Worked with Intel chipset and Linux boards, mainly Ubuntu and CentOS. Developed plugins for the FDIO-VPP project using C and C++ STL. Set up the environment and topology for connections between TLS Server, Client, Certificate Authority (CA), and Intermediate CA using SSL/TLS with OpenSSL. Automated builds using shell scripts and performed unit testing using Python. Developed a power management module for Intel chipsets. Conducted code reviews and performed bug fixing.

In charge of 19 members of Android and iOS developers to develop mobile applications for the project. Involved in the recruitment and interviewing of new staff (UI/UX designers and mobile developers). Estimated workload and balanced resources between Front-End and Back-End teams. Predicted resources needed to reach objectives and managed resources for each milestone. Developed detailed project plans and roadmap, ensuring resource availability and allocation, and delivering the project on time within budget and scope. Generated release schedule commitment for the assigned devices (Android and iOS smartphones). Responsible for product requirement analysis, working with the UX team to manage the scheduling of UX/UI new content reviews. Responsible for mobile application architecture design; set up the process for delivering cross-functional features, coordinating architecture reviews, and driving implementation plans. Defined project processes, prepared assets, and set up the environment for developing the product. Managed the risk of frequent change requirements. Chaired and scheduled software meetings on a continuous basis. Tracked project using Azure DevOps Boards and Repo following the Agile process. Coordinated internal resources (Back-End/App/UXUI/QA) and vendors for the flawless execution of projects. Drove the internal quality metrics, including internal crash reports, stability, and performance. Responsible for app delivery on Google Play and App Store.

Design and developed key features such as Semi-Static and Dynamic HARQ, PUCCH, PDSCH, and PUSCH resource allocation in the 5G New Radio Project. Design and implement algorithms for DL/UL Scheduling and Link Adaptation using a thread pool mechanism. Design and develop 5G MAC simulation tools for data collection to improve scheduling algorithms. Participate in integrating MAC with PHY via FAPI and shared memory mechanisms.

Do research, optimize, and integrate 4G LTE Network. Implement MAC layer functions in 4G LTE based on 3GPP Specifications on Linux board. Develop Viettel Counter to collect data and verify 4G system KPI.

Built a framework in OMNET++ to simulate a mobile ad-hoc network using real terrain data. Main author of the paper 'Simulation of 3D Signal Propagation Based on Real World Terrains for Ad-Hoc Network Evaluation.'

Manage a team of 8 members to build dictionary data for a Vietnamese search engine. Develop a filter to remove redundant URLs from the search engine. Create plans and produce weekly reports to assess the performance of team members. Filter and eliminate millions of redundant URLs. Enhance the search engine results by evaluating websites using main keywords.