Argen Systems LLC is a California-based mobile security engineering firm founded to bring principal-level expertise directly to federal agencies and prime contractors — without layers of management or junior staff diluting the work.

Alejandro Ramírez Argüello

Founder & Principal Engineer

15+ years of principal-level mobile security engineering across payments, fintech, and national security-adjacent platforms. Specializing in security SDK architecture, reverse engineering, and anti-tamper systems across iOS, Android, and macOS.

iOS Android macOS Security SDK Architecture Reverse Engineering Anti-Tamper NDK/JNI ARM64 Federal Consulting

Past Performance

Specific company names available upon signed NDA for qualified primes.

Engagement Role Platform Scope
Fortune 500 Payments Platform Lead Android Engineer Android Mobile POS security SDK, point-to-point encryption, EMV
Global Payments Network Senior Android Engineer Android Tokenization Service SDK, NFC/HCE, JNI bridge, WhiteBox crypto
National Security Tech Platform Principal Engineer iOS · Android · macOS Cross-platform security SDK architecture, anti-tamper, process integrity

Registrations & Status

SAM.gov

Registration Pending

Primary NAICS

541512 — Computer Systems Design Services

Entity

Argen Systems LLC (California)

Business Type

Hispanic-Owned Small Business · 8(a) Eligible

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