# Sangwon Ko

> Software Engineer

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/sangwon

Software engineer with 15+ years of experience building and designing systems.
Lately, I’ve been working on AI and machine learning, focused on agentic systems.

## Work Experience
### Staff Software Engineer @ Cognichip Inc.
Jan 2025 – Present | San Francisco Bay Area
Leading work in agentic AI and machine learning.

### Technical Lead @ Salt AI
Jan 2024 – Jan 2025 | United States
Architected a distributed AI platform featuring GPU resource scheduling and a visual workflow engine. I developed the system from the backend infrastructure to the cloud-native IDE, enabling users to deploy complex AI pipelines as production-ready APIs.

### Software Engineer @ Nextdoor
Jan 2021 – Jan 2023 | San Francisco Bay Area
Managed the Django monolith on K8s/AWS and migrated the core task queue handling 50% of all platform traffic. I also re-architected the global feature flag system for real-time updates and decoupled User APIs from the ORM to improve database scalability.

### Senior Solutions Engineer @ Joyent
Jan 2019 – Jan 2021 | San Francisco Bay Area
Designed and built a IaaS platform, including centralized PKI and Secret Management services. I also delivered the automation framework that improved API stability and deployment velocity for high-availability environments.

### Software Engineer @ SAP
Jan 2018 – Jan 2019 | Seoul, Korea
Built the HANA DBaaS, focusing on core telemetry, data migration, and billing services. I used Python and Go to architect high-scale systems for transitioning massive enterprise workloads to the cloud.

### Senior Research Engineer @ LG Electronics
Jan 2012 – Jan 2017 | Seoul, Korea
Built the LG ThinQ IoT Platform on AWS for large-scale device connectivity, handling messaging brokers and FOTA services. I established software design metrics and monitoring systems across all global product lines. I also applied Software Product Line engineering using feature models to the washing machine platform, achieving 80% code reusability, and introduced Automotive SPICE processes for Battery Management Systems.

### Software Engineer @ Lotte Data Communication Company
Jan 2009 – Jan 2012 | Seoul
Developed large-scale retail B2C/B2B platforms and mobile sales systems, ensuring high availability for high-volume payment and tax data transactions.

### Sergeant @ Republic of Korea Army
Jan 2001 – Jan 2003
Completed mandatory military service


## Education
### Master's Degree in Computer Engineering
Hanyang University

### Bachelor's Degree in Computer Engineering
Gyeongju University


## Contact & Social
- LinkedIn: https://linkedin.com/in/kosangwon

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