Join a YC-backed startup as a Backend Software Engineer to build AI-powered CAD software for mechanical engineering. You will design and maintain robust backend systems in Python, own features end-to-end, and collaborate with the CTO and founding engineer. Requires 4-7 years of backend experience, strong Python proficiency, and experience with desktop/native applications.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Software Developer Engineer
· Job Type: Full-time
· Work Mode: On-site
· Location: San Mateo, CA, US
· Salary: $150K - $200K
We are looking for a Software Developer with 3-4+ years of experience to join a 3-person team building AI-powered CAD software that is creating a foundation model for mechanical engineering. You'll be a curious, ownership-driven engineer who can pull their own weight and ship production code end-to-end.
This is a ground-floor opportunity at a YC-backed startup that has answered its fundamental technical questions and is now pouring gasoline on the fire, the team is doubling in the next few months. The founders were early employees (first 10) at Cruise Automation (acquired by GM for $1B+) and are recreating that kind of magic.
· Design, develop, and maintain robust backend systems in Python, interfacing with existing CAD software on desktop platforms (Mac OS/Windows)
· Own features end-to-end from concept through production — building data pipelines, backend components, and shipping code at startup speed
· Collaborate directly with the CTO and founding engineer to define architecture and ship new features rapidly
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· Make pragmatic trade-offs between code quality and speed, understanding technical debt and knowing how to address it later
· $150K - $200K
· 0.3-0.7%
· 5 days in-office in San Mateo, CA, US
· H-1B transfers and TN visas supported. No new H-1B sponsorship.
· Full-time position
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· Looking to hire 1 candidate for this role
· San Mateo, CA, US
· Python
· Django
· Flask
· SQL
· AWS
· Google Cloud
· Docker
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· Required: 4 - 7 years of experience in backend software development
· Must have: Experience at an early-stage startup
· Required: 0->1 experience owning a codebase end-to-end
· Required: Experience with desktop/native application development (macOS or Windows)
· Nice to have: Background in gaming, CAD, or 3D software development
· Required: BS in Computer Science, Engineering, or related field
· Must have: Strong Python proficiency with production backend experience
· Must have: Experience with backend frameworks (Django, Flask, SQL)
· Nice to have: Familiarity with cloud platforms (AWS or GCP)
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