Skip to content
Toan Tran

Software engineer / digital product builder

Toan Tran

I turn complex ideas into thoughtful, reliable digital products.

Full-stack developer with 3+ years building production web apps across healthcare, online booking and business management, from the interface down to integrations, auth and cloud deployments.

Based in
Vietnam
Experience
3+ years in production
Domains
Healthcare · Booking · Business tools

02 — About

Beyond the code.

[ Portrait · 4:5 ]

I build software that holds up in the real world: clinical teams documenting care, guests booking a stay, businesses running their day.

Most of my work sits where systems meet: wiring sign-in across platforms, moving patient and booking data between services, and keeping it consistent when something upstream changes. I like taking a fuzzy business requirement and turning it into a plan, then the code, then a calm release. Lately I’m going deeper on system architecture, AI-powered features and technical project management.

  • Principle

    Find the root cause, not the nearest symptom.

  • Principle

    Own the feature end to end, from requirement to production.

  • Principle

    Leave code easier to change than I found it.

  • Root-cause analysis

    Tracing production issues to where they start, then fixing them there.

  • End-to-end delivery

    From business requirement and plan to code review, release and follow-up.

  • Integration and data consistency

    SSO, third-party APIs and data exchange that stay in sync.

  • Production reliability

    Debugging, performance work and careful release coordination.

03 — Work

Selected Work.

A collection of ideas brought to life. Client names are anonymized; details and outcomes are shared where disclosure is permitted.

01Healthcare · SaaS

Healthcare SaaS

A clinical platform for assessments, documentation and reporting, with speech built into the workflow.

Role
Full-stack developer
Did
  • Medical assessment and clinical documentation flows
  • Reporting workflows and speech capabilities
  • Production reliability improvements
Stack
  • Next.js
  • React
  • TypeScript
  • AWS
  • Auth0
Read case study: Healthcare SaaSPrivate client work · no public links

04 — Expertise

What I bring to the table.

Grouped by the work it was used for, not by logo count.

  • Frontend engineering

    In practiceFrontend architecture for clinical and booking products: typed forms with validation, server-state caching, and component libraries teams can extend.

    • React
    • Next.js
    • TypeScript
    • JavaScript
    • Material UI
    • TanStack Query
    • React Hook Form
    • Yup
  • Identity and auth

    In practiceCross-platform SSO between healthcare products.

    • Auth0
    • OAuth 2.0
    • OpenID Connect
    • SSO
  • Backend and APIs

    In practiceREST integrations with third-party booking and clinical systems.

    • Node.js
    • REST APIs
    • PHP
    • WordPress
  • Cloud and delivery

    In practiceDeployments, release coordination and production troubleshooting.

    • AWS Lambda
    • API Gateway
    • CloudWatch
    • AWS Amplify
    • Cloudflare
  • Data

    In practiceKeeping records consistent across integrated systems.

    • MySQL
    • PostgreSQL
    • Supabase
  • AI-powered features

    In practiceSpeech capabilities in clinical documentation.

    • Google Gemini
    • Azure Speech Services
  • Developer tools and workflow

    In practiceCode reviews, technical planning and design hand-off, with AI assistants in the daily loop.

    • Git
    • GitHub
    • Codex
    • Claude
    • Figma

05 — Process

How I build.

Five steps I return to on every feature, small or large.

  1. Understand

    Find the real problem: who it’s for, what breaks today, and what done looks like.

    Problem definition

  2. Architect

    Pick the simplest structure that holds: data flow, auth, integrations and failure modes.

    Technical decisions

  3. Build

    Typed, reusable components and APIs, reviewed and kept easy to change.

    Maintainable code

  4. Refine

    Profile and tighten loading, errors, edge cases and accessibility.

    Performance and UX

  5. Deliver

    Coordinate the release, watch production, and feed what we learn into the next round.

    Iterative improvement

06 — Experience

Experience & growth.

3+ years of full-stack work across healthcare, booking and business tools.

  1. [Start] – Present

    Full-stack Software Developer

    [Company name]

    Healthcare SaaS and platform integration: clinical documentation and reporting, speech features, cross-platform SSO, patient data exchange and AWS deployments.

    ImpactProduction reliability improvements; release coordination. [Add measured outcomes where permitted]

  2. [Start] – [End]

    [Role title]

    [Company or client]

    Online booking and practice management: booking workflow integration, third-party APIs, OAuth and deployments.

  3. [Start] – [End]

    [Role title]

    [Company or client]

    Hospitality booking: multi-site homestay reservations on WordPress, website migrations, hosting and security hardening.

  4. [Year]

    [Degree or certification]

    [Institution]

07 — Contact

Have somethingambitious in mind?

Let’s turn an idea into something real.