applying for Manchester‐based in‐person roles should be open to the possibility of relocation. What you ...

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 ...

McLaren Automotive Ltd seeks a full-stack developer for its Data & AI capability team in the UK. You will design, build, and operate AI-enabled web interfaces, dashboards, and chat experiences, with a strong frontend ...

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 ...