Denis Dorozhkin
Member Of Technical Staff (Backend Lead) at xAI
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolDenis Dorozhkin is a seasoned backend tech lead with over a decade of experience designing and scaling high-throughput distributed systems, currently leading backend at xAI after driving Mercari’s search platform supporting 400M+ items. Equally split between management and hands-on engineering, he builds teams up to 12 engineers, mentors, hires, and aligns individual motivations to business outcomes while staying deeply involved in code. He specializes in Go and Python, performance optimization, re-architecting legacy systems, and database tuning that has saved teams millions and dramatically reduced CPU/memory usage in production. His background spans ad tech (500K RPS), fintech trading platforms, and large consumer marketplaces, with measurable impacts such as a 5% GMV uplift from search improvements. A pragmatic advocate for strict engineering standards and strategic AI adoption, he also brings a strong understanding of blockchain and DeFi mechanics to system design decisions.
10 years of coding experience
9 years of employment as a software developer
Bachelor's degree, Computer Science, 3.66/4 (GPA USA), 4.57 (GPA RUSSIA), Bachelor's degree, Computer Science, 3.66/4 (GPA USA), 4.57 (GPA RUSSIA) at Lomonosov Moscow State University
Russian, English, French, Japanese
Github Skills (186)
python10
saml10
authentication10
xadmin10
runner10
login-system10
django10
docker-compose10
elk10
logstash10
golang10
orm-library10
database10
voting10
django-project10
Programming languages (6)
Github contributions (5)
DoubleDi/golang_projects
Sep 2018 - Sep 2022
Contributions:15 pushes, 1 branch in 4 years
DoubleDi/python_projects
Jan 2019 - Jan 2023
Contributions:19 pushes, 1 branch in 4 years
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