26 to 50 of 69 Front-End Engineer (Client-Side Engineer) Jobs in London

Responsibilities Work on building the next generation of products to accelerate the green energy transition Collaborate with marketing, operations, and data teams to shape products Modernise payment structures and facilitate seamless self-serve journeys Create ...

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 and implement seamless, responsive user interfaces that enhance user ...

Founding Frontend Engineer We're recruiting for a leading AI security start-up who are building an adaptive security layer designed to detect and respond to evolving threats in real time. As a Founding Frontend Engineer, you'll be responsible for developing … code. Developing accessible and high-performing user interfaces across devices. Optimising application performance and ensuring cross-browser compatibility. Identifying, troubleshooting, and resolving front-end issues efficiently. Decision making on authentication strategies and secure session/token approaches (e.g. JWT/JWE, token rotation). Collaboration with ...

Founding Frontend Engineer We're recruiting for a leading AI security start-up who are building an adaptive security layer designed to detect and respond to evolving threats in real time. As a Founding Frontend Engineer, you'll be responsible for developing … code. Developing accessible and high-performing user interfaces across devices. Optimising application performance and ensuring cross-browser compatibility. Identifying, troubleshooting, and resolving front-end issues efficiently. Decision making on authentication strategies and secure session/token approaches (e.g. JWT/JWE, token rotation). Collaboration with ...

WorksHub is seeking a talented developer based in the Greater London area to tackle exciting challenges in the tech space. The ideal candidate will have strong skills in TypeScript and JavaScript, with experience in the ...

including Instagram, Facebook and Google. Role overview Given our exciting and progressive growth plans, we are looking for an exceptional Staff Frontend Engineer to join our global business. Reporting directly into the Head of Engineering for a tribe, and working with key stakeholders you will ...

trading fund which trades a wide range of financial products, with offices across the globe. Looking for an experienced Front End Engineer who can design and implement the next generation of browser-based tools to operate the trading infrastructure. Building for expert … interaction idioms, and who can sharpen development practices and firm-wide approach to UI development. The successful candidate will be passionate about front-end engineering and user-interface design. This role offers the opportunity to work in multiple parts of the stack, including front ...

Senior Frontend Engineer (UI/UX ) This is a Perm role In partnership with Robert Half Ltd and Tony Koyratty Location: Central London (3 days onsite and 2 days from home) THIS IS A UI/UX Focused role. YOU MUST HAVE STRONG UI/… 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 UI/UX expertise and a passion for creating exceptional user experiences. You'll work closely with Product and Design ...

broker by respected industry sources including Barron’s, Investopedia, Stockbrokers.com, and others. The Role We'relooking for a talented Front-End Engineer to take a hands-on delivery role across our most critical platform initiatives —continuously improvingour trading UIs in Vue . … also open to strong server-side engineers with a genuine interest in front-end technologies who are looking to cross-train into a full-stack role — we'll invest in helping you get there. We currently operate a hybrid working model at IBKR ...

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 and a passion ...

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 of development or future CTO. … 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. You'll work closely with Product and Design ...

United States Digital Space LLC is looking for a Software Engineer III to design and deliver secure, scalable technology products within the Securities Services team. This role focuses on building and evolving frontend platforms and encompasses the responsible use of AI tools to enhance development velocity ...

millions of people experience work, we’d love you on the team. Visit www.the company.com to learn more. Are you a Software Engineer who thrives on real ownership? At the company, we know that we feel most fulfilled when we can own the problem ...

your impact and unlock incredible career growth opportunities, join us, and build real world value. The Work As a Staff Engineer, Front End, you will be working on Palisade - Ripple’s flagship wallet as a service platform enabling businesses, fintechs and banks ...

partnering exclusively with one of London’s most prestigious trading powerhouses to hire a standout Front-End Software Engineer — someone who lives and breathes elegant UI engineering and wants to build products that matter at millisecond scale. This is your chance … TypeScript Partnering with back-end engineers, traders, and product leads to shape next-generation trading tools Designing and evolving front-end architectures for real-time data and complex visualisations Working in an environment where craftsmanship, performance, and code quality are taken seriously — every single ...

United States Digital Space LLC in London is seeking a Senior Product Engineer to own the scientist-facing interfaces of an AI-powered drug discovery platform. The stack is React and TypeScript on the frontend, with Java and Python services behind it, and you’ll work ...

Life Science area and is building the groundbreaking AI operating system for drug discovery software. They’re hiring a Senior Product Engineer to own the interfaces where scientists interact with the platform. The stack is React and TypeScript on the front end ...

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 state, performance, reliability, and how complex financial … 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 ...

customers and how well they can serve them. We're closing it. What you'll do We need a Senior Frontend Product Engineer who works backwards from the experience. This is someone who starts with the user's problem, not a spec, and owns everything between … interface is where you live. Be the engineering voice in every customer conversation When a customer has a need, an engineer hears it, interprets it, and solves it. You join customer calls (about once a week), form a clear point of view on what to build ...

intimately connected to each other and themselves. We are building an inclusive, human-centered product and are looking for a Staff Frontend Engineer (React Native/Mobile) to join our remote team and support our mission to elevate the human experience of sexuality and relationships. ...

JPMorgan Chase & Co. in City of London invites a Software Engineer III to join the Enterprise Observability Platforms. You will design and deliver trusted, scalable technology products in a secure environment as part of an agile team. The role emphasizes AI-assisted development, code quality ...

JPMorgan Chase is seeking a Lead Software Engineer in its accelerator program to design and build scalable front-end solutions in TypeScript/React for both consumer and business-facing features. You will help elevate code quality through best practices and collaborate ...

Sr. Full Stack Engineer, Employee Experience Government the company was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today the company is actively developing the technologies to make... Spacex Security … Engineer (Detection Engineering) Government the company was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today the company is actively developing the technologies to make... Technology internship Technology internship Fintech ...

Tommy Hilfiger/Calvin Klein) is seeking a Front End Engineer to design and implement the next generation of browser-based tools for a tech-centric prop trading fund. You will build for expert, highly engaged users, maintaining a high … capture common interaction idioms. The role involves improving development practices and applying UI-centric thinking across multiple parts of the stack, including front-end and back-end interfaces. #J-18808-Ljbffr ...

Java Script Works is looking for a skilled CRO Frontend Engineer specializing in React and TypeScript. This full-time position is based in London, United Kingdom, with a competitive salary range of £90,000 - £140,000 per annum. The ideal candidate will have extensive experience … frontend development and the ability to work as a full-stack engineer, contributing to both client and server-side efforts. Candidates should be ready to thrive in a dynamic environment where their skills can shine. #J-18808-Ljbffr ...