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 long-term contractsRemote 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
StackReactTypeScriptReact NativeNext.jsNode.jsRuby on Rails
Things I’ve built.
All projects
What changes when I join.
How we’d workFull 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.
Book a 30-minute intro (opens in new tab)