⚡ Backend-Driven Full-Stack Engineer

Building scalable systems from database to deployment
Seeking internships, meaningful projects & ambitious teams

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🎯 About Me

I architect systems that scale. Whether it's designing resilient APIs, optimizing database queries, or orchestrating microservices—I obsess over performance, reliability, and clean code.

My philosophy: Production-first. Ship fast. Learn faster.

const Developer = {
  role: "Full-Stack Engineer (Backend-Heavy)",
  expertise: {
    backend: [
      "REST APIs",
      "System Design",
      "Database Architecture",
      "Real-time Systems",
    ],
    ai: [
      "LLM Integration",
      "RAG Pipelines",
      "Code Analysis Tools",
      "Provider-Agnostic Solutions",
    ],
    cloud: [
      "Docker",
      "Kubernetes",
      "Cloudflare",
      "Vercel",
      "Cloud Optimization",
    ],
  },
  languages: ["TypeScript", "Python", "Rust", "Go", "C/C++", "Java", "C#", "JavaScript"],
  seeking: ["Internships", "Open-source", "Co-founder opportunities"],
  response: "24 hours guaranteed",
};

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🚀 Featured Projects

TechMedian — Enterprise B2B Marketplace ⚙️ In Development

Architecting a full-stack marketplace with multi-tenant patterns, role-based authorization, and production-grade database migrations.

• 🔨 Multi-tenant Auth — JWT refresh tokens, permission scoping
• 🔨 Redis caching — Query optimization for scale
• 🔨 Docker Compose — Local environment reproducibility
• 🔨 PostgreSQL migrations — Versioned schema management

Stack: Next.js 16 · React 19 · TypeScript · PostgreSQL · Redis · Docker
GitHub: fuwadog/techmedian
🔒 This is a private repository. Please contact me for more details about this project.

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PatchPilot — AI Code Refactoring Engine

Terminal-native CLI tool for intelligent code analysis and refactoring. Provider-agnostic LLM support with real-time patch previews.

• ✨ Streaming LLM responses for instant feedback
• ✨ Multi-provider support (OpenAI, Ollama, custom)
• ✨ AST-based code analysis with Ruff & mypy
• ✨ Interactive patch previews with confirmation workflow

Stack: Python 3.10+ · prompt-toolkit · OpenAI API · Ruff · mypy
GitHub: fuwadog/patchpilot

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SpecCLI — AI Specification Generator ⚙️ In Development

Local-first CLI for drafting, verifying, and finalizing AI-generated specs with optional cloud validation.

• 🔨 Offline-first with Ollama support
• 🔨 Cloud fallback via NVIDIA NIM
• 🔨 Structured output with SQLite persistence
• 🔨 Interactive TUI with Ink (React for terminals)

Stack: TypeScript · Ink · Ollama · NVIDIA NIM · SQLite
GitHub: fuwadog/speccli
🔒 This is a private repository. Please contact me for more details about this project.

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Web Chat — Production Gemini Chat Interface

Modern chat application with markdown rendering, theme persistence, and real-time model controls.

• ✨ Multi-conversation support with local storage
• ✨ Markdown rendering with syntax highlighting
• ✨ Dark/light themes with system preference detection
• ✨ Mobile-optimized responsive design

Stack: Next.js 16 · React 19 · TypeScript · Google Gemini API
Live: web-chat-ruddy.vercel.app

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💻 Tech Stack

Languages

Frontend & Web

Backend & Databases

Cloud, DevOps & Infrastructure

AI Engineering & Agentic Tooling

Tools & Linters

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📊 GitHub Analytics

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🧠 Currently Learning & Exploring

Deepening Expertise:
  - 🏗️  Advanced System Design & Distributed Systems
  - 📊 Database Query Optimization & Index Tuning
  - 🐳 Kubernetes Orchestration & Production Deployments
  - 🔗 Vector Databases (Pinecone, Weaviate) & RAG Systems
  - 💰 Token Optimization for LLM Context Windows
  - 🚀 Microservices Patterns & gRPC

Active Exploration:
  - GraphQL API Design
  - Event-Driven Architecture (Kafka, RabbitMQ)
  - WebSocket & Real-time Protocol Optimization
  - SOLID Principles in Practice
  - Machine Learning Ops (MLOps)

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💪 Key Strengths

Production-First Mindset
Every line of code ships with tests, documentation, and proper error handling. No shortcuts, no technical debt.

Systems Thinking
I don't just build features—I design systems. Database optimization, caching strategies, scalability are built in from day one, not bolted on later.

Quick Ramp-Up
Can learn new tech stacks in days and contribute meaningfully within weeks. More interested in solving problems than arguing about frameworks.

Strong Communication
Clear code reviews, thorough documentation, and mentoring mindset. I believe great engineers make teams better.

Continuous Growth
Actively studying distributed systems, database optimization, and advanced CS concepts. Not just chasing frameworks—building depth.

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🤝 Open To Collaboration

Type	Details
🎓 Internships	Backend-heavy teams, real product work, mentorship culture
🌍 Open Source	Meaningful contributions to production systems
🚀 Co-founders	Ambitious ideas with product-market fit potential
💼 Contract Work	Short-term projects requiring deep expertise

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📬 Let's Connect

Choose your preferred channel:

Platform	Link
💼 LinkedIn	/in/rhean-salibio
🔗 Portfolio	rhean-dev.vercel.app
💻 GitHub	@fuwadog
📧 Email	andrerhean@gmail.com

Response time: ⚡ Within 24 hours

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Shipping code. Building systems. Growing exponentially.