Topical hub
Production React Native and Expo apps for startups and enterprises — MVP to scale, App Store launch, architecture, and rescue projects.
$25K–$150K
$40K–$200K
$30K–$180K
$10K–$75K
$15K–$100K
$20K–$120K
$20K–$100K
$25K–$200K
$30K–$150K
$25K–$150K
$15K–$60K
$20K–$100K
Chat-Based Financial Collaboration
Contributed 50+ merged pull requests to New Expensify — the production React Native app used by millions for chat-based expense management — working through Expensify's fully public open-source process alongside their core engineers, and recognized with a Guest Engineer invitation to their Curaçao offsite.
Rewards & Engagement Platform
End-to-end React Native app for the US market with gamified rewards, real-time engagement, and secure payment flows — built from product scoping to App Store launch.
Fitness & Performance Tracking
Performance-optimized fitness app with GPS tracking, workout analytics, and offline-first architecture for athletes who train without reliable connectivity.
30-minute scoping call · Clear milestones · Senior engineer ownership