QA Engineer - Mobile, App - B2C

cozycozy.com; Paris; On-site; EUR 45,000 - 65,000; Full time

Job summary

Cozycozy is looking for a hands-on QA Engineer to ensure the platform stays reliable across web, mobile web, iOS, and Android. You will own test plans, release validation, and drive quality improvements in a fast-paced product environment, working closely with Product, Design and Engineering teams in Paris.

You’ll monitor quality, detect regressions, and own bug tracking while collaborating across markets. This role emphasizes a user-first approach and measurable quality improvements.

Qualifications

• Hands-on QA Engineer in a fast-paced product environment.
• Own both reliability and release quality, balancing speed and quality.
• Collaborate daily with Product, Design and Engineering teams.

Responsibilities

• Day-to-day reliability: monitor quality across web, mobile web, iOS and Android; detect regressions; own bug tracking; serve as first line of defense in production.
• Release quality: define and execute test plans (functional, regression, exploratory); lead validation before releases; ensure quality across platforms and markets.
• Continuous improvement: improve QA processes; contribute to test automation on web and mobile; track quality metrics (defect rate, coverage, release quality).
• Be a user-first advocate in every product discussion; make quality visible to Product and leadership.

Skills

Test planning

Regression testing

Exploratory testing

Bug tracking

Automation awareness

Job description

Cozycozy is the only platform that gives you real-time access to all available holiday accommodation. Whether you're searching for a hotel, apartment, hostel, villa, or even a treehouse, our service features over 20 million listings from over 100 booking sites.

You will find popular options like Airbnb, Booking, Abritel and Expedia, as well as plenty of specialized marketplaces to explore. Experiencing rapid growth, we are now present in over 50 countries in 20 languages, with offices in Paris and Budapest. You’ll be part of an international team (with 12 nationalities represented) that’s passionate about travel and innovation.

By joining cozycozy, you’ll have the opportunity to make a real impact by helping millions of travelers worldwide find their perfect accommodation!

About the role

We are looking for a hands-on QA Engineer who thrives in a fast-paced product environment.

Your job is twofold: keep the platform running reliably every day, and ensure every feature we ship meets a high quality bar. Both matter equally, and you'll own both.

You'll work closely with Product, Design and Engineering on a daily basis.

Your mission

Your role will be structured across 3 key areas:

Day-to-day reliability

• Monitor platform quality across web, mobile web, iOS, and Android

• Detect and elevate regressions before users do

• Own bug tracking from identification to resolution

• Be the first line of defense when something breaks in production

Release quality

• Define and execute test plans (functional, regression, exploratory)

• Lead validation phases before each release

• Make pragmatic quality trade-offs under time pressure

• Ensure consistent quality across all platforms and markets

Continuous improvement

• Improve QA processes

• Contribute to test automation on web and mobile

• Help define and track quality metrics (defect rate, coverage, release quality)

• Be a user-first advocate in every product discussion

• Make quality visible and measurable for Product and leadership