Mark Litwintschik
Technical Analyst & Author at Green Idea OÜ
Tallinn, Harju maakond, Estonia
Summary
👤
Senior🎓
Top SchoolMark Litwintschik is a seasoned Technical Analyst and consultant with 14 years helping banks, airlines, telcos, retailers and even Formula 1 teams architect modern data platforms and apply AI, GIS and networking at scale. He runs a widely read big data blog where he benchmarks databases on a 1.1 billion‑record dataset—work that has drawn attention from Google, IBM, Intel and Nvidia. Comfortable spanning hands‑on engineering, team building and client-facing strategy, he’s delivered solutions from high‑volume transactional systems to enterprise analytics for clients like Bank of America Merrill Lynch, BT, Google and UBS. Based in Tallinn, he blends deep practical experience with clear technical communication, training clients and teams to turn complex data challenges into business outcomes. An unexpected strength is his independent benchmarking practice, which provides empirically grounded guidance that many vendors and customers rely on.
14 years of coding experience
6 years of employment as a software developer
University College London
English, German
Stackoverflow
12,925reputation
1.2mreached
28answers
33questions
mp4
top-5%
ffmpeg
top-5%
Github Skills (200)
nyc10
automation10
duckdb10
cpp10
big-data10
scheduler10
embedded-database10
data-science10
apache10
sql-database10
python10
etl10
mlops10
database-management10
embedded10
Programming languages (16)
Github contributions (5)
marklit/datafluent_pg
Jul 2021 - Jul 2021
Build a better understanding of your data in PostgreSQL.
Contributions:67 commits, 49 pushes, 1 branch in 3 days
postgresqlbusiness-intelligence
marklit/dotfiles
Sep 2013 - May 2018
Contributions:37 commits, 7 pushes in 4 years 8 months
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