TienNg21

What's up! Tien's here

Software engineer, blogger & freelancerI'm a software engineer creating useful tools and websites, constantly learning new technologies, solving problems, and sharing my journey on my blog.

Career

Feb 2025 – Present
Software Engineer@ Geniee International Group

Full-time · Hanoi Capital Region

  • Working on Geniee SFA/CRM — an enterprise sales management platform recognised as a Leader in ITreview's SFA category for 11 consecutive terms.
  • First time working on a large-scale product with a real, large end-user base — a different challenge than project-based work.
  • Learning how to navigate a big codebase, balance feature delivery with stability, and think about impact at scale.
Jul 2024 – Jan 2025
Software Engineer@ TheHumanInc

Full-time · Startup

  • Worked on Wealify — a fintech startup focused on personal finance management.
  • Learned a lot about the finance domain, especially Virtual Account (VA) features: provisioning, transaction routing, and reconciliation.
  • Fast-paced startup environment — wore many hats and shipped quickly.
Feb 2022 – Jun 2024
Full Stack Engineer@ Tokyo Tech Lab Vietnam

Full-time · Hanoi Capital Region · On-site

  • Grew a lot here — worked across many projects, both Japanese outsourcing and in-house products.
  • Touched domains I never expected: medical, logistics, ed-tech, and HR — each one taught something different.
  • Went from just writing features to owning modules end-to-end, from DB design to deployment.
  • Biggest project: MeeTruck — a transport management system for a Japanese partner, handling fleet, routes, and logistics operations.
Apr 2021 – Sep 2021
Programming Intern@ National Cyber Security Center of Vietnam

Internship · On-site

  • Cut short by the pandemic — didn't learn as much as hoped, but got a first glimpse into the industry and how security teams operate.
Computer Engineering Student@ Hanoi University of Science and Technology

Bachelor of Science in Computer Engineering.

  • GPA 3.04 / 4.0
  • Studied through the Covid-19 pandemic — learned resilience, self-discipline, and how to keep building when everything is uncertain.

Awards & Certificates

Awards
2nd Place — Hanoi City Mathematics Excellence Competition2018–2019
Hanoi Department of Education and Training
Certificates
Claude Code FundamentalsApr 2026
Anthropic
TOEIC 825Dec 2024
ETS
JLPT N4Feb 2024
Japan Foundation

Featured Projects