Kostyantyn Pshenychnyy
Founding Engineer at Stealth AI Startup
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolKostyantyn Pshenychnyy is a Founding Engineer and software architect with 7 years of experience building scalable backend systems and AI-driven products from San Francisco. He has led engineering teams and designed microservice architectures at startups and scale-ups, shipping production services across fintech, healthcare, and SaaS domains. At Vitaliti he built a custom RAG system and knowledge graph to power a contextual health assistant, demonstrating a practical blend of ML, systems design, and cost-conscious cloud engineering. His hands-on stack experience spans TypeScript/Node.js, distributed data systems, Kafka/RabbitMQ, Postgres, Redis, and Kubernetes, with repeated responsibility for hiring, release planning, and architecture. Now at a stealth AI startup, he’s applying that product-to-production discipline to novel AI products—comfortable moving between deep technical design and operational leadership. Colleagues would note his pattern of turning complex domain requirements into maintainable microservices and pragmatic ML-enabled features.
7 years of coding experience
11 years of employment as a software developer
Master of Computer Science, Информатика, Master of Computer Science, Информатика at Sumy State University
Русский, English, Українська
Github Skills (20)
sentence-transformers10
api-documentation10
documentation-generator10
docker-compose9
qdrant9
api-blueprint9
swagger9
huggingface9
api9
redoc9
openapi9
docker8
rest-api8
langchain7
ai7
Programming languages (4)
Github contributions (5)
pshenok/book-service
Mar 2020 - Aug 2022
Contributions:14 reviews, 26 PRs, 21 pushes in 2 years 5 months
pshenok/rpc
Mar 2020 - Dec 2021
RPC module
Contributions:4 reviews, 5 PRs, 9 pushes in 1 year 9 months
rpcrpc-server
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