Pavan Rangani
Senior Java Developer & Microservices Architect | Surat, India
About Me
I am a Senior Java Developer with over 9 years of experience building enterprise-grade applications and distributed systems. I specialize in Spring Boot, Microservices Architecture, REST APIs, Apache Kafka, and AWS cloud infrastructure. I design and ship production-grade backend systems that handle millions of requests.
I am passionate about clean architecture, event-driven design, and developer productivity. I regularly publish in-depth technical articles on my blog covering Java, DevOps, AI/ML, Security, Web Development, Database engineering, and mobile development.
Technical Expertise
Backend: Java, Spring Boot, Spring Cloud, Hibernate, JPA, Maven, Gradle, JUnit 5, Mockito, Testcontainers
Cloud & DevOps: Kubernetes, Docker, AWS (EC2, ECS, Lambda, S3, RDS), Terraform, GitHub Actions, ArgoCD, CI/CD
Databases: PostgreSQL, Redis, MongoDB, Apache Kafka, Elasticsearch, MySQL, TimescaleDB
Architecture: Microservices, Event-Driven Architecture, CQRS, Domain-Driven Design, REST, GraphQL, gRPC
AI/ML: Spring AI, Claude API, LangChain, RAG Pipelines, Vector Databases, Model Context Protocol
Open Source Projects
Spring Boot Microservice Template — Production-ready microservice starter with Java 21, Docker, PostgreSQL, Flyway, and OpenAPI documentation.
Kubernetes Health Checker — CLI tool for checking Kubernetes cluster health including nodes, pods, deployments, PVCs, and TLS certificates.
Technical Blog — 280+ Articles
I publish comprehensive technical articles on blogs.pavanrangani.com covering 8 categories:
- Java & Spring — Spring Boot, Virtual Threads, JPA, Testing, Native Images
- DevOps & Cloud — Kubernetes, Docker, Terraform, GitHub Actions, GitOps
- AI & ML — LLMs, RAG, AI Agents, MCP, Prompt Engineering
- Architecture — Microservices, DDD, Event-Driven, CQRS, Data Mesh
- Web Development — React, Next.js, Tailwind CSS, TypeScript, Astro
- Security — Zero Trust, OAuth, Container Security, SBOM, API Security
- Database — PostgreSQL, Redis, MongoDB, TimescaleDB, ClickHouse
- Mobile Development — Android, Kotlin, Jetpack Compose, Flutter, SwiftUI
Latest Articles
- Spring Boot Virtual Threads vs Reactive: When to Use Each in Production
- Model Context Protocol (MCP): Building AI Integrations That Actually Work
- WebAssembly Containers in Kubernetes: Running Wasm Workloads in Production
- PostgreSQL 18: New Features, Performance Improvements, and Migration Guide
- Local-First Software Architecture: Building Apps That Work Offline and Sync
- React 19 Server Actions and Forms: Complete Production Guide