Chau David

Fullstack Developer with advanced expertise in Node.js, NestJS, React.js, and Next.js, specializing in scalable backend systems and responsive frontend interfaces. Demonstrated proficiency in building AI-powered applications, real-time data processing platforms, and enterprise-grade automation workflows. Proven ability to design and maintain microservices architectures while optimizing system performance and ensuring high code quality.

Fullstack Developer at Wiintek Corporation (2025-03 – Present)

• Architected and deployed scalable microservices backend systems using NestJS, handling real-time data processing for distributed cryptocurrency mining nodes.
• Engineered full-stack Voting and Ticket Support management systems with Node.js backend and React.js frontend, enhancing user experience and system reliability.
• Developed AI-powered chatbots and implemented n8n automation workflows, reducing manual customer support efforts by streamlining repetitive operational tasks.
• Built dynamic monitoring dashboards using Next.js and React.js with optimized SEO performance and minimal latency for system visibility.
• Designed and implemented RESTful APIs for mining data processing and complex business logic, ensuring data integrity and system scalability.

Backend Nodejs Intern at MangoAds Co. LTD (2024-08 – 2025-01)

• Designed and implemented RESTful APIs aligned with business requirements, emphasizing reliability and maintainability across production systems.
• Diagnosed and resolved critical post-deployment bugs, ensuring system stability and minimal downtime for production environments.
• Optimized API performance through legacy codebase refactoring and MongoDB query optimization, improving query.
• Acquired hands-on expertise with Docker containerization and template rendering for deployment automation.

Major in Software Engineering – Industrial University of Ho Chi Minh City (2020 – 2025)