Andrew Yanulis

DevOps Engineer • Cybersecurity Specialist • Full-Stack Developer

Building production-grade infrastructure and automation systems. 7 professional certifications. Real-world experience deploying microservices, network security, and AI/ML applications.

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Technical Expertise

🔧 DevOps & Infrastructure

Production-grade system architecture and automation

Nginx Docker Linux n8n Let's Encrypt Systemd

🔒 Cybersecurity

Network security, threat detection, and incident response

pfSense SIEM IDS/IPS VLANs pfBlockerNG SSL/TLS

💻 Full-Stack Development

Modern web applications and APIs

React Node.js Python Flask JavaScript REST APIs

🤖 AI/ML Engineering

Generative AI, NLP, and machine learning systems

PyTorch TensorFlow LangChain Hugging Face LLMs RAG

🌐 IoT & Embedded

Connected devices and edge computing

Raspberry Pi Arduino MQTT Sensors C/C++ Python

☁️ Cloud & Database

Cloud infrastructure and data management

AWS Azure SQL PostgreSQL Redis Git/GitHub

Featured Projects

🏗️ Microservices E-Commerce Platform

Production Infrastructure: Deployed 16 independent microservices handling OAuth, webhooks, and API integrations for Facebook, Instagram, TikTok, YouTube, Snapchat, X, Shopify, Pinterest, Gmail, and AI platforms.
  • Nginx reverse proxy with SSL/TLS for 16 subdomains
  • Rate limiting and DDoS protection (100-200 req/min per service)
  • WebSocket support for real-time n8n workflow automation
  • Let's Encrypt certificate management with auto-renewal
  • Health monitoring endpoints across all services
  • Security headers (HSTS, X-Frame-Options, CSP)
  • Systemd service management for 24/7 uptime
Nginx Node.js OAuth 2.0 Webhooks SSL/TLS n8n Raspberry Pi 5

🔐 Enterprise Network Infrastructure

Home Lab Security: Built enterprise-grade network with pfSense firewall, VLAN segmentation, and managed switches mirroring production environments.
  • pfSense firewall with multiple VLAN segments for security zones
  • NETGEAR managed switches (GS308E, GS305EP) with PoE
  • pfBlockerNG for DNS-level threat blocking and ad filtering
  • Synology NAS with RAID configuration and automated backups
  • Network-wide monitoring and traffic analysis
  • Self-hosted services: file server, media server, automation platform
pfSense VLANs DNS DHCP NAS Network Security

🤖 AI/ML Integration Platform

Generative AI Services: Deployed microservices for Hugging Face, ChatGPT, Claude, and Runway ML with API integration and rate limiting.
  • Multi-model AI inference with PyTorch and TensorFlow
  • LangChain RAG applications for document Q&A
  • Hugging Face Transformers for NLP tasks
  • Real estate price prediction ML models
  • Automated content generation pipelines
PyTorch LangChain OpenAI API Anthropic API NLP

📡 IoT Automation System

Edge Computing: Raspberry Pi-based automation platform managing sensors, data collection, and workflow orchestration.
  • Arduino and Raspberry Pi sensor integration
  • MQTT protocol for device communication
  • Real-time data processing and storage
  • n8n workflow automation for business processes
  • Multi-platform development environment (Windows/Linux/macOS)
Raspberry Pi Arduino MQTT Python C

Professional Certifications

.NET Full Stack Developer

Board Infinity • 3 Courses

November 2025

📄 Professional Certificate

IBM Generative AI Engineering

IBM • 16 Courses

August 2025

📄 Professional Certificate

Meta Front-End Developer

Meta • 9 Courses

July 2025

📄 Professional Certificate

Google Cybersecurity

Google • 8 Courses

July 2025

📄 Professional Certificate

Google IT Support

Google • 6 Courses

June 2025

📄 Professional Certificate

Hands-on Internet of Things

University of Illinois • 4 Courses

October 2025

📄 Professional Certificate

IoT Programming Specialization

UC Irvine • 6 Courses

June 2025

📄 Professional Certificate

Education

🎓 Trinity College

Bachelor of Science

Interdisciplinary Major: Architectural Studies

Hartford, Connecticut

Graduated May 2014

Technical Curriculum: Rigorous interdisciplinary program combining engineering, mathematics, design, and technology
  • Physics I & II
  • Calculus I & II
  • Mechanical Engineering
  • Introduction to Engineering
  • Statistics
  • Chemistry
  • Environmental Geology
  • Architectural Design
  • Architectural Drawing
  • Computer-Aided Design (Independent Study)
  • Modern Architecture
  • Urban Studies

This interdisciplinary program provided the technical foundation that enabled my transition into DevOps, full-stack development, and systems engineering. The combination of engineering principles, mathematical analysis, and hands-on problem-solving directly applies to modern infrastructure design and automation.

🎓 Official Diploma

Let's Connect

I'm actively seeking opportunities in DevOps, Cybersecurity, Systems Administration, or Full-Stack Development. Available for immediate start in the Boston area or remote.

📧 info@andrethedev.com 📱 (781) 383-5413 💼 LinkedIn 💻 GitHub
Resume