10 of 10 Senior Front-End Engineer (Client-Side Engineer) Jobs in the South East

Senior Frontend Engineer Remote (UK-based) Full-Time About Us Reactive Markets is the 2026 OTC Trading Platform of the Year ( Risk.net ). Our network handles over 50 billion in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 40+ … edge of what's technically possible where nanoseconds matter and a dropped message costs real money. Our engineering team is small, senior, and deeply invested in the craft of building cutting edge, reliable, high-performance systems. The Role We're looking for a senior full-stack ...

Senior Frontend Engineer Remote (UK-based) Full-Time About Us Reactive Markets is the 2026 OTC Trading Platform of the Year ( Risk.net ). Our network handles over 50 billion in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 40+ … edge of what's technically possible where nanoseconds matter and a dropped message costs real money. Our engineering team is small, senior, and deeply invested in the craft of building cutting edge, reliable, high-performance systems. The Role We're looking for a senior full-stack ...

Working pattern Hybrid, two days per week on site (minimum) The Role We are looking for a Senior Front-End Engineer to join our Quantum Tools software team at the company. In this role … embed best practice and stronger processes. Requirements To be successful in this role, you will require prior experience in front-end development, including working with Typescript, HTML, CSS and React. We are looking for someone who can work across teams, turn abstract ...

company in Oxford is seeking a Senior Front-End Engineer to design, develop and support web-based tools for scientific research and hardware integration used by quantum scientists and engineers. You will shape best ...

Hastings Direct is looking for a Senior Digital Engineer to work across the software development lifecycle in agile teams. The role includes providing technical leadership, designing and building software systems, and mentoring junior members. Ideal candidates will have strong expertise in JavaScript ...

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 experience building and shipping mobile ...

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 … 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 ...

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 … 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 ...

Quantum in Maidstone is seeking a Senior Frontend Engineer to own the frontend across our Cashback and Custard apps and websites. You will ship new functionality that moves revenue, while strengthening the release pipeline with automated testing and elevating the user experience … rewards products. You should be a strong frontend engineer with React and TypeScript, experience shipping mobile apps (ideally React Native), and comfortable collaborating across the stack with Python services #J-18808-Ljbffr ...

Experis - ManpowerGroup is seeking a Senior Frontend Developer to own a modern React and TypeScript platform, shaping its architecture and engineering standards. You will design and deliver high‐impact features, champion accessible UX, and collaborate with Product, Design, and Engineering to raise frontend quality across the stack. Expect ...