Principal Software Engineer, Product Security
Core
Lead and elevate security across SentiLink's infrastructure, applications, and internal systems by building scalable security foundations and enabling safe business movement.
Role type
Principal Software Engineer, Product Security
Builds
Internal security tooling (agent-based, code analysis, dynamic scanning), security automation, and secure cloud architectures
Domain
Fintech, Identity Verification, Cloud Security
Required skills
Go, Rust, C++, Python, TypeScript, AWS (IAM, EKS, RDS, networking), AI-assisted tooling, penetration testing, vulnerability research, security automation design
Preferred skills
LLM-based agents, security product company experience, fintech/fraud detection experience, industry certifications (OSCP, OSCE, GPEN, GXPN), detection engineering, SIEM platforms, security research
Technologies
AWS, Go, Rust, C++, Python, TypeScript, Claude Code, ChatGPT/Codex, Cursor
Responsibilities
Design and build internal security tooling from scratch; Identify vulnerabilities across AWS-based stack; Develop AI-assisted and agent-based tooling for offensive security testing; Build and maintain security automation; Conduct hands-on penetration testing and vulnerability research; Partner with engineering teams to remediate findings; Participate in security on-call rotation; Contribute to threat modeling and security design reviews
Seniority
Principal, hands-on IC with strategy & mentorship
