Sergiy Kolychev
Principal Engineer at Root Evidence
Portland, Oregon, United States
Summary
👤
Senior🎓
Top SchoolSergiy Kolychev is a Principal Engineer based in Portland, Oregon, with over 25 years building high-performance data-processing back ends and web services on UNIX/Linux. He brings deep expertise in Perl, Python, C and Kotlin, specializing in regex-heavy parsing, large-scale web crawling, and scalable data pipelines, and has practical ML experience including porting MXNet’s Python interface to Perl. Throughout senior roles at WhiteHat Security, Tenable and now Root Evidence, he has combined hands-on coding with architectural leadership to deliver reliable, high-throughput systems. His career spans both product engineering and infrastructure, rooted in early UNIX sysadmin and freelance Perl work that honed pragmatic problem-solving. Notably, his blend of low-level systems sense and language-level fluency enables efficient, maintainable solutions in domains where parsing and performance matter most.
9 years of coding experience
28 years of employment as a software developer
Bachelor, Bachelor at Foothill CollegeMaster of Engineering in Mechanical Engineering, Master of Engineering in Mechanical Engineering at Bauman Moscow State Technical University
Russian, Japanese
Github Skills (17)
perl5
javascript4
distributed-computing4
python4
julia4
deep-learning3
mutation3
portable3
data-science3
machine-learning3
golang3
scala3
scheduler3
dataflow2
dep2
Programming languages (3)
Github contributions (5)
sergeykolychev/mxnet-perl
Feb 2017 - Feb 2017
Contributions:2 commits in 4 days
sergeykolychev/mxnet
Feb 2017 - Mar 2018
Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript, Perl and more
Contributions:58 commits in 1 year
pythonschedulerdataflowmutationorchestration
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