Sean Heo
Software Engineering Manager at Buzzvil
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolSean Heo is a software engineering manager with nine years of experience combining four years of hands-on backend engineering and three years as a product manager, now leading engineering at Buzzvil in Berlin. He specializes in designing and operating high-traffic, highly available distributed systems (Kafka, Redis, MySQL/DynamoDB, Kubernetes) and brings product-minded ownership to system design, reliability, and observability. Comfortable bridging PM, design, data, and SRE, he has shipped backend APIs for gaming and crypto products, built ad server systems, and run blockchain nodes in production. His background in product management informs measurable outcomes—reducing costs and improving KPIs—while his academic record and proactive learning drive continuous technical maturity within teams. A pragmatic problem-solver, he pairs deep systems understanding with a bias for teaching and cross-functional collaboration.
9 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Business Administration, Bachelor's degree, Business Administration at Korea Aerospace UniversityBachelor's degree, Business Administration and Management, General, Exchange Student, Bachelor's degree, Business Administration and Management, General, Exchange Student at University of North DakotaBachelor's degree, Computer Science, 4.3/4.5, Bachelor's degree, Computer Science, 4.3/4.5 at Korea National Open UniversityNon Degree Program, Computer Science, Non Degree Program, Computer Science at Korea Advanced Institute of Science and Technology
English, Korean
Github Skills (16)
continuous-testing10
variants10
feature-toggle9
feature-flags9
continuous-deployment8
continuous-delivery8
go6
cloud-native6
spring-boot6
react5
redis5
docker4
mysql4
nodejs3
redis-client2
Programming languages (5)
Github contributions (5)
seanlion/MyTinyOS
Jan 2021 - Oct 2025
Contributions:1 push, 1 branch in 4 years 9 months
seanlion/seanlion.github.io
Aug 2017 - Jun 2021
Contributions:930 pushes, 2 branches in 3 years 11 months
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