Clera

Founding Product Engineer

San Francisco
Salary
$200,000 - $250,000 annually
Level
Senior
Work type
On-site · San Francisco
Visa
Not offered

Open. First seen 28 October 2026.

Apply on the company's site →

About the role

About the Role

Join a small B2B SaaS team building AI-powered pricing and monetization software. In this hands-on role, you will own product modules from customer discovery through launch, shaping reliable systems for complex pricing workflows.

What You'll Do

  • Scope product problems with customers, then design versioned APIs, build user interfaces, launch complete modules, and iterate on feedback.
  • Design and evolve architecture for AI-enabled experiences across web, conversational interfaces, command-line tools, and vendor integrations.
  • Make product features accessible to LLM agents through agent tooling and conversational workflows.
  • Move pricing and business logic into backend services to protect financial accuracy.
  • Extend typed pricing data models and establish testing, observability, deployment, and performance practices.
  • Lead architectural discussions, investigate production issues, mentor teammates, and improve engineering practices.

What We're Looking For

  • At least 8 years of software engineering experience, including startup experience owning and delivering full product areas at staff-level scope.
  • Strong backend experience with Python, FastAPI, and MongoDB or comparable technologies, plus experience designing server-side business logic and versioned APIs.
  • Hands-on React and TypeScript skills, including the ability to independently deliver a polished user interface.
  • A track record of turning ambiguous customer needs into shipped products, including customer discovery, data modeling, and end-to-end delivery.
  • Experience with AI-enabled products or agent workflows; familiarity with MCP-style tooling is beneficial.
  • Interest or experience in B2B SaaS monetization, including pricing, packaging, quoting, billing, or CPQ.
  • Strong attention to correctness, particularly in financial logic, and US work authorization without visa sponsorship.

Compensation & Benefits

Base salary: $200,000 to $250,000 annually. Visa sponsorship is not available.

Location

On-site in San Francisco, California. Candidates must be based in or willing to relocate to San Francisco.

What this role asks for

Particular to this role

FastAPI · MongoDB

Rare in Clera's other 299 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Compared with Clera's other open jobs.

The team: Engineering HIRES STEADILY

This role is one of 210 open in Engineering. 144 were posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

LLM (103 of 210), TypeScript (95 of 210), Python (82 of 210), React (81 of 210), Machine Learning (42 of 210), PostgreSQL (39 of 210), JavaScript (36 of 210)

OTHER ROLES ON THIS TEAM

From the team and dates on Clera's own job board.

Posting history

Reposted once since 9 September 2026: a posting for this role in San Francisco was taken down and the role was posted again.

Salary context

16 other open postings titled Founding Product Engineer state a salary: median USD 162,500 to USD 237,500 a year.

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