Profile image of saygins
Flag of Turkey GÜngÖren, Turkey
Member since December 12, 2014
3 Recommendations


Online Offline
- embedded software and firmware development - C, C++, Python programming - Qt framework for embedded and desktop gui - Matlab/Simulink for control and signal processing - nRF52832/nRF52840, ESP32/ESP8266 - Cloud Server : Amazon aws, Azure IoT, MQTT, RESTful API - Raspberry Pi, Beaglebone Black, Arduino, PIC, ATMEL, ST, Texas Instruments, ARM Cortex-M Microcontrollers, DSP - Wireless, Ethernet, BLE, LTE communication - low level drivers - linux kernel
$30 USD/hr
15 reviews
  • 94%Jobs Completed
  • 97%On Budget
  • 79%On Time
  • 5%Repeat Hire Rate

Portfolio Items

Recent Reviews

  • image of Edward D. BLE112 Debugging £1650.00 GBP

    “Saim is extremely professional. It has been a pleasure to engage him for our project, and he has sorted out many problems that other developers couldn't fix. He is clearly extremely talented, and I look forward to hiring him again. Would highly recommend!”

  • image of Erbe Software S. Make Android APK - SCUMMVM (emulator) + Game (rom) for Android stores (Google & Amazon) €500.00 EUR

    “Good and fast job. Good quality.”

  • image of Gil M. Distance measuring $650.00 USD

    “Saim is highly professional with great technical skills. He is highly committed to his tasks and milestones, and always willing to work during weekends and night to provide good results. He spent a lot of time to explain and support me even more than expaected. I fully recommend to work with him, Gil”

  • image of Antonio D. nrf52n project Logging Discovered Beacon €900.00 EUR

    “Professional and always available to discuss about new solutions and improvements. Recommend to design prototypes. Good Skill on C and NRf52832. Looking forward to work with you again.”

  • image of Xiaoqi D. AES256 bit encryption on nRF52832 $45.00 USD

    “Great excellent freelancer. Saim S. has resolved the problems in the shortest time. Really he is a top encryption expert. I'll continue work with you in future. Thanks.”

  • image of Linguang L. Project for Saim S. $335.00 USD

    “I hope that you help my job, in future.”


Control Engineering

2004 - 2009 (5 years)


  • Preferred Freelancer Program SLA
  • C 1
  • C++ Level 1


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