SentiLink combines technology and expertise to help financial institutions stop identity fraud at the application stage. Backed by a16z and Felicis.
About the role
Design and build internal security tooling from scratch, including agent-based security tooling, code analysis tooling, dynamic scanning, and security assessment tools Identify vulnerabilities across SentiLink's AWS-based stack, including application code, cloud service configurations, and integrations between the two
What they're looking for
- 8+ years of experience in security engineering, software engineering with a security focus, or closely related roles
- Proficient in at least one systems language (Go, Rust, C++) and at least one higher-level language (Python, TypeScript)
- Proven ability to design and ship production software end-to-end
- Deep AWS infrastructure expertise, including IAM, EKS, RDS, networking, and managed services
- Demonstrated ability to identify security misconfigurations and vulnerabilities across cloud architectures, application code, and the integrations between them
- Experience conducting or building tooling for penetration testing, vulnerability assessment, or red team activities
More about this role
SentiLink stops more than 150,000 fraud attempts and verifies more than 3 million identities every day to protect both institutions and consumers. The problems we work on are challenging, and solving them takes deep domain expertise, rigorous analysis, and a willingness to dig into the details.
At SentiLink, you'll work alongside smart, highly collaborative colleagues who respect each other's time and judgment, take ownership, and follow through on their commitments. Together, we do truly meaningful work protecting the identities of innocent consumers and flagging the fraudsters attempting to exploit them.
We're well capitalized and growing quickly. We already serve 13 of the top 15 U.S. banks, we're expanding into new markets, and we're backed by Craft Ventures, Andreessen Horowitz, NYCA, and Max Levchin. We've been named to the Forbes Fintech 50 and as a 2026 FICO Industry Vanguard Decision Award Winner . We were also the first company to go live with the electronic Consent Based Social Security Number Verification (eCBSV) service, and we've testified before the U.S. Congress on the future of identity.
We want SentiLink to be the best place you've ever worked. We offer generous...
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