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Founding Engineer

Prox - San Francisco, CA | OnSite

Posted Jun 10, 2026

Benefits

Parental leave
Not verified
Non-birth-parent leave
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Family-building benefits
  • Fertility benefits: Not verified
  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
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Relocation assistance
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Childcare support
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Learning budget
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Verification
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Salary
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401(k) match
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Market context

U.S. role benchmark (BLS OEWS)
$116,543 U.S. median for this role
Projected growth (BLS Employment Projections)
+9.8% - Much faster than average

U.S. benchmark only; posted salary is not compared across countries or currencies.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function
Engineering From the posting source checked Jun 20, 2026
Seniority
Mid From the posting source checked Jun 20, 2026
Work mode
Onsite From the posting source checked Jun 20, 2026
In-office days
5 days From the posting source checked Jun 20, 2026

Schedule

Shift type
Not verified
Weekend work
Not verified

Company

Company stage
Early From the posting source checked Jun 20, 2026
Equity
Offered From the posting source checked Jun 20, 2026

Application

Cover letter
Not verified
Assessment
Required From the posting source checked Jun 20, 2026
Deadline
Not stated

Where they hire

State eligibility is not yet verified.

About this role

Founding Engineer San Francisco, CA | OnSite PROX IS HIRING FOUNDING ENGINEERS TL;DR - if you're delusional enough, never satisfied with your skill level, insanely hardworking, and want to carry a crazy amount of responsibility, where what you code on Monday impacts thousands of people on Tuesday, this is for you. - you'll work on knowledge engines and multimodal agents for complex physical products, including expressive voice AI https://www.hume.ai and codegen systems that explain what text alone can't, then lead the deployment of all of it to real customers. - no intro calls. to get considered, you post your submission to our challenge https://github.com/prox-technologies/prox-challenge. we review new submissions daily and respond to every one, so you'll hear from us very soon. from there, three more steps. pass them and you're in. - $200k cash salary + 1% equity. We're backed by Paul Graham, Bloomberg Beta, Burst Capital, SV Angel, Weights & Biases, and more. Position is in person in SF, 6 days/week [https://app.ashbyhq.com/api/images/user-content/d27f947e-d494-4e83-b6a5-078191ca88b8/f913425a-4075-4bd9-bc36-70e2968aa8d9/8ced9bb9-7e49-4cf7-873a-20780cb55b2a-2.jpg] WHAT ARE WE DOING? Every product ever sold needs support at some point. That support falls into one of two buckets. Bucket 1: Simple stuff. T-shirts, screen protectors, keyboards. You buy it, it shows up, maybe you ask “where's my order?” once. This is solved. Zendesk and a hundred other horizontal companies solved it. Bucket 2: Hard stuff. $20,000 industrial heaters. HVAC systems. CNC machines. Car parts. Products where buying wrong means your building doesn't have heat or your manufacturing line is down. Support for these products

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