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Senior Software Engineer - App Foundations

2 weeks, 2 days ago
United States
Full-time
Senior
Backend Engineer
Software Development
Django Elasticsearch Go Kafka LLM MySQL PostgreSQL Python Redis System Design
Apply Now
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
View All Jobs 72

Description

  • Design, build, and operate high-performance backend services across the App Foundations portfolio.
  • Lead end-to-end delivery of platform features and stability work, from technical design through launch and post-launch operations.
  • Improve reliability, observability, and on-call practices for Tier-0 systems such as Notifications and LMS.
  • Contribute to the LLM inference platform, including model routing, provider integrations, batch and async inference, and cost attribution.
  • Build AI-native internal tools and workflow automations that improve team operations.
  • Mentor engineers, review technical designs and pull requests, and serve as a subject matter expert for owned systems.
  • Partner with product managers, TPMs, and other platform teams to deliver cross-team initiatives.
  • Participate in hiring by writing interview questions, running interview loops, and helping recruit engineers.

Requirements

  • 5+ years of backend software engineering experience building and operating production services at scale.
  • 4+ years of experience with relevant stacks such as Python/Django and/or Go, MySQL/PostgreSQL, Kafka, Redis, and ElasticSearch.
  • 3+ years supporting enterprise-class customers in production, including SLO ownership, 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 design, implementation, launch, and post-launch operations.
  • Daily use of AI coding tools, with specific examples of using AI to improve workflows beyond code generation.
  • Strong written and verbal communication skills and the ability to collaborate 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, evals, batch inference, or cost/quota tooling (preferred).
  • Experience with notification delivery systems, licensing/entitlement platforms, or other widely used internal platforms (preferred).
  • Experience building AI agents or automations that replace meaningful manual work (preferred).
  • Experience mentoring engineers and acting as a tech lead on a small squad (preferred).
  • Master’s degree in Computer Science or a related field (preferred).

Benefits

  • Base salary range of $179,800 to $258,500 USD.
  • Eligibility for bonus or incentive compensation.
  • Equity compensation may be available.
  • Comprehensive benefits package.
  • Equal opportunity employer with protected-class non-discrimination policies.

Interested in this position?

Apply directly on the company website

Apply Now

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