Cao-Toan Nguyen.

A little atmosphere

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Cao-Toan
Nguyen.

Software Engineer

Cao-Toan Nguyen

I build backend systems and APIs.
A little curiosity, a lot of care, and a passion for building things that matter.

Java backend development, with experience in computer vision.

Ho Chi Minh City, Vietnam

A little about me.

A software engineer with a background in Java backend development and computer vision.

My work has taken me from detecting objects with Python and OpenCV in Hungary to building APIs for an enterprise insurance application at FPT Software in Vietnam.

Learning across borders

BSc in Computer Science Engineering

John von Neumann University, Hungary
Sep 2021 — Jan 2025 · GPA 4.34 / 5

Studied in Hungarian. Mentored more than 10 Erasmus students from Europe, Asia, and Africa, supporting university procedures, study planning, and adapting to local life.

Languages English · Hungarian · Vietnamese

The path so far.

Software Engineer

Ho Chi Minh City, Vietnam

Contributed to an enterprise insurance application, building RESTful APIs and working with T-SQL queries and stored procedures.

Designed API specifications and code generation with Swagger/OpenAPI. Participated in Jenkins-based deployments and worked with business analysts, QC engineers, and developers in an Agile/Scrum team.

  • Java
  • Spring Boot
  • SQL Server
  • T-SQL
  • OpenAPI
  • Jenkins

Selected work.

Two systems from my professional experience.

Enterprise insurance application

Professional work · FPT Software

Contributed RESTful APIs, API specifications, and code generation with Swagger/OpenAPI. Developed and optimized stored procedures and T-SQL queries, and participated in API deployment through Jenkins-based CI/CD pipelines.

  • Java
  • Spring Boot
  • T-SQL
  • SQL Server
  • OpenAPI
  • Jenkins

My working toolkit.

The technologies and practices behind my work.

Languages & runtime

  • Java
  • TypeScript
  • Python
  • Node.js

Backend & APIs

  • Spring Boot
  • FastAPI
  • RESTful APIs
  • Swagger / OpenAPI

Data

  • SQL
  • T-SQL
  • Microsoft SQL Server
  • NoSQL

Tools & practices

  • Git
  • Jenkins
  • Agile / Scrum
  • OpenCV

Different tools. The same attention to the details.

Good things start
with a hello.

Have a question about my work, or something in mind? I’d be glad to hear from you.

Take a copy of my CV
© 2026 Cao-Toan NguyenMade with care, and a little winter.
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