Senior Backend Engineer – AI-Driven Security Platform

Abnormalsecurity; United States; Remote; USD 150,000 - 190,000; Full time

Job summary

Abnormal AI is seeking a Senior Software Engineer to own complex feature delivery and technical design for the ATO platform. You will enhance scalability, reliability, and latency to accelerate release cycles, while mentoring peers and collaborating across teams in an async-first environment.

You will design backend and ML systems, own end-to-end delivery, ensure operational excellence, and influence engineering practices to support rapid, reliable growth.

Qualifications

• 7+ years of industry experience as a software engineer.
• Strong backend proficiency in Python and production systems design.
• Experience with large-scale, fault-tolerant applications.
• Knowledge of relational storage, caching, and service-to-service communication.
• AWS experience and container orchestration with Docker/Kubernetes.

Responsibilities

• 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 priorities.
• Mentor peers and contribute to engineering practices across the team.

Skills

Python backend

Large-scale systems

Relational databases

gRPC & Kafka

Redis caching

AWS (S3, RDS)

Docker & Kubernetes

Helm

Monitoring & incident response

Technical design docs

On-call ownership

GenAI affinity

Ownership

Attention to detail

System thinker

Collaborator

Job description

Abnormal AI is seeking a Senior Software Engineer to own complex feature delivery and technical design for the ATO platform. You will enhance scalability, reliability, and latency to accelerate release cycles, while mentoring peers and collaborating across teams in an async-first environment.

You will design backend and ML systems, own end-to-end delivery, ensure operational excellence, and influence engineering practices to support rapid, reliable growth.