Extensive use of AWS cloud services including EC2, RDS, Lambda, Route 53, ElastiCache, IAM, CloudWatch, ECR, ECS, ALB/ELB, VPC, CloudFormation, Auto Scaling, Certificate Manager, WAF, EBS, S3, Fargate, AppRunner, API Gateway, CloudFront and complete service ecosystem.

Using Google Cloud Platform services including VM, CDN, Load Balancer, MySQL for cloud architecture deployment.

Using Azure Virtual Machines (VM) for cloud architecture deployment.

Primary backend development language, developing server-side applications, API services, and web applications with Node.js. Provides non-blocking, event-driven programming environment.

High-performance web application and server software development using Go language, particularly suitable for concurrent processing and microservice architecture.

Primarily used for LLM development, automated script development, and AI-related application development.

Developing API applications and backend websites using PHP, suitable for dynamic content generation and web application development.

Containerization expert, creating Docker containerization solutions, packaging applications and dependencies into portable containers, ensuring cross-environment consistency and efficient deployment.

Proficient in GitLab CI/CD and GitHub Actions, creating automated continuous integration and deployment processes, including automated testing (Jest), code quality checks, and deployment automation.

Version control expert, using Git for team collaboration development, effectively tracking and managing code changes.

Proficient with GitHub platform for open source collaboration, Pull Request reviews, Issues management, and GitHub Actions automation.

Specialized in LLM control and development since 2022, primarily focused on text summarization applications, including model integration, optimization, and application development. Using Ollama for local model deployment.

Deep integration of OpenAI API for developing innovative AI-driven solutions and applications, particularly specialized in text processing and summarization functions.

Speech recognition and processing technology expert, integrating AI models like Kaldi and Whisper to provide enterprise-level voice solutions.

NVIDIA GPU server deployment and management, supporting AI model training and inference. Experienced in CUDA environment configuration.

Database design and management using PostgreSQL, including CRUD operations and performance optimization, providing reliable data storage services for API applications.

MySQL database management and optimization, providing efficient data storage and retrieval services for API websites and applications.

In-memory cache database for improving application performance, implementing high-speed data access and session management.

Linux system administration expert, proficient in server installation, configuration, network setup, command-line operations, and Shell Script development, primarily using Ubuntu distribution.

Virtualization platform expert, using Proxmox VE for on-premises virtual machine data center setup, providing enterprise-level virtualization environment management, with PBS (Proxmox Backup Server) for backup management.

Enterprise network equipment management expert. Switches: Cisco, Juniper, HP, Netgear, Extreme Networks. Firewalls: Sophos, Fortinet. Wireless: UniFi, Aruba. Proficient in VLAN, VPN, SD-WAN, QoS, and STP/RSTP protocols.

Network security expert, configuring firewall rules, IPS/IDS, VPN (OpenVPN, L2TP), SSL/TLS security mechanisms to ensure network environment security.

Network monitoring system expert, using LibreNMS for network equipment monitoring, timely detection and resolution of network issues.

Automated configuration management tool for large-scale server deployment and configuration management automation.

Frontend development framework, using Vue.js for basic frontend web development, building modern user interfaces.

Web server and reverse proxy server configuration and management for load balancing and high-performance web service deployment.

Self-built personal lab environment for technical research, testing, and continuous learning. Includes Proxmox VE virtualization platform, NAS storage systems, and enterprise-grade network equipment to simulate real enterprise architectures for technology validation.