Hey, I’m Demóstenes. Just call me Demo

Products for web & mobile, with intention.

Senior product engineer. 15+ years turning product bets into proof.

Available for new opportunitiesRemote from Panama City

Results

600K+
members impacted by a platform modernizationCollective Health
500 to 0
severe accessibility findings fixed and verified (manually)Collective Health
70%
fewer UI bugs in two quarters, with a new design systemProductPlan

Trusted atCollective HealthProductPlanBank of AmericaAmex

Outcomes

What changes when I join.

How we’d work
  • Full stack, front to back.

  • Product first, then code.

  • Releases stop being a gamble.

Let’s build your next project.

Tell me what you’re building. I usually reply within a day.

Start a conversation

Let's talk.

Tell me what you're working on and I'll reply from [email protected].