- Offered strategic technical guidance and leadership to the executive team.- Fostered collaboration between a large operations department and a lean technology team to manage and expand the country's leading on-demand home care services platform.- Recruited and established a new development team, concentrating resources on essential business functions.- Overhauled a difficult-to-maintain legacy system to improve efficiency, reduce technical debt, and support new business capabilities and strategies.- Implemented effective development practices, including microservices architecture, extreme Agile methods, and cloud-managed services.- Systematically reconstructed core business modules using a scalable and adaptable new architecture.

- Spearheaded the establishment of a development team, carefully selecting and recruiting skilled professionals to create a high-performing group.- Supervised and guided the development of an innovative e-commerce platform for tour packages, ensuring a seamless user experience by leveraging lean methodology, distributed architecture, microservices, AWS, Magento, and React.- Collaborated with stakeholders to identify key platform features and functionalities, prioritizing user-centric design and seamless integration with existing systems.- Coordinated with sales, marketing, and customer service teams to develop and implement platform promotion strategies, driving user acquisition and revenue growth.- Monitored project progress, allocated resources, and set milestones to ensure timely and efficient delivery of the e-commerce platform, while maintaining a focus on quality assurance and user satisfaction.

- Served as a solution consultant for numerous enterprise-level e-commerce systems.- Established and led a 20+ member development team across Hanoi and Ho Chi Minh.- Recruited, mentored, and inspired team members to become top-tier professionals.- Implemented TDD, BDD, microservices, and devised new Git processes and code review methods.- Adapted and coached Agile methodologies within the team.- Organized and presented at multiple technical conferences.

- Oversaw the Information System division for the corporation.- Established the IT department for a new national television corporation.- Created and executed the Information System and Information Security strategic plan.- Designed and supervised the implementation of IT infrastructure.- Developed and maintained custom internal applications.- Managed in-house staff and numerous contractors.

- Collaborated with cross-functional teams to analyze business requirements, identify pain points, and design tailored solutions for various internal applications and databases.- Developed, implemented, and maintained custom applications, ensuring seamless integration with existing systems and alignment with overall business objectives.- Employed best practices in software development, including version control, code reviews, and thorough documentation, to create maintainable and scalable solutions.- Conducted regular application performance analysis, optimizing database queries and code logic to improve efficiency and ensure system stability under high load conditions.- Provided technical support and training to end-users, empowering them to effectively utilize newly developed applications, and addressed any issues or concerns in a timely manner.

- Delivered engaging and informative lectures on C, C++, and PHP programming languages, cultivating strong foundational skills in students.- Evaluated and graded student projects, offering constructive feedback and guidance to support their learning and growth.- Developed a comprehensive internal system for the university, streamlining the management of student records, course offerings, and assessment scores.- Collaborated with faculty members to identify areas for improvement in the course materials, ensuring that content remained current and relevant.