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Senior Full Stack Software Engineer

Defcon AI

Senior Full Stack Software Engineer at DEFCON AI focusing on resilient optimization through AI technologies and building modern web apps end-to-end.

Posted 5/19/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $155,000 - $215,000 per yearWebsite

Tech Stack

Tools & technologies
AWSPostgresPython

About the role

Key responsibilities & impact
  • Shape the product architecture end-to-end.
  • Own the data foundation.
  • Engineer for performance at scale.
  • Drive technical direction through RFCs.
  • Ship with product and design, not in a silo.
  • Use AI as a force multiplier (responsibly).
  • Hold the quality bar high.

Requirements

What you’ll need
  • Production experience with hash-chained audit, Merkle-tree sealing, and cross-language evidence parity (C# + Python)
  • Depth in cryptographic evidence pipelines — HMAC integrity, signed checkpoints, chain continuity verification
  • Fluency in PostgreSQL transactional guarantees for audit writes, advisory-lock coordination patterns
  • Prior work on ATO-evidence-bearing audit implementations (DoD, fintech regulatory audit, HIPAA-equivalent scale)
  • Ability to architect AWS KMS integration with envelope encryption; HSM (PKCS#11) integration familiarity

Benefits

Comp & perks
  • A fully remote, results-based environment
  • Competitive salary, bonus, and equity package
  • 100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family
  • Unlimited PTO, with your manager’s approval
  • Flexible work environment where you manage your work day
  • 14 weeks of fully-paid parental leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
C#Pythonhash-chained auditMerkle-tree sealingHMAC integritysigned checkpointschain continuity verificationPostgreSQLAWS KMSenvelope encryption
Soft Skills
product architectureperformance engineeringtechnical directioncollaborationquality assurance