1 to 25 of 35 Permanent Senior Front-End Engineer (Client-Side Engineer) Jobs

Senior Product Engineer (Frontend) – AI‐Native SaaS Platform | Tripled ARR in 12 months Remote‐first (UK) with hybrid London office option Up to £130,000 + equity Tech stack: Typescript/Node, React, GCP/AWS We’re working with a rapidly … last year to over $12 M ARR, they’re now expanding their Engineering team to match the ambition of their product and customers. Senior Product Engineer – About the role As a Senior Product Engineer ...

Senior Front-End Engineer Reading - 2 days a week Hybrid About the Company Our client is an established, international technology business delivering high-traffic digital products used by both organisations and individual … users worldwide. They are currently investing in a significant transformation programme, modernising their core platform and front-end architecture to support future growth and improved user experience. This is an opportunity to join a well-backed organisation operating at scale, while working ...

Senior Frontend Software Engineer/React/JavaScript/Permanent/Hybrid/Cardiff Vivo Talent is looking to a recruit a Senior Frontend Software Engineer with strong hands-on experience in React. … position for someone who enjoys solving real user problems, collaborating with others and continuously developing their technical skills. You'll work closely with senior engineers, product owners and cross-functional teams to deliver high-quality features that make a meaningful impact. What you'll do Build and enhance ...

Senior Front-End Engineer Reading - 2 days a week Hybrid About the Company Our client is an established, international technology business delivering high-traffic digital products used by both organisations and individual ...

Senior Frontend Engineer (React/Next.js) -Vietnam B2B SaaS Scale up High Growth! This role is based in Vietnam and we are looking for local candidates based in Ho Chi Minh City. This is an outstanding opening to become the head … product direction, shape technical decisions, and play a key role as the business continues to scale. The Opportunity We're looking for a Senior Frontend Engineer with deep React and Next.js expertise and a passion for creating exceptional user experiences. ...

Senior Frontend Engineer (React/Next.js) -Vietnam B2B SaaS Scale up High Growth! This role is based in Vietnam and we are looking for local candidates based in Ho Chi Minh City. This is an outstanding opening to become the head … product direction, shape technical decisions, and play a key role as the business continues to scale. The Opportunity We're looking for a Senior Frontend Engineer with deep React and Next.js expertise and a passion for creating exceptional user experiences. ...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Frontend Engineer (React) based in United Kingdom. This role offers the opportunity to build innovative, high-performance frontend … experiences for a global software ecosystem serving leading mobile-first businesses worldwide. As a Senior Frontend Engineer, you will work on complex, interactive applications that combine advanced UI technologies, real-time data, and AI-powered capabilities. You will take ownership of frontend ...

ICAP is seeking a Senior Engineer to join the Fusion Platform team in London. You will own design, development, testing and deployment of software in a fast-paced, production-critical environment, collaborating with AWS and cross-functional partners. You will demonstrate strong ...

Senior Software Engineer (Frontend) London, United Kingdom Posted 10 months ago Tech Stack Next.js React TypeScript JavaScript Responsive Design Artificial Intelligence (experience beneficial) Responsibilities Manage front‐end development using React and Next.js. Design ...

their money. This includes our mobile app (React Native), web experiences (React), and the layer between user experience and backend systems. As a Senior Frontend Engineer, you operate across the full stack, but your strength is the frontend. You think deeply about … like onboarding, balances, sending, and receiving money. Design frontend architecture that scales across platforms while maintaining consistency, performance, and reliability. Own complex client-side state, async workflows, and error handling for real-world financial interactions. Work full-stack where needed, collaborating closely with backend engineers ...

Java Script Works is seeking a Senior Software Engineer (Frontend) to join their team in London, United Kingdom. The role focuses on managing front-end development using React and Next.js to design and implement seamless user interfaces. Ideal candidates will have strong experience in TypeScript ...

Working closely with Product, Design, Marketing and Backend teams, we deliver fast, scalable and accessible experiences that make a real impact. As a Senior Frontend Engineer, you’ll help shape the future of our web platform, building high‐performance applications with ...

Senior Frontend Engineer (React/Next.js) -Vietnam B2B SaaS Scale up High Growth! This role is based in Vietnam and we are looking for local candidates based in Ho Chi Minh City. This is an outstanding opening to become the head ...

Perk is seeking a Senior Software Engineer for the Billing-oriented … frontend, focused on owning the end-to-end customer experience and shaping front-end architectures. You will participate in design, code, and define best practices within a small, cross-functional squad. The role emphasizes ...

Zopa is seeking a Senior Frontend Engineer to shape our web platform. You’ll own frontend architecture, build high‐performance applications with Next.js, React and TypeScript, and collaborate with Product, Design and Backend teams to deliver delightful customer experiences. This hands ...

Burns Sheehan is seeking a Senior Product Engineer for a remote-first role with a hybrid option in London. The ideal candidate will contribute significantly to building and scaling the frontend of an AI-driven product using React and Typescript. Responsibilities include ...

Jobgether is partnering with a client seeking a Senior Frontend Engineer (React) based in the United Kingdom. You will build high-performance frontend experiences for a global software ecosystem, taking ownership of frontend architecture and collaborating with backend and product ...

Perk in Edinburgh is seeking an experienced Senior Frontend Engineer to own the customer-facing billing experience. You will shape the frontend, guide a small squad, and influence product decisions from design handoff through to production. You will drive React architecture, performance ...

Talanto is hiring a Senior Frontend Engineer to own and scale our React-based web platform in London. You will design growth-focused experiments, optimize performance, and deliver patient-facing web experiences with measurable impact. Collaborate with product, design, and marketing ...

Talent in the United Kingdom is seeking a Senior Front End Developer (iGaming) to build and maintain the user interface for our platform. You will work closely with product and design teams to deliver responsive, high-performance web experiences. ...

Perk is seeking a Senior Frontend Engineer to own the frontend experience in the Billing domain, shaping design and architectural decisions from handoff to polished product. You will collaborate with design, product, and PMs, while contributing to broader engineering guilds and setting ...

Perk is seeking a Senior Frontend Engineer who thrives on ownership. You will own the entire lifecycle of a feature—from understanding customer pains with our product team, through design handoff, coding, deployment, and measuring impact. You’ll help build a reliable ...

CrowdStrike is seeking a highly skilled Senior Frontend engineer to join the Kestrel graphs UI team to lead the design and development of large visual UI features that affect thousands of customers and millions of data points. This is an opportunity ...

Software Engineer who thrives on real ownership? At Perk, we believe ownership of a feature from customer pain to final deployment is essential. You will be responsible for the entire lifecycle of a feature—understanding customer needs with product teams, writing design documents, coding … coding interviews, but the core criteria remain code quality and ownership. Some examples of what it means to be a Senior at Perk Shape the bigger picture. You will refine the “what to build” and “why” for your squad, aligning quarterly goals with product and engineering management. Architect ...

Software Engineer who thrives on real ownership? At Perk, we believe ownership of a feature from customer pain to final deployment is essential. You will be responsible for the entire lifecycle of a feature—understanding customer needs with product teams, writing design documents, coding … coding interviews, but the core criteria remain code quality and ownership. Some examples of what it means to be a Senior at Perk Shape the bigger picture. You will refine the “what to build” and “why” for your squad, aligning quarterly goals with product and engineering management. Architect ...