Full Stack Engineer
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Summary
Full Stack Engineer at a payments fintech moving money across Mexico, Peru, and Colombia (expanding to the US), based in-person in Polanco, Mexico City. You design, build, deploy, and operate transaction-path services end to end using TypeScript/Node.js, React, and Kubernetes, integrating banking, payment rail, and custody partners and sharing on-call.
Our Client is building the platform that moves money for our customers across Mexico, Peru, and Colombia, and we're expanding into the US. If you want to own real systems (not tickets), work directly with the CTO, and build something where correctness actually matters, this is for you.
What you'll do:- Design, build, and ship features end to end across our services and customer-facing product
- Work across the transaction path: orders, quotes, payments, payouts, settlement
- Integrate with banking, payment rail, and custody partners, including their failure modes and edge cases
- Own the security and reliability of what you build, and deploy and operate it yourself
- Take part in on-call and help improve our incident response
- 5+ years building and operating production software with real ownership
- Strong TypeScript/Node.js and React
- Experience with Kubernetes and cloud infrastructure, deploying your own services
- Experience building APIs that other systems depend on (failure handling, retries, idempotency)
- Comfortable integrating third-party APIs that are unreliable or poorly documented
- Currently working at a recognized fintech, crypto exchange, payment processor, or neobank
- Professional English
- Based in Mexico City or willing to relocate (in-person, Polanco)
- Competitive salary + medical insurance + stock options
- Direct access to the CTO and real ownership of what you build
- A small, senior team where nobody hands you tickets
If moving money at scale, ownership, and building something real excite you more than process, let's talk.