Founding Backend Engineer ($130k–$180k + Equity) at Jarmin

About the role

Jill, our AI Recruiter, is recruiting for this position on behalf of one of our customers. The next step is to speak to Jack.

Job Description

• Architect the distributed systems and orchestration layer powering our AI agents.
• Own critical infrastructure from day one, transforming complex agent workflows into reliable, scalable business outcomes.
• Build internal tools and rapid prototypes to accelerate the team's ability to iterate on new AI agent capabilities.

Why this role is remarkable

• Join an elite founding team from Meta SuperIntelligence Labs, Apple, and AWS at the ground floor of a YC F25 startup.
• Build the core orchestration layer for autonomous AI employees capable of replacing full human roles like ML engineers and paralegals.
• Solve some of the most complex distributed systems challenges in AI.
• Secure a significant founding equity stake of 0.5–5% while solving some of the most complex distributed systems challenges in AI.

The ideal candidate

• Deep professional experience building and operating complex backend architectures and distributed systems at scale.
• A relentless builder who ships code constantly, thrives in high-ownership environments, and maintains an exceptionally high quality bar.
• Passionate about the future of AI agents and enjoys solving novel, ambiguous problems in an in-person, San Francisco-based culture.

What You Will Do

• Design and scale the distributed infrastructure that schedules, executes, and monitors complex multi-agent workflows reliably at scale.
• Develop the critical orchestration layer that enables AI agents to understand proprietary data and embed into existing business systems.
• Develop internal developer tools and rapid prototypes to accelerate the team's ability to iterate on new AI agent capabilities.

Company Description

Jarmin is a San Francisco-based YC F25 startup building AI employees for human-level roles, founded by an elite engineering team from Meta SuperIntelligence Labs, Apple, and AWS.

Qualifications

Deep professional experience building and operating complex backend architectures and distributed systems at scale.

Skills

Passionate about the future of AI agents and enjoys solving novel, ambiguous problems in an in-person, San Francisco-based culture.

Benefits

Significant founding equity stake of 0.5–5% while solving some of the most complex distributed systems challenges in AI.

Pay

$130k–$180k + Equity

Schedule

Not specified

Location

San Francisco, USA