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Open nowPosted 4 hours ago

Founding Engineer

Clera303 open roles

Where
San Francisco
Work mode
On site
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Your applicationOpen nowFounding EngineerClera · San Francisco
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The clock on this job

Early applications get read.

12.9% of postings close within 7 days. Measured by our own scanner across the market. Clera postings stay open a median of 6 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.7%3 days
  3. 12.9%7 days
  4. 21.0%14 days
  5. 35.6%30 days
  6. 58.5%60 days
This job: posted 4 hours ago

Clera median: 6 days open

The posting

ABOUT THE ROLE

Join an early-stage AI company as its first engineering hire, working directly with the founder in San Francisco. You will evolve a working AI workforce product into reliable infrastructure designed to scale, with the opportunity to grow into a CTO role as the work and team develop.

WHAT YOU'LL DO

- Rebuild the product foundation to support substantial user growth and production workloads.

- Design and operate the agent runtime, including orchestration, memory, verification, and reliability systems.

- Own technical work across backend, infrastructure, frontend, and agent systems, as company needs evolve.

- Set the technical architecture, stack, engineering standards, and development practices.

- Ship improvements weekly to customers using the product in live service businesses.

WHAT WE'RE LOOKING FOR

- At least two years shipping production software, or an equivalent record as a founder or solo builder; exceptional early-career engineers are also considered.

- Full-stack range, with the ability to work from backend and infrastructure through product UI.

- Experience building and operating LLM or AI agent systems used by real customers, not demo-only projects.

- Experience turning prototypes into production infrastructure, including architecture, data models, runtimes, and orchestration.

- Evidence of owning technical decisions in a small or early-stage team, and shipping to production users weekly or faster.

- Useful experience includes agent orchestration, memory, evaluations, verification, multi-agent workflows, or software for recruiting, agencies, and other service businesses.

- Strong technical fundamentals and the ability to explain the difficult parts of systems you have built.

COMPENSATION & BENEFITS

Base salary is $150,000 to $250,000 USD annually, plus meaningful founding equity. Visa sponsorship and relocation support are available.

LOCATION

On-site in San Francisco, California. The founding team works together in person.

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