
Longhui Zhao
Full Stack AI Engineer for Production ready SaaS and AI platform development
Competenze

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Portfolio
Esperienza lavorativa
Lead Full Stack Engineer
Beejern
Mar 2022 - Nov 2025 • 3 yrs 8 mos
Led development of scalable systems using Node.js, React.js, Django, and PostgreSQL, building robust APIs and AI-driven apps. Designed backend architecture and integrated ML models with TensorFlow and Python. Delivered end-to-end solutions across backend and frontend. Improved CI/CD with GitHub Actions and Docker. Mentored engineers and enforced best practices for clean, testable, scalable code.
Full Stack Engineer
Taazaa Inc
Sep 2019 - Mar 2022 • 2 yrs 6 mos
Built and scaled high-traffic web platforms with React and Node.js, supporting large user bases and real-time features. Designed and optimized APIs to improve performance and efficiency. Enhanced systems through caching, database tuning, and frontend optimization. Implemented scalable architectures and collaborated with product and design teams to deliver user-focused features with measurable impact.
Software Engineer
VNG
Apr 2017 - Aug 2019 • 2 yrs 4 mos
Collaborated with cross-functional teams to build scalable full-stack apps using Flask, PostgreSQL, and modern JavaScript frameworks. Developed responsive frontends and efficient backend APIs, integrating AI/ML features with seamless data flow. Contributed across the full SDLC from design to deployment. Improved documentation, promoted best practices, and translated business needs into reliable, maintainable solutions.