Senior Backend Engineer (AI-Powered CAD Startup)
ScrumAID
San Jose, CA · Posted November 1, 2026
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Pay compared with the market
This listing does not state pay. Across 38 open senior backend engineer listings that state pay, the middle half runs $191,500 to $223,000 and the median is $205,000.
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About the job
A seed-era startup in Silicon Valley is building AI-driven CAD software, aiming to give mechanical engineering its own foundation model. Its founders are repeat builders from the autonomous-vehicle industry, and the team plans to grow quickly in the coming months. The company wants a senior backend engineer who can ship production code independently.
Responsibilities
Take charge of architecture and delivery for core systems, moving from vague problems to maintained, shipped products
Work with founders to convert loose goals into technical plans and get them out the door
Lift engineering quality via reviews, testing practices and architectural guidance
Lead how the machine-learning components of the CAD product are designed and put into production
Investigate and fix defects, ranging from everyday bugs through to systemic problems with speed, stability and scale
Improve CI/CD, test and observability practices as the product matures, and influence team culture
Profile
Seven or more years of backend software engineering, with early-stage startup experience
Deep Python skills and scalable backend services using Django, Flask and SQL
Practical experience training machine learning models and running them in production
Desktop or native application development on macOS or Windows
Proven history of building and owning a codebase from nothing with little supervision
Bonus: CAD, 3D or geometry background, C#/.NET, and cloud experience on AWS or GCP
On-site in the South Bay Area. Visa transfers are supported, but new sponsorship is not available.