Iurii Shyshatskyi - Security Researcher

Q: Where is Iurii based?

Iurii is based in Idar-Oberstein, Germany .

Q: What languages does Iurii speak?

Iurii speaks the following languages: Russian (Native), Ukrainian (Native), English (Advanced), German (Elementary) .

Q: How many years of experience does Iurii have?

Iurii has at least 7 years of experience. During this time, Iurii has worked in at least 3 different roles and for 3 different companies . The average length of individual experience is 2 years and 3 months . Note that Iurii may not have shared all experience and actually has more experience.

Q: What is Iurii's latest experience?

Iurii's most recent position is Security Researcher at Chainway Labs .

Q: What companies has Iurii worked for in recent years?

In recent years, Iurii has worked for Chainway Labs and Jax.Network .

Q: Which industries is Iurii most experienced in?

Iurii is most experienced in industries like Information Technology .

Q: Which business areas is Iurii most experienced in?

Iurii is most experienced in business areas like Research and Development , Product Development , and Information Technology . Iurii also has some experience in Quality Assurance .

Q: Which industries has Iurii worked in recently?

Iurii has recently worked in industries like Information Technology .

Q: Which business areas has Iurii worked in recently?

Iurii has recently worked in business areas like Research and Development , Product Development , and Information Technology .

Recommended expert

Idar-Oberstein, Germany

Check rate

Experience

Dec 2024 - Jan 2025

2 months

Security Researcher

Chainway Labs

Produced reports and analyses based on the research findings
Collaborated with the team to identify key areas of study and methodology
Provided feedback and suggestions for improving code efficiency and security

Sep 2019 - Jan 2024

4 years 5 months

Kyiv, Ukraine

Chief Scientist

Jax.Network

Designed the novel blockchain protocol in detail
Wrote the white paper
Designed and wrote documentation for the crucial algorithms within the protocol
Implemented some math-heavy algorithms
Conducted research and peer-review of relevant academic papers
Wrote blog posts and product wiki pages

Jun 2012 - Oct 2014

2 years 5 months

Kyiv, Ukraine

Software Engineer

Samsung R&D Ukraine

Focused on algorithms for secure cloud computations on encrypted data
Analyzed reliability and performance and worked on their improvement
Found security flaws in multiple proposals of lab colleagues
Conducted research and peer-review of relevant academic papers

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology.

Information Technology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Research and Development and Product Development.

Research and Development

Product Development

Summary

I code in C, C++, Matlab, Golang. I'm proficient in using Latex and its packages, such as Tikz, PGF and Beamer. I conduct research in the field of blockchain.

Skills

Mathematics
Blockchain
C
C++
Rust
Golang
Matlab
Octave
Latex
Gitlab
White Paper
Beamer
Blog Posts
Probability Theory
Abstract Algebra
Statistics
Cryptography
Academic Research
Prepare Research Or Technical Reports

Languages

Russian

Native

Ukrainian

Native

English

Advanced

German

Elementary

Education

Oct 2016 - Present

Northwestern University Graduate School

PhD program, no diploma · Mathematics · Evanston, United States

Sep 2012 - Jun 2014

Taras Shevchenko National University of Kyiv

Master degree in Mathematics · Mathematics · Kyiv, Ukraine

Sep 2008 - Jun 2012

Taras Shevchenko National University of Kyiv

Bachelor's degree in Mathematics · Mathematics · Kyiv, Ukraine

Certifications & licenses

VERSANT

TOEFL IBT

Statistics

Experience

Total positions 3

Experience in Information Technology 7 y

Avg length 2 y 3 m

Longest experience 4 y 4 m

Global Experience

Countries worked in 1 (Ukraine)

Primary country Ukraine

Expertise

Recent roles Security Researcher, Chief Scientist, Software Engineer

Main industries Information Technology

Main business areas Research and Development, Product Development

Qualifications

Highest degree Doctorate

Certifications earned 2

Profile

Created

October 2025

Last Update

November 2025

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Frequently asked questions

Have questions? Find more information here.

Where is Iurii based?

Iurii is based in Idar-Oberstein, Germany.

What languages does Iurii speak?

Iurii speaks the following languages: Russian (Native), Ukrainian (Native), English (Advanced), German (Elementary).

How many years of experience does Iurii have?

Iurii has at least 7 years of experience. During this time, Iurii has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 2 years and 3 months. Note that Iurii may not have shared all experience and actually has more experience.

What roles would Iurii be best suited for?

Based on recent experience, Iurii would be well-suited for roles such as: Security Researcher, Chief Scientist, Software Engineer.

What is Iurii's latest experience?

Iurii's most recent position is Security Researcher at Chainway Labs.

What companies has Iurii worked for in recent years?

In recent years, Iurii has worked for Chainway Labs and Jax.Network.

Which industries is Iurii most experienced in?

Iurii is most experienced in industries like Information Technology.

Which business areas is Iurii most experienced in?

Iurii is most experienced in business areas like Research and Development, Product Development, and Information Technology. Iurii also has some experience in Quality Assurance.

Which industries has Iurii worked in recently?

Iurii has recently worked in industries like Information Technology.

Which business areas has Iurii worked in recently?

Iurii has recently worked in business areas like Research and Development, Product Development, and Information Technology.

What is Iurii's education?

Iurii holds a Doctorate in Mathematics from Northwestern University Graduate School, a Master in Mathematics from Taras Shevchenko National University of Kyiv and a Bachelor in Mathematics from Taras Shevchenko National University of Kyiv.

Does Iurii have any certificates?

Iurii has 2 certificates. These include: VERSANT and TOEFL IBT.

What is the availability of Iurii?

Iurii is immediately available part-time for suitable projects.

What is the rate of Iurii?

Iurii's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.