Interface AI
Software Engineer II
San Francisco ยท Mid
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About the role
- The product works, more than 100 financial institutions run on it, and the business is cash-flow positive.
- The job is to carry real scope inside a deliberately lean engineering org - one that serves millions of conversations precisely because every engineer on it ships like it's theirs.
- At our stage speed is the whole game, and the fastest path between a problem and a decision is two engineers at the same desk.
Responsibilities
- Your modules. End-to-end ownership - design, build, eval, ship, iterate. You make the design calls within your module and answer for its quality in production.
- The AI leverage. Build with LLMs daily. Steer agents through the routine work so your time goes to the decisions that matter.
- We're rebuilding interface.ai http://interface.ai as an AI-native company - and the engineering that powers millions of live banking conversations has to be built by people who own what they ship.
- As a Software Engineer II, you own modules end-to-end: the design, the build, the evals, and the quality in production.
- This is not a maintain-someone-else's-code job.
- you spend your time on the design decisions and the evaluation harnesses that prove what shipped is correct.
- Agents take the routine work; you spend your time on the design decisions and the evaluation harnesses that prove what shipped is correct.
- We build in person, from San Francisco.
- ๐ค Claude Enterprise + frontier AI tools for every employee - build with the best
- The team is small enough that your judgment shapes everything, and the market is large enough that what you build will matter for a long time.
Requirements
- ~2-5 years of professional experience - we level on the scope of what you've shipped, not your title.
- Early-engineer experience at a startup - you know what it means to carry scope when the team is small
- Experience in fintech or banking infrastructure
- In a regulated industry, "it looks right" isn't a standard - evals are how you know what shipped is correct.
Benefits
- ๐ฉบ 100% paid health, dental & vision care
- ๐ฐ 401(k) & financial wellness perks
- ๐ช Monthly wellness stipend
- ๐ด Discretionary PTO + paid parental leave
- ๐ง Mental health, wellness & family benefits
- ๐ Commuter benefit
- Founding-team-tier equity, top-of-market base, comprehensive benefits, and a modern San Francisco office worth showing up to.
Company info
- We are in production, generating real revenue, and on a mission that matters: making intelligent financial services available to the millions of people who've never had a private banker.
- Weekly releases to live financial institutions - real customers, real money, real consequences.
- Customers are live, revenue is real, and the mission is one you can explain to your family without a slide deck.
- The ship cadence. Weekly releases to live financial institutions - real customers, real money, real consequences. No demos, no staging purgatory.
Equal opportunity
- equal opportunity employer.
This listing is sourced directly from Interface AI's careers page and normalized into a canonical job model.