Dmitrii Kolosov
Backend Developer at Semrush
Barcelona, Catalonia, Spain
Summary
🤩
Rockstar🎓
Top SchoolDmitrii Kolosov is a backend developer based in Barcelona with a strong track record building data-intensive services for finance and marketing over the past eight years. He specializes in Python-driven API and ETL systems (FastAPI, Asyncio, SQLAlchemy, Pandas) and operates comfortably across Google Cloud, Kubernetes, Airflow and Terraform to deliver scalable, automated pipelines. At Semrush he focuses on large-scale marketing research data processing and observability, while earlier roles at SAS show experience designing microservices for banks, automating delivery pipelines, and mentoring junior engineers. As a consultant he has shipped full-stack solutions and written practice-oriented technical articles, reflecting both hands-on engineering and a habit of documenting learnings. Though his GitHub footprint is minimal, his Linux orientation and repeated DevOps automation wins hint at deep operational fluency and a preference for pragmatic, production-ready tooling.
4 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Computer Science (Applied Informatics in Economics), Bachelor's degree, Computer Science (Applied Informatics in Economics) at Finance University under the Government of the Russian Federation
English, Russian
Github Skills (114)
codewars10
web-development10
web-platform10
editor10
localization10
electron10
typescript10
visual-studio-code10
microsoft10
artifacts9
statistics9
code-golf9
python9
esoteric-language9
esoteric-programming-language9
Programming languages (17)
Github contributions (5)
Peter-developer01/_
Oct 2024 - Jun 2025
Contributions:224 pushes in 8 months
Peter-developer01/DreamPower
Jul 2023 - Nov 2025
The perfectest coding lang
Contributions:4 PRs, 6 pushes, 1 branch in 2 years 4 months
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