Resume

About

Senior Full-stack Developer with 5+ years building scalable, high-performance web systems across logistics, HR-tech, and SaaS. Strong track record of independently owning complex backend and integration work, driving architecture decisions.

Professional impact

System Modernization

Re-architected a legacy monolithic Java system into ~30 cloud-native microservices modules.

Performance Optimization

Cut p95 latency by ~70% and tuned complex multi-table SQL queries across a 35-table schema.

End-to-end Ownership

Sole owner of a full module — from relational schema design to storage-tariff billing logic.

Mentorship

Helped junior developers and contributed solutions in technical discussions and design reviews.

Professional Experience

Jan 2024 – Present

2 yrs 5 mo

Senior Full-stack Developer

CyberLogitec
  • Helped modernize legacy operations into a cloud-native microservices platform (~30 modules).
  • Sole owner of the Facility Management module — designed a 35-table schema and built the storage-tariff billing engine.
  • Cut p95 latency by ~70% through service design improvements and targeted SQL query optimization.
  • Consistently shipped high-complexity stories ahead of schedule with a very low defect rate.
  • Helped junior devs contributing solutions and design proposals in technical discussions and design reviews.

Jul 2021 – Dec 2023

2 yrs 5 mo

Back-end Developer

EyeQ Tech
  • Built RecruitGenius, an AI-powered recruitment platform (AI Auto Screening, One-way Video Interview, Smart Interview Scheduler, Talent Pool & CRM), improving recruiter operating efficiency by over 70%; integrated OpenAI for screening/scoring and Paddle for payments.
  • Implemented CI/CD pipelines (GitLab Runner + Docker) reducing release cycle time by 40%, and set up monitoring with Prometheus and Grafana.
  • Engineered a WebRTC video interview platform (Kurento), raising connection stability from 60% to 95% under unstable networks.
  • Collaborated closely with PO and FE teams on database design, feature development, and smooth ecosystem operations.

Education

Da Lat University

Jul 2017 – Apr 2022

Bachelor · Information Technology · Da Lat, Vietnam

Certifications

Languages

Vietnamese

Native

English

Professional