Ivan Krechetov
Senior Software Engineer at SIX
Winterthur, Zurich, Switzerland
Summary
👤
Senior🎓
Top SchoolIvan Krechetov is a Senior Software Engineer and tech lead with 17 years of experience building robust systems across Scala, Clojure, Kotlin, Rust and C++, and a deep grounding in functional programming, DDD, actor-based reactive design, and event-sourced CQRS architectures. Based in Winterthur, Switzerland, he currently contributes to critical financial infrastructure at SIX and has a track record of revitalizing legacy codebases into maintainable, production-ready software. His background in applied mathematics (NSU) and software engineering (University of Twente) informs a pragmatic focus on algorithms, data structures, and well-crafted solutions that solve real business problems. He thrives on quickly onboarding into new domains and technologies, pairing hands-on development with architectural leadership from his years as Tech Lead at XIAG. A practical engineer who values working systems over bells and whistles, he keeps a concise resume and portfolio (https://ikr.li/cv.pdf) for those who want the technical details.
17 years of coding experience
20 years of employment as a software developer
Computer Software Engineering, Computer Software Engineering at University of TwenteMaster's degree, Applied Mathematics, Master's degree, Applied Mathematics at Novosibirsk State University (NSU)
German, Russian, English
Stackoverflow
18,950reputation
1.9mreached
124answers
32questions
soap
top-5%
case-insensitive
top-1%
xml
top-1%
postgresql
top-5%
zend-framework
top-5%
php
top-1%
Github Skills (200)
case-insensitive10
twitter-bootstrap10
autocomplete10
ruby10
user-stories10
navbar10
menu10
period10
declarative10
currency-converter10
composer10
javascript10
linux10
validation10
currency10
Programming languages (13)
Github contributions (5)
ikr/estimates-template
May 2015 - May 2017
Contributions:77 commits, 11 PRs, 60 pushes in 1 year 11 months
publishuser-storiesfor-eachestimationrange
ikr/money-math
Sep 2012 - Feb 2021
jsbn-based arbitrary precision operations on currency amounts "XXX.YY"; because floats are BAD for representing money
Contributions:84 commits, 19 PRs, 56 pushes in 8 years 6 months
badamountsjavascriptcurrency-converterarbitrary
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