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piykumar25/README.md

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πŸ§‘β€πŸ’» About Me

I'm a Technical Lead at Nokia who architects resilient distributed systems at scale and integrates Agentic AI into real enterprise workflows β€” not prototypes, production.

Over the years across Nokia, Ciena, and TCS, I've designed cloud-native microservices handling real-time telecom workloads, built LLM-powered automation pipelines using LangChain, LangGraph & PydanticAI, and guided teams toward secure, maintainable, and scalable software delivery.

current_role: Senior Engineer @ Nokia
focus_areas:
  - Distributed Microservices (Java 17 / Spring Boot)
  - Agentic AI & LLM Orchestration (PydanticAI / LangChain / LangGraph)
  - Cloud-Native Architecture (Docker / K8s / AWS / GCP)
  - Event-Driven Systems (Apache Kafka)
certification: AWS Certified Cloud Practitioner
passion: System Design β€” LLD & HLD challenges for fun ⚑
  • πŸ”­ Building: Agentic AI workflows at Nokia using LangChain, LangGraph & PydanticAI β€” automating intelligent network planning at scale
  • 🀝 Open to: Complex distributed system design challenges, Agentic AI collaborations, and high-throughput Spring Boot architectures
  • 🌱 Exploring: Multi-agent orchestration patterns with PydanticAI β€” type-safe, production-grade AI agents with structured validation
  • πŸ’¬ Ask me about: Java 17 Β· Spring Boot Β· Kafka Β· Kubernetes Β· Microservices Β· System Design (LLD/HLD) Β· Making LLMs do real work

πŸ› οΈ Tech Arsenal

βš™οΈ Backend & Core

Java Spring Boot Spring Security Hibernate Apache Kafka Python JavaScript

πŸ€– AI & LLM Stack

LangChain LangGraph PydanticAI

☁️ Cloud & DevOps

AWS GCP Docker Kubernetes Jenkins GitHub Actions

πŸ—„οΈ Databases

PostgreSQL MongoDB MySQL Redis

πŸ§ͺ Testing & Quality

JUnit5 Mockito Testcontainers SonarQube

🧩 Frontend & Tools

React Node.js Git Maven JWT

🧠 Core Expertise

Microservices Distributed Systems System Design Design Patterns Event Driven CI/CD


πŸ† GitHub Trophies


πŸ“Š GitHub Stats


πŸ“ˆ Contribution Graph

Piyush's github activity graph


πŸ” Top Contributed Repos


⚑ "I don't just write code β€” I design systems that scale, self-heal, and think."

AWS Certified

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  1. dsa_in_java dsa_in_java Public

    This repository contains all the data structure and algorithm problems I've solved locally. It includes a variety of challenges that demonstrate my problem-solving skills and understanding of core …

    Java