Founder Projects
Current Ventures
See all case studies →Habit Coach AI
Founder · 2025 → now
An AI accountability coach that calls, texts, and adapts. Grew out of a personal habit around calling myself every night at 10pm.
Big Boulder Studios
Founder
The consulting umbrella for the interesting client work — voice AI, growth engineering, data pipelines, whatever ships fastest.
Client Work
Consulting
See all case studies →Cumulus Coffee
Solo Shopify Consultant
Replaced a full agency as sole developer. Ran BFCM launches, fixed accessibility, and stood up a Fivetran → BigQuery → Looker pipeline to replace expensive SaaS analytics.
Read case study →Citizen Health
Growth & Product Engineer
Full-stack growth engineering across onboarding, partnership pages, SSO, analytics, and support surface for a healthcare startup. Through Big Boulder Studios.
Read case study →Fable Pets
AI Architect
Designed the compositional AI chatbot and full serverless backend for a pet-care startup. Onboarding, recommendations, memory via Pinecone, Twilio SMS. Architecture solid, market wasn’t.
Read case study →Games & Experiments
Things I've Built
🔫 Explore in Doom ModeStellar Drift
3D space exploration in the browser. Pilot a starfighter through the Heliad system, then land on any of five planets and explore each on foot. Weapons, upgrades, artifacts.
Ninja Vendetta
N-style combat platformer — the wall-jump momentum physics of the classic, plus weapons, cooldown abilities, six enemy types, and local 2-player versus. 16 levels across 4 worlds.
32 Games, One Button
32 micro-games, one control. Pong, duels, climbing, sumo — every battle is played with a single button and timing is everything.
Aquarium Tycoon
Build and manage your dream aquarium. Design tanks, breed fish, discover rare species, and create an underwater paradise. Zen gameplay with real aquarium ecology.
NoteRunner
Music-driven platformer. Play guitar or bass into your mic to control the character — each string is a lane.
Read Case Study →Juggling Progression Chart
Master juggling patterns with visual guides and rhythm training. From 3-ball cascade to complex siteswaps, learn the fundamentals then tackle challenges.
Orbitz
Gravity puzzle game inspired by a Denver Museum demo. Slingshot asteroids through gravitational fields. Built in a week with friends using Claude 3.5.
Read Case Study →Ukraine Chronicles
Interactive historical map exploring Ukrainian borders, culture, and people from the 6th century through modern independence. Scrub through time and watch history unfold.
Read Case Study →MyEcoReporter
AI-powered tool for disaster response and environmental monitoring. Published research.
Published in J. Exposure Science & Env. Epidemiology (Chiu et al., 2025)
Read Case Study →Karaoke Smash
AI-generated parodies of any song about any topic. Type a topic, pick a song, get instant singable custom lyrics. Caught attention from the Guitar Hero licensing world.
Phone AI
AI-powered phone conversations. Natural voice interactions with intelligent agents.
Read Case Study →Japan Akiya Project
Buying an abandoned house in Otaru, Japan. Property research, financial modeling, renovation planning — the full due diligence stack.
Read Case Study →AutoSquirt
Last year I sprayed people with water at Burning Man and got nicknamed "Mister Mister." This year I'm building a robot to do it for me. Work in progress.
Read Case Study →Thoughts & Research
Writing
ECHA Read-Across Rejection Analysis
Analysis of 1,325 rejected read-across hypotheses from ECHA compliance check decisions (2010–2024). Systematic patterns in why registrants' RAAF arguments fail.
Why I Built Habit Coach AI
From ADHD chaos to building an AI accountability coach — hiring a random Ukrainian guy to call me every night at 10pm changed everything.
TAMU Talk — AI in Product
Texas A&M presentation on building AI-powered products and integrating research tools into real workflows.
Background
Experience
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Big Boulder Studios
Founder — voice AI & future-forward technology, from idea to launch.
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Eight Sleep
Director of Product — oversaw Web and Mobile through the $10M → $100M+ revenue run at the world's first sleep fitness company.
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Macedon Technologies
Consultant — enterprise process automation and workflow optimization.
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UNC Chapel Hill
CS & Entrepreneurship — built UNC's first entrepreneurship club from scratch to 100+ members.
About
Hey
Ukrainian, based in Denver.
Founder and product person who codes. Currently building Habit Coach AI, doing consulting through Big Boulder Studios, and making weird side projects. Before that I was Director of Product at Eight Sleep.
Most of what's on this site started as a weekend project that got out of hand.
Let's Build
What's Next
Looking to collaborate on something ambitious? I'm always interested in bold ideas.