"Erfan possesses remarkable proficiency in embedded systems development, particularly with native ESP-IDF based programming. His adeptness in RTOS with NimBLE & WiFi stands out, demonstrating his deep understanding of hardware and software integration. Having collaborated with Erfan on projects involving AWS MQTT, and RISC-V-based MCUs, I can attest to his exceptional skills and dedication. I wholeheartedly recommend Erfan for any Embedded Engineer role, especially within IoT projects, where his expertise will undoubtedly shine."

"Erfan (aka Tushar) has been instrumental in our team of Smart Lifestyle Australia. He is an expert engineer with hunger to overcome challenges while keeping his learner mode always on. He will definitely be an asset to any company who wants to communicate with Machine, digitally "

"We, at Padma Smart Technology Ltd, build state of the art smart metering solution for our local and international clients. IOT is an integral part of your daily technical activities and Erfan is a major key component in achieving so. Erfan has been working with me tirelessly to build an efficient smart metering solution, integrating with Radio gateway and when needed, reverse engineering various components. Erfan is hard working and always ready to go an extra mile to complete his Milestone."

"I worked with Erfan on a LoRaWAN server deployment project.He demonstrated a deep understanding of advanced LoRa parameters for different frequency plan and gateway bridge that effectively guided me through the process. He also has very detailed undestanding of the uplink & downlink for all LoRaWan Classes . He tested all the API to ensure seamless connectivity between two servers. I highly recommend Erfan for his expertise and professionalism."

"It was a great opportunity for me to work under the direct supervision of Erfan Mahmud Tushar. He was my first mentor in Robotics and Programming. He was a very good instructor. Under his leadership, we attended various national and international robotics events with success. He is a charismatic leader and a perfect organizer. I am looking forward to further opportunity to work with him again."

"Erfan mentored me in the field of robotics and IoT. He was the president of Alpha Science Lab at that period. We had successfully completed several projects and participated in the national and International robotics events. His vision and guidance helped our team to achieve titles in that competitions. I can ensure that he will be the valuable asset for any organization."