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Ilya Rusalowski

iProxy.online

Ilya is a seasoned tech executive with a proven track record of transforming deep-tech challenges into profitable, scalable businesses. As the technical force behind iProxy.online, he scaled the infrastructure from a pet project to a global mobile proxy grid spanning 100+ countries and 600+ mobile carriers.

Ilya is recognized for his pragmatic, revenue-aligned approach to engineering. He doesn't just build code; he engineers resilient, high-performing organizations that run like fault-tolerant clusters. With deep roots spanning physical network layers, Linux kernels, and bank-grade regulatory compliance, he ensures that technical vision and operational execution (Ops, Legal, HR) are perfectly synchronized.

His philosophy is built on zero tolerance for instability: he specializes in environments where downtime, instability, or "it's probably fine" are simply not acceptable. Ilya is a leader for whom infrastructure is a competitive advantage, focused on delivering mission-critical reliability for data platforms, AI products, and market intelligence firms worldwide.

Ilya is a seasoned tech executive with a proven track record of transforming deep-tech challenges into profitable, scalable businesses. As the technical force behind iProxy.online, he scaled the infras...

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Publications on the iProxy.online blog

Proxy Anonymity Levels: Elite vs Anonymous vs Transparent
Proxy Anonymity Levels: Elite vs Anonymous vs...
The elite/anonymous/transparent classification is a relic. Here's what actually determines whether your proxy gets detected.
Knowledge Base
Ilya Rusalowski2026-03-31
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5 min
SOCKS5 vs HTTP Proxy: Real Differences Explained (2026)
SOCKS5 vs HTTP Proxy: Real Differences Explai...
Most comparisons get SOCKS5 vs HTTP proxy wrong. Here's what actually differs at the protocol level, and when it matters.
Knowledge Base
Ilya Rusalowski2026-03-30
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5 min
How SOCKS5 UDP ASSOCIATE Killed Our DNS
How SOCKS5 UDP ASSOCIATE Killed Our DNS
A production post-mortem: we shipped an RFC feature that drained every ephemeral port on Linux. DNS died first. Here's what happened and how we fixed it.
Knowledge Base
Ilya Rusalowski2026-03-28
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4 min
How We Caught a Silent TLS 1.3 Failure Across Thousands of Android Devices
How We Caught a Silent TLS 1.3 Failure Across...
Something broke on thousands of Android devices — and nobody could tell us why. Here's how iProxy's built-in diagnostics caught a silent TLS 1.3 handshake failure before most users even noticed.
Knowledge Base
Ilya Rusalowski2026-03-21
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3 min