# Sai Inapakolla

Full Stack Developer | ML Engineer | Java Developer based in Hyderabad, Telangana. B.Tech Computer Science & Engineering undergraduate at Parul University (2023–2027) with a CGPA of 7.71/10.0. Focused on building reliable, scalable full-stack applications with Java, Spring Boot, React, and backend architecture.

## Education & Practice

- **B.Tech — Computer Science & Engineering (2023–2027):** Parul Institute of Engineering & Technology, Parul University, Vadodara, Gujarat. CGPA: 7.71/10.0.
- **Data Structures & Algorithms:** 600+ problems solved across LeetCode and GeeksforGeeks. Ranked Top 2 on the university coding leaderboard.

## Skills

- **Backend:** Java, Spring Boot, Spring Security, Hibernate/JPA, Node.js, Express.js, FastAPI, REST APIs, WebSockets, JWT Authentication, RBAC, Multi-Tenant Architecture.
- **Frontend:** React.js, Next.js, Angular, TypeScript, JavaScript, Tailwind CSS, HTML5, CSS3.
- **Databases:** MySQL, MongoDB, SQL, Data Modeling, Isolation.
- **Cloud & Tools:** AWS (S3, EC2, IAM), Git, GitHub, Maven, Postman, Vitest, Twilio, Cloudinary.
- **AI / ML & Algorithms:** Combinatorial Optimization (TSP, Knapsack, Hungarian matching), Machine Learning fundamentals, Scikit-learn, Pandas, NumPy, Agentic AI.

## Featured Engineering Work

1. **TeamX — Multi-Tenant SaaS Management Platform:** Tenant-level data isolation, secure authentication, role-based access control (Admin, Manager, User), 15+ REST APIs, and 102,982 assertions with zero cross-tenant leaks. [GitHub](https://github.com/Sai-Inapakolla/TeamX)
2. **SafeGo — Intelligent Safety-First Ride-Hailing Platform:** Passenger, Driver, and Admin portals with WebSocket live location tracking, emergency SOS, Twilio integration, and ML models. Benchmarked at 8,650 req/sec under 5,000 concurrent users with 100% pass on 258 tests. [Live Demo](https://safego1.vercel.app/) | [GitHub](https://github.com/Sai-Inapakolla/Safe-Go)
3. **BAAHUBALI — Bank Management System:** Lightweight core banking system using Spring Boot 3.5, Hibernate/JPA, and H2 database with role-based access control (Admin, Employee, Customer), ledger transactions, and loan lifecycle processing. [GitHub](https://github.com/Sai-Inapakolla/BAAHUBALI)
4. **AstroML — Cosmic Classification & Distance Estimation:** Machine learning pipelines to classify astronomical objects (stars, galaxies, quasars) and regression models for cosmological distance and redshift estimation. [GitHub](https://github.com/Sai-Inapakolla/AstroML)
5. **Multi-Strategy Combinatorial Optimization Framework:** Python framework benchmarking TSP, 0/1 Knapsack, and Min-Cost Bipartite Matching across Held-Karp DP, Branch & Bound, Hungarian Algorithm O(n³), and Backtracking. [GitHub](https://github.com/Sai-Inapakolla/Multi-Strategy-Combinatorial-Optimization-Framework)
6. **TAI — Team Approval Intelligence:** Intelligent loan approval platform connecting an Angular frontend with Node.js and a dedicated Python machine learning microservice for automated decision workflows. [GitHub](https://github.com/Sai-Inapakolla/TAI-main)
7. **Aeros — Flight Simulator Microservices:** Decoupled Spring Boot microservices backend exploring service-to-service communication and distributed architecture. [GitHub](https://github.com/Sai-Inapakolla/Aeros)
8. **Intern-Tracer:** Full-stack career pipeline management application using Angular SPA frontend, Node.js + Express + TypeScript REST APIs, and MongoDB datastore. [GitHub](https://github.com/Sai-Inapakolla/Intern-Tracer)
9. **Foodie Genie:** Flask-based recommendation platform helping users discover culinary ideas through intelligent preference matching. [GitHub](https://github.com/Sai-Inapakolla/foodie_genie)
10. **Fino — Financial Decision Agent:** Full-stack deterministic financial decision platform built for HackerRank Orchestrate combining Next.js with a Python financial reasoning agent. [GitHub](https://github.com/Sai-Inapakolla/Fino)
11. **NexusOps:** Centralized business operations platform designed to manage customers, inventory, sales challans, and CRM workflows in one unified system. [GitHub](https://github.com/Sai-Inapakolla/NexusOps)

## Contact

- **Email:** [inapakolla.sai1@gmail.com](mailto:inapakolla.sai1@gmail.com)
- **Phone:** +91 9490969706
- **GitHub:** [https://github.com/Sai-Inapakolla](https://github.com/Sai-Inapakolla)
- **LinkedIn:** [https://www.linkedin.com/in/saiinapakolla576](https://www.linkedin.com/in/saiinapakolla576)
- **LeetCode:** [https://leetcode.com/u/user_x_576/](https://leetcode.com/u/user_x_576/)
- **Instagram:** [https://instagram.com/inapakolla.sai](https://instagram.com/inapakolla.sai)