Andrei Costa
Senior Backend Engineer at Product.ai
Rio Grande do Sul, Brazil
Summary
👤
Senior🎓
Top SchoolAndrei Costa is a Senior Backend Engineer with 11 years of experience designing and operating high-traffic systems for platforms that serve millions of users. He architects cloud-native NestJS microservices on Google Cloud and Kubernetes, with a strong focus on MySQL/BigQuery performance tuning and event-driven systems for real-time promotional workflows. Andrei owns production reliability—building proactive monitoring, custom alerting, and multi-layered security defenses (Cloud Armor, rate limiting, anti-scraping) to stop sophisticated bot attacks before they affect customers. He has led backend architecture across major coupon platforms and routinely resolves critical database and infrastructure bottlenecks under pressure. Based in Rio Grande do Sul, Brazil, he pairs a master's-level academic background in computer science with hands-on incident response and cross-functional collaboration that directly impacts revenue. A practical problem-solver, he blends deep operational discipline with product-minded engineering to keep services robust during peak demand.
11 years of coding experience
7 years of employment as a software developer
Ciência da Computação, Métodos Formais, Ciência da Computação, Métodos Formais at Universidade Federal de PelotasMestrado, Ciência da Computação, Mestrado, Ciência da Computação at Federal University of Rio Grande do Sul
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
category-theory10
graph10
verification10
haskell9
javascript1
browser1
Programming languages (2)
Github contributions (5)
andreicosta/chess
Jul 2017 - Jul 2017
Contributions:40 commits, 52 pushes, 5 branches in 11 days
andrei529/part
Aug 2015 - Jan 2016
Contributions:74 pushes, 1 branch in 4 months
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