TIM HILGENSTÖHLER
PRINCIPAL PRODUCT ENGINEER · FRACTIONAL CTO
REACT NATIVE · FULL-STACK · AI
I build and scale ambitious digital products — from early prototypes to production systems used by thousands.
Currently CTO & Co-Founder at Grido.ai, creator of JUST LOOT, and available for selected freelance and fractional engagements.
17+ Years BuildingSeries A Head of Engineering15+ Products & TeamsFounder · CTO · Indie Builder
WHAT I DO
0 → 1 PRODUCT DEVELOPMENT
REACT NATIVE APPS
FULL-STACK PRODUCT ENGINEERING
AI / LLM INTEGRATIONS
FRACTIONAL CTO / TECH LEAD
From idea to production — hands-on.
I BUILD WITH
REACT NATIVE
NEXT.JS
TYPESCRIPT
SUPABASE
NODE.JS
HONO
LLMs
Production-ready, fast, and scalable.
SELECTED WORK
JUST LOOT - MOBILE RPG
BUILT FROM ZERO. PLAYED BY THOUSANDS.
REACT NATIVE · EXPO · SUPABASE · TYPESCRIPT · REVENUECAT · LIVE OPS
justloot.app
GRIDO - AI HEALTH EDUCATION COMPANION
THE HEALTH COMPANION THAT ACTUALLY UNDERSTANDS YOU
REACT NATIVE · NEXT.JS · SUPABASE · HONO · MISTRAL AI · POSTHOG · SENTRY
grido.ai
ORDIO - B2B WORKFORCE MANAGEMENT (SERIES A)
HEAD OF ENGINEERING · TEAM BUILDING (0→15) · SERIES A · 80K DAU
REACT NATIVE · NEXT.JS · PRODUCT EXPERIMENTATION · ANALYTICS (POSTHOG) · MOBILE QUALITY
ordio.com
CONTINUUM - FITNESS & HEALTH TRACKING APP FOR A PREMIUM NYC GYM
BUILT WITH A LIVE PREMIUM GYM IN NYC · PRODUCT · ENGINEERING
REACT NATIVE · FIREBASE · HEALTHKIT · OURA INTEGRATION
MULDOONEYS PARIS - E-COMMERCE STORE & NFT COLLECTION
FRACTIONAL CTO – END-TO-END PRODUCT & BLOCKCHAIN ARCHITECTURE
NEXT.JS · STRIPE · SOLIDITY · ERC-721 SMART CONTRACTS · ON-CHAIN MINTING · WEB3 WALLET INTEGRATION
muldooneys.com
SELECTED ENTERPRISE & STARTUP CLIENTS
CONTACT
Available for select freelance & interim roles.