Senior Mobile Engineer

Hi there

WeWard is the app that rewards you for walking and turns everyday steps into real-life rewards, connections, & positive impact

Our mission is to help people move more, feel better, and make movement meaningful.

Today, we are trusted by 25M+ users worldwide, with a fast-growing, international team and offices in Paris and New York.

Our ambition is to build the world's leading movement-and-rewards platform, scaling globally while using technology, data, and smart incentives to drive lasting behavior change and wellbeing at scale.

WeWard's Monetization team drives revenue initiatives across iOS and Android with a data-driven and results-focused mindset. As WeWard's Senior Monetization Engineer, you'll take the reins of building the systems that power our revenue engine.

Your impact/responsabilities

As a Senior Mobile Engineer for the Monetization team at WeWard, you will build world-class monetization experiences that balance user value with sustainable revenue You'll be responsible for developing and optimizing solutions that achieve our ambitious revenue goals by focusing on:

• Advertising Integration & Optimization - Design, build, and optimize our advertising infrastructure including interstitial and rewarded ads. Work with SDKs like AppLovin, AdMob, and other major ad networks to maximize revenue while preserving user experience.

• Premium Subscription Growth - Build data-driven experiences that optimize conversion rates for our premium subscriptions. Create compelling upgrade flows and implement platform-specific IAP solutions on iOS and Android.

• Affiliate Marketing - Develop and integrate affiliate marketing solutions that create new revenue streams while adding value for our users.

• Performance & Scalability - Ensure our monetization solutions are performant, scalable, and maintainable as we continue our rapid growth.

Our commitments

•  SUCCEED — You'll join a team of passionate people who share values of ambition and determination

•  TRUST — We give you real autonomy, trusting you to reach your goals in your own way

•  EXPLORE — You'll grow in a culture that's constantly evolving and curious about what's next

•  PROGRESS — We'll support you through challenges, learn from mistakes, and move forward together

•  SMILE — And every day, you'll be part of a fun and positive environment where humor is always welcome

You're the perfect match if…

• BS/MS degree in Computer Science or equivalent professional experience.

• Proficiency in TypeScript. Familiar with Swift and Kotlin. We're a React Native shop with native Android and iOS modules.

• Hands-on experience integrating and managing mobile SDKs on both iOS and Android platforms.

• Understanding of mobile monetization mechanics: IAPs, subscriptions, and ad mediation.

• Ability to understand and debug large and complex codebases.

• Good team communication and collaboration skills.

• Fluent in English. You will collaborate with our US team on a daily basis.

• Bonus:

  
  • Previous experience with subscription management platforms (RevenueCat, or similar).

  
  • Previous experience with advertising SDKs (AppLovin, AdMob, ironSource, Unity Ads, or similar).

  
  • Familiar with A/B testing and A/B testing best practices.

  
  • Previous experience in a high-growth consumer app environment.

If this sounds like you, apply — we'd love to meet you.

• A global, mission-driven team with teammates in Paris, NY, London, Boston

• A healthy work/life balance (we walk the talk)

• Annual learning & dev budget (you grow, we grow)

• Hybrid work, with 2 days of remote work per week

• (Really, really) Cool office in central Paris with snacks, a walking desk and a huge Wardy hanging around

1. 30-min technical chat with your future manager from the Front team — to dive into the role and missions.

2. At-home case study followed by a 1 hour debrief with the Tech team, including time for mutual feedback.

3. 30-min call with Kaënaath, our Talent Acquisition Specialist — to discuss your background, expectations, and introduce you to WeWard.

4. Office tour to meet other team members.

And if it's a match… Welcome to the adventure