Summary
Sergei Stadnik is an AI Engineer and former QA co-founder with 10 years of experience blending hands-on machine learning, Go microservices, and deep testing expertise across web, cloud, mobile and regulated domains. Based in Phoenix, he builds and trains models (Kohya LoRA, CNNs), develops prompt and avatar pipelines (Tortoise-TTS, ElevenLabs, D-ID, HeyGen), and writes production Go services and Telegram bots. His background in QA and test automation informs a practical, metrics-driven approach to model validation, malware classification from packet captures, and ensuring AI outputs pass human-AI detection checks. A polyglot in tools and languages, he pairs Python data tooling (scapy, numpy, pandas, scikit-learn) with Golang systems work and Dockerized deployments. Outside of engineering, he co-founded Cohesive Bits and contributes under monkrus to public AI tooling and experiments that explore the frontier between creative deepfakes and ethical detection.
9 years of coding experience
9 years of employment as a software developer
Certificate, Blockchain Development, Certificate, Blockchain Development at B9lab Academy
Certificate, Software Testing, Certificate, Software Testing at Portnov Computer School
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Lakewood College
English, Russian, Estonian, Spanish, Swedish