Senior Software Engineer - App Foundations

2 weeks, 2 days ago
Full-time
Senior
Software Development
Abnormal AI

Abnormal AI

Abnormal AI provides advanced email security solutions designed to block malicious email attacks, including credential phishing, business email compromise, and account takeover.

Internet Software & Services
Founded 2018

Description

  • Design, build, and operate high-performance backend services across the App Foundations platform.
  • Lead end-to-end delivery of platform features and stability work, from technical design through launch and post-launch ownership.
  • Improve reliability, observability, on-call effectiveness, and SLO performance for Tier-0 systems.
  • Contribute to the internal LLM inference platform, including routing, fallback, provider integrations, batch inference, and cost attribution.
  • Build AI-native internal tools and automations that improve team workflows and operational efficiency.
  • Mentor engineers, review technical designs and pull requests, and serve as a subject matter expert for owned systems.
  • Partner with product, TPM, and peer platform teams to deliver cross-team initiatives.
  • Participate in hiring activities, including interview question design and candidate evaluation.

Requirements

  • 5+ years of backend software engineering experience building and operating production services at scale.
  • 4+ years of experience with relevant backend technologies, including Python/Django and/or Go, MySQL/PostgreSQL, Kafka, Redis, and ElasticSearch.
  • 3+ years supporting enterprise customers in production, including ownership of SLOs, on-call, and incident response.
  • 2+ years of system design experience with the ability to design, document, and deliver cross-team architectures.
  • Proven experience leading multi-quarter projects end-to-end, including technical design, implementation, launch, and post-launch operations.
  • Demonstrated daily use of AI coding tools in current workflow, with examples of using AI to improve team or workflow outcomes beyond code generation.
  • Strong written and verbal communication skills with the ability to collaborate autonomously and asynchronously with remote stakeholders.
  • Bachelor’s degree in Computer Science or equivalent professional experience.
  • Hands-on experience building with LLMs in production, including provider APIs, model routing and fallback, evals, batch inference, or cost/quota tooling (preferred).
  • Experience with notification systems, licensing/entitlement platforms, or other high-leverage internal platforms (preferred).
  • Experience building AI agents or automations that replaced meaningful manual work (preferred).
  • Experience mentoring engineers and serving as a tech lead on a small squad (preferred).
  • Master’s degree in Computer Science or a related field (preferred).

Interested in this position?

Apply directly on the company website

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