Vietnam
I'm a Tech Lead and Fullstack Developer with over 9 years of experience in building scalable backend systems, designing cloud-native architectures, and leading high-impact engineering teams. I specialize in backend architecture using microservices, in-memory databases, and cloud infrastructure (AWS). I enjoy solving production issues under pressure, mentoring junior developers, and translating business problems into robust, maintainable systems. 🔧 Strong in: AWS (EC2, S3, SQS, CloudWatch, Glue), PHP Phalcon, .NET, CI/CD 🧠 Passionate about: Distributed Systems, Infrastructure Recovery, System Design 🚀 Recent Highlight: Recovered and migrated a failed Mattermost system across AWS accounts to Elest.io in just 5 days. Let’s connect if you're building systems that need to scale, recover, and last.
This is a POC Project. Workia provides the best mobility self-service management experience for companies with low-mobility populations (50-100) that covers Authorization, Pre-assignment, Assignment, and Repatriation (in some cases) steps connecting Employees, Global Mobility Professionals, and Suppliers through a straightforward system. I implemented some features like Outlook add-in, business trip, notification, troubleshooting, backend for mobile app, and employee app
Relocation and global mobility management software help your organization hire, welcome, and retain people for work globally. I implemented solutions for many modules like CI/CD, CRM, Finance, Pricing, Email Integration, Salary Calculator,… Substantial responsibilities include technical activities such as developing, customizing, and integrating with external systems. Training And Reviewing another team member. Took full ownership of technical architecture for several modules (CRM, Finance, Pricing, Email Integration, etc.). Designed and maintained a microservices architecture, balancing synchronous (REST) and asynchronous (AWS SQS) communication patterns.
Financial domain, CRM domain. Tech: Phalcon, angularJs, AWS (Lambda, DynamoDB, RDS, CloudSearch, ElasticSearch, ...)
Solution Design for In-memory Database Project:Design an In-memory Database suitable for Online charging system in Viettel: using NoSql, support transaction, objective, and ACID,... I Design solutions for: Consensus Algorithm Consistent Hashing Transaction Algorithm Researched many In-memory