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harvanir/README.md

Hi there 👋

I'm Harvan Irsyadi, a Technology & Engineering Leader passionate about building scalable products, empowering teams, and fostering a strong engineering culture.


🧭 About Me

With 16+ years of experience across FinTech, SaaS, IoT, and IT Consulting, I’ve led engineering teams and built platforms that power millions of users — from e-money and QRIS payments to large-scale IoT supply chain systems.

I believe impactful engineering comes from the balance of business clarity, technical excellence, and people growth.

💡 Focus Areas

  • Scalable system architecture (microservices, event-driven, cloud-native)
  • Engineering leadership, OKR alignment, and process standardization
  • Cloud infrastructure & performance optimization (GCP / AWS / Kubernetes)
  • AI workflow orchestration and automation (n8n, LLM integration)

⚙️ Core Expertise

Domain Key Focus
FinTech E-Money, Payment Gateway, QRIS (MPM/CPM), Fraud Detection System
Architecture Microservices, DDD, CQRS, Event-Driven, Reactive Apps, Clean Architecture
Software Engineering SDLC, Refactoring, TDD, Unit Testing, Continuous Integration
Leadership Building high-performance teams, Coaching, OKRs, ISO 27001 Implementation
AI & Automation n8n, LLM-based Agents, AI-driven insights, Workflow optimization
Cloud & DevOps GCP, AWS, Docker, Kubernetes, GitLab CI/CD, Monitoring (Datadog, Grafana)

🧰 Tech Stack & Tools

🧩 Languages

Java Golang TypeScript JavaScript PL/SQL Perl

⚙️ Frameworks & Libraries

Spring Boot Hibernate Quartz Scheduler OAuth2 Reactive Programming JUnit

🗄️ Databases

PostgreSQL MySQL Oracle MongoDB Redis Cassandra Elastic APM

🔄 Messaging & Streaming

Apache Kafka RabbitMQ Amazon SQS

☁️ Cloud & DevOps

Google Cloud AWS Docker Kubernetes GitLab CI/CD Grafana Datadog Prometheus SonarQube


🚀 Highlights

  • Spearheaded Virgo e-Money platform, powering 20K+ Alfamart stores nationwide
  • Maintained 99.9%+ SLA uptime and reduced GCP cost from 50% and keep counting
  • Scaled engineering organization from 10 → 30+ engineers across multiple verticals
  • Built cross-company synergy and standardization across 9 business entities
  • Implemented Fraud Detection System, ISO 27001 readiness, and multi-tenant observability stack

🧠 Currently Exploring

  • AI Engineering Stack — agent orchestration, reasoning model comparison (OpenAI, Gemini, Claude, Llama)
  • AI workflow integration via n8n
  • Mini 4WD IoT telemetry system for motor performance tuning

📊 GitHub Stats

Top Langs


🤝 Connect with Me


"Synergy between business, people, and technology — that’s where impactful engineering begins."

Pinned Loading

  1. multiple-datasource multiple-datasource Public

    Java 2

  2. springboot-starter-kafka springboot-starter-kafka Public

    Java 4 1

  3. flywaydb-example flywaydb-example Public

    Java 1

  4. springboot-oauth2-demo springboot-oauth2-demo Public

    Java 1

  5. clean-architecture clean-architecture Public

    Clean Architecture implementation using Java Spring Boot, Go.

    Java 6 3

  6. api-gateway-microservice api-gateway-microservice Public

    Java 1