Nikita Klein
Senior Software Engineer Financial Services Activation Squad
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolNikita Klein is a Senior Software Engineer with 10 years of experience building scalable financial platforms, currently shaping Pennylane’s financial Operating System for European SMEs. He specializes in Ruby on Rails, React, and TypeScript, and has a track record of leading complex code-design initiatives—most notably architecting asynchronous journal generation and intercompany reconciliation modules that enabled bulk updates across billion-row datasets. Previously at Bilendo he transformed a business app into an enterprise-grade credit management platform, speeding up data ingestion and integrating diverse banking protocols. Nikita combines hands-on full‑stack delivery with mentoring and culture-building, and often translates accounting-domain complexity into performant, auditor-friendly features such as PDF/Excel exports and tax integration flows. Based in Tallinn, he pairs a business administration background and web development training with practical entrepreneurial experience from running a retail business, which informs his product-minded engineering approach.
10 years of coding experience
16 years of employment as a software developer
Bachelor's degree Energy use, Bachelor's degree Energy use at Estonian University of Life SciencesProfessional Web Development, Professional Web Development at MakersBachelor of Applied Science (B.A.Sc.) Business Administration and Management General, Bachelor of Applied Science (B.A.Sc.) Business Administration and Management General at Estonian Entrepreneurship University of Applied Sciences / EEK Mainor
English, Russian
Stackoverflow
66reputation
817reached
2answers
0questions
Github Skills (27)
explore9
fmi8
twitter8
fabric8
twilio8
nodejs7
css7
hyperledger-fabric7
react7
increment6
hyperledger6
blockchain6
alphabetical6
ruby6
javascript6
Programming languages (4)
Github contributions (5)
nikklein/console_browser
Dec 2016 - Jan 2017
Contributions:33 commits, 9 pushes in 1 month
nikklein/student-directory
Jun 2016 - Jun 2016
Contributions:50 pushes, 1 branch in 6 days
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