Mar 2022 - Present
AeroLeads people directory · profile
Doyoub Kwon Email & Phone Number
BackEnd Developer
at
Viva Republica (Toss)
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
BackEnd Developer
Location
Seoul, South Korea, Korea, Republic Of
Company size
Who is Doyoub Kwon? Overview
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Quick answer
Doyoub Kwon is listed as BackEnd Developer at Viva Republica (Toss), a company with 291 employees, based in Seoul, South Korea, Korea, Republic Of. AeroLeads shows a matched LinkedIn profile for Doyoub Kwon.
Doyoub Kwon previously worked as 백 엔드 개발자 at Viva Republica (Toss) and Back End Developer at Hyperconnect. Doyoub Kwon holds 학사, 전기정보공학부 from Seoul National University.
Company email context
Email format at Viva Republica (Toss)
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Viva Republica (Toss)
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Profile bio
About Doyoub Kwon
I have a keen interest in both the mobile advertising domain and the commerce domain, particularly having experience in building advertising systems from scratch. During the initial setup of advertising systems, I have designed both reward-based ads and DA (Data Analytics) ads, and actively participated in constructing pipelines for ad event collection and implementing systems for user targeting.Leveraging such experiences, I am keen on ventures that are grounded in the advertising domain. My background has equipped me with valuable insights and skills that I believe can contribute significantly to businesses operating within this domain.I
Current workplace
Doyoub Kwon's current company
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Viva Republica (Toss)
2 roles
Doyoub Kwon work experience
A career timeline built from the work history available for this profile.
Back End Developer
I'm Java/Kotlin Backend Engineer at HyperConnect.- Use Spring Framework(MVC, WebFlux) for development- Build MicroServices using Mongo/Cassandra/RDBMS (MySQL)- Use Redis and Apache Kafka for Event Driven Architecture- Develop and Operate on AWS Cloud- Design API based on Token authentication API (OAuth2)- CI/CD with Docker, Kubernetes
Jul 2020 - Mar 2022
Team & coworkers
Colleagues at Viva Republica (Toss)
Other employees you can reach at toss.im. View company contacts for 291 employees →
김
김덕원
Colleague at Viva Republica (Toss)
Seoul, Seoul, South Korea, Korea, Republic Of
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강
강희진
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
김
김재덕
Colleague at Viva Republica (Toss)
South Korea, Korea, Republic Of
View →
이
이예서
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
배
배희영
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
이
이다영
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
YP
Yejin Park
Colleague at Viva Republica (Toss)
Gyeonggi, South Korea, Korea, Republic Of
View →
문
문설민
Colleague at Viva Republica (Toss)
Seoul Incheon Metropolitan Area, Korea, Republic Of
View →
HW
Hyerin Won
Colleague at Viva Republica (Toss)
Gyeonggi, South Korea, Korea, Republic Of
View →
김
김유라
Colleague at Viva Republica (Toss)
South Korea, Korea, Republic Of
View →
김덕원
Colleague at Viva Republica (Toss)
Seoul, Seoul, South Korea, Korea, Republic Of
View →
강
강희진
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
김
김재덕
Colleague at Viva Republica (Toss)
South Korea, Korea, Republic Of
View →
이
이예서
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
배
배희영
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
이
이다영
Colleague at Viva Republica (Toss)
Seoul, South Korea, Korea, Republic Of
View →
YP
Yejin Park
Colleague at Viva Republica (Toss)
Gyeonggi, South Korea, Korea, Republic Of
View →
문
문설민
Colleague at Viva Republica (Toss)
Seoul Incheon Metropolitan Area, Korea, Republic Of
View →
HW
Hyerin Won
Colleague at Viva Republica (Toss)
Gyeonggi, South Korea, Korea, Republic Of
View →
김
김유라
Colleague at Viva Republica (Toss)
South Korea, Korea, Republic Of
View →
1 education record
Doyoub Kwon education
FAQ
Frequently asked questions about Doyoub Kwon
Quick answers generated from the profile data available on this page.
What company does Doyoub Kwon work for?
Doyoub Kwon works for Viva Republica (Toss).
What is Doyoub Kwon's role at Viva Republica (Toss)?
Doyoub Kwon is listed as BackEnd Developer at Viva Republica (Toss).
Where is Doyoub Kwon based?
Doyoub Kwon is based in Seoul, South Korea, Korea, Republic Of while working with Viva Republica (Toss).
What companies has Doyoub Kwon worked for?
Doyoub Kwon has worked for Viva Republica (Toss) and Hyperconnect.
Who are Doyoub Kwon's colleagues at Viva Republica (Toss)?
Doyoub Kwon's colleagues at Viva Republica (Toss) include 김덕원, 강희진, 김재덕, 이예서, and 배희영.
How can I contact Doyoub Kwon?
You can use AeroLeads to view verified contact signals for Doyoub Kwon at Viva Republica (Toss), including work email, phone, and LinkedIn data when available.
What schools did Doyoub Kwon attend?
Doyoub Kwon holds 학사, 전기정보공학부 from Seoul National University.
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