✦HIEN/DEV
Independent software engineer & technical consultant

Hien Nguyen — Independent Software Engineer & Technical Consultant

I help businesses solve complex technical problems, connect their systems, and automate time-consuming work.

Let’s discuss your project Read my writing
How I help

Start with the problem, then choose a practical path forward.

I assess what is happening, explain the options and trade-offs, recommend a next step, and can implement it hands-on.

01

Connect systems

Make the handoffs between tools, data, and people easier to understand and manage.

02

Automate routine work

Turn time-consuming processes into dependable workflows with clear checks.

03

Solve technical problems

Investigate what is happening, weigh the options, and validate a safe change.

Selected projects

Technical concepts and lab work.

All projects →
Abstract incident trace with a highlighted decision pointArchitecture Exploration · Concept

Backend incident triage

A proposed evidence-first sequence for choosing a reversible next step during an ambiguous backend incident.

Personal architecture exploration derived from public engineering practices; no client system, incident, or delivery is represented.

  • APIs
  • Logs
  • Cloud infrastructure
↗Abstract system map with connected componentsArchitecture Exploration · Concept

Integration reliability

A proposed discovery model for mapping a business event across systems before changing an integration.

Personal architecture exploration based on general API and operations patterns; no client integration or delivery is represented.

  • APIs
  • ERP
  • Middleware
↗
Writing

Technical notes and working methods.

All writing →
Abstract incident trace with a highlighted decision pointSep 2026

Build an Incident Timeline Before Chasing a Production Fix

A practical, non-client-specific framework for reconstructing what changed, what failed, and what evidence to preserve.

  • troubleshooting
  • production
Read article ↗Abstract system map with connected componentsSep 2026

Integration Discovery Before Implementation

A non-client-specific checklist for mapping systems, ownership, failure modes, and validation before implementation.

  • integrations
  • reliability
Read article ↗Abstract validation flow through three stagesSep 2026

Validate an Integration as a Business Flow, Not Just an API Response

A practical checklist for validating records, retries, exceptions, and downstream ownership as one business flow.

  • integrations
  • validation
Read article ↗
Work with me

Need a clear technical next step?

Bring me the problem, the systems involved, and the decision you need to make. I’ll help you understand the options and move forward with confidence. Tell me about your project.