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Achievements

Achievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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Nadee95/README.md

Hi, I'm Nadeeka Dilhan 👋

Backend-Focused Full-Stack Engineer · Java / Spring Boot · TypeScript / Next.js / NestJS

I build scalable APIs, microservices, and production-grade systems with a strong focus on backend reliability, clean architecture, and real-world AI integration.

LinkedIn GitHub

📍 Hamamatsu-shi, Japan

About Me

  • 💼 4+ years of experience building production-grade backend systems and APIs
  • 🔧 Strongest in Java, Spring Boot, microservices — event-driven, gRPC, and saga/outbox patterns
  • ☁️ Hands-on with AWS (EC2, S3, Lambda, SQS, SNS), Docker, Kubernetes, and CI/CD pipelines
  • 🤖 Built real-world AI platforms using OpenAI APIs, function calling, RAG techniques, and MCP (Model Context Protocol)
  • 📊 Experienced with observability tooling: Prometheus, Grafana, and structured logging with MDC/correlation IDs
  • 🎯 Focused on clean code, performance optimization, and system reliability

Tech Stack

Languages

Java TypeScript JavaScript Python

Backend

Spring Boot NestJS FastAPI REST API GraphQL gRPC Microservices

Frontend

Next.js React Angular

Databases & Data

PostgreSQL MySQL MongoDB SQL Optimization Data Modeling

Messaging & Integration

Amazon SQS Amazon SNS Kafka Event-Driven Async Processing

Cloud & DevOps

AWS Azure Docker Kubernetes GitHub Actions Jenkins CI/CD Prometheus Grafana

Testing & Quality

JUnit Mockito Testcontainers Selenium

AI & Machine Learning

OpenAI API MCP RAG AI Agents

Let's connect and build something great

LinkedIn GitHub

Pinned Loading

  1. nadeex-spring-common nadeex-spring-common Public

    Production-ready common utilities, DTOs, and responses for Spring Boot applications

    Java

  2. nadeex-spring-exception nadeex-spring-exception Public

    Global exception handling and standardized error responses for Spring Boot

    Java

  3. stock-trading-server stock-trading-server Public

    Springboot gRPC server to demonstrate gRPC microservice

    Java

  4. stock-trading-client stock-trading-client Public

    Springboot gRPC client implementation to test gRPC server

    Java

  5. Nest-Auth-Demo Nest-Auth-Demo Public

    Sample Auth Service Using Nestjs

    TypeScript

  6. nadeex-spring-logging nadeex-spring-logging Public

    Structured logging with MDC, correlation IDs, and AOP for Spring Boot.

    Java