01. Hello, I’m Alex.
I build softwarereal world.
I build products from scratch and improve them with real user insight and product data.
My work spans ML monitoring, fintech, mobile apps, and backend systems.
01 type Developer = {
02 name: 'Alex Cuenca' ,
03 role: 'Senior Full Stack' ,
04 domains: [
05 'ML monitoring' , 'Fintech' ,
06 'Mobile apps' , 'Backend systems'
07 ],
08 buildingSince: '2015'
09 }
10
11 export default Developer
main* Product engineering Ln 11, Col 25
✓ tests passing
↗ deployed 2m ago
TypeScript React Node.js Go PostgreSQL Cloudflare Docker AWS
02. Selected work
Products I’ve helped ship. Product engineering across ML monitoring, investing, and financial wellness—from zero to launch and beyond.
FEB 2023 — PRESENT
Model performance ● Monitoring
ESTIMATED 0.94
REFERENCE 0.92
NannyML 01 Senior Full Stack
Built from scratch a frontend application for monitoring ML model performance using NannyML’s open-source library. Collaborated on the backend architecture needed to support the frontend application. DEC 2020 — NOV 2022
Account opening COMPLETION
Before 20%
After 40%
+100% improvement through product iteration
Vest 02 Senior Full Stack → Technical Product Owner
Built and launched the mobile app on the App Store and Google Play; it grew to more than 50,000 downloads. Doubled brokerage account-opening completion from 20% to 40% through A/B tests, UX research, and product iteration. Managed a three-person onboarding team and built a back office that cut support resolution from days to minutes. APR 2019 — NOV 2020
User conversion 30% → 50%
Segmentation Email Push
Minu 03 Founding Engineer → Senior Full Stack
Built and launched the mobile app from scratch; it grew to more than 100,000 downloads across both app stores. Created user segmentation and messaging services that increased new-user conversion from 30% to 50%. Designed local payment integrations that unlocked major clients and more than 10,000 new users. 03. Work & experience
Building products from zero to scale.
I’m a senior full-stack engineer with experience across ML monitoring, fintech, mobile
apps, and backend systems. I’ve built products from scratch, led an onboarding team,
and used research and experimentation to improve real customer outcomes.
More about me → // RECENT EXPERIENCE
DEC 2020 — NOV 2022 Senior Full Stack → Technical Product Owner Vest ↗ APR 2019 — NOV 2020 Founding Engineer → Senior Full Stack Minu ↗ // EARLIER WORK
2016 — 2017 Full Stack Developer Steed
MAY 2016 — APR 2017 Backend Developer TURN International
NOV 2015 — MAY 2016 Full Stack Developer Mimoni
MAR 2015 — APR 2016 Backend Developer Yalku