Resume

Contact

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  • πŸ“ž (+82) 10-3948-2978
  • πŸ“¨ yeom5002@naver.com

Experience

2024.6 - 2025.3
#Spring Boot

#Spring JPA

#Spring batch
#Postgresql

#Redis
#S3
#ElasticBeanstalk

#Github Actions
#Firebase
#Onesignal

#Naver Cloud
#Cloudwatch
Naechinso (λ¦¬νŠΈλ¦¬λ²„μ‚΄λ‘±)

Worked as a Backend Developer for the app "λ‚΄μΉœμ†Œ" at β€œλ¦¬νŠΈλ¦¬λ²„μ‚΄λ‘±β€

Achievement
  • Led the project from planning through to operation and customer service in collaboration with the λ©‹μŸμ΄ μ‚¬μž and κ°€λ°©λˆ communities, contributing to increased revenue.
  • Resolved OOM issues by processing large-scale marketing notifications in chunks using Spring Batch.
  • Improved performance and solved the JPA N+1 problem by using fetch join and configuring default_batch_fetch_size.
  • Enhanced push notification reliability and persistence by transitioning from FCM to OneSignal.
  • Addressed the absence of subscription verification in Google/Apple by implementing receipt validation and daily batch processing.
  • Optimized performance by transitioning from direct server-to-S3 uploads to the Presigned URL method.
  • Implemented efficient log collection and monitoring by introducing CloudWatch after evaluating various log systems.

Certificate

2024.02.06
Amazon Web Services (AWS)
AWS Solution Architect Associate(SAA-C03)
2023.12.02
Korea Data Agency (K-DATA)
SQLD
2023.12.02
YBM
TOEIC

955
2025.05.21
ACTFL
OPIC

IH(Intermediate High)

Education

Hankuk University of Foreign Studies

  • Mar 2020 – Feb 2023 (Graduated)
  • Major: ELLT (English Linguistics & Language Technology)
  • BLS (Bachelor of Language Science) Degree
  • GPA: 3.72 / 4.5

FastCampus Fintech Backend Developer Training Program

  • Sep 2022 ~ May 2023 (7 Months)

International Experience

United States

  • July 14, 2015 – August 2, 2016
  • Stayed in the United States for about one year as an exchange student.

Canada

  • April 5, 2010 – July 3, 2011
  • Stayed in Canada for about one year for language training.

Community

AWSKRUG – AWS Korea User Group

  • Sep 2023 – Present

Korea Tour Buddy (KR BUDDY)

  • Jan 2021 – Mar 2022
  • As a member of the Korea Tour Buddy (KR BUDDY) club at Hankuk University of Foreign Studies, I participated in weekly tours with international undergraduate students. Over the course of a year, this experience had me to build an international network, deepen cross-cultural understanding, and broaden my perspectives.

Skills

LANGUAGE

Java
Python
Kotlin

DATABASE

MySQL
MariaDB
PostgreSQL
H2
Elasticsearch
AWS RDS
S3

FRAMEWORK

Spring
Spring Data JPA
Swagger
Querydsl

TOOL

Redis
Kafka
nGrinder
Scouter
Spring Batch

DEVOPS

Docker
EC2
CloudFront
Jenkins
AWS CodeDeploy
ECS
Lambda
Route53
S3 Endpoint
AWS NAT Gateway
Cloudwatch