Senior / Staff-Level Engineer
Santiago
Bustamante
Product-driven mobile & client architecture.
12+ years building at scale.
Senior / Staff-Level Engineer
Product-driven mobile & client architecture.
12+ years building at scale.
About
Engineer with 12+ years building and scaling mobile products end-to-end. At the senior and staff level, I drive architectural decisions, shape technical strategy, and bridge the gap between product vision and engineering execution.
My focus: iOS and client-side architecture at scale, with a product-first mindset across startups and established teams worldwide.
What I Do
System design, platform strategy, iOS & Swift at scale.
Translating product vision into technical execution.
Architectural ownership, mentoring, cross-team influence.
Portfolio
Digital wellness app combining NFC hardware with iOS to block distracting apps. 4.9★ with 34K+ reviews.
Europe's multi-mobility app across 9 countries. Worked on rider app B2B area: payment flows, A/B testing, feature flags. 4.8★ with 50K+ reviews.
Enterprise observability platform. Built the Mobile SDK instrumenting iOS and Android apps for performance monitoring.
The largest social network for investors and traders with real-time market insights. 4.8★ with 165K+ reviews.
Digital wallet and cardless payment platform in Peru. Led mobile team, architecture, and vendor negotiations.
Colombian mobile wallet with virtual Visa debit, QR payments at 400K+ merchants.
Employee financial wellness platform with personalized guidance. First enterprise client: Meta.
Digital health platform connecting patients with fertility specialists. Led iOS and Android teams, defining mobile architecture.
Alternative asset investment platform for fractional equity in collectibles. Featured in NYT, WSJ, Forbes. 4.8★.
And many more projects…
12+ years of mobile products across startups and enterprises worldwide