Sergio Mendoza is a Principal Software Engineer based in Denver with a decade of experience building full-stack systems and leading AI platform architecture at scale. He progressed from hands-on full-stack roles to engineering manager and AI lead at Sunday, where he now shapes the company’s AI strategy for lawn care and platform reliability. Comfortable bridging product and infrastructure, Sergio has a background in mechanical engineering and a formal software bootcamp education, giving him a practical, systems-oriented approach to software design. He’s equally at home mentoring teams as he is diving into code, favoring pragmatic solutions that move experiments into production. Outside work he’s an avid hiker and camper, a pastime that reflects his preference for iterative planning and resilience in complex projects.
10 years of coding experience
8 years of employment as a software developer
Mechanical Engineering, Mechanical Engineering at California State University, Long Beach
Full Stack Web Developer Program, Full Stack Web Developer Program at Flatiron School
Contributions:1 PR, 5 pushes, 1 branch in 3 years 5 months
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Sergio Mendoza - Principal Software Engineer at Sunday