Principal Software Engineer

Coworker

  • San Francisco, California, United States
  • Remote
  • Posted Aug 11, 2026
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GoTypeScriptAI/ML InfrastructureDistributed SystemsSecurityPythonFront-end ArchitectureData Pipelines

Job description

About the role

As a Principal Software Engineer you will be a hands‑on full‑stack developer who owns architecture and technical roadmap for a core domain, mentors senior staff, drives AI‑focused initiatives, and helps shape product vision while maintaining high‑quality code and a strong engineering culture.

About the company

Coworker.ai is a fast‑growing startup building an enterprise AI platform to reshape how companies work, emphasizing a people‑first culture and rapid product development.

Requirements

  • Bachelor’s and/or master’s degree in Computer Science (preferred)
  • 10+ years of professional software development experience
  • Experience owning new products from zero to one, including design, implementation, and deployment
  • Strong communication and collaboration skills
  • Experience and comfort using AI aggressively to improve velocity with looping, reinforcement
  • Proficiency in any language; primary stack includes Go, TypeScript, and Python
  • Deep expertise in at least two of: distributed systems, data pipelines, AI/ML infrastructure, security, or frontend architecture at scale
  • Proven ability to lead without direct authority and influence technical direction across teams
  • Experience defining SLAs, SLOs, and operating production systems at scale with strong operational discipline