AI-enhanced for better readability
Staff Engineer (Elixir) - River
Location: NYC or REMOTE (US, Europe, South America)
Type: Full-Time
Compensation: $200K–$250K + equity
Apply: River Careers Page
About River
I'm Alex, founder and CEO of River. I also wrote the first line of code and still ship PRs.
River is a client-first Bitcoin-only financial institution building the financial app people use every day to save in bitcoin and spend in dollars. We custody over 33,000 BTC, serve individuals and businesses across the U.S., and are profitable. We publish cryptographic proof of reserves monthly and our company financials annually.
Engineering Initiatives
Our engineering team is currently focused on the following projects:
- Real-time Payments: Building Bitcoin and USD payments, trading, and settlement on an Elixir monolith with a unified GraphQL API.
- Bitcoin Custody: Developing next-generation custody solutions with quorum signing, key ceremonies, and geo-redundant infrastructure.
- ML/AI Systems: Scaling our systems (Python, PyTorch, XGBoost, LLMs) to automate operations and tackle fraud/risk.
- App Development: A ground-up React and React Native rewrite of our consumer app.
- Infrastructure: Porting our Lightning Network infrastructure from Go into Elixir.
Open Positions
- Staff Software Engineer (Elixir): $200K–$250K
Apply here: https://jobs.ashbyhq.com/river/610f652b-bdb9-4d82-9973-680ba654878e