Senior Software Engineer - Behavioral Security Products

About this role

Own the technical design and delivery of scalable backend systems for Abnormal AI’s Account Takeover protection platform. Improve reliability, reduce latency, and help accelerate feature releases while contributing to production operations and team leadership.

About the company

Abnormal Security uses AI to detect and stop email and collaboration attacks such as phishing and business email compromise. It protects enterprises against social engineering and account takeover.

The team

Account Takeover (ATO) protection product team, responsible for its infrastructure, ML models, customer-facing APIs, and internal tools.

Stack

What you'll do

• Design and build scalable backend and ML systems, APIs, frameworks, and internal tools.
• Lead complex features from design through delivery.
• Improve system stability, reliability, performance, and operational excellence.
• Write and review technical design documents and influence their adoption.
• Participate in code reviews, design reviews, and on-call rotations.
• Collaborate across functions, contribute to roadmaps, and mentor peers.

What we're looking for

• 7+ years of industry experience as a software engineer.
• Strong Python backend skills and experience scaling production systems.
• Experience designing resilient, scalable, fault-tolerant systems.
• Knowledge of relational databases and modern data storage technologies.
• Familiarity with service communication, caching, AWS, and deployment practices.
• Understanding of monitoring, service health, and incident response.
• Experience writing technical designs and influencing teams.
• Able to lead complex projects and collaborate in a distributed environment.

Nice to have

• Familiarity with Docker, Kubernetes, and Helm.
• Proactive use of GenAI developer productivity tools.