Abnormal Security logo
Abnormal Security

Abnormally-Precise, Cloud-Native Email Security

Software Engineer II – Inline Mailflow

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000H1B SponsorCompany SiteLinkedIn

Location

Canada

Posted

7 days ago

Salary

0

Seniority

Senior

Bachelor Degree3 yrs expEnglishDistributed SystemsPythonSMTPGo

Job Description

Software Engineer II – Inline Mailflow

Abnormal Security

• 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 engineers, ramping toward full ownership of defined services as the product matures through Q3 and into EA. • Collaborate with PMs and Solutions Architects to translate customer requirements into reliable, opinionated relay configurations that support inbound and outbound use cases. • Own and operate tier-0 mail flow services that handle high volumes of enterprise email at production SLA, participating in on-call rotations and driving continuous reliability improvements. • Contribute to technical design discussions on how the relay integrates with existing inline products (outbound DLP, behavioral outbound, misdirected email), helping define the architecture of the broader Mail Flow platform. • Raise the bar of engineering excellence by contributing to knowledge sharing, runbooks, and professional development within the team.

Job Requirements

  • BS degree in Computer Science, Applied Sciences, Information Systems, or a related engineering field.
  • 3+ years of backend software development experience with distributed systems, designing and building production services.
  • Hands-on experience with our stack: Go and/or Python.
  • Experience building features and components from scratch and owning them in production, balancing feature development with operational work.
  • Comfortable with ambiguity and 0-to-1 projects where you help shape requirements alongside product and engineering stakeholders.
  • Experience working with distributed teams; proficient in asynchronous and written communication.

Benefits

  • Equal opportunity employer

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