1 to 25 of 36 Permanent Senior Front-End Engineer (Client-Side Engineer) Jobs in London

openness and doing the right thing. Both for people and the planet. About the role As a Senior Front-End Engineer at Beams, you'll leverage your expertise in modern front … compelling user interfaces. Working closely with product managers, designers, and other cross-functional team members, you'll ensure that our front-end solutions align with user needs and product goals, while also setting the technical direction for our front … team, you'll provide mentorship to mid-level engineers, sharing insights on design patterns, optimizing code, and ensuring adherence to front-end standards. Your proactive approach to problem-solving and your ability to lead technical discussions will help guide the team through More ❯

data-driven decisions with precision and confidence. Job Description: We are seeking a Front-End Senior Software Engineer to join our team and play a key role in designing, developing, and maintaining high-quality … software solutions. The ideal candidate is a highly skilled problem solver with extensive experience in software development, architecture, and best practices. As a senior member of the team, you will mentor junior engineers, lead technical initiatives, and collaborate across teams to build scalable and efficient applications. Responsibilities Software More ❯

Join Nscale as a Senior Frontend Engineer! Are you ready to build the next generation of cloud platforms for AI? Nscale is on a mission to challenge the hyperscalers with our vertically integrated GenAI cloud platform. We own the data centers, software … maintain our web-based cloud console, ensuring a consistent user experience across our platform. The ideal candidate has experience with front-end development, CLI design, and cloud platforms. You will write clean, well-tested code that follows modern UI/UX standards … team members, fostering a culture of continuous learning. About You: Must-Have Skills, Experience & Qualifications 5+ years of experience in front-end development (HTML, CSS, JavaScript). Expert-level knowledge of TypeScript. Strong proficiency in React & Next.js. Experience consuming OpenAPI 3.0+ specs More ❯

Join Nscale as a Senior Frontend Engineer! Are you ready to build the next generation of cloud platforms for AI? Nscale is on a mission to challenge the hyperscalers with our vertically integrated GenAI cloud platform. We own the data centers, software … maintain our web-based cloud console, ensuring a consistent user experience across our platform. The ideal candidate has experience with front-end development, CLI design, and cloud platforms. You will write clean, well-tested code that follows modern UI/UX standards … team members, fostering a culture of continuous learning. About You: Must-Have Skills, Experience & Qualifications 5+ years of experience in front-end development (HTML, CSS, JavaScript). Expert-level knowledge of TypeScript. Strong proficiency in React & Next.js. Experience consuming OpenAPI 3.0+ specs More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

Senior Front End Engineer - REMOTE/React.js/Typescript/Javascript Key Skills: React.js, Typescript, REST APIs, Javascript ***FULL REMOTE WORKING BUT MUST BE BASED IN UK*** An exciting opportunity is on offer for … a Senior Front End Engineer to work for a innovative and growing SaaS business, with full remote working offered for candidates based in UK. The chosen Senior Front … software as a service) , ideally with start up experience. There is a huge opportunity for a Front End Engineer to progress quickly within this business and take ownership of large parts of the project. Excellent salary More ❯

recruit, develop, and retain the most talented people from a diverse candidate pool and we're hiring! We are looking for an experienced Senior Frontend Engineer to help build out a groundbreaking FinTech application from the ground up, which will become a More ❯

Senior Frontend Engineer (Next.js, React Native) I’m working with a fast-paced, tech-focused, global technology platform that’s undergoing a multi-year transformation program to revolutionize its B2C services. Backed by substantial investment and part of a financially stable group More ❯

Senior Frontend Engineer (Next.js, React Native) I’m working with a fast-paced, tech-focused, global technology platform that’s undergoing a multi-year transformation program to revolutionize its B2C services. Backed by substantial investment and part of a financially stable group More ❯

Senior Fullstack Engineer (Frontend focused) Location: London Ebury is a leading global fintech company that empowers businesses to trade and grow internationally. It offers a comprehensive suite of products, including international payments and collections, FX risk management, trade finance, and API integrations. … employees and 38 offices in more than 25 countries. Role Overview: 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 More ❯

close to hand for business decisions, and a rigorous use of TDD. Expect continuous deployments, engaging colleagues, and ownership of challenging problems. As Senior Engineer, you will: Use your experience and expertise to guide technology decisions both on a project and company More ❯

close to hand for business decisions, and a rigorous use of TDD. Expect continuous deployments, engaging colleagues, and ownership of challenging problems. As Senior Engineer, you will: Use your experience and expertise to guide technology decisions both on a project and company More ❯

The Role We are seeking a Senior Frontend Engineer to join our AxessIQ Private Banking Trading team who will have an active part in building out our next generation front end. The ideal candidate is someone who has More ❯

products - driving advertising performance, innovation, and value in Disney's sports, news, and entertainment content, across all media platforms. Job Summary: As a Senior Software Engineer, you will focus on engineering complex user interfaces with rich interactions.You will use your deep UI … candidate must be fluent in JavaScript and TypeScript, while also combining expertise with modern reactive JavaScript libraries, tools, and runtimes to engineer abstract, secure, reusable, and testable UI components and applications. This person should also have home-grown Design System experience, having collaborated tightly More ❯

Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least … 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 More ❯

international culture, as well as a fascinating immersion into the world of FinTech and Islamic finance. Job Brief: We are looking for a Senior Frontend Engineer to join our Core development team. As a team member, you will play a role in … an attention to detail. Job Description: Development of the frontend architecture including creating and maintaining core web and mobile components. Work with other senior engineers to drive and deliver on our product roadmap, turning rough specs into features. Provide leadership and mentorship to other frontend and mobile engineers … on the team. Find elegant solutions to usability problems. Build pixel-perfect, buttery smooth UIs across all our frontend platforms. Engineer new features that can work seamlessly across all of maintained web and mobile applications. Leverage APIs for integrations with other platforms. Job Specification More ❯

A leading company in the Renewable Energy space are on the hunt for a Senior Frontend Engineer to join their highly skilled engineering team! You'll come into the business to join their engineering function and help to spearhead the engineering of More ❯

A leading company in the Renewable Energy space are on the hunt for a Senior Frontend Engineer to join their highly skilled engineering team! You'll come into the business to join their engineering function and help to spearhead the engineering of More ❯

to recruit, develop, and retain the most talented people from a diverse candidate pool and we're hiring! We are looking for a Senior Frontend Engineer to help us build interfaces for groundbreaking Web3 applications, which will become critical pieces of infrastructure More ❯