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Open nowPosted 6 hours ago

Founding Backend Engineer

Clera277 open roles

Pay
$200,000 – $300,000 a year
Where
San Francisco
Work mode
On site
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Your applicationOpen nowFounding Backend EngineerClera · San Francisco

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The clock on this job

Early applications get read.

13.6% 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. 2.3%1 day
  2. 4.7%3 days
  3. 13.6%7 days
  4. 21.9%14 days
  5. 36.9%30 days
  6. 59.0%60 days
This job: posted 6 hours ago

Clera median: 6 days open

The posting

ABOUT THE ROLE

Own the backend infrastructure for an AI-powered personal assistant that communicates through text, email, and phone. As a hands-on founding engineer, you will design, operate, and improve reliable systems that ensure messages and scheduled actions work as expected.

WHAT YOU'LL DO

- Design and operate messaging pipelines for inbound and outbound communications, with reliable ordering, retries, and delivery tracking.

- Build an agent runtime for background tasks, handling concurrency, timeouts, cancellation, and recovery from model or tool failures.

- Implement scheduling for deferred actions and follow-ups that must run reliably in the correct time zone.

- Plan capacity, load test, optimize databases, and evolve architecture to support substantial traffic growth.

- Own data security, privacy, Postgres schemas and migrations, and user data deletion workflows.

- Build observability and tracing across messages, model calls, and tools, and monitor latency and cost.

- Set backend engineering standards and help grow the engineering team while remaining hands-on.

WHAT WE'RE LOOKING FOR

- At least 4 years of software engineering experience, including production on-call ownership for systems handling meaningful traffic.

- Deep experience building and scaling distributed systems, including queues, workers, retries, idempotency, and failure recovery.

- Experience scaling systems through rapid growth and making sound technical prioritization decisions.

- Production experience with Postgres, including schema design, migrations, and performance tuning, as well as cloud infrastructure and infrastructure as code.

- Production experience with TypeScript or Python and capacity planning for growing workloads.

- Experience with messaging, telephony, or other event-driven systems where dropped or duplicated events have real costs.

- Experience building observability and tracing that measure latency and cost across distributed components.

- Familiarity with AI-assisted development workflows and the ability to verify and take responsibility for generated code.

- Hands-on technical leadership, a founding-team mindset, and a record of sustained work in a role or deep expertise in a technical domain.

COMPENSATION & BENEFITS

Base salary is $200,000 to $300,000 annually. Equity details are not provided. Visa sponsorship is not available.

LOCATION

Full-time, on-site in San Francisco, California.

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