Ivan Tkalin
Software Engineer at Wolt
Germany
Summary
👤
Senior🎓
Top SchoolIvan Tkalin is a seasoned Software Engineer based in Germany with 16 years of engineering experience and over a decade specializing in backend, frontend, and data-intensive systems. He has shipped production data pipelines and financial reporting systems at scale—most recently at Wolt and previously leading royalties and Creator Insights efforts at SoundCloud using Scala, BigQuery, Airflow and Python. Comfortable across stacks, he has built APIs and SPAs with Ruby on Rails, React/ES6 and maintained legacy Spark/Ruby systems while driving migrations to modern data platforms. Ivan blends deep technical pragmatism with product-focused delivery, often tackling the intersection of data engineering and backend services to turn complex reporting requirements into reliable, automated workflows.
16 years of coding experience
17 years of employment as a software developer
Master of Science (M.S.), Computer Engineering, Master of Science (M.S.), Computer Engineering at Saint-Petersburg State University Information Technologies, Mechanic and Optics (University ITMO)
Russian, English, German
Stackoverflow
1,411reputation
108kreached
37answers
0questions
Github Skills (67)
tuple10
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file-manager10
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filetype10
async9
guard9
coc-nvim9
Programming languages (7)
Github contributions (5)
ivalkeen/ivalkeen.github.com
Jan 2015 - Feb 2020
Contributions:75 pushes, 5 branches in 5 years 1 month
ivalkeen/guard-ctags-bundler
Oct 2011 - Sep 2015
Contributions:63 commits, 3 PRs, 7 pushes in 4 years
bundlectagsrubygemsgem
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