Shaik Abdul Hafeez

Apr 2026 – Present

Hyderabad, Telangana

RealPage, Inc.

AI Engineer

• Architected and developed a production-grade AI-powered OCR platform for enterprise Spend Management, owning the complete solution from architecture and development to production deployment.
• Built the complete backend using NestJS and frontend using React.js, delivering a scalable end-to-end enterprise application.
• Designed high-throughput document processing pipelines handling 10,000–20,000 invoices per day at ~98% OCR extraction accuracy.
• Developed intelligent invoice extraction pipelines for vendor details, metadata, line items, taxes, totals, purchase-order and payment information across diverse invoice formats.
• Implemented OCR confidence scoring and validation with automated quality assessment plus manual review workflows for low-confidence fields.
• Designed automated invoice verification and financial reconciliation workflows (subtotal, tax, discount, grand-total validation) to guarantee data consistency.
• Built AI-powered product categorization and line-item classification pipelines mapping products into standardized spend categories for enterprise reporting.
• Optimized throughput, latency, and reliability with asynchronous processing and fault-tolerant workflows.

June 2024 – Apr 2026

Hyderabad, Telangana

ZerocodeHR

Senior Software Engineer, AI / Agentic Systems

• Collaborated directly with the CTO to architect self-hosted AI infrastructure: local model inference with vLLM, vector databases for RAG, and robust data pipelines for enterprise AI applications.
• Designed a multifunctional company chatbot for clients, developers, and professional services, integrated with Gmail and Google Chat, and extended Jira via MCP to automate ticket creation, updates, and daily reporting.
• Enhanced the chatbot with intelligent agent features (page-context explanations, guided navigation, in-page data analysis, and chart generation from grid data) with guardrails against toxicity and prompt injection plus rate limiting.
• Built high-accuracy RAG pipelines with LangChain, LlamaIndex, QdrantDB, and GPT-oss, designing custom ingestion, chunking, and retrieval strategies for large-scale document processing.
• Designed advanced AI agents using LangChain and OpenAI Agent SDK for site building, report generation, data modeling, and site automation.
• Built a secure, Docker-isolated Data Analysis Agent processing user-uploaded CSV/Excel with Pandas and Plotly, generating professional LaTeX PDF reports.
• Fine-tuned open-source LLMs (DeepSeek, Qwen) for domain-specific contextual understanding and accuracy.
• Architected high-performance FastAPI backends with Prometheus, Grafana Loki, and MLflow for metrics logging and model tracing.
• Deployed scalable ML model APIs with AWS Lambda, API Gateway, and IAM.
• QA Automation: built frameworks with Java, Selenium, TestNG, and Spring Boot, cut suite execution time by 50% (2h to 1h) and fixed 200+ test cases.

Jan 2024 – June 2024

Hyderabad, Telangana

Xyenta Solutions

Full Stack Web Developer, Intern

• Developed Spring Boot APIs in Java with DTOs, repositories, and configurations.
• Built Flutter pages in Dart for a fintech prototype; optimized logic for iOS/Android responsiveness.
• Ensured seamless backend-to-frontend integration and performance; collaborated via Git/GitHub.

June 2022 – Aug 2022

Hyderabad, Telangana

Codecrux Web Technologies

Web Developer, Intern

• Developed responsive websites with HTML, CSS, JavaScript; used Webflow, WordPress, Bootstrap, Tailwind.
• Learned CI/CD workflows to improve deployment efficiency and reliability.

Full Stack (Game)

HackerSim

• Browser-based hacking simulator that teaches real cryptography through 12 story-driven missions against a rogue AI.
• Puzzles built on real techniques (Caesar and Vigenère ciphers, XOR, SHA-256, MD5, RSA, Diffie-Hellman), plus an in-game toolkit with decoders, brute-force, and frequency analysis.
• Trace-meter threat gauge, unlockable cybersecurity codex, prompt-injection boss battles, and seeded runs; fully offline with local-storage progress and no backend.

JavaScript · Cryptography · LocalStorage · Offline-first

AI + Automation

TrendCaster Studio

• Python automation pipeline that fetches top news and auto-generates video reels for social media.
• ReelGenerator class using ffmpeg and moviepy to programmatically combine images and audio.
• Gemini LLM analyzes news titles and picks context-appropriate music from the Freesound API; scheduling plus Supabase Storage for media management.

Python · Gemini · ffmpeg · moviepy · Supabase · FastAPI

Full Stack (SaaS)

Santa Swap

• Modern Secret Santa organizer that makes gift exchanges simple, fair, and fun for families, friends, and teams.
• Smart, fair matching across unlimited groups and participants with custom pairing exclusions and instant assignment generation.
• Installable PWA with QR-code sharing, private and secure exchanges, and a responsive UI that works on any device.

React · Vite · Supabase · Tailwind CSS · PWA · Vercel

Full Stack (SaaS)

Pastebin

• Fast, privacy-focused paste sharing platform for code snippets, logs, and notes with syntax highlighting.
• Public, unlisted, and private pastes with optional expiration dates, one-click copy, and shareable links.
• Serverless Postgres via Neon with Prisma for fast, scalable full-stack performance.

Next.js · TypeScript · Prisma · Neon Postgres · Tailwind CSS

Full Stack

SNEKO Food Delivery Platform

• Dynamic, responsive food delivery platform built for a startup with an admin dashboard for order management.
• React frontend with Firebase authentication (Gmail and phone OTP) and Firebase data storage.
• Node.js + Express backend ensuring secure, scalable communication; wireframed in Figma.

React · Node.js · Express · Firebase · Figma · JWT

Full Stack (Next.js)

Portfolio Website

• Modern personal portfolio using Next.js and Tailwind CSS with dynamic sections and smooth animations.
• Optimized for SEO, Lighthouse performance, and fast loading across devices.

Next.js · Tailwind CSS · Vercel