Lead Frontend Engineer - Shape Travel UI & Architecture

cozycozy; Paris; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Unlimited coffee and snacks at office

Office in Paris

Stock options

Alan health insurance

Swile card

Job summary

cozycozy is seeking a Lead Frontend Engineer to shape the next generation of our web platform in Paris. You’ll own frontend architecture, ensuring a fast, modular UI across search-to-book flows.

You’ll lead feature development, sometimes in React, collaborate with product and design on accessible, responsive interfaces, and mentor others while shipping high-impact improvements that delight travelers.

Qualifications

• 6+ years frontend or full-stack experience (frontend-focused) with 2+ years leading projects or mentoring.
• Strong TypeScript skills and experience with Angular & RxJS.
• Track record building scalable, performant web apps with clean architecture.
• Experience integrating REST/gRPC APIs and handling complex state management.
• Familiarity with data layers & GTM for analytics/marketing.
• Solid understanding of HTML, CSS, DOM APIs, and responsive web design.
• Motivation to be in an international (English speaking) work environment.
• A product mindset as you think about the traveler experience, not just the code.

Responsibilities

• Own the frontend architecture and keep our Angular platform stable, modular, and high-performing.
• Lead the development of new user-facing features, some of which will be built in React (greenfield projects).
• Collaborate with product and design to implement clean, accessible, and responsive UIs.
• Experiment quickly to ship and test new interfaces, personalization features, and search experiences.
• Mentor and guide, setting coding standards and best practices.
• Raise the bar for performance and UX, making sure every millisecond counts in search.
• Lead frontend initiatives, shaping architecture and high-impact features across projects.

Skills

Frontend architecture

TypeScript

Angular

RxJS

REST/gRPC APIs

State management

HTML/CSS

English environment

Product mindset

Mentoring

Tools

React

Job description

cozycozy is seeking a Lead Frontend Engineer to shape the next generation of our web platform in Paris. You’ll own frontend architecture, ensuring a fast, modular UI across search-to-book flows.

You’ll lead feature development, sometimes in React, collaborate with product and design on accessible, responsive interfaces, and mentor others while shipping high-impact improvements that delight travelers.