CV

Hoàng Ngọc Bảo Trân — Senior Software Engineer. Hands-on engineer focused on scalable services, performant React/Next.js UIs, and reliable cloud deployments.

Experience

Lorem Company— HCMC

Senior Software Engineer
Aug 2023 — Present
Highlights
  • Designed and scaled a microservices architecture serving 100K+ users and 2–5M requests/day, achieving ~99% uptime.
  • Implemented Redis caching, reducing API latency by ~38%.
  • Optimized React/Next.js applications via code-splitting, lazy loading, memoization, and SSR/SSG, improving load performance by ~44%.
  • Built a scalable UI component system with automated E2E tests to ensure consistent UI behavior.
  • Deployed containerized services on AWS with CI/CD pipelines and automated testing, enabling reliable and repeatable deployments.
  • Set up centralized monitoring and logging, improving observability and incident response.
  • Led a frontend team of four engineers — drove technical decisions, conducted code reviews, and improved delivery efficiency.
  • Applied OWASP Top 10–aligned security controls across services, including JWT authentication, HTTP-only cookies, CSRF/XSS protection, rate limiting, and secure headers (CSP, HSTS).

Technologies: NestJS, React, Next.js, RabbitMQ, BullMQ, PostgreSQL, Redis, Zustand, Storybook, Tailwind CSS, Playwright, Docker, AWS, Prometheus, Grafana

WAX Blockchain— Remote

Software Engineer
Jan 2022 — Aug 2023
Highlights
  • Built Node.js/Express backend for 200K+ users; optimized PostgreSQL with Redis caching, reduced response time from 800ms to under 200ms.
  • Deployed cross-chain bridge handling 10K+ daily transactions on AWS EC2 with CI/CD for zero-downtime deployments.
  • Developed React/Redux frontend with code splitting and lazy loading, cutting initial page load by 45%.
  • Implemented JWT authentication, rate limiting, and CORS policies.
  • Established unit testing with 85%+ code coverage, reducing production bugs by 50%.

Technologies: Node.js, Express, PostgreSQL, Redis, BullMQ, AWS EC2, PM2, CI/CD, React, Redux

KMS Technology— HCMC

Software Engineer (Intern + Fresher)
Nov 2020 — Jan 2022
Highlights
  • Built multi-tenant resume builder (Next.js, TypeScript, MongoDB) with subdomain-based isolation, secure CRUD, and tenant-aware API routes with auth middleware.
  • Added Redis caching for tenant configs, reducing DB reads and improving response times.
  • Engineered SEO-friendly SSR resume pages with shareable public URLs per tenant.
  • Deployed Dockerized services on AWS with wildcard subdomain support for scalable tenant onboarding.
  • Enforced tenant-level data isolation to prevent cross-tenant leakage.

Technologies: Next.js, TypeScript, MongoDB, Redis, Docker, AWS

Education

Ho Chi Minh City University of Technology and Engineering— Ho Chi Minh City

Information Technology
Oct 2018 — May 2023