AI-enhanced for better readability
River | Senior + Staff Engineers (Elixir, React, ML/AI)
Location: SF or NYC or REMOTE (US, Europe, South America) Type: Full-Time Salary: $150K-$250K + equity
Apply: https://jobs.ashbyhq.com/river
I'm Alex, founder and CEO of River. I also wrote the first line of code and still ship PRs.
About River
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 25,000 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 Projects
Here's what our engineering team is working on:
- Real-time Bitcoin and USD payments, trading, and settlement on an Elixir monolith with a unified GraphQL API
- Next-generation Bitcoin custody with quorum signing, key ceremonies, and geo-redundant infrastructure
- Scaling our ML/AI systems (Python, PyTorch, XGBoost, LLMs) to automate operations and tackle fraud/risk
- A ground-up React and React Native rewrite of our consumer app
- Porting our Lightning Network infrastructure from Go into Elixir
Open Positions
- Senior Software Engineer (React, Full-stack)
- Salary: $150K-$220K
- Staff Software Engineer (Elixir)
- Salary: $200K-$250K
- Staff Software Engineer (ML/AI)
- Salary: $200K-$250K
Apply
Apply at https://jobs.ashbyhq.com/river?utm_source=Zp9nJyqvd4 or email me at alex@river.com and mention HN.