- Built a clear, well-organized backend system that streamlined processes, accelerated development, and supported long-term scalability for cost efficiency.- Main responsibility for implementing payment gateways, automated payments, supported multiple currencies, and enhanced security with encryption and fraud prevention, while ensuring system stability and providing valuable data insights.- Led the development of the new Fundiin core, focusing on user-centric design and rapid issue resolution while ensuring data security and compliance with legal standards. Additionally, implemented effective monitoring and tracking systems to ensure stability and performance efficiency.- Developed a high-performance risk platform for financial services, delivering accurate results tailored to diverse financial products and regulatory requirements.- Designed user-friendly services with a focus on simplicity and technical support, while prioritizing data security and privacy throughout the system.- Participated in managing a seamless migration from AWS to GCP, resulting in improved performance, scalability, and reliability with minimal disruption.- Mentored team members by promoting knowledge sharing, resolving conflicts, and aligning team objectives with the company’s overall goals. As a leader, I established clear objectives, communicated effectively, guided the team through changes, and fostered a culture of collaboration and teamwork while ensuring immediate bug resolution.

- Main responsibility for building new Payment Gateway, managing, developing, and enhancing an All-In-One Payment Gateway that supports all forms of payment and simplifies integration. - Counseled both internal and external stakeholders on technical solutions with successful integration projects of big global and local merchants, including Apple, Google, Netflix, GoJek, Baemin,..- Successfully developing products such as BNPL (Buy Now Pay Later), VTS, Payment Link, Subscription, Disbursement...- Having knowledge of various Payment Models and assisting in shaping the team's products/services.- Participated in conceptualizing, designing and developing of the website (developers.momo.vn) - a MoMo API integration guidance platform- Collaborating with their team to identify and fix technical problems - Employee of Year 2021- 2nd Hacking Week 2023 as Team Leader

- Developer, technical supporter- Participated in user requirements gathering, project planning, design, implementation and testing- I work daily with Product Owner and Scrum Master to implement tasks in Sprints.- I also joined a weekly call meeting with US/Europe customers.- I went to US/Europe customers sides to get the requirement and help them resolve the issue.