Senior Frontend Engineer - Monetization & Reward Pillar (FR)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.
Reporting directly to Ivan, you'll work as a Senior Mobile Engineer on the pillar that turns WeWard's promise — walk, and get rewarded — into a delightful, trustworthy experience.
WeWard rewards walking — the Monetization & Reward Pillar is where those rewards come to life. We turn user engagement into real value through partners, affiliation and advertising, and we hand that value back to users as Wards. Your job is to make earning and spending Wards feel effortless, generous, and worth opening the app for.
You'll face the challenge of operating a large-scale international consumer app handling billions of interactions and strong peaks of activity every day, where the experience has to feel fast, fair, and trustworthy because real money is flowing back to real users.
The Monetization & Reward Pillar works on 3 core ambitions:
A rewarding experience — make earning and spending Wards feel effortless, generous, and worth coming back for.
Conversion that funds the mission — craft reward and partner journeys that users love and that sustain the whole reward economy.
Integrity & trust — surface rewards, offers, and balances in a way users can always trust, because every Ward maps to real value.
Your impact/responsibilities
As a Senior Mobile Engineer inside the Monetization & Reward Pillar, you will:
Ship and own
Ship mobile features end-to-end on iOS and Android
Lead the reward experiences — the reward store/catalog, partner & affiliation journeys, earning and spending Wards
Build conversion-focused flows and experiments that grow monetization while keeping the experience generous and fair
Drive technical excellence
Optimise performance, load times, and resilience on screens that drive real revenue
Contribute to pillar-level architecture with the CTO and Engineering Manager
Spot fragile areas, debt, and integration risks early
Reduce long-term debt without derailing the roadmap
Collaborate and mentor
Frame trade-offs with Product, Design, and the monetization team
Guide pillar engineers on complex technical decisions
Our app is built with React Native and TypeScript, with native Android (Kotlin) and iOS (Swift) modules where it matters.
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…
You have 5+ years of experience as a Mobile Engineer, with strong proficiency in TypeScript and React Native, and hands-on experience shipping production apps at scale
You're able to understand and debug large, complex codebases — and you enjoy it
You care about conversion, performance, and detail — the difference between a good and a great reward experience
You can leverage AI and are eager to grow your skills with it
You love combining continuous improvement and agility, always bringing new ideas to the table. At WeWard, our spirit is Test & Learn — we trust you to experiment (we deploy to production more than ten times a week!)
You have a natural interest in the startup world and want to make a tangible impact in your next adventure
You're motivated by working close to the business — rewards, conversion, and the trust users place in us
You're eager to evolve in an international environment — we have offices in NYC and operate worldwide.
Bonus
Experience with monetization, e-commerce, in-app purchases, paywalls, or reward/loyalty mechanics
Experience running A/B tests and conversion experiments on mobile
Familiarity with mobile observability and monitoring tools (Sentry, Datadog, Firebase…)
Passionate about clean, well-tested, and maintainable code. Takes ownership and pride in code quality.
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
30-min technical chat with your future manager — to dive into the role and missions.
At-home case study followed by a 1 hour debrief with 3 collaborators, including time for mutual feedback.
30-min call with Kaënaath, our Talent Acquisition Specialist — to discuss your background, expectations, and answer your last questions about WeWard!
Office tour to meet other team members.
And if it’s a match… Welcome to the adventure!