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Flag of United States Highlands Ranch, United States
Member since November 28, 2013
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My developer career has been running in three fields: - Wireless network protocol - C/C++ Linux system development and integration - Wireless router development for Japan market. My role is researching deeply the current system, understanding thoroughly, find out a solution when having a change request or an upgrade request, give the corresponding effort estimation and plan for development. ACHIEVEMENT: • Gaining valuable work experience and knowledge as Linux system developer, especially in network protocol development. • Contributing as a system designer in network company in Japan market. ABILITY: • Able to research to design and upgrade a existing complex system, such as IEEE 802.16e WiMAX, 802.15.4g Wi-SUN • Investigate and give effective solutions when system have issues in design or implementation. • Experienced in system design, client-server model, M2M cloud, IoT devices with event-based OS. • Advance skill for developing system on Linux and cross-compiling by Linux.
$10 USD/hr
4 reviews
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • N/ARepeat Hire Rate


Recent Reviews

  • image of WarrEagle Project 15680628 has been deleted $132.00 USD

    “Neo did a great job, very fast, efficient and knew exactly what needed to be done to deliver a final product.”

  • image of cedartech Ubuntu Server $166.00 AUD

    “Quoc was very easy to work with and delivered on time and budget”

  • image of jenoyarae Project 15504029 has been deleted $200.00 USD

    “Excellent work done on time 1 Higly Recomended ! thnks a lot will hire again! A+++”

  • image of dannysky10 C programming $25.00 CAD

    “Quoc P is an excellent programmer. Strong working knowledge c of various programming languages. He is able to deliver results in the required time. Amazing communicator, responds on time. Great to hire if you need help with advanced c.”


Technical expert

May 2016 - Feb 2017 (9 months)

- C for WiMAX relay network system on IEEE 802.16e protocol. - Distribution system (server-client) for allocation radio resource. - IEEE 802.16e protocol (Japanese version: ARIB STD-T103) - Layer 2(L2) bridge for Ethernet frame on radio network. - Routing control for replay network

Technical specialist

Apr 2015 - Apr 2016 (1 year)

- C/C++ for Wi-SUN (IEEE 802.15.4g) project, EchonetLite protocol - C for Contiki OS on IoT device - Sensor data for machine-to-machine(M2M) cloud application - OSGi Java framework on ARM router - TLS on OSGi framework - Spring framework and SpringBoot framework for monitoring the wandering older people by Wi-SUN sensor devices

Technical specialist

Mar 2013 - Mar 2015 (2 years)

- C/C++ for Wi-SUN (IEEE 802.15.4g) project. - C for Contiki OS on IoT device - TLS/HTTPS protocol for Home Energy Management System (HEMS) - Mesh network with IPv6 routing by quagga and ripngd. - Implement SSL/TLS client and server on Contiki OS

Senior software engineer

Oct 2011 - Feb 2013 (1 year)

- C/C++ for IEEE P1900.4 project. - Developing server/client for network management in IEEE P1900.4 protocol. - TCP/IP Server for management routers. - Cross-compiling Atmark Dist (ARM devices) - Wireless router for Mesh network with olsrd - GPS device with NMEA 0183 protocol - ASN.1 with Asn1c

Junior software engineer

Aug 2010 - Oct 2011 (1 year)

- C/C++ for IEEE P1900.4 project. - Developing server/client for network management in IEEE P1900.4 protocol.


Bachelor of Science in Information technology

2006 - 2010 (4 years)


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