Embedded Software Engineer.
I am interested in with low level coding and always curious about what is behind each library.
My current activity in spare time.

• Studying ALGO&DS by problem resolving on leetcode
• Studying compiler by creating one meo

• Email : [email protected]
• LinkedIn: truongpt
• Twitter: truongptk30a3
• Leetcode: gravieb
• Mobile : +81-906-022-0187
• blog: https://gravieb.wordpress.com
• Now, I am living in Yokohama, Japan

• 09/2001 - 06/2004: Phan Boi Chau Specialized High School, Nghe An - Viet Nam.
  • 2rd prize Vietnam National Physics Contest for high school - 2004
  • Bronze medal 5th Asian Physics Olympiad - 2004
• 09/2004 - 06/2009: Hanoi University of Science and Technology
  • Talented Programs
    • B.S. in Automatic Control/Electrical Engineering
  • Graduation thesis: 48V DC - 220V AC, 500W Converter, control by dspic30f4011
  • 3rd prize research student of Electrical Engineering department - 2009
  • Overall GPA: 8.15/10

• 05/2019: Fundamentals of Digital Image and Video Processing - Coursera
• 10/2019: Machine Learning - Coursera
• 01/2021: AWS Certified Solutions Architect Associate
• 02/2021: Neural Networks and Deep Learning - Coursera
• 03/2021: Improving Deep Neural Networks: Hyperparameter Tuning, Regularization and Optimization - Coursera

• Programming Language.
  • C
  • C++.
• Multimedia processing.
  • MPEG2-Video/H.262
  • AVC/H.264
  • HEVC/H.265
  • MPEG2-TS
• Open Source Software.
  • FFmpeg
  • GStreamer
  • HEVC Model(HM)
  • AVC Joint Model(JM).
• Linux Device Driver
• Hardware
  • Soc base on ARM
  • Soc base on MISP
  • Microcontroller 8/16bit PIC, AVR.
• Firmware
  • Digital Television
  • Camera Recorder

• Vietnamese: Native
• English: Intermediate, Communicate Fluently
• Japanese: nearly N2

• 03/2021 - Present: Compiler Engineer at EdgeCortix
• 08/2018 - 02/2021: Embedded Software Engineer at VTI Co Limited
• 07/2013 - 07/2018: Software Engineer, Bridge System Engineer at FPT Japan
• 07/2009 - 07/2013: Software Developer at FPT Software Ha Noi
• 11/2007 - 02/2009: Part time job as Embedded Developer at Binh Anh Electronics

• 03/2021 - Present: Compiler Software Engineer (machine learning)

• 10/2020 - 02/2021: Cloud Engineer

Analysis of Japanese Medical Standards Requirement Guideline to operate on Amazon Web Service.

• 08/2018 - 09/2020: 3D TOF sensor

Develop framework and driver for 3D TOF sensor.
Responsibility:

• Implement image filter pipeline.
• Investigate improve performance by using arm NEON instruction.

• 5/2018 - 7/2018: Linux Kernel BSP.

Investigate to port the property device driver part on SoC of the customer to upgrade Linux kernel 3.18.24 to 3.18.82.
Responsibility:

• Investigate USB stack in Linux Device Driver.
• Analysis bugfix modification of customer on old SoC

• 10/2017 - 04/2018: eTKernel Driver

Porting (design, coding, testing) HD-DMAC, HS-SPI, I2S, ENC/DEC driver on eTKernel to new SOC of customer. Responsibility:

• Communicate between offshore team and customer.
• Support offshore team requirement analysis, discuss solution, support fixbug.

• 04/2017 - 10/2017: CAN Network test tool.

Develop tool which instead of ECUs in CAN network to test Automotive Head Unit.
Responsibility:

• Communicate between offshore team and customer.
• Support offshore team requirement analysis, discuss solution, support fixbug.

• 08/2015 - 04/2017: 🎥 Camera recorder firmware.

Develop core video encoder of security & professional camera, supports MPEG2-Video/H.262, AVC/H.264, HEVC/H.265.
Responsibility:

• Implement feature change GOP (grop of picture) of output stream.
• Adjust reference parameter of each picture to find the best option.
• Investigate bug with related in Hardware.

• 07/2013 - 07/2015: 📺 4k Television firmware.

Develop firmware of 4K digital television, supports MPEG2-TS, MP4 file format.
Responsibility:

• Develop high speed demux module for 4K stream, supports MPEG2-TS, MP4 file format.
• Investigate and fix bug.

• 04/2012 - 06/2013: Linux Kernel BSP (cont).

Resolve problem of linux driver, media framework when upgrading from Android 2.3 to 4.0.
Responsibility:

• Investigate and support problem of SPI, I2C, GPIO driver.
• Investigate and fix bug of Android Media Framework.

• 09/2012 - 02/2013: G-BOOK

Develop G-BOOK system on Carnavi.
Responsibility: ✈️ Onsite at Nagoya to investigate and fix bug.

• 04/2012 - 09/2012: Linux Kernel BSP.

Resolve problem of linux driver, media framework when upgrading from Android 2.3 to 4.0.
Responsibility: Testing SPI, I2C, GPIO driver. Fix bug driver & media framework.

• 11/2011 - 04/2012: Audio Video Decoder-2.

Develop core multimedia processing firmware following to API of OpenMax- IL to integrate with Stagefright on Android Media Framework.
Responsibility:

• Develop video decoder component, support H.264 video coding format.
• ✈️ Onsite 3 months at Kyoto to discuss solution and design with customer

• 08/2009 - 11/2011: 📺 Audio Video Decoder-1.

Develop firmware of digital television (Digital Video Broadcasting - Terrestrial). Support trick play (slow, fast) with MP4, MKV, ASF, AVI file format.
Responsibility:

• Develop AVC/H.264 decoder, Video display.
• ✈️ Onsite 1 month at Kyoto to test and fixbug by using customer's data

Partime job.

• Create some utility by PIC16F877A and RF module.
• Design PCB using Altium 6.0
• Study sensor network by Microchip Stack for the ZigBee™ Protocol.

• 02/2017: Using motion vector to insert specific data, the implementation uses H.264 video format.
• 08/2017: Proof Of Concept transcode from MPEG2 to H.264 to reduce bitrate by using Raspberry PI.
• https://gravieb.wordpress.com