126 to 147 of 147 Permanent Front-End Engineer (Client-Side Engineer) Jobs

This is a job that Jill is helping to recruit for on behalf of one of our customers. To apply, speak to Jack. Title: Frontend Engineer (£75k-£100k + Equity) at Well-funded activity platform SaaS Salary: £75k-£100k + Equity Company Description: Well-funded activity platform SaaS Job Description: As a Founding Frontend Engineer More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists … visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer , you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery , directly accelerating breakthroughs in life More ❯

Front End Design Engineer - AI Startup | London | Up to £50,000 Join one of London's most exciting AI startups as they launch a new generation of AI-powered products. This is a rare opportunity to shape design and engineering from the ground up You'll be the bridge between design and … using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers More ❯

Front End Design Engineer - AI Startup | London | Up to £50,000 Join one of London's most exciting AI startups as they launch a new generation of AI-powered products. This is a rare opportunity to shape design and engineering from the ground up You'll be the bridge between design and … using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers More ❯

Front End Design Engineer - AI Startup | London | Up to £50,000 Join one of London's most exciting AI startups as they launch a new generation of AI-powered products. This is a rare opportunity to shape design and engineering from the ground up You'll be the bridge between design and … using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers More ❯

BettingJobs are working with an AI-powered B2B marketing company based in London . They are looking for a Frontend Engineer to join their team. Responsibilities: Manage the company’s frontend portal, where users interact with the system. Collaborate with a designer, product manager, and engineering team to: Continuously improve the user experience. Add new features. More ❯

BettingJobs are working with an AI-powered B2B marketing company based in London . They are looking for a Frontend Engineer to join their team. Responsibilities: Manage the company’s frontend portal, where users interact with the system. Collaborate with a designer, product manager, and engineering team to: Continuously improve the user experience. Add new features. More ❯

BettingJobs are working with an AI-powered B2B marketing company based in London . They are looking for a Frontend Engineer to join their team. Responsibilities: Manage the company’s frontend portal, where users interact with the system. Collaborate with a designer, product manager, and engineering team to: Continuously improve the user experience. Add new features. More ❯

BettingJobs are working with an AI-powered B2B marketing company based in London . They are looking for a Frontend Engineer to join their team. Responsibilities: Manage the company’s frontend portal, where users interact with the system. Collaborate with a designer, product manager, and engineering team to: Continuously improve the user experience. Add new features. More ❯

BettingJobs are working with an AI-powered B2B marketing company based in London . They are looking for a Frontend Engineer to join their team. Responsibilities: Manage the company’s frontend portal, where users interact with the system. Collaborate with a designer, product manager, and engineering team to: Continuously improve the user experience. Add new features. More ❯

Principal Product Engineer (Frontend) - React, TypeScript Fast-Growing SaaS Startup 3 days a week onsite in Central London Salary paying £100k - £140k + benefits Oliver Bernard have partnered with an early-stage, venture-backed SaaS company building a cutting-edge workflow orchestration platform used by high-performance teams across logistics, fulfilment, and finance. Think: replacing clunky … with a strong emphasis on the frontend building elegant, intuitive UIs for complex workflows — with real ownership from architecture to launch. The Role: As a Principal Frontend Engineer, you’ll be a key contributor responsible for building powerful frontend experiences and thoughtfully designed systems under the hood. You’ll have the opportunity to work directly with … needed. Are product-minded, user-focused, and comfortable with ambiguity. Thrive in early-stage environments where you help shape both the product and the company. Principal Product Engineer - React, TypeScript More ❯

Principal Product Engineer (Frontend) - React, TypeScript Fast-Growing SaaS Startup 3 days a week onsite in Central London Salary paying £100k - £140k + benefits Oliver Bernard have partnered with an early-stage, venture-backed SaaS company building a cutting-edge workflow orchestration platform used by high-performance teams across logistics, fulfilment, and finance. Think: replacing clunky … with a strong emphasis on the frontend building elegant, intuitive UIs for complex workflows — with real ownership from architecture to launch. The Role: As a Principal Frontend Engineer, you’ll be a key contributor responsible for building powerful frontend experiences and thoughtfully designed systems under the hood. You’ll have the opportunity to work directly with … needed. Are product-minded, user-focused, and comfortable with ambiguity. Thrive in early-stage environments where you help shape both the product and the company. Principal Product Engineer - React, TypeScript More ❯

Frontend Engineer | Cybersecurity Are you ready to build the next generation of user-focused products in cybersecurity? Join a high-performing frontend team that is creating a unified platform to simplify and secure how global organisations view and manage their systems, all through a single pane of glass. Youll play a key role in several greenfield … the world. Alongside a salary of 60,000 - 70,000, youll enjoy excellent benefits, flexible working and an inclusive team that values creativity and personal growth. Frontend Engineer | Cybersecurity More ❯

Frontend Engineer | Cybersecurity Are you ready to build the next generation of user-focused products in cybersecurity? Join a high-performing frontend team that is creating a unified platform to simplify and secure how global organisations view and manage their systems, all through a single pane of glass. Youll play a key role in several greenfield … the world. Alongside a salary of 60,000 - 70,000, youll enjoy excellent benefits, flexible working and an inclusive team that values creativity and personal growth. Frontend Engineer | Cybersecurity More ❯

Staff Product Engineer (Frontend) Central London (3 days per week in-office) Paying £100k – £130k + benefits Oliver Bernard have partnered with a fast-growing, product-led technology business on the search for a Staff Product Engineer (Frontend). This is a pivotal role where you’ll take ownership of core systems … ensure features are valuable and impactful. Balance building new features with making smart technical debt decisions. What We’re Looking For 5+ years’ experience as a Senior Engineer or above, with strong individual contributor skills. Proven track record of leading teams or initiatives — Tech Lead, Staff Engineer, or similar. Deep expertise in … and fast release cycles. A chance to build products that delight customers and set new standards in their space. Please apply now for more information. Staff Product Engineer (Frontend More ❯

Staff Product Engineer (Frontend) Central London (3 days per week in-office) Paying £100k – £130k + benefits Oliver Bernard have partnered with a fast-growing, product-led technology business on the search for a Staff Product Engineer (Frontend). This is a pivotal role where you’ll take ownership of core systems … ensure features are valuable and impactful. Balance building new features with making smart technical debt decisions. What We’re Looking For 5+ years’ experience as a Senior Engineer or above, with strong individual contributor skills. Proven track record of leading teams or initiatives — Tech Lead, Staff Engineer, or similar. Deep expertise in … and fast release cycles. A chance to build products that delight customers and set new standards in their space. Please apply now for more information. Staff Product Engineer (Frontend More ❯

Staff Engineer (ML-Native/Software Engineering) Remote Im currently hiring for a Staff Engineer to join a global tech company thats shaping the future of online safety and digital experiences. This role is ideal for someone who lives at the intersection of machine learning and strong software engineering , and wants to More ❯

Staff Engineer Digital Platforms About the Role We re looking for a Staff Engineer to provide hands-on technical leadership across several engineering teams delivering modern web and mobile applications. You ll play a key role in defining architectural direction, guiding engineering best practices, and enabling scalable, secure, and reliable solutions. You … alignment. Represent engineering in cross-functional planning and design discussions. Contribute to internal communities of practice and knowledge-sharing initiatives. Significant experience in a Senior or Staff Engineer role delivering large-scale web and mobile platforms. Deep proficiency in React and NestJS, including server-side rendering, state management, and API design. Experience designing and … long-term platform evolution. Technical Leadership: Elevates engineering standards through guidance and example. Accountable: Owns outcomes and promotes quality in every stage of delivery. As a Staff Engineer, you ll shape the foundation on which teams deliver value to customers. You ll influence architectural decisions, improve development practices, and help define what technical excellence looks like More ❯