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Jaeyoung Jang Email & Phone Number
Data Engineer
at
토스증권 (Toss Securities)
LinkedIn matched
✓ Verified Jul 2026
3 data sources
Profile completeness 86%
Current company
Role
Data Engineer
Location
Gyeonggi, South Korea, Korea, Republic of
Company size
Who is Jaeyoung Jang? Overview
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Quick answer
Jaeyoung Jang is listed as Data Engineer at 토스증권 (Toss Securities), a with 348 employees, based in Gyeonggi, South Korea, Korea, Republic of. AeroLeads shows a matched LinkedIn profile for Jaeyoung Jang.
Jaeyoung Jang previously worked as Database Platform Engineer at 카카오엔터프라이즈 (Kakao Enterprise). Jaeyoung Jang holds 학사, 컴퓨터공학과, Gpa 3.73/4.5 from 한경대학교.
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토스증권 (Toss Securities)
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Profile bio
About Jaeyoung Jang
Data Infrastructure Engineerabout Cloud, Database, and OpenSource Software.I possess expertise in operating NoSQL databases (Redis, MongoDB) within cloud-native environments, demonstrating a strong capability in managing these databases effectively with platform engineering.Have proficiency in operating NoSQL databases in hybrid multi-cloud environments, including on-premise setups, ensuring versatile database management across different platforms. And I am skilled in configuring database operations using open-source technologies. Additionally, I have expertise in developing in-house platforms and API servers using Golang, tailored for efficient operations.
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토스증권 (Toss Securities)
2 roles
Jaeyoung Jang work experience
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Database Platform Engineer
CurrentCloud/Database Platform Engineer# UnderCloud/Overcloud NoSQL(MongoDB, Redis) 운영 및 플랫폼 전환• NoSQL Database 운영 on Linux, multi VPC network• 하이브리드 멀티 클라우드 환경 NoSQL 운영(on-premise + cloud)• Redis on Kubernetes 플랫폼 전환 및 운영 ㄴ 신규 서비스 제공시간 95% 이상 단축하여 개발팀 생산성 향상(요청 후 연관부서의 PM 서버 지급요청, OS 프로비저닝 포함하여 업무일 7일 -> 3시간 이내) ㄴ shared resource를 통한 장비 효율성 확보로 PM 상면 사용률 최소 50% 이상 절감 ㄴ Kubernetes 오케스트레이션으로 높은 가용성과 확장성 확보 (Auto Healing In about a minute) 및 유연한 스케일링)• MongoDB Physical Based PITR 기능 구현 ㄴ 복원 시간 77% 단축(100GiB 기준 156분 -> 36분) 및 EA 라이선스 비용 절감• NoSQL Database 운영 자동화 (Golang, Ansible 활용)• NoSQL 데이터베이스 마이그레이션 및 구성 완료• CSAP, CSP, ISMS 인증 심사 대응• On-Call 요청 및 장애 대응 수행# KakaoCloud Memstore 서비스 개발 및 운영• Backup/Restore 기능 개발 ㄴ Redis 엔진 분석 및 테스트를 통해 신뢰성과 데이터 무결성을 확보한 Backup/Restore 기능 플랫폼화• Parameter Group 기능 개발 ㄴ Redis 엔진 분석 및 테스트를 기반으로 플랫폼화 ㄴ 국내 CSP Redis DBaaS 중 가장 많은 63개 파라미터 제공• 사용자 문의 처리, On-Call 요청 및 장애 대응 수행# Database CDC 플랫폼 구성• kafka connect + debezium connector 플랫폼 구성하여 CDC 파이프라인 구성
Jan 2023 - Present
1 education record
Jaeyoung Jang education
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한경대학교
FAQ
Frequently asked questions about Jaeyoung Jang
Quick answers generated from the profile data available on this page.
What company does Jaeyoung Jang work for?
Jaeyoung Jang works for 토스증권 (Toss Securities).
What is Jaeyoung Jang's role at 토스증권 (Toss Securities)?
Jaeyoung Jang is listed as Data Engineer at 토스증권 (Toss Securities).
Where is Jaeyoung Jang based?
Jaeyoung Jang is based in Gyeonggi, South Korea, Korea, Republic of while working with 토스증권 (Toss Securities).
What companies has Jaeyoung Jang worked for?
Jaeyoung Jang has worked for 토스증권 (Toss Securities) and 카카오엔터프라이즈 (Kakao Enterprise).
How can I contact Jaeyoung Jang?
You can use AeroLeads to view verified contact signals for Jaeyoung Jang at 토스증권 (Toss Securities), including work email, phone, and LinkedIn data when available.
What schools did Jaeyoung Jang attend?
Jaeyoung Jang holds 학사, 컴퓨터공학과, Gpa 3.73/4.5 from 한경대학교.
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