The engine is live and the whole system is one person. You would be the second, and the first who owns the technical direction.
What you would own
- The rule engine and its decision API — correctness here is the product
- Card issuing integration once the BIN sponsorship lands
- The call on what gets built and what gets bought
- The engineering standard, because you will hire against it
What we need
- You have run payments, ledgers or authorization systems before
- You have been the person accountable when money moved incorrectly
- You hold correctness and shipping speed at once
- You are comfortable with no team and no process yet
Pre-revenue and pre-BIN. If that reads as too early, it might be, and that is fair.
Work across the whole thing: the rule engine, the decision API, the sandbox, and the integrations underneath. Small enough that “the whole thing” is literal.
What you would own
- Rule evaluation — sixteen kinds today, every one running on every purchase
- The public decision API, which has to be fast and has to be right
- The sandbox: four ways to build one rulebook, all on the real engine
- Webhooks, ledgers and reconciliation
What we need
- Strong backend engineering where being wrong costs money
- You write the test before the clever refactor
- You can find the bug that only appears on the sixteenth rule
- Payments experience is a bonus, not a requirement
Not a big team, not a defined roadmap, and nobody will hand you tickets.
For someone who wants range over depth. One week it is rule evaluation. The next it is the sandbox UI, or DNS, or the docs page nobody wants to write.
What you would own
- Ship across the engine, the API and the front end
- Own things end to end — build it, deploy it, watch it, fix it
- Talk to the people using it, because there is nobody in between
- Notice what is broken and fix it without being asked
What we need
- You have shipped something real that people used
- You would rather learn four things well than one thing perfectly
- You are comfortable with ambiguity, because most of this is ambiguous
- You have worked somewhere small, or you want to
We do not need a specific stack. If you can learn ours, that is enough.
Engineering Intern
Part-time · paid · St. Louis
How to apply
You would work on the real product. There is no separate intern project, because there is no team big enough to build one.
What you would own
- Add rule kinds to the engine and write the tests that prove them
- Improve the sandbox — every one of its four modes has rough edges
- Write documentation for an API that is still forming
- Break things on purpose and report what broke
What we need
- You can write code and read code you did not write
- You ask when you are stuck instead of disappearing for three days
- You are curious about payments, or willing to become so
Paid. We are not running an unpaid internship. Hours flex around classes.
We have a product with a genuinely strange story and almost nobody has heard it. You would help tell it.
What you would own
- Draft and ship posts on LinkedIn and X
- Find the places people describe this problem in their own words
- Turn the product into things people can see — demos, recordings, comparisons
- Watch what works, because we now have the analytics to tell
What we need
- You write clearly. This matters more than any tool you know.
- You have built an audience for something, even a small one
- You would rather ship ten rough posts than plan one perfect campaign
No marketing degree needed. Paid, and hours flex around classes.
Read this first: card issuing is not live. You would not be selling a shipping product. You would find the people who need it and build the pipeline for day one.
What you would own
- Find companies handing spending authority to software and start real conversations
- Reserved places in the first cohort — $50 covers your first month when issuing opens and locks $199/mo for your first 12 months
- Bring back what people actually say, including where we are wrong
- The first repeatable version of how this gets sold
What we need
- You have sold something technical to technical buyers
- You are comfortable saying “not yet” about issuing
- You can start from nothing: no inbound, no list, no brand
- You would rather have twenty real conversations than two hundred sends
Base plus commission on reserved places and first-year revenue, plus equity.