Software Engineer II - Inline Mailflow

Job description

About the Role Abnormal AI is looking for a Software Engineer to join the newly formed Inline Mailflow team. This team is building Abnormal’s next-generation SMTP relay infrastructure - a scalable mail flow harness that will power our outbound email security motion and long-term SEG displacement strategy against competitors. The Inline Mailflow team will operate as a close counterpart to the current Inline Remediation team and will live within the Message Platform group. The relay harness will serve as the foundation for a growing portfolio of capabilities including outbound filtering, DLP enforcement, misdirected email detection, IP management, encryption, archiving, and DMARC enforcement. The ideal candidate has strong backend and distributed systems experience, a deep appreciation for email infrastructure, and the ability to thrive in a fast-moving 0-to-1 build environment. What you will do: - Design and implement core components of the SMTP relay harness, including Mail Transfer Agent (MTA) infrastructure, scalability, IP management, encryption, and DMARC support, working from conception through production operation. - Co-build the production relay alongside existing infra engi...