TsungLun
Liu
Preferred Name : Aaron Liu Email : j5877758777@gmail.com Phone: (323) 717 - 5660
Language: Mandarin (Native) and English (Intermediate)
Graduated from National Chiao Tung University B.S. Computer Science with GPA: 3.54
RELEVANT SKILLS
Python, Java,
MongoDB, PostgreSQL, PHP, C++, C#, React.js, Docker, ASP.NET MVC 5
Git projects
:
https://bitbucket.org/j5877758777/
PROFESSIONAL EXPERIENCE
Amazon [Software Engineer] 01/2022 - 01/2023
Service Development - Push Notification Service
Implemented backend features to support a new product type in Java.
Created a server-side canary test to trigger alerts in case of critical API feature unresponsiveness
Conducted server stress testing and monitored server health
Contributed to testing and code documentation, ensuring clear project records
Cross team collaboration to successfully launch a new feature
Manage source code using GIT for version control
Stratifyd [Backend Engineer] 10/2019 - 01/2022
Data Analysis Platform, Data Ingestion Service, Client-Focused Software Engineer
Designed and developed a data crawler using Python, resulting in 30% performance improvement
Provided exceptional client support by actively diagnosing and resolving technical issues
Basic data querying experience in MongoDB and PostgreSQL for information retrieval and filtering
Collaborated in the development of tools to enhance service maintenance and detect error status,
improving system reliability and performance
Performing root cause analysis on unexpected service behavior
Joy-way [Cooperating Technical Partners] 03/2019 - 06/2019
Course Management Systems
Access Camera and Microphone with WebRTC(Web Real-Time Communications).
Python Flask Server Integrate with Facial Identification system
Facebook & Google Login API with Laravel Socialite.
Secured web server with HTTPS protocol
Industrial Technology Research Institute, ITRI [Contract Employee] 07/2018 - 10/2018
Registration and Identification through Face recognition
Constructed with pretrained model(Face-net from google) in Python.
User interface made with C# WPF (Windows Presentation Foundation).
C# WPF
Designed multi-threaded system to handle user interface updates and data processing.
Emgu CV (OpenCV in .NET) to capture device camera.
Connect bar code scanner by serial port to read QR code.
Other Experience
C/C++
Used in Data Structure and Object-Oriented Programming course in school.
C# ASP.NET MVC
Account system with local MS-SQL and Email verification after register