# Pattanapoom Phinjirapong

> Software Engineer, Dad, DIYer

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

Back-end Software Engineer. 

Large scale ETL job

Machine Learning certified
https://www.coursera.org/account/accomplishments/certificate/QXK2XQCNZ7HW


Google Cloud Fundamentals: Core Infrastructure certified
https://www.coursera.org/account/accomplishments/certificate/6XWFD9QGAEE6

## Work Experience
### Senior Software Engineer @ LinkedIn
Jan 2026 – Present | Mountain View, CA
Security Infrastructure

### Senior Software Engineer @ Non-Disclosure Agreement
Jan 2024 – Jan 2025 | Seattle, WA
• Migrated legacy Node.js monolith into Kotlin-based microservices with improved scalability and maintainability.
• Designed service migration architecture with zero customer downtime and telemetry-driven rollout monitoring.
• Built customer-facing tenant-screening product integrated with secure APIs, improving processing time and reliability.

### Senior Software Engineer @ SoFi
Jan 2021 – Jan 2023
• Designed and implemented real-time ACH transaction processing, replacing batch settlement and cutting latency from 1–2 days to seconds.
• Led a project to optimize Visa settlement workflows, reducing DB I/O and achieving 33% runtime reduction.
• Led migration from on-premise to AWS, re-architecting legacy C systems into scalable Python services.
• Mentored engineers on cloud design patterns, reliability practices, and monitoring strategies.

### Software Development Engineer II @ Amazon
Jan 2015 – Jan 2020 | Seattle, Washington
• Delivered large-scale distributed compute services handling terabytes of data daily across AWS.
• Reduced lock contention by 90% using a bin-packing optimization algorithm, improving throughput.
• Built EC2 host idling detection system, releasing unused resources and saving operational costs.
• Consolidated 130+ data pipeline tasks into 90 optimized workflows, boosting maintainability.
• Introduced Spark caching strategy reducing job runtime by 84%, enhancing performance and stability.

### Graduate Assistant @ Penn State University
Jan 2013 – Jan 2015
Tutoring undergrad students for Math, Stat, Java, C++

### Senior Software Engineer @ IndustrialBase
Jan 2011 – Jan 2012
• Developed an online scheduling website for hospitals, enabling scheduling from foreign countries.
• Created a gold price monitoring application with Android and Back-end systems for real-time alerts.

### Java Software Engineer @ Netservice
Jan 2008 – Jan 2011
• Enhanced the Ministry of Justice's complaint management system with a paperless framework, resulting in a KPI-enabled system.
• Improved the Department of Land’s survey management system by incorporating satellite information.

### C# Web Developer @ Openface Internet
Jan 2008 – Jan 2008
• Developed web applications for Canadian companies.
• Created a deals management system for Burger King Canada.
• Created a provided information website for Triathlon Canada, Macdonald Canada, and State Parks Canada.


## Education
### Master of Science (M.S.) in Computer Science
Capital College, Pennsylvania State University

### Bachelor of Engineering (B.Eng.) in Computer Engineering
Chulalongkorn University


## Contact & Social
- LinkedIn: https://linkedin.com/in/pattanapoom-phinjirapong-9280033b

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