Nguyễn Xuân Vĩnh

Senior iOS Engineer & Technical Researcher

My motto: “Learn by doing.”

View My CV

Professional Summary

Senior iOS Engineer bridging the gap between native mobile excellence and cutting-edge AI innovation. With 10+ years crafting exceptional iOS experiences, I specialize in integrating advanced AI capabilities—from LLMs to multimodal processing—directly into mobile applications.

Technical Leadership

Deep expertise in Swift, Objective-C, SwiftUI, and UIKit, combined with hands-on experience implementing production-ready AI solutions. Passionate about exploring the intersection of mobile development and artificial intelligence, particularly in NLP and multimodal data processing.

Notable Achievements

• Chợ Tốt: Architected the AI-powered Rapid Listing feature (Đăng nhanh bằng AI), streamlining user experience for millions

• VT.ai: Built a multimodal LLM chat application, pushing the boundaries of on-device AI interactions

• Clendar: Created an elegant SwiftUI calendar app that earned Apple’s feature recognition

• VT Chat: Developed an AI research platform for experimenting with conversational AI

I believe in building technology that genuinely improves people’s lives—combining robust engineering with intuitive design and intelligent features that feel magical, not mechanical.

Currently exploring how next-generation AI can transform mobile experiences while maintaining the performance and privacy users expect from native applications.

Current Role

Senior iOS Engineer at Chợ Tốt (May 2022 - Present)

Leading AI-driven mobile innovation for Vietnam’s largest re-commerce platform:

Architected “Quét Là Bán” - first multi-modal AI application combining real-time camera processing and on-device ML
Integrated TensorFlow Lite for object detection and dynamic questionnaires
Built real-time video processing pipeline reducing listing creation time by 70%

Featured Projects

AI/ML Applications

VT.ai (86+ stars) - Multimodal AI chat application with dynamic conversation routing
VT Chat - Modern, privacy-first AI chat application with advanced RAG capabilities
Ollama - Contributing to the LLM tooling ecosystem

iOS Applications

Clendar (683+ stars) - Minimal calendar app built with SwiftUI, featured by Apple
WriteDown - Markdown editor with real-time cloud synchronization
Humid - Voice-first weather application utilizing the Combine framework

Technical Publications

Rapid Listing - Building Multi-modal AI Application for iOS Published on Chợ Tốt Engineering Blog

Professional Experience

Mobile Engineer at VinHMS (Vingroup) (Sep 2019 - May 2022) Developed hospitality and travel applications for Vinpearl resort chain

Built MyVinpearl app serving 1M+ resort guests
Developed CiTravel booking platform and CiOwner management system

iOS Developer at 2359 Media (Feb 2014 - Sep 2019) Delivered diverse mobile solutions across news, streaming, and tourism sectors

Singtel TV GO - Streaming app for 2018 FIFA World Cup (Singapore market)
NewsLoop - Popular curated news reader application
Visit Singapore - Official travel guide with AR features for Tourism Board

Professional Links

Technical Platforms

GitHub - Open source contributions and repositories
HuggingFace - AI/ML models and datasets
LinkedIn - Professional network and experience
Stack Overflow - Technical Q&A contributions

Community

Twitter - Technical updates and insights
Hacker News - Tech community discussions

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