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💡 Building scalable, production-ready backend applications using Java and Spring Boot.
I go deep on how frameworks work internally — not just how to use them, but why they work that way.
Every project I build is a step toward writing code that's clean, tested, and deployable.
| Skill | Status | Level | Bar |
|---|---|---|---|
| Java & OOP | ✅ | 85% |
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| Spring Boot & REST APIs | ✅ | 80% |
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| Spring Data JPA / Hibernate | ✅ | 75% |
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| DTO & Mapper Pattern | ✅ | 80% |
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| Bean Validation | ✅ | 75% |
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| Global Exception Handling | ✅ | 80% |
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| Entity Relationships (JPA) | ✅ | 70% |
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| Pagination & Sorting | ✅ | 75% |
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| MySQL & JDBC | ✅ | 70% |
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| Git & Version Control | ✅ | 80% |
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| Spring Security & JWT | 🔄 | -- |
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| Docker & Deployment | 🔄 | -- |
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| Swagger / JUnit / Mockito | 🔄 | -- |
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| Microservices / Kafka / AWS | 🎯 | -- |
░░░░░░░░░░ |
| Stage | Technology | Status |
|---|---|---|
| 1 | Core Java — OOP, Collections, Exception Handling, JDBC | ✅ Done |
| 2 | Spring Boot — Auto-config, REST APIs, Controllers, Layers | ✅ Done |
| 3 | Hibernate & JPA — Entities, Relationships, JPQL | ✅ Done |
| 4 | REST API Design — CRUD, Status Codes, Postman Testing | ✅ Done |
| 5 | Bean Validation — Jakarta Validation, Custom Constraints | ✅ Done |
| 6 | DTO & Mapper Pattern — Request/Response separation | ✅ Done |
| 7 | Entity Relationships — OneToMany, ManyToOne, Cascades | ✅ Done |
| 8 | SLF4J Logging — Log levels, structured logging | ✅ Done |
| 9 | Pagination & Sorting — PageRequest, Pageable, Sort | ✅ Done |
| ↓ | ||
| 10 | Spring Security — Auth, Roles, Filter Chain | 🔄 In Progress |
| 11 | JWT Authentication — Tokens, Claims, Stateless Auth | 🔄 In Progress |
| 12 | BCrypt Password Encryption — Secure credential storage | 🔄 In Progress |
| 13 | Docker — Containers, Dockerfile, Compose | 🔄 In Progress |
| 14 | Deployment — Render / Railway cloud deploy | 🔄 In Progress |
| 15 | Swagger / OpenAPI — API documentation | 🔄 In Progress |
| 16 | JUnit 5 & Mockito — Unit & Integration testing | 🔄 In Progress |
| ↓ | ||
| 17 | Redis — Caching, Session management | 🎯 Future |
| 18 | Spring Cloud & Microservices — Service discovery, Gateway | 🎯 Future |
| 19 | Apache Kafka — Event streaming, Message queues | 🎯 Future |
| 20 | CI/CD (GitHub Actions) — Automated pipelines | 🎯 Future |
| 21 | AWS — EC2, S3, RDS, deployment | 🎯 Future |
| 22 | Kubernetes — Container orchestration at scale | 🎯 Future |
| 23 | System Design — HLD, LLD, Scalability patterns | 🎯 Future |
Core Java ✅ → Spring Boot ✅ → Hibernate & JPA ✅ → REST APIs ✅
→ Validation ✅ → DTO Pattern ✅ → Entity Relationships ✅
→ Logging ✅ → Pagination & Sorting ✅
→ Spring Security 🔄 → JWT 🔄 → Docker 🔄 → Deployment 🔄
→ Microservices 🎯 → Kafka 🎯 → AWS 🎯 → System Design 🎯
Legend: ✅ Completed | 🔄 In Progress | 🎯 Future Goal
🚗 Smart Parking Slot Booking API —
Spring Boot JPA MySQL Lombok REST
🏆 Production-grade REST API for managing parking slot reservations end-to-end.
| Stack | Java 17 · Spring Boot · Spring Data JPA · Hibernate · MySQL · Lombok · Maven |
| Architecture | Controller → Service → Repository → Database |
| Features | Slot booking, availability check, user management, full CRUD |
| Testing | All edge cases verified via Postman ✅ |
| Role | Sole Developer — entities, DTOs, services, controllers, exception handlers |
💰 Smart Expense Tracker API —
Spring Boot JPA MySQL REST 🔨 In Progress
Backend API to track, categorize and analyze personal expenses with full CRUD.
| Stack | Java · Spring Boot · Spring Data JPA · MySQL · Maven |
| Features | Expense CRUD, category-wise filtering, budget tracking |
| Status | 🔨 Active development |
🔐 UPI Wallet Engine —
Java OOP JDBC MySQL
Java-based UPI wallet simulation with PIN verification and real-time transaction history.
| Stack | Core Java · OOP · JDBC · MySQL |
| Features | User management, secure PIN auth, P2P transfer, transaction log |
🗄️ Java JDBC CRUD App —
Java JDBC MySQL
Modular CRUD app with secure DB connectivity and PreparedStatement patterns.
| 🏆 Achievement | 📋 Details | 📅 |
|---|---|---|
| 🥊 Top 4 — XENIA Hackathon 2026 | Neuramac Domain · VIT Pune | 2026 |
| ☁️ Oracle Cloud Infrastructure Certified | OCI 2025 AI Foundations Associate | 2025 |
| ✅ Smart Parking API — All Tests Passed | Full Postman test suite · 0 failures | 2025 |
| 📦 10 Public Repositories | Active open-source footprint | 2026 |
| 🦈 GitHub Achievements | Pull Shark · YOLO · Quickdraw | 2025–26 |
⚡ To activate the snake: Go to your
pranav440/pranav440repo → Actions tab → find "Generate Snake" workflow → click "Run workflow". After ~1 min it generates the SVG and the snake appears automatically here.
# pranav440 — Active Focus · June 2026
name: Pranav Ganorkar
role: Java Backend Developer
status: 🟢 Actively seeking Java Backend Internship
completed:
- "✅ Core Java — OOP, Collections, Exception Handling, JDBC"
- "✅ Spring Boot — REST APIs, Controllers, Services, Repositories"
- "✅ Spring Data JPA — Hibernate, Entity Relationships, JPQL"
- "✅ DTO & Mapper Pattern — Clean API design"
- "✅ Bean Validation & Global Exception Handling"
- "✅ Pagination, Sorting, SLF4J Logging"
currently_learning:
- "🔄 Spring Security & JWT Authentication"
- "🔄 Password Encryption with BCrypt"
- "🔄 Docker & Containerization"
- "🔄 Deployment on Render / Railway"
- "🔄 Swagger / OpenAPI Documentation"
- "🔄 JUnit 5 & Mockito — Testing"
building:
- "🚗 Smart Parking Slot Booking API → Spring Boot · JPA · MySQL"
- "💰 Smart Expense Tracker API → Spring Boot · JPA · MySQL"
future_goals:
- "🎯 Redis · Spring Cloud · Microservices"
- "🎯 Apache Kafka · CI/CD · AWS · Kubernetes"
- "🎯 System Design — HLD / LLD"
open_to:
- "Java Backend Internship (Immediate)"
- "Entry-Level Backend Developer Roles"
- "Open Source Contributions (Java / Spring Boot)"
