As our first backend hire, you will architect the distributed systems and orchestration layer powering our AI agents. You'll own critical infrastructure from day one, transforming complex agent workflows into reliable, scalable business outcomes. This high-impact role involves building internal tools, hacking prototypes, and shaping the future of work alongside a world-class founding team.
Back to all jobs
Talk to Jack
Learn about Jack
Founding Backend Engineer at Jarmin
Join Jarmin, a YC F25 startup in San Francisco building the future of work with AI employees that perform human-level roles. As our Founding Backend Engineer, you'll work alongside an elite team from Meta SuperIntelligence Labs, Apple, and AWS to architect the distributed systems powering autonomous agents. This role offers significant equity, a $130k–$180k salary, and the chance to own the orchestration layer for the next generation of AI colleagues. If you thrive on building complex infrastructure and shipping at lightning speed, this is your opportunity to shape a generational company from day one.
Want to apply for this role?
Jack finds you jobs at companies like Jarmin. Talk to Jack to get considered for roles that fit what you're great at.
Location
San Francisco, United States
Compensation
$130k-$180k + Equity
Company
Jarmin
Role overview
Jarmin.ai builds AI employees for human-level roles. It learns its responsibilities, understands your data, embeds into your systems, and becomes part of your team's day-to-day workflow. Completely hand over full initiatives or individual tasks.
Hire AI ML Engineers, Account Executives, Paralegals, Financial analysts, Compliance analysts, and more.
Jarmin’s founding team is from Meta SuperIntelligence Labs (Staff Engineers), Apple (Machine Learning Engineer), AWS (scaling infra), Lockheed-Martin (Research), and JPMorganChase (SWE) with experience building AI/ML and automating complex work of Researchers, Data Scientists, ML Engineers with AI.
What you will do
- Design and scale the distributed infrastructure that schedules, executes, and monitors complex multi-agent workflows reliably at scale.
- Build 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.
Who this is a fit for
- You have deep professional experience building and operating complex backend architectures and distributed systems at scale.
- You are a relentless builder who ships code constantly, thrives in high-ownership environments, and maintains an exceptionally high quality bar.
- You are passionate about the future of AI agents and enjoy solving novel, ambiguous problems in an in-person, San Francisco-based culture.
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.
- Secure a significant founding equity stake of 0.5–5% while solving some of the most complex distributed systems challenges in AI.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Jarmin wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.