Amara Okonkwo
Senior Product Engineer
Brooklyn, NY amara@okonkwo.dev +1 (415) 555-0193 okonkwo.dev linkedin.com/in/aokonkwo
Summary
Product-minded engineer with 8+ years shipping consumer fintech at scale. Led the Stripe Checkout redesign that lifted conversion 14% across 47 countries. Strong opinions on type-safe systems, design tokens, and resumes that actually parse.
Experience
Senior Product Engineer · Payments
Stripe - Remote
Jan 2022 - Present
- Led 6-engineer team rebuilding Checkout — lifted conversion 14% across 47 countries (+$220M annualized GMV).
- Migrated the legacy Elements SDK from Flow to TypeScript; cut runtime errors 73% and unblocked 11 enterprise customers.
- Designed the experimentation framework now used by 240 engineers; reduced average ship time from 3 weeks to 4 days.
Senior Software Engineer · Editor
Notion - San Francisco, CA
Apr 2019 - Dec 2021
- Architected real-time collaborative cursor system serving 8M DAUs at < 80ms p95 latency.
- Owned the table block rewrite — used by 62% of paid users and credited with a 9pt NPS lift.
Software Engineer · Cash App
Square - San Francisco, CA
Jul 2017 - Mar 2019
- Built the Boost rewards engine processing 40M transactions/day with 99.997% uptime.
- Shipped the iOS dark mode rollout 6 weeks ahead of Apple's release, earning press in The Verge.
Skills
TypeScript / React / Node.js / GraphQL / Stripe SDK / PostgreSQL / Kubernetes / Figma / A/B testing
Education
Carnegie Mellon University
B.S. Computer Science · minor in HCI
2013 - 2017