Denis Varlakov
Lead MPC Engineer at Dfns
Paris, Ile-de-France
Summary
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Rockstar🎓
Top SchoolDenis Varlakov is a Lead MPC Engineer based in Paris with a decade of experience turning cutting-edge cryptographic research into production-grade systems. He has progressed from software engineering roles to research and R&D positions at VDOM Box, BI.ZONE, and ZenGo before leading MPC efforts at Dfns since 2021. Denis specializes in multiparty computation and applied cryptography, bridging formal research papers and practical, auditable implementations for security-sensitive environments. His background in computer science from Tomsk State University underpins a pragmatic approach to building robust, deployable crypto tooling. Colleagues appreciate that he balances deep theoretical understanding with hands-on engineering, shipping resilient systems rather than prototypes. Notably, he operates at the intersection of research and productization, often translating academic advances into operational security features for real-world infrastructure.
11 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Tomsk State University
English, Russian, French
Github Skills (128)
paillier10
elliptic-curve10
digital-signature10
security10
cryptocurrency10
typesetting10
noise10
elliptic-curve-cryptography10
ecdsa10
secp256k110
command-line-parser10
compiler10
vulnerabilities10
rust10
constant-time10
Programming languages (13)
Github contributions (5)
dfns/trusted-dealer
May 2024 - Oct 2025
Split private keys for use with cggmp, and send them securely
Contributions:6 reviews, 6 PRs, 17 pushes in 1 year 5 months
private-key
LFDT-Lockness/udigest
Nov 2023 - Jun 2026
Unambiguous hashing of structured data in Rust
Contributions:11 reviews, 24 PRs, 73 pushes in 2 years 6 months
rust
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