# Tony Kim

> Backend Engineer | Generalist

Location: New York, New York, United States
Profile: https://flows.cv/tonykim

## Work Experience
### Senior Software Engineer @ Medal
Jan 2024 – Present | New York, United States
i am backend for millions of users and billions of videos

Joined at Series C

Things I've worked on and owned 

Product
- Search (Elasticsearch)
- Automated account restoration
- Email modernization 
- Shared albums
- Valorant overlay

Infrastructure
- Transcoding Pipeline (FFmpeg)
- Watermarking videos on demand (e.g. 30 minute gaming clip processed in 5s)
- ML compression pipelines
- OpenTelemetry observability (MySQL, Elasticsearch)
- Email deliverability (i18n, SNDS reputation monitoring, automated list hygiene, fixed 37% bounce rate to 1.5% bounce rate)
- Cost optimizations 

Revenue
- Ads
- Ubisoft R6 Siege X

### Senior Software Engineer @ HubSpot
Jan 2022 – Jan 2024 | Remote
i am backend for systems generating millions of MRR
-hubspot apps
-crm records 
-crm cards (system since 2010s)
-app cards/ui-extensions (built 0 to 1)
-hubspot projects
-notifications
-business units

30+ microservices

Developer Product Group

### Software Engineer @ HubSpot
Jan 2020 – Jan 2022 | Cambridge, MA
i am backend for all things hubspot apps


Developer Product Group

### Software Engineer @ JPMorgan Chase & Co.
Jan 2019 – Jan 2020 | Greater Chicago Area
i am backend for payments

-interchange rules engine
-org hackathon winner (distributed kafka tooling)

Corporate & Investment Bank (Merchant Services - Interchange)


## Education
### Bachelor of Arts (B.A.) in Computer Science
Boston University

### Computer Science
National University of Singapore


## Contact & Social
- LinkedIn: https://linkedin.com/in/gijung-kim
- Website: https://gijungkim.com?ref=linkedin

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Source: https://flows.cv/tonykim
JSON Resume: https://flows.cv/tonykim/resume.json
Last updated: 2026-04-01