Senior Software Engineer, Payments
Alt
- Salary
- $200k - $220k
- Experience
- 5+ yrs
- Location
- United States
- Job type
- Full-time
Required skills
- Python
- Postgres
- AWS
- Stripe
- Plaid
- Airwallex
- PayPal
- Modern Treasury
- Increase
- Sardine
- Sift
- Stripe Radar
- React
- TypeScript
- Claude Code
- Cursor
- MCP
About the role
5+ years backend experience with Python, Postgres, AWS; real money movement experience (ACH, RTP, wires); multiple payment provider integrations; API-native with webhooks and idempotency; strong SQL; marketplace experience; reliability obsession.
About Alt
Private trading-card marketplace for collectors to buy, sell, vault, and value graded cards.
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