● Developed firmware for ANSI standard meters, achieving enhanced performance and security.● Identified and resolved critical bugs, refactored legacy projects, and implemented new modules.●Optimized legacy code, reducing communication latency by 60% and reducing data corruption risks.● Created a negotiation algorithm to enhance communication protocol efficiency.● Make integrations between projects to make meters more smart.● Designed the end-to-end secure system architecture (AES-Encryption) for smart meter devices.● Executed implementation of communication protocol standards segments for smart meters.● Participated in redesign and refactoring of legacy codes for smart meters, reducing corruption of loading data and make saving data more secured.● Participated in redesign and refactoring of legacy codes for smart meters, increasing the speed of communication with meters.● Designed Negotiation Algorithm in the Communication protocol.● Experienced with Metering Chips, Flash, EEPROMs, and Secure Elements.● Update firmware of meters by using Bluetooth module HC-05.● Enhanced in the time of update firmware of meters by using mechanism of Delta.● Enhanced in code size for optimization.●Made more scripts on Dock-light and code-blocks.● Good Knowledge about linker files-CRC-Check Sum and firmware updating tools.