Mike Firer is a back-end software engineer with 11 years of experience building APIs and recommendation systems, currently shaping product at Donut in New York. He has driven complementary and bundling recommendation features at eBay, implemented scalable job-to-candidate matching with Elasticsearch at Switch, and routinely builds production data pipelines and analysis jobs (including Hadoop) to close the loop between offline research and live recommendations. Comfortable across Spring Boot, PostgreSQL, Stripe integrations and performance optimization, he pairs pragmatic engineering with mentorship—training juniors and guiding technical planning. His background in biology and theater, plus early curriculum and tutoring roles, gives him a rare mix of analytical rigor and clear communication that helps translate complex models into usable product.
11 years of coding experience
4 years of employment as a software developer
Web Development, Web Development at General Assembly
Bachelor's degree, Biology and Theater, Bachelor's degree, Biology and Theater at Wesleyan University
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