Senior Software Engineer – Backend, Behavioral Security Products

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🕒 December 9, 2025

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Abnormal Security

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Abnormal provides total protection against the widest range of attacks including phishing, malware, ransomware, social engineering, executive impersonation, supply chain compromise, internal account compromise, spam, and graymail.

📋 Description

• Design, build, and iterate on scalable backend and ML systems, APIs, frameworks, and internal tools. • Own end-to-end delivery of complex features that directly impact customer experience. • Ensure stability, reliability, and operational excellence of critical systems. • Write clean, testable, and resilient code with attention to edge cases and performance. • Write and review technical design documents and influence adoption across the team. • Participate in code and design reviews, and contribute to on-call rotations. • Collaborate with product managers, designers, and engineers to align on specifications and priorities. • Break down complex projects into clear executable steps and drive them to completion. • Actively contribute to roadmap discussions and propose long-term technical plans. • Communicate effectively in an async-first environment, providing clarity on updates, challenges, and solutions. • Mentor peers, share knowledge, and influence engineering practices across the team.

🎯 Requirements

• 7+ years of industry experience, with proven expertise as a Senior Software Engineer. • Strong backend proficiency in Python, with experience designing and scaling production systems. • Proven experience with large scale system design, building resilient, scalable, and fault-tolerant applications. • Strong knowledge of relational databases and modern data storage technologies. • Familiarity with service-to-service communication (gRPC, Kafka) and caching (Redis). • Experience with AWS cloud services (S3, RDS) and deployment practices. • Familiarity with containerization and orchestration (Docker, Kubernetes, Helm). • Strong understanding of service health, monitoring, and incident response practices. • Experience writing technical design documents and influencing adoption across teams.

🏖️ Benefits

• Flexible working hours • Remote work options