Aristogiannis

AI Engineer

I build AI that companies put in front of paying customers. If it doesn't survive production, I'm not interested.

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Experience

Qwest

Co-founder & CTO

May 2025 - Present

  • • My company. AI analytics for hospitality, built from zero
  • • Closed a 95+ hotel chain as pilot — outcompeted funded competitors 100x our size
  • • Awarded by the PM of Greece & OpenAI as one of the best startups in Greece

Wayfor

AI Lead

Sep 2025 - Mar 2026

  • • Turned a traditional LMS into an AI-native platform, scaling to $XM ARR
  • • Led the seed fundraise end-to-end: $XM round at $XXM valuation
  • • Owned the full product lifecycle — design, engineering, launch

Blueground

AI Engineer · Intern → L1 → L2

Nov 2023 - Oct 2025

  • • AI sales agent handling 45k+ inquiries/month, $XM MRR at $Xk/month cost
  • • Youngest hire in a 1,500+ person company. Ranked #1 out of 130 candidates
  • • The humans it replaced cost more and needed coffee breaks

TELUS Digital

Data Analyst

Feb 2023 - Sep 2023

  • • Python + NLP to clean up ML training sets
  • • Improved model accuracy by 68%
  • • First real job. Learned that data > algorithms

New Security DPh

Software Engineer

Mar 2021 - Sep 2022

  • • Built a native Android app as the primary field interface
  • • Optimized SQL databases for critical customer records
  • • Started at 17, because why wait

Sma.Ti.S

Co-founder & CTO

Oct 2019 - Oct 2020

  • • First startup. Built at 15. Transit tickets → QR codes
  • • Full-stack: REST API, QR scanner, Android frontend
  • • It didn't make money but it made me an engineer

Highlights

Awarded by PM of Greece & OpenAI

Named one of the best startups in Greece. Not bad for 21. — 2025

OpenAI × Endeavor Accelerator

21 selected out of 250 startups. — 2025

Y Combinator AI Startup School

Got in from 25,000 applicants. Went to SF. — 2025

First Startup at 15

Built a transit rewards app, full-stack, from scratch. — 2019

B.Sc. Computer Science · University of West Attica (2022–2027)

Say Hello

Let's Talk.

Got something interesting?

aristogiannisphilippis@gmail.com
GitHub·LinkedIn