51 to 75 of 126 Permanent Front-End Engineer (Client-Side Engineer) Jobs

fast-paced environment, takes initiative, and is excited to shape the future of travel advertising. In this role, you will: Design, build, and maintain scalable, fault-tolerant front-end systems for serving ads across Expedia Group platforms Collaborate with engineers, product managers, and designers to deliver high-quality, user-centric features Contribute to full-stack development … technical design discussions, and agile ceremonies Continuously learn and explore new technologies to improve our stack and developer experience Experience and Qualifications: Experience with React and modern front-end development practices Willingness to work across the full stack and learn backend technologies Solid understanding of software engineering fundamentals and clean code principles Excellent problem-solving and … tech is a plus Interest in or exposure to machine learning applications Bachelor's degree in Computer Science or a related field 3+ years as a software engineer, preferably in e-commerce, ideally in fast-paced, global environments Accommodation requests If you need assistance with any part of the application or recruiting process due to a More ❯

merchants unlock revenue potential through online bookings and automated marketing, integrated with platforms like Instagram, Facebook, and Google. Role Overview We are seeking an exceptional Senior Frontend Engineer to join our growing team. Reporting to the Team Lead , you will work within a cross-functional product team to design and develop applications, collaborating on different infrastructure More ❯

The basics This role pays £70k-£90k/year + equity. Kameron, our Senior Growth Engineer, is the hiring manager. We work from our office in Chancery Lane, London, Monday to Thursday. Fridays are work-from-home days. What are we building? Great people are working on overdrive to do a great job, but are held … our ideal hire look like? Must have: Thorough understanding of TypeScript and React. Can function as a full-stack engineer (leaning heavily towards front-end development), working on both client and server-side code, answering data questions using SQL, and contributing to DevOps and CI/CD processes. … psychology to ideate and build high-impact experiments. A sense of urgency and intensity in your work. Ideal: Worked at an early-stage tech company as an engineer ( Keen interest in LLMs, workflow automation, and AI agents. Previous experience as a growth engineer or as a software engineer More ❯

Senior Frontend Software Engineer Leeds - 2x a week Salary: Up to £75k DOE. Fruition IT are working with a well-established private equity tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as … part of the business growth. The Frontend Software Engineer will be responsible for working in a creative environment to build the frontend platform to industry standards. You will be working with scripting languages such as JavaScript and Typescript, spun up into an AWS platform. You'll be working alongside a very strong managerial team with great More ❯

Lead Front End Engineer London (Hybrid 1x Per week) Salary: Up to £100k + Benefits About Us Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of … the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role We're seeking a Lead Frontend Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact … boost team performance. Our Approach to AI We embrace AI as a catalyst for smarter work enabling faster iteration, enhanced creativity, and focused impact. As a Lead Engineer, you'll champion intentional AI adoption to empower your team and unlock new levels of productivity. Benefits We value and reward our people with: Private Medical Insursance, Company More ❯

Exciting opportunity for a Front End Engineer to join a Leading Commodities Trading Company. The team requires an engineer who will be in charge of building out common functionality for their product teams as part of a wider trading project. The initial work on the project will involve More ❯

Exciting opportunity for a Front End Engineer to join a Leading Commodities Trading Company. The team requires an engineer who will be in charge of building out common functionality for their product teams as part of a wider trading project. The initial work on the project will involve More ❯

Senior Frontend Engineer - React, Typescript, Linux, HTML, Financial services, Front End - Hybrid … London, Permanent. - £75,000 p.a - £86,000 p.a My client, a leading global financial organisation, is currently looking for an experienced Senior Front End Engineer to join the organisation. You will be joining core Credit Flow pre-trade engineering team and will be working on UI initiatives and providing hands … beneficial Background in financial services or strong understanding of financial systems and concepts is highly beneficial This is an excellent opportunity for an experienced Front End Engineer to join a rapidly evolving organization. More ❯

Senior Frontend Engineer (React/React Native) Office: London Apply for this role About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. More ❯

the founders and the engineering team to build, manage, and scale a user experience that tens of thousands of people rely on every day. As a frontend engineer, you'll build key feature sets for the Writer product, manage our in-house design system, and optimize our frontend code for performance and responsiveness. We're looking … field. 7+ years professional Software engineering experience working on modern web ecosystems 5+ years professional experience with Mobx, React, Typescript, Javascript, HTML, RESTful API, CSS, and other front-end technologies Proactive communication skills, both sync and async Sets the highest possible UX and UI bar for what you ship: it's consumer-grade or bust A More ❯

we're building seamless digital experiences that connect pet owners and clinics - ensuring the right care, at the right time. We're looking for a Senior Frontend Engineer to join our growing engineering team and help shape the future of pet care. If you're passionate about frontend performance, accessibility, and clean, modern web development - we … technology team, you'll help shape the tools and platforms that support more than 2,500 veterinary practices across 20 countries. The Role As a Senior Frontend Engineer, you'll join one of our cross-functional product teams, working alongside product managers, designers, and engineers to build and scale intuitive, high-quality web applications. You will More ❯

comfortable planning for the future while simultaneously delivering for the present. There's a lot of space to learn, grow, and supercharge your career. As a Senior Engineer, you will: Drive the engineering direction across website projects and digital experiences, with the ability to produce polished work from inception through to completion. Work closely with experts … large features and improvements. What we'd like to see in you: 3+ years experience in an engineering role Extensive agency or start-up experience as an engineer, ideally having worked closely with different types of clients in a range of different industries. Strong, demonstrable experience in TypeScript, HTML, and CSS, and ideally React or Vue. … better as an organisation. Fortify relationships with cross functional team members as well as broaden your connections across the organisation. Participate in the interview process for other engineer candidates. Have at least two large projects under your belt, plus numerous contributions to smaller projects. Feel entirely confident taking on a large project build from pre-sales More ❯

Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. You will be involved with creating sophisticated, robust and easy to use … CSS, HTML including DOM manipulation and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity with code versioning tools The More ❯

Senior Software Engineer (Front End or Full Stack) - Equities Tech - VP London Department Overview: Citi are undertaking a multi-year initiative to upgrade their structured products front-to-back infrastructure. The IT team is a key partner to the business and is a major contributor to its success and future More ❯

SASS/LESS), and TypeScript (as a preprocessor for JavaScript ES6+), adhering to industry coding standards. Proficient in state management with React Query. Responsibilities As a React Engineer, you will be a key architect, owning the end-to-end delivery of high-quality, production-ready React single-page applications that power our More ❯

in a dynamic, high-growth industry. London Office - Hybrid: 4 days in the office, 1 day working from home We are seeking a frontend-focused full-stack engineer to play a crucial part in our Channels Core team. In this role, you will be working on evolving our customer-facing portals for the scale Ebury wants More ❯

personal growth, and providing our team with resources to succeed. Ready to shape the future? Let's talk. We're looking for a seasoned SRE with a front-end focus, expert in React applications, to join our SRE team. In this role, you'll ensure the reliability, performance, and operability of our React-based user interfaces … running on AWS and Kubernetes. You'll lead incident response for client-side issues, diagnose end-to-end failures in the stack, and build tooling to automate detection and self-healing. Key Responsibilities Incident Response & Troubleshooting Act as primary on-call for React application incidents: crashes, memory leaks, performance regressions, or deployment … AWS , and Kubernetes layers. Orchestrate post-incident reviews: document findings, define mitigation plans, and drive tickets to resolution. Reliability Engineering & Automation Develop and maintain robust observability for front-end components: integrate Datadog for observability. Define SLIs/SLOs for page load times, Time to Interactive, and error rates; build alerting that balances sensitivity with noise reduction. More ❯

Staff Frontend Engineer (Vue.JS) Up to £115,000 Remote - London | High-Growth SaaS Scale-Up Are you a frontend specialist ready to take the lead on complex, high-impact user experiences? I'm hiring for a Staff Frontend Engineer to join a cutting-edge B2B SaaS company that's reimagining how professionals More ❯

Junior Frontend Software Engineer - Remote (UK-Based) Location: Greater London, UK 100% Remote Compensation: Competitive Salary + Stock Options Build Scalable UI & Explore AI Innovation at Skedulo Skedulo powers mobile workforce operations for deskless professionals worldwide. As a Junior Frontend Engineer, you'll learn rapidly, contribute directly to AI features, and shape More ❯

Staff Frontend Engineer Location: Remote (UK-based) Salary: Up to £115,000 We're working with our client, a fast-growing SaaS company founded by serial entrepreneurs, to recruit a Staff Frontend Engineer. Their platform is transforming how leading professional services firms interact with complex data-think Figma for financial, legal, and consulting workflows. More ❯

position. We currently have a number of remote engineers based in the UK, Germany, Turkey, Poland, Italy, Spain and Portugal. We're looking for an experienced frontend engineer to join the engineering team. You'll be working alongside a highly technical and motivated team and report to one of our Tech Leads. You would be expected … requirements for improved or new features Write technical documentation of code, algorithms and APIs Help in drafting of end-user manuals Identify, evaluate and communicate front-end best practices. Skills Expert level knowledge of TypeScript or JavaScript (ES6), and most common Styling libraries. Strong grasp of the React Framework, relative patterns and best practices. … Good understanding of UI/UX best practices and considerations. Understanding of front-end observability with tools like Sentry, LogRocket, Datadog, or New Relic. Experience with CI/CD pipelines, like Github Actions, ArgoCD. Awareness of common front-end security risks (e.g., XSS, CSRF). Passion for writing clean, modular, scalable, well More ❯

and automated marketing through mobile apps and advanced integrations with major tech brands including Instagram , Facebook and Google. Role overview Fresha is seeking an experienced Principal Frontend Engineer who can lead the frontend guild, provide mentorship and vision for our frontend engineers, and drive the overall quality and productivity across the entire organisation. The ideal candidate More ❯

need your skills to support us on this exciting journey! Don't look back and submit your application before the opportunity passes you by Job title: Frontend Engineer Department: Technology Who we are We're part of Super Group, the NYSE-listed digital gaming company behind some of the world's leading Sports and iGaming brands. … expect you to bring your A-game. In return, you'll find a supportive environment where your skills can flourish and your career can soar. The Frontend Engineer works as part of a self-organising agile team, using various web-focused technology to deliver a cutting-edge experience to our users. Ready to become a game More ❯

in a no BS organization so you can get stuff done: look no further and apply today! About the Role We're looking for a dedicated frontend engineer with a strong background in building large-scale React applications-ideally using Next.js, React and Tailwind. In this role, you'll develop and maintain key features on our More ❯

Frontend Engineer - London Live shows make us feel good. They're a time to hang with our friends, discover new artists or lose ourselves on a dancefloor. We're on a mission to bring all of this to more fans, more often - and that's where you come in. We're looking for a highly skilled … and curious Frontend Engineer to join our Product, Design & Engineering team and help more fans get to shows they love. At DICE, you'll be part of the company that's redefining live entertainment. It's a place where you can be yourself, influence the culture, and create work that you're proud of. About the … role As a Frontend Engineer, you'll be working with the Product, Design & Engineering team to build web apps that delight fans and provide partners a great experience. You'll be developing our event discovery, ticketing and event management products. Our team is global, although our core is based out of our London offices, where we More ❯