Pavan Kumar Ponnuri ppavankumar19

`> whoami`

name       : Pavan Kumar Ponnuri
location   : Visakhapatnam, Andhra Pradesh, India 🇮🇳
education  : B.Tech — Computer Science
title      : AI-Native Full-Stack Software Developer & Freelancer

philosophy : "Ship systems that are simple to use, hard to break, and easy to scale."

domains:
  primary   : Backend Architecture · Distributed Systems · REST & GraphQL APIs
  fullstack : Node.js · TypeScript · React · Vanilla JS
  ai_native : LLM Integrations · Agent Frameworks · GenAI Product Engineering
  data      : EDA · ML Pipelines · Decision Trees · Random Forests

currently:
  building    : OpenClaw — Multi-Agent AI Social Media Automation System
  designing   : Scalable backend systems & API architectures
  exploring   : Autonomous AI agents & multi-tool orchestration
  studying    : Advanced system design & distributed computing
  freelancing : Backend APIs, full-stack apps & AI integrations

I build backend-heavy, AI-native, full-stack software for products and clients. My work sits at the intersection of robust system design and intelligent automation — from production e-commerce platforms to AI travel planners powered by LLMs. I care about systems that are simple to use, hard to break, and easy to scale.

💼 Freelance Services

Backend APIs
_{REST & GraphQL APIs,
microservices, auth systems}

Full-Stack Apps
_{End-to-end web platforms
with admin dashboards}

AI Integrations
_{LLM-powered features,
chatbots, agent systems}

Data & Analytics
_{Dashboards, EDA,
ML model pipelines}

🧰 Tech Arsenal

Domain	Technologies
Languages
Backend
Full Stack
Databases
AI · ML · GenAI
DevOps & Tools

🏗️ Featured Projects

Production-grade virtual AI intern — a multi-agent system that researches trends, generates platform-native content (text + images), and publishes to Instagram, Twitter/X, LinkedIn, Facebook, and YouTube — all controlled via Telegram with human-in-the-loop approval.

What makes it special:

🧠 Multi-agent architecture — dedicated agent per platform, each with its own content types, generators, and publishing adapter ⚡ Cascading LLM pipeline — Cerebras (Qwen-3 235B) → Groq (LLaMA 70B) → NVIDIA (Nemotron 120B) — fastest available model auto-selected at runtime 📸 Live post preview via Playwright screenshot rendered before any content goes live ✅ Human-in-the-loop — approve, reject, reschedule, or change tone via Telegram before publishing ⏰ Morning batch (8 AM) — trend research → 3 drafted posts → sent to Telegram; evening performance report at 8 PM 📧 Bulk HR offer letters — Excel upload → A4 PDF generation → SMTP email dispatch

Python · Async · python-telegram-bot · APScheduler · Playwright · Cerebras · Groq · NVIDIA NIM · Gemini Flash · Pollinations.ai

Full-stack AI travel planner — generates complete itineraries, pulls live Airbnb listings, maps every stop, converts currencies, and exports PDFs and calendar files.

What makes it special:

🤖 Groq Llama 3.3 70B generates day-by-day itineraries with restaurant and activity picks
🏠 Live Airbnb listings via MCP server for real prices and availability
🗺️ Interactive Leaflet.js maps with every stop visualized
💱 150+ currencies via Frankfurter API
📄 PDF and .ics export for sharing and calendar sync
♿ Accessibility-first filters for wheelchair, elevator, and limited-walking needs

Python · Flask · Groq · Agno · Leaflet.js · Vanilla JS · Vercel

AI-powered speech analysis platform — upload a video, audio file, or YouTube URL to get richer feedback than any interviewer could give in real-time.

What makes it special:

🎬 Three input modes — video upload, audio upload, or any public YouTube URL (auto-downloaded via yt-dlp) 📝 Timestamped transcription via Sarvam.ai saarika:v2.5 — filler words highlighted in red, technical terms in blue, click any line to seek in the recording 📊 9-metric AI analysis via Groq Llama 3.1 70B — pace (WPM), grammar score, confidence, vocabulary richness, filler detection, topic segmentation, and more 📡 Visual dashboard — Communication Radar, Filler Word Bar Chart, Speech Pace Timeline (Chart.js) 💬 RAG Q&A panel — ask anything about the recording; ChromaDB + Groq with timestamp source chips to seek exact moments 🌏 Multi-language support — Indian English, Hindi, Telugu, Tamil, Kannada, and Marathi

Python · FastAPI · Groq · Sarvam.ai · ChromaDB · Chart.js · FFmpeg · yt-dlp · PostgreSQL

Production e-commerce platform for ChemSus Technologies Pvt Ltd — with authentication, payments, order tracking, and a full admin dashboard.

What makes it special:

🔐 Supabase Auth — email/password plus Google OAuth with role-based access
🛍️ Cart, buy-now, OTP-verified checkout, and UPI payment integration
📦 Item-level delivery tracking with real-time status updates
💬 In-order messaging between customers and admin
🛠️ Full admin dashboard for products, orders, payments, customers, and users

Node.js · Express · PostgreSQL · Supabase · Vanilla JS

📐 System Architecture

                    ┌──────────────────────────────┐
                    │      CLIENT (Browser)        │
                    │     Vanilla JS + HTML/CSS    │
                    └──────────────┬───────────────┘
                                   │ REST API
                                   ▼
                    ┌──────────────────────────────┐
                    │   SERVER (Node.js + Express) │
                    │                              │
                    │  Routes → Controllers →      │
                    │  Middleware (Auth, Roles, OTP)│
                    └──────┬────────────┬──────────┘
                           │            │
                  ┌────────▼──┐   ┌─────▼──────────┐
                  │PostgreSQL │   │ Supabase Auth   │
                  │           │   │                 │
                  │ Products  │   │ Email/Password  │
                  │ Orders    │   │ Google OAuth    │
                  │ Payments  │   │ Sessions        │
                  └───────────┘   └─────────────────┘

Interactive learning platform for mastering Linux/Ubuntu commands — with Asciinema terminal demos, guided practice mode, and per-user progress tracking.

What makes it special:

🎬 Terminal demos powered by Asciinema + video explanations per command 🧪 Guided practice mode — step-by-step lessons with real-time contextual feedback 🔍 Smart search & filter — search by name, slug, or syntax; filter by category tag 📈 Per-user progress tracking — completed and in-progress commands on a personal dashboard 🛠️ Admin dashboard — create, edit, publish/unpublish, and delete commands with live preview 🔐 Supabase Auth + RLS — GitHub OAuth with row-level security for admin access control

Node.js · Express · HTML/CSS/JS · Supabase Auth · Supabase Postgres · Asciinema · Render

💡 How I Engineer

┌───────────────────────────────────────────────────────────────────┐
│                                                                   │
│  🧩  Design First       — Architecture before code               │
│  🔁  Iterate Fast       — Ship MVPs, refine in production        │
│  🔌  API-Driven         — Every feature starts as an endpoint    │
│  🤖  AI-Augmented       — LLMs as first-class system components  │
│  📏  Measure Everything — Logs, metrics, observability by default│
│  📦  Own the Stack      — Backend to frontend to deployment      │
│                                                                   │
└───────────────────────────────────────────────────────────────────┘

📊 GitHub Analytics

🚗 Contribution Road Trip

_{Generated daily by Platane/snk — orange trail on the profile's purple palette}

🎯 What I'm Building Towards

🏁 START ═══════════════════════════════════════════════ 🏆 DESTINATION
║                                                              ║
║    🚗💨 ───── Backend ───── Full-Stack ───── GenAI ─────►   ║
║              Mastery        Products        Agents           ║
║                                                              ║
╠══════════════════════════════════════════════════════════════╣
║                                                              ║
║  1. System Design          2. Scalable Platforms             ║
║     Distributed systems       Backend-heavy web products     ║
║                                                              ║
║  3. AI Agents              4. Freelance Practice             ║
║     LLM-powered tools         Shipping quality for clients   ║
║                                                              ║
╚══════════════════════════════════════════════════════════════╝

🤝 Open To

💼 Freelance and contract work — backend APIs, full-stack platforms, AI integrations
🏢 Full-time roles — backend, full-stack, and AI-native engineering
🤖 GenAI collaborations — agent frameworks and LLM-powered products
💬 Technical discussions — system design, architecture trade-offs, and scaling
🌍 Open source — backend, AI, and developer-tooling projects

⚡ "Ship systems that are simple to use, hard to break, and easy to scale."

_{If something here caught your eye, a ⭐ on my repos goes a long way — thanks for stopping by.}

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`> whoami`

💼 Freelance Services

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💡 How I Engineer

📊 GitHub Analytics

🚗 Contribution Road Trip

🎯 What I'm Building Towards

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