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<html><head></head><body><div class="row snippet-profile-071" style="text-align: center;"><div style="margin-top:0px" class="col-sm-12"><h1 style="text-align: center; margin:0px"><span style="color: inherit; letter-spacing: 0px;">TsungLun&nbsp;</span><span style="color: inherit; letter-spacing: 0px;">Liu</span></h1><div><span style="color: inherit; letter-spacing: 0px;"><br></span></div><div>Preferred Name : Aaron Liu&nbsp; &nbsp; Email : j5877758777@gmail.com&nbsp; &nbsp; &nbsp;Phone: (323) 717 - 5660&nbsp;<br></div><div>Language: Mandarin (Native) and English (Intermediate)&nbsp;</div><div>Graduated from&nbsp;National Chiao Tung University&nbsp;B.S. Computer Science with&nbsp;GPA: 3.54</div><div><br></div></div></div><div class="row snippet-paragraphs-001"><div class="col-xs-12" style="margin-top:-20px;"><h1><b>&nbsp; &nbsp;</b>RELEVANT SKILLS</h1><h4><b>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</b>Python, Java,<b>&nbsp;</b>MongoDB, PostgreSQL, PHP, C++, C#, React.js, Docker, ASP.NET MVC 5</h4><h4>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Git projects<span style="color: inherit; letter-spacing: 0px;">:&nbsp;<b>https://bitbucket.org/j5877758777/</b></span></h4></div></div><div class="row snippet-experiences-013"><div class="col-xs-12" style="margin-right:20px"><div class="row"><div class="col-xs-12"><h1><b>&nbsp; &nbsp;</b>PROFESSIONAL EXPERIENCE</h1></div></div><div class="row" title=""><div class="col-xs-2 col-sm-1 item-bullet"></div><div class="col-xs-10 col-sm-11 item"><h2>Amazon&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; [Software Engineer] 01/2022 - 01/2023</h2><div>Service Development - Push Notification Service</div><div><ul><li>Implemented backend features to support a new product type in Java.</li><li>Created a server-side canary test to trigger alerts in case of critical API feature unresponsiveness</li><li>Conducted server stress testing and monitored server health<br></li><li>Contributed to testing and code documentation, ensuring clear project records</li><li>Cross team collaboration  to successfully launch a new feature</li><li>Manage source code using GIT for version control</li></ul></div></div></div><div class="row" title="" style="display: block;"><div class="col-xs-2 col-sm-1 item-bullet"></div><div class="col-xs-10 col-sm-11 item"><h2>Stratifyd&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;[Backend Engineer] 10/2019 - 01/2022</h2><div>Data Analysis Platform, Data Ingestion Service,&nbsp;Client-Focused Software Engineer</div><div><ul><li>Designed and developed a data crawler using Python, resulting in 30% performance improvement<br></li><li>Provided exceptional client support by actively diagnosing and resolving technical issues</li><li>Basic data querying experience in MongoDB and PostgreSQL for information retrieval and filtering</li><li>Collaborated in the development of tools to enhance service maintenance and detect error status,<br>improving system reliability and performance<br></li><li>Performing root cause analysis on unexpected service behavior<br></li></ul></div></div></div><div class="row" title="" style="display: block;"><div class="col-xs-2 col-sm-1 item-bullet"></div><div class="col-xs-10 col-sm-11 item"><h2>Joy-way&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; [Cooperating Technical Partners]   03/2019 - 06/2019</h2><div>Course Management Systems</div><div><ul><li>Access Camera and Microphone with WebRTC(Web Real-Time Communications).</li><li>Python Flask Server Integrate with Facial Identification system<br></li><li>Facebook &amp; Google Login API with Laravel Socialite.&nbsp;</li><li>Secured web server with HTTPS protocol<br></li></ul></div></div></div><div class="row" title="" style="display: block;"><div class="col-xs-2 col-sm-1 item-bullet"></div><div class="col-xs-10 col-sm-11 item"><h2>Industrial Technology Research Institute, ITRI&nbsp; &nbsp;[Contract Employee]   07/2018 - 10/2018</h2><div>Registration and Identification through Face recognition</div><div><ul><li>Constructed with pretrained model(Face-net from google) in Python.&nbsp;</li><li>User interface made with C# WPF&nbsp;(Windows Presentation Foundation).&nbsp;</li></ul><div>C# WPF</div></div><div><ul><li>Designed multi-threaded system to handle user interface updates and data processing.&nbsp;<br></li><li>Emgu CV (OpenCV in .NET) to capture device camera.</li><li>Connect bar code scanner by serial port to read QR code.</li></ul></div></div></div><div class="row" title="" style="display: block;"><div class="col-xs-2 col-sm-1 item-bullet"></div><div class="col-xs-10 col-sm-11 item" style="margin-bottom:-20px;"><h2>Other Experience</h2><div>C/C++</div><div><ul><li>Used in Data Structure and Object-Oriented Programming course in school.</li></ul><div>C# ASP.NET MVC</div></div><div><ul><li>Account system with local MS-SQL and Email verification after register</li></ul></div></div></div><div class="row" title="" style="display: block;"><div class="col-xs-2 col-sm-1 item-bullet"></div><div class="col-xs-10 col-sm-11 item"><br></div></div></div></div></body></html>

TsungLun Liu Preferred Name : Aaron Liu Email : j@gmail.com Phone:Language: Mandarin (Native) and English (Intermediate) Graduated from National Ch...

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Aaron  Liu

TsungLun Liu Preferred Name : Aaron Liu Email : j@gmail.com Phone: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/j/ PROFESSIONAL EXPERIENCE Amazon [Software Engineer] 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//2022 Data Analysis Platform, Data Ingestion Service, Client-Focused Software Engineer Designed an...

TsungLun Liu

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

Stratifyd [Backend Engineer] 10/2019 - 01/2022

Joy-way [Cooperating Technical Partners] 03/2019 - 06/2019

Industrial Technology Research Institute, ITRI [Contract Employee] 07/2018 - 10/2018

Other Experience