Available to hire
Hi, I’m Duong Hong Vu. I’m a versatile software engineer with 9+ years of experience spanning Linux system programming, software development, and testing. I enjoy turning complex requirements into reliable, scalable solutions and collaborating with cross-functional teams to ship high-quality products.
I’m passionate about building innovative tech for a global audience, prioritizing clean code, robust automation, and continuous learning to stay ahead in fast-paced development cycles.
Experience Level
Expert
Expert
Expert
Expert
Expert
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Expert
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Intermediate
Language
English
Fluent
Vietnamese
Fluent
Work Experience
Software Engineer at Apple Japan LLC
January 1, 2025 - PresentFixed, enhanced, and implemented the Test Automation system for Macs and iPads (Ansible, Python, Swift XCTest, Arduino). Proposed and initially implemented a new design pattern for code efficiency, readability, and maintainability. Monitored, reported, and investigated issues on the Test Automation system, in addition to collecting data. Implemented new features for internal services (React, Django, MongoDB).
Siri QE Engineer at Cognizant Japan KK
April 1, 2022 - November 1, 2022Successfully designed, implemented, and deployed the Siri test framework on top of Swift XCTest. Re-engineered critical test report REST API web service with a sprint to rely on centralized services. Re-designed and normalized the PostgreSQL test report database to prevent data integrity issues and boost querying speed. Identified and addressed critical audio service API design, implementation, and bottlenecks to boost coding efficiency (Swift, Vapor, Nginx, AVAudio). Built and deployed a test metrics dashboard within a sprint to accelerate analysis. Worked closely with DRIs and developers to identify and fix production bugs.
Siri QE Engineer at Cognizant Japan KK
February 1, 2023 - PresentMigrated Siri test framework from Python to Swift XCTest to leverage Swift internal frameworks. Re-engineered REST API web service for test reports using Docker, Kubernetes, and a modern stack (Node.js, Express, TypeScript, ORM, PostgreSQL DB, React). Redesigned test report data model to prevent data integrity issues and improve query performance. Identified and resolved bottlenecks in audio service APIs (Swift, Vapor, Nginx, AVAudio). Built a test metrics dashboard to accelerate analytics and improved tooling for production debugging.
Embedded Software Engineer at Toshiba Software Development Vietnam Co., Ltd
May 1, 2015 - August 1, 2019Developed a Linux-based system with open-source tooling for customer devices. Engineered a multi-platform desktop application transitioning from Windows legacy code. Used Yocto, GTK+, Qt, and C/C++ for embedded Linux development. Contributed to open source projects (Qt, GTK) and built a test framework for open-source packages. Delivered a secure and lightweight Linux-based system shipped to European and South American markets, while reducing image size by 40% through advanced configuration.
Education
Bachelor of Information Technology at University of Engineering and Technology, Vietnam National University - Hanoi
September 1, 2011 - May 1, 2015Qualifications
React 18 for Beginners and Intermediate (By Code with Mosh)
January 11, 2030 - December 11, 2025The Ultimate Docker (By Code with Mosh)
January 11, 2030 - December 11, 2025Design Patterns (Udemy)
January 11, 2030 - December 11, 2025Relational Database Design (Udemy)
January 11, 2030 - December 11, 2025Industry Experience
Software & Internet, Computers & Electronics
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Intermediate
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