Coworker — Principal Software Engineer

• →Ship code daily and own products from zero to one, from system design through deployment
• →Own the architecture and technical roadmap for a core domain
• →Drive cross-team technical initiatives with measurable business impact, including incident response and post-mortems
• →Represent the company externally through talks, writing, or open-source, and help shape the engineering culture

Tech stack: GoLang, TypeScript, Python

• 10+ years of full-stack software engineering experience, with a track record of building 0-to-1 in production
• Demonstrated ownership of a product end to end, from system design through deployment
• Experience leading technical initiatives across teams without formal authority
• Experience defining SLAs and running production systems at scale
• Deep expertise in at least two of: AI/ML infrastructure, distributed systems, data pipelines, security, or frontend architecture
• Professional experience with GoLang, TypeScript, or Python
• Bachelor's or Master's degree, Computer Science preferred
• High autonomy and comfort operating in ambiguous, fast-paced startup environments
• Able to work on-site in San Francisco

• Regular use of AI tools to accelerate development velocity
• A visible external presence through talks, blog posts, or open-source contributions

• Location: San Francisco, CA
• Work policy: Hybrid — on-site in San Francisco (~3 days/week in office)
• Compensation: $220K–$280K + equity
• Visa sponsorship: Not available (US citizens / Green Card holders only)
• Employment type: Full-time