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Dahye Lee
Skills
Language: Kotlin, Java, Python
Framework: Spring Boot, Django, JPA, Hibernate
DevOps: PostgreSQL, MySQL, ArgoCD, Kubernates, AWS S3, CloudFront, Redis, Kafka, DynamoDB
Etc: Gradle, IntelliJ, Git, PyCharm, Cursor AI, GraphQL
Framework: Spring Boot, Django, JPA, Hibernate
DevOps: PostgreSQL, MySQL, ArgoCD, Kubernates, AWS S3, CloudFront, Redis, Kafka, DynamoDB
Etc: Gradle, IntelliJ, Git, PyCharm, Cursor AI, GraphQL
Work Experience
Server Engineer, Buzzvil Jan 2025 -
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Migrated from Pypika to Django ORM standard library, enhancing maintainability and boosting team efficiency.
Backend Engineer, LG Uplus Kidsworld May 2022 - Sep 2024
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Reduced legacy server maintenance costs up to 30%. Migrated and synchronized 85,000+ content data using Kafka.
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Increased app reuse rate by over 60% and boosted new user acquisition by 12.6%, earning the LG Excellence Award for outstanding business impact.
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Migrated from Restful API to GraphQL API system, improving API response efficiency by 40%.
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Designed and implemented a scalable message delivery architecture by using AWS SQS message queue, handling 86M+ daily requests.
Software Engineer, Boeing Dec 2019 - Sep 2021
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Increased Code Coverage up to 80%. Designed 1500+ test cases using Python to verify Operating System.
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Boosted code coverage to 80% by designing 1,500+ Python test cases, enhancing the reliability of the operating system.
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Secured a $5 billion government contract by drafting a strategic project proposal to address budget constraints during COVID-19.
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Won Boeing Recognition Reward. Led our team daily scrum for 3 months and created comprehensive team-wide README documentation to streamline communication and enhance productivity.
Software Engineer Intern, S1 Corporation July 2019 - Aug 2019
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Enhanced work productivity. Implemented new network packet analyzer(Face Recognition) feature.
Android Developer, Hanwha Systems Jan 2018 - Feb 2019
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Increased app retention rate up to 30%. Implemented new overseas stock trading and management features.
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Redesigned SmartM stock trading app’s UI, improving UX for 500K+ users.
Frontend Developer Intern, Upton Realty Group Mar 2018 - Aug 2018
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Redesigned the company website’s UI/UX, increasing retention rate by 10%.
Leadership & Activities
spring/spring-data-redis
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Implemented custom NullValueSerializer(#2905)
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Implemented multiple key exist checker(#2883)
line/armeria
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Implemented Disk Memory Health Checker(#1854)
deepseek-ai/DeepSeek-V3
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[BUG]json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)(#721)
Education
Bachelor degree in Information System, HANYANG UNIVERSITY GPA 3.48 / 4.0 Feb, 2018
Seven times full scholarship and one-time half scholarship recipient