work experiences

• BeGroup

Be Group - one of Vietnam's fastest-growing tech startups, operator of the Be super app (ride-hailing, food delivery, super-app). Serving 9M+ customers nationwide, with 300,000+ drivers and tens of millions of monthly transactions.

• Senior Software Engineer • Mar 2025 - Present • 7 mos
• - R&D - Leading and building AI products with a small team: Apply AI to improve operational processes.
• - Researching and building Real-time data pipelines.
• - Analyzed ride-hailing system and wrote refactoring proposal: Monolith to Microservices.
• Software Engineer • Oct 2023 - Feb 2025 • 1 yr 5 mos
• - Received BeStar Award 2024 for outstanding engineering contribution.
• - Recognized for impactful glue work across teams, driving collaboration and system integration.
• - Built CDP and Notification Platform, supporting scalable and personalized user engagement: Deliver >150M message(coupons/notifications,...) to users per day. Personalized config fare for per user.
• - Solved memory & goroutine leaks in Be-kit, reducing system cost and improving stability (used pprof for profiling).
• - Contributed to Fraud Detection System for safer transactions: Prevent >1K fraud transactions per day.
• - Conducted internal tech talk on memory leak resolution, promoting knowledge sharing.
• Achievements
• - Received BeStar Award 2024 for outstanding engineering contribution.

• Primedata.ai VN
• Backend Engineer • Full-time • Aug 2022 - Aug 2023 • 1 year 1 month
• Aug 2022 - Aug 2023 • 1 year
• - Domain: Customer Data Platform (CDP).
• - Tech stacks: Golang/Python, gRPC, GitHub Actions, Kafka, Docker, (work with) K8s, Grafana, PostgreSQL, ClickHouse, Redis.
• - Gap filler, collaborates with teams to define features/break down tasks, develop and deliver solutions.

• OLLI Technologies
• iOS Engineer 2 • Full-time • Feb 2021 - Aug 2022 • 1 yr 9 mos
• - Domain: IOT.

• Umbala Network
• iOS Engineer • Full-time • Feb 2019 - Jan 2021 • 2 yrs
• - Domain: ecommerce / social / live streaming.