# Po Hsuan Hsieh

> SWE @ Viant® (NASDAQ: DSP) | Ex IBM, Microsoft

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

Po-Hsuan (Jason) Hsieh is a Hands-on Software Engineer and Technical Program Manager with a strong software engineering background and an AI-powered, LLM-driven mindset, delivering platform-scale and distributed systems across cloud DevOps and enterprise environments at AdTech, FinTech. Currently owning platform infrastructure programs at Viant (NASDAQ: DSP); previously at IBM and Microsoft, working on cloud-native solutions and large-scale enterprise systems. Focused and interested in TPM roles focused on platform engineering, infrastructure, and AI-enabled systems.

## Work Experience
### Software Engineer @ Viant Technology
Jan 2024 – Present | California, United States
• Owned and architected the end-to-end Ads Creative Approval platform, serving as the gating system for Google, Xandr, and Comcast FreeWheel (10K+ creatives/day) on DSP; cut campaign launch time and creatives approval time by driving phased delivery and rollout and building a scalable event-driven AWS architecture (API Gateway, SQS, Lambda) that processed 1K+ batch events per call and reduced manual operations
• Led end-to-end delivery of 3+ cross-functional infrastructure programs in AdTech platform (structured logging, foreign exchange API automation, third-party segment) with Java, Go, AI, LLM, Agentic, write functional, technical specifications, coordinating scope and milestones with Security, Product, RD, QA, Cloud stakeholders

### Application Consultant @ IBM
Jan 2020 – Jan 2023 | Taipei City, Taiwan
• Technical Program managed delivery of 2+ cloud-native solutions for Fortune 500 fintech, aligning engineers, architects, PM and client stakeholders across business and technical teams; proposed and implemented platform architecture on Azure with microservices and DevOps CI/CD best practices 
• Led from design through release development and architecture of a high-availability Short Message Service platform on Azure Agent and RedHat OpenShift, utilizing Java (Spring Boot), JavaScript (React), HTML and SQL Server; supporting 100K+ daily ETL transactions with strong reliability and quality
• Managed release lifecycle and XFN alignment for 30+ production-grade APIs powering a national railway reservation platform (160K+ daily users), driving delivery against 99.5% SLA target with stable rollouts
• Executed 3+ client rollouts, training sessions, mitigating delivery risks, enabled successful adoption

### Technical Program Intern @ Microsoft
Jan 2019 – Jan 2020 | Taipei City, Taiwan
• Drove the development and data pipeline of Asia Pacific’s largest Health Information System program across 5+ engineering teams, designing 10+ data migration and reporting procedures; collaborated with enterprise clients to ensure system integration, regulatory compliance, and 100% data integrity, accuracy leveraging C#, ASP.NET, Azure DevOps, SQL
• Directed a 10-person team and hosted technical workshops (Azure Custom Vision, Power BI) for 300+ participants, representing Microsoft at Cybersecurity Conference, Intel Workshop

### Partime @ McDonald's
Jan 2016 – Jan 2016 | New Taipei City, Taiwan
Fries and Nuggets


## Education
### Master's degree in Software Engineering
UC Irvine
Jan 2023 – Jan 2024

### Master's degree in Master of Software Engineering
UC Irvine Donald Bren School of Information and Computer Sciences
Jan 2023 – Jan 2024

### Bachelor's degree in Management Information Systems, General
Fu Jen Catholic University
Jan 2016 – Jan 2020


## Contact & Social
- LinkedIn: https://linkedin.com/in/jason-po-hsuan-hsieh
- Website: https://medium.com/@jasonroy7dct
- Website: https://jasonroy7dct.github.io/

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Source: https://flows.cv/pohsuanhsieh
JSON Resume: https://flows.cv/pohsuanhsieh/resume.json
Last updated: 2026-03-23