With an experience of more that 7 years as embedded software engineer and product lead, I can provide you with end-to-end IoT/embedded solution starting from your idea to its actualization and development; or anywhere in between.
I have extensive hands on experience with the following technologies, platforms and programming languages:
ARM: NRF52, STM32(Silabs)
Other boards: Arduino, Particle
Wireless Protocols: BLE, 802.15.4 (OpenThread & Zigbee), WiFi, GSM SIM800
Other protocols: MQTT-(SN), CoAP, HTTP
Development IDEs: Keil, Arduino, Visual Studio
Programming Languages: C, C++, python