Product engineer · Barcelona
Damián Crespi
I’m a product engineer and hands-on builder. I turn unclear problems into useful, reliable products, with particular depth in frontend architecture and performance.
I live in Barcelona and work at Delivery Hero, building tools that help local shops join delivery platforms.
Now
Outside of work I like shipping small products to see whether an idea actually holds up. Lately that’s meant personal-finance tools and little agents that handle my own notes and reminders.
I’m also open to taking on some freelance or consulting work on the side.
Experience
Delivery Hero
2025–present
Senior frontend engineer
I build acquisition and onboarding tools for grocery and retail partners across delivery brands.
Titan OS
2024–2025
Full-stack tech lead
As the sole engineer on the Partner Portal, I built it from scratch and also created developer tooling and a cross-device JavaScript SDK.
Flat.mx
2022–2024
Tech lead
I rebuilt property products in Next.js and improved their performance, design system, and platform integrations.
Leafnoise
2020–2021
Founding engineer → Engineering manager
I built a multi-tenant commerce platform, then managed the frontend team and created the company design system.
Telecom Argentina
2018–2020
Frontend engineer → Frontend lead
I helped build Flow for web and connected TVs, then led the frontend team for its smart-TV applications.
Leafnoise
2015–2018
Full-stack engineer
I built low-code workflow software, including a dynamic form renderer, and set up the frontend team’s first CI process.
Projects
Descuentazo
I built and run Descuentazo, a deals aggregator for shoppers in Argentina. An LLM pipeline writes the deal copy, and a browser extension converts Amazon prices into pesos.
It reaches more than 35,000 monthly users and earns from affiliate links and ads. Browse the deals at descuentazo.com.ar.