Roman Nosachov
Founder & Lead Architect at NDA
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolRoman Nosachov is a founder and lead architect with 9 years of experience building high-integrity, high-performance distributed systems using Java/Kotlin, Reactive Java 21, and Spring Boot. He designs scalable architectures that turn complex domains into navigable Directed Acyclic Knowledge Graphs and low-latency ad-serving platforms, balancing immediate business needs with long-term durability. Roman has driven measurable product impact—doubling cross-sell rates via ML-driven recommendations and engineering ETL systems handling 60k+ orders/day—while also leading integrations with global DSPs and third-party platforms. Based in San Francisco, he blends hands-on engineering with strategic vision, creating an engineering lab focused on "Order in Complexity." An active open-source practitioner, he built a modular IoT home server with offline ASR and MQTT integration, signaling a practical bent for embedded and real-world systems. He brings entrepreneurially minded technical leadership that spans core infrastructure, AI-enabled features, and scalable product architectures.
9 years of coding experience
8 years of employment as a software developer
Bachelor of Engineering - BE Computer Software Engineering, Bachelor of Engineering - BE Computer Software Engineering at Donetsk National Technical University
English, Русский, Украинский
Github Skills (40)
maven9
jpa8
javafx8
java8
letter8
foundation7
application-server7
java-server7
domoticz7
client-server7
hibernate7
azure-ad-b2c7
database7
orm6
authentication6
Programming languages (4)
Github contributions (5)
RomanNosachev/Sherman2D
Mar 2017 - May 2017
Contributions:69 commits, 4 PRs, 67 pushes in 1 month
2d-gameballisticsgamegame-development
RomanNosachev/WittyServer
Nov 2019 - Jun 2020
Contributions:2 releases, 41 commits, 32 PRs in 6 months
voice-controlmqtthome-automationjava-serversmarthome
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