# Alex (SangHyeon) Ahn

> Staff Software Engineer at Instagram

Location: San Francisco, California, United States
Profile: https://flows.cv/alexsanghyeonahn

Full-stack developer scaling through AI.

기술로 선한영향력을 만들고 싶습니다.
8년차 실리콘밸리 인스타그램 스태프 개발자 💻
유튜브 "커리어해커 알렉스" 채널 운영 (18만 구독자) ▶️

e-mail: careerhackeralex@gmail.com

## Work Experience
### Staff Software Engineer @ Instagram
Jan 2023 – Present | Menlo Park, California, United States
- Tech Lead for IG Ads GenAI Product Experiences
- Leading TL for Instagram Ads Product Experiences including Creative strategy, Advertiser Strategy, and Ads Demand strategy, supporting 3+ teams (20+ eng).
- Launched Advantage+ Creative, cutting-edge creative solution suite for driving Ads Performance through AI / ML (2023 Q3 earnings call-out).
- Developing industry leading ads product solutions with GenAI.

### Senior Software Engineer @ Instagram
Jan 2021 – Present
- Lead TL for Advertiser Experiences on Instagram Ads Products across 8+ core creative features.
- Launched 12+ Instagram Ads Creative Products, spear-heading through Advertiser Experiences along with cross-function teams, supporting 5+ engineers.
- Built entire Instagram Ads Preview framework on Ads Manager from scratch.

### Software Engineer @ Instagram
Jan 2018 – Present | Menlo Park, California
- Developed various IG Ads products across full-stack and multiple interfaces (Ads Manager, API).
- Launched Instagram Explore Ads as a new ad placement.
- Developed ads creation reliability framework, preventing 6+ business critical revenue regressions.

### Software Engineer Intern @ Facebook
Jan 2018 – Jan 2018 | Menlo Park, California, United States
News Feed Growth Team

### Software Engineer Intern @ Moloco
Jan 2017 – Jan 2018 | Gangnam-gu, Seoul, Korea
• Collaborated in building a mobile DSP infrastructure (Go) and data pipelines (Java, Python).
• Led on creating the internal tools system to simplify / automate ~40% of the campaign management and operations.
• Launched mobile event tracking SDK Suite (Android, iOS, Unity, and JavaScript).
• Build an interactive Creative Manager for external advertisers (React & Redux).
• Contributed in constructing campaign management RESTful API server for product state management.

### Research Assistant @ The Johns Hopkins University
Jan 2016 – Jan 2018 | Baltimore
• Developed various machine learning based prediction models using the data scraped from the MLB Gameday website using R and Python.
• Designed unique features, automated data crawling and model training process, and simplified cross-validation and ROC analysis for rotational evaluations.
• Created an API for predicting the next pitch ball type using pre-trained models for MLB team managers.

### Data Analyst Intern @ Standard Chartered Bank
Jan 2013 – Jan 2013 | Seoul
• Assorted product sales data (~$3.5billion/yr) from the database, conducting linear regression analysis using Excel for sales projections.
• Summarized recent sales trends, estimated future revenues, and identified potential target clients (sales flux over 15%) using pivot tables, creating a business report along with graphical models to represent the performance of company products and sales teams on weekly basis.


## Education
### Bachelor’s Degree in Computer Science, Applied Mathematics & Statistics
The Johns Hopkins University


## Contact & Social
- LinkedIn: https://linkedin.com/in/alexsanghyeonahn
- Website: https://www.youtube.com/@career_hacker_alex

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Source: https://flows.cv/alexsanghyeonahn
JSON Resume: https://flows.cv/alexsanghyeonahn/resume.json
Last updated: 2026-03-22