Argen Systems LLC is a California-based engineering firm — incorporated in Manteca, certified Small Business (Micro #2052003) — that brings principal-level rigor to development, security, and strategy work for California state agencies and federal partners. Founder-led, with engagement-scoped teaming as the delivery model.

Alejandro Ramírez Argüello

Founder & principal engineer

15+ years of principal-level mobile security engineering across payments, fintech, and national security-adjacent platforms. The same discipline — threat modeling, anti-tamper, audit hygiene — is the foundation Argen extends into development and strategy work for California state agencies and federal partners.

Development Security Strategy iOS Android macOS Anti-tamper NDK/JNI Reverse engineering
P/00 — Track record

Past performance

Founder track record — engagements completed prior to founding Argen Systems. Specific client names available to qualified primes under NDA.

Engagement Role Pillar Platform Scope
National Security Tech Platform Principal Engineer Security iOS · Android · macOS Cross-platform security SDK, anti-tamper, process integrity
Global Payments Network Senior Android Engineer Security Android Tokenization service SDK, NFC/HCE, JNI bridge, WhiteBox crypto
Fortune 500 Payments Platform Lead Android Engineer Development Android Mobile POS security SDK, point-to-point encryption, EMV
R/00 — Credentials

Registrations & status

California Small Business — Micro

Active · ID 2052003

LLC

Active · Manteca, CA

eVAQ application

Required forms in review

IT-MSA

Pursuing pool admission — Development, Security, Strategy

Federal registrations

SAM / 8(a) / EIN in progress

Primary NAICS

541512 — Computer Systems Design Services

Business type

Hispanic-owned small business · 8(a) eligible

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