Hello, I'm

Dương Thượng Côn

I am a  

Backend Developer with 8+ years of experience designing and delivering scalable, high-performance web applications.

View My Work More About Me

About Me

Passionate about clean architecture & system optimization

I have deep expertise in Java/Spring Boot, with solid experience in Kotlin, Python, and Node.js. I have a proven track record working across various industries including insurance (Japan), fintech (Singapore), security tools (Korea), and enterprise platforms.

I am comfortable working in both small, focused teams and large organizations with over 100 members. My primary focus is on continuous delivery and ensuring high-quality, scalable code.

Hanoi University of Science and Technology

Major: School of Electronics and Telecommunications

2012 - 2017

Personal Information

  • Date of Birth: October 20, 1994
  • Phone: 0944391647
  • Email: duongcon201094@gmail.com
  • Location: Hưng Yên, Vietnam
  • Strengths: Hard working, withstands high pressure, works well independently
  • Hobbies: Gaming, Reading Manga, Motorcycle Traveling

Technical Skills

Back-end

Java (Spring Boot, Zk, Ninja) Kotlin Python (Django, Flask) NodeJs (Express, NestJS) C# (ASP.net) JUnit

Database

PostgreSQL MongoDB Redis SQL Server MySQL Elasticsearch

Front-end

ReactJs AngularJs VueJs Apollo GraphQL

DevOps & Others

AWS / Azure Docker Jenkins Kibana Git (GitHub, GitLab) Linux / Windows Task management: Slack, Trello, Redmine, Jira, Notion, Asana, GitHub Projects

Work Experience

Jun 2025 - Present

Java / Kotlin Developer

Onsite DGW Asia (Customer: Japan)

Project: Justincase (Insurance management platform)

Develop and maintain microservices for core insurance workflows. Deploy and manage services on AWS with Docker containerization.

Spring BootKotlinVueJsPostgreSQLAWSDockerKafka
Jan 2024 - Jun 2025

Java / VueJs Developer

WEEDS VINA (Customer: Korea)

Projects: SE Tool, Discover, X-Trace

Designed and deployed new system features for tool management and abnormal behavior detection. Optimized large-scale ETL data pipelines, system performance, and scalability.

JavaSpring BootVueJsPostgreSQLElasticsearchRedis
Oct 2023 - Dec 2023

Python Developer

Viettel Solutions (Customer: Viet Nam)

Project: HSTV (Report management)

Developed features for report management and automatic error detection systems using Python and Flask.

PythonFlaskLinux
Jan 2023 - Dec 2023

Java Developer / DevOps

Viettel Solutions

Projects: VME (Payment gateway), QLBH (Sales Management)

Developed enterprise-level transactions and sales management platforms. Optimized system performance and provided technical support.

JavaSpring BootMariaDBRedisVueJs
Nov 2018 - Dec 2022

Backend Developer

NTQ-Solution, CMC-Global, InfoPlus, Viettel

Extensive experience across multiple companies developing Social Networks, Payment Gateways, Asset Management, and E-commerce platforms. Handled microservices architecture, complex database integrations, and DevOps pipelines.

NodeJsSpring BootMySQLAWSDockerRabbitMQReactJs