CyberAgent(2014/2 – Present)

Software Engineer, AdTech

Location Based ADNW/DMP 2015 -

role: tech lead

• developped batch tasks for reporting.
• developped user segmentation system.
• developped adserver.
• visualized data.
• worked for sales engineer when needed
• etc

System

• mainly AWS

Language

• mainly used Java
• Python
• Ruby
• Javascript

Databases

• RDS(Mysql)
• RedShift(Postgres)
• ElasticCache(Redis)
• DynamoDB
• etc

Technologies(Frameworks/Build,etc)

• MyBatis
• Spring
• Tableau
• Gradle
• Git
• etc

DSP(Demand Side Platform) 2014

• developped API servers and the bidding system.
• optimazed creative rotation algorythm.
• connected several SSP(Supply Side Platform).
• etc

System

• mainly AWS

Language

• mainly used Java
• Python
• Ruby

Databases

• RDS(Mysql)
• RedShift(Postgres)
• ElasticCache(Redis)

Technologies(Frameworks/Build,etc)

• Tomcat
• Gradle
• Git
• etc

Google(2013/4 – 2014/2)

Associate, Product Quality Operations

Search Quality Enhancement Team

Mission: improve use experience for search

• made the definition of spam
• developped several tools for detecting spams
• developped several tools for improving the operations.