Dien Nguyen - Embedded Developer

Q: Where is Dien based?

Dien is based in Ho Chi Minh City, Viet Nam .

Q: What languages does Dien speak?

Dien speaks the following languages: English (Advanced), Vietnamese (Intermediate) .

Q: How many years of experience does Dien have?

Dien has at least 16 years of experience. During this time, Dien has worked in at least 2 different roles and for 2 different companies . The average length of individual experience is 8 years and 9 months . Note that Dien may not have shared all experience and actually has more experience.

Q: What is Dien's latest experience?

Dien's most recent position is Embedded Developer at US Company (Remote) .

Q: What companies has Dien worked for in recent years?

In recent years, Dien has worked for US Company (Remote) .

Q: Which industries is Dien most experienced in?

Dien is most experienced in industries like Information Technology and Telecommunication .

Q: Which business areas is Dien most experienced in?

Dien is most experienced in business areas like Product Development and Information Technology .

Q: Which industries has Dien worked in recently?

Dien has recently worked in industries like Information Technology and Telecommunication .

Q: Which business areas has Dien worked in recently?

Dien has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Ho Chi Minh City, Viet Nam

Check rate

Experience

Apr 2018 - Present

8 years 4 months

United States

Embedded Developer

US Company (Remote)

GPS tracking box powered by Variscite AM43 SOM, Debian based OS: in charge of bootstrapping base Debian firmware, developing LTE interface and GPS, maintaining software up to date with APT server
RPI projects powered by CM3 module: support board-specific changes (stereo camera, CAN bus, secure chip), implement agent on RPI to communicate with Thingsboard cloud server, maintain build repository to ensure firmware reproducibility
Set top box based on Embedded Linux: Odroid-C1+, Odroid-C2 and other S905 SoC based STB, aiding customer deployment of applications ported from x86, including special root filesystem and customized kernel
OpenWRT board bring up for MT7620, MT7621, AR9531, AR9331, IPQ4019, MT7981 and MT7988
Supported multi-WAN interfaces failover and failback between LTE and Ethernet (forked from mwan3)
LTE and 5G modem bring up (Quectel RM520N, RM500Q, Telit FN990, Sierra EM9191, EM7565) and 4G modems (Quectel EC25, EP06, Sierra MC7455, MC7411)
Implemented customized modem manager to handle intermittent LTE network
Integrated ATSHA204 and ATECC508 security chips for anti-cloning
Supported social login (Facebook, Twitter, Google+, Paypal) and email login for captive portal
Implemented agent on OpenWRT and cloud server for API configuration using TR069, MQTT, WebSocket
Developed firmware for Mofi4500, Mofi5500 and Mofi6500 commercial 4G LTE/5G routers and proprietary features for MofiNetwork routers
Developed NRF52 with LoRa (RAK4600 module) applications including train wagon counter and order detection based on BLE beacons with server reporting over LoRa
Developed ESP32 Bluetooth bridge to scan Multisense sensor data and report to cloud
Supported FSK mode for SX1276 on STM32L0 Cricket board for asset tracking
Implemented data communication to Azure IoT and AWS IoT
Developed Docker containers for server services

Jan 2011 - Apr 2018

7 years 4 months

Senior Embedded Software Engineer

Applied Micro Circuits Corporation

Brought up IDT 89H32NT PCIe switch: designed and implemented protocol to connect multiple SoCs (XGene AArch64 and six Tegra TX1/TX2 boards); achieved 2 GB/s bandwidth between AArch64 and Tegra nodes
Brought up ARM 64-bit XGene SoC on customer projects: implemented driver for Marvell 98DX3133 PHY and ported Tianocore bootloader to big-endian for Cisco ESPN; brought up PCIe switch and Marvell 98dx8216 10 Gbps Ethernet switch driver for Gryphon EVT2; supported Lynx board using Storm SoC ARM 64-bit
Brought up PowerPC SoCs on customer boards: ported 802.11ac Broadcom and Atheros drivers for Applied Micro Keelback and Katalina SoCs with performance tuning; integrated Atheros AR8327 Giga Switch and AR9330 Wi-Fi drivers on Bluestone SoC for Netgear WNDR4700
Performed low-level bring up with bootloaders (U-Boot, Tianocore) and debugging with BDI3000
Developed Linux kernel device drivers (PCIe, Ethernet, Wireless, Crypto, I2C, GPIO) and familiar with Linux network stack
Worked with PCIe bus and device drivers
Developed Linux applications including shell scripting, socket programming, libmosquitto and libjansson
Configured networks and performance tuning using iptables, tc, QoS and traffic shaping

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Telecommunication.

Information Technology

Telecommunication

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Product Development and Information Technology.

Product Development

Information Technology

Summary

To obtain a Software Developer position in the embedded system industry where my expertise in embedded Linux will positively contribute to my team, department and company.

Skills

Work As A Team, Be Optimistic About The Future.
Responsible And Trust Worthy, Flexible And Quick Study Person.
Favourite Text Editor: Vim

Languages

English

Advanced

Vietnamese

Intermediate

Education

Sep 2006 - Jan 2011

Ho Chi Minh City University of Technology

Bachelor of Science · Computer Engineering · Ho Chi Minh City, Viet Nam · GPA 8.74/10

Statistics

Experience

Total positions 2

Experience in Information Technology 15.5 y

Avg length 7 y 9 m

Longest experience 8 y 3 m

Global Experience

Countries worked in 1 (United States)

Primary country United States

Expertise

Recent roles Embedded Developer, Senior Embedded Software Engineer

Main industries Information Technology, Telecommunication

Main business areas Product Development, Information Technology

Qualifications

Highest degree Bachelor

Profile

Created

June 2025

Last Update

June 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Dien based?

Dien is based in Ho Chi Minh City, Viet Nam.

What languages does Dien speak?

Dien speaks the following languages: English (Advanced), Vietnamese (Intermediate).

How many years of experience does Dien have?

Dien has at least 16 years of experience. During this time, Dien has worked in at least 2 different roles and for 2 different companies. The average length of individual experience is 8 years and 9 months. Note that Dien may not have shared all experience and actually has more experience.

What roles would Dien be best suited for?

Based on recent experience, Dien would be well-suited for roles such as: Embedded Developer, Senior Embedded Software Engineer.

What is Dien's latest experience?

Dien's most recent position is Embedded Developer at US Company (Remote).

What companies has Dien worked for in recent years?

In recent years, Dien has worked for US Company (Remote).

Which industries is Dien most experienced in?

Dien is most experienced in industries like Information Technology and Telecommunication.

Which business areas is Dien most experienced in?

Dien is most experienced in business areas like Product Development and Information Technology.

Which industries has Dien worked in recently?

Dien has recently worked in industries like Information Technology and Telecommunication.

Which business areas has Dien worked in recently?

Dien has recently worked in business areas like Information Technology and Product Development.

What is Dien's education?

Dien holds a Bachelor in Computer Engineering from Ho Chi Minh City University of Technology.

What is the availability of Dien?

Dien is immediately available for suitable projects.

What is the rate of Dien?

Dien's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.