Embedded software engineer in Contactless Software Development Team.* Responsible for the software function development, verification and optimization of the project. * Following the EMV standards, researching, developing and implementing the software of Terminal certification for JCB, Mastercard, and Visa based on EMV transaction standards and specifications. * Jointly debug with the upper computer software, testing tools, Implementing the new kernel standards in Contactless stack. * Develop and maintain the tools for testing and validating the test scripts using python, Co-engineer with third-party testing engineer during certification. * Analyzing, identifying, and fixing the bugs in the code; Investigating and correcting the bugs from our customer feedback.* Researching, evaluating, and optimizing the terminal's RF performance, keeping it compatible with different newly released devices and cards* Responsible for updating and maintaining technical documents, sorting and archiving in internal wiki systems, including bug analyzing, testing records maintaining, and updating testing guides for third parties. * Cooperate with other departments to test, debug, diagnose and correct defects, fix the bugs including payment terminal defects investigating, software loading issues.* Participate in software implementation and bug solving during the process of new kernel certification development.

Student internship in the IT support department of Federal Group, including:*System administration*Starlink installation*Call manager center management*Network issue debugVery energetic team with a lot of nice people here! :D

Working as Embedded software engineer in R&D department-04 since April. Mainly focus on massive storage area using Linux. * Familiar with massive data transfer between Windows and Linux using TCP/IP;* Familiar with data storage using NVME2.0, incoming data handled by FPGA and using virtue memory to transfer data between FPGA and Linux. High speed data written/read to/from disk (2.5GB/s);* Using I/O external interrupt and design device driver to work with FPGA for data storing; * Application design under Linux system;* Using git for code management within the team environment;* Badminton activist in company's Badminton team;

Working as an Embedded software engineer in the R&D Team for 2 years. Mainly focus on STM32 series microcontroller using FreeRTOS. We are an international satellite communication facility provider;* Rich experience with common interface protocols such as UART, SPI, IIC, CAN; Using DMA and UART interrupt to realize none-fixed length message handle mechanism; * Rich experience with FreeRTOS, including multi-thread coding, thread synchronization, and other RTOS features; * Rich experience with servo control, including step motor and brushless DC motor; Using DMA to collect ADC data and based on this data calculate motor controlling output; * Rich experience with openAMIP; Have integrated kinds of the modem into our equipment, including iDirect x5, x7 series satellite modem; Hughes Jupiter series modem and Newtec satellite modem, etc... We are now one of the equipment suppliers for INTELSAT; 1. Responsible for openAMIP between Antenna control unit( ACU ) and satellite modems, using TCP, UDP, and UART; 2. Responsible for Antenna motor driver software design, using PWM & Stepping motor S-curve acceleration and deceleration algorithm; 3. Was sent to UK, Italy, Germany for on-site commissioning alone, helping our customers to deploy and debug the equipment; Represent company for joining IBC2019 in Netherlands and GVF2018 in the US, Washington DC; Been doing prototype display in Intelsat US and Hughes US.