Dau The Tien - Software Engineer
I'm a Full-Stack Developer with 6+ years of experience specializing in Ruby on Rails and 2+ years of React development. My focus is building scalable, high-performance web applications and APIs, with expertise spanning backend development, front-end integration, CI/CD pipelines, and cloud deployment. I’m passionate about creating clean, test-driven code and designing systems that solve real-world problems. My motivation lies in building products that make a meaningful impact on users and businesses.
Technical skills
- Programing Languages
- Frameworks / Libraries
- Cloud platforms
- Server administration
- Storage
- Tools
- Paradigms
- Event-driven Development, Test-driven Development, Object-oriented Programming, Model-View-Controller
Work Experience
Employment Hero
Fullstack devloper - Ruby on Rails
May 2023 - Present
Melbourne, Australia
Employment Hero
Fullstack devloper - Ruby and ReactJS
April 2020 - May 2023
Ho Chi Minh City, Vietnam
Symphony Creative Solution
Fullstack developer - Ruby and ReactJS
Sept 2018 - Feb 2020
Ho Chi Minh City, Vietnam
Vinova
Fullstack developer - Ruby on Rails
Jun 2017 - Jan 2018
Ho Chi Minh City, Vietnam
Personal Projects
DealHub
A web application displaying updated deals from Australian online stores, with a car insurance price comparison feature.
- Built with ReactJS and Rails for deal aggregation and car insurance comparison.
- Implemented daily data scraping using Sidekiq and custom web crawlers.
- Designed Material Design-inspired UI and deployed frontend to Vercel.
- Enabled car detail lookup via number plate input.
- Configured CI/CD with GitHub Actions, Docker, Nginx, Puma.
- Integrated APIs including Facebook Graph and Slack.
DWF
A distributed workflow runner using Sidekiq and Redis
- Developed a distributed workflow runner using Sidekiq and Redis for efficient background processing.
- Implemented comprehensive test suite with RSpec and CI/CD pipeline using GitHub Actions.
- Published as the RubyGem 'dwf' with clear documentation, gaining significant community adoption.
TopLand
A real estate statistics application for Ho Chi Minh City, Vietnam
- Built a ReactJS/Redux/Rails real estate statistics app for Ho Chi Minh City.
- Deployed API to Azure VPS using Capistrano and frontend to Heroku.
- Implemented Material Design UI with daily data scraping via Sidekiq.
- Configured CI/CD with CircleCI, Nginx, Puma, and Let's Encrypt.
- Integrated Facebook Graph API, Google Analytics, Skylight, and Slack.
