Käyttäjän jokanies profiilikuva
Maan Belgium lippu Bruges, Belgium
Jäsen alkaen 1. joulukuuta 2018
1 Suositukset


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Hello! I have rich experiences in IoT/Bluetooth/Multimedia devices and iOS/Android/Windows/ Linux/MacOS app development, especially in the field of Wireless and Multimedia communication. My specialties are: • IoT prototyping • BLE/WiFi/LoRa/GPS communication • Firmware development/PCB Design • Embedded Linux • Video/Audio encoding/streaming/transcoding My experiences are: • Bluetooth: nRF51822, nRF52832, nRF52840, DA14580, DA14583, DA14585, CC2541, CC2640, BLE112, BGM113, CSR8670 • Wi-Fi: ESP8266, ESP32 • MCU: PIC, STM32, MSP430 • Video/Audio Processor: Hi3516, Hi3518, Hi3519, VS1063, VS1005, ADSP, ADAU, SAM3816, SAM5704 • FPGA: Xilinx spartan-3E, spartan-6, Artix-7, Zynq-7 series • App: iOS/Android Bluetooth App, Video Encoding/Transcoding/Streaming • Video Codec: H.264/AVC, H.265/HEVC, VP8/VP9, MPEG2/MPEG4, VC1/WMV3 • Audio Codec: MPEG Audio, MP3, AAC, AC3, DTS, OGG • Protocol: RTP, RTSP, RTMP, MMS, MPEG DASH, HLS, SIP, SDP • Open Source: FFmpeg, VLC, x264, x265, Live555, OpenCV
$50 USD/hr
7 arvostelua
  • 100%Suoritetut työtehtävät
  • 99%Budjetin mukaisesti
  • 99%Ajallaan
  • 6%Uudelleenpalkkaamisaste


Viimeaikaiset arvostelut

  • käyttäjän Charlie J. kuva Project for Johannes V. -- 2 $2900.00 USD

    “I highly recommend Johannes V, we will be using him for our ongoing projects. He provides extremely good quality work and is very skilled, often providing helpful improvements on the project and delivering excellent work within the discussed timeframes.”

  • käyttäjän Hans N. kuva Develop a Vending MDB lib for STM32 embedded device $6200.00 USD

    “We have hired Johannes for embedded STM32 development. He is a great developer that completed all the tasks with high quality and speedy deliveries. He is open minded and easy to communicate with and suggests improvents where needed and have good ideas on how to solve the tasks given. We will definitely hire him again for future projects.”

  • käyttäjän Yin W. kuva Arduino Expert $118.00 USD

    “Johannes is very good embedded expert. He completely is solved all the specifications. I will continue to work with him.”

  • käyttäjän Dan C. kuva Audio Player (mp3 and streaming) working on Raspberry PI €2500.00 EUR

    “Good understanding of specifications, proactive attitude, flexibility in finding the solutions applied on the specific use of the project they are working on.”

  • käyttäjän Johnny kuva Windows 10 Core IoT remote update App $700.00 USD

    “Johannes has excellent skills in the OTA problem. His work was exactly what I needed and his knowledge with Vending and MDB will be used in the near future. I recommend this freelancer because he is very professional and his understanding of the problem is beyond my wildest expectation”

  • käyttäjän Martin S. kuva Project for Johannes V. -- 2 €1270.00 EUR

    “Johannes understands complex problems and has very good ideas and the ability to solve them. He is working very fast and reliable. I will continue to work with him.”


independent engineer

Jan 2013 - Dec 2018 (5 years)

industrial design of products devellopment of website's, apps managment of organisations

industrial designer

Jan 2009 - Dec 2012 (3 years)

industrial design of consumer products


Jan 2005 - May 2008 (3 years)

industrial design of high speed camera's manage and perform devellopment of website's


Master Product Engineering Mechanica

2000 - 2005 (5 years)


master industrial design (2005)


high degree into industrial design

mba polymers (2006)

KHBO Oostende

master engineering degree into polymers


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