Alfian Hidayatulloh - AI, Cloud & Data Engineer

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Author verification: GitHub: github.com/alfianhid | LinkedIn: linkedin.com/in/alfianhid | X: x.com/alfianhid

About

Alfian Hidayatulloh is an AI, Cloud & Data Engineer based in Indonesia. He specializes in AI technologies, cloud infrastructure, and data engineering.

This is a personal technical blog and portfolio website featuring articles about AI engineering, cloud computing, data pipelines, Kubernetes, AWS, GCP, and machine learning.

Current role: Data & Tech Executive at WPP Media Indonesia (2025-Present)

Previous experience: Data Engineer at Perqara (2023-2025), Data Engineer at Bank Negara Indonesia via IYKRA (2022-2023)

Education: Bachelor of Computer Science, University of Technology Yogyakarta (2018-2022)

Areas of Expertise

  • AI/ML Engineering: Machine learning operations (MLOps), large language models (LLMs), RAG systems, LangChain, TensorFlow, vector databases, model deployment
  • Cloud Engineering: AWS, Google Cloud Platform (GCP), Azure, Kubernetes, Docker, Terraform, CI/CD, Infrastructure as Code
  • Data Engineering: Apache Spark, Apache Kafka, Apache Airflow, dbt, ETL/ELT pipelines, data warehousing, data lakes, PostgreSQL, data quality
  • Backend Development: Python, Go, Java Spring Boot, REST APIs, microservices architecture
  • DevOps: GitOps, monitoring, observability, infrastructure automation

Blog Content Categories

  • AI: Articles about artificial intelligence, machine learning, LLMs, RAG, and AI engineering practices
  • Cloud: Cloud infrastructure, AWS, GCP, serverless, cloud architecture patterns, Kubernetes
  • Data Engineering: Data pipelines, ETL/ELT, Apache Spark, Kafka, Airflow, data warehousing
  • Open Source: Open source tools, contributions, and community projects
  • Tutorials: Step-by-step guides and technical tutorials

Notable Projects

  • Data Warehousing Pipeline: End-to-end ETL solution with Python, Airflow, PostgreSQL, and dbt
  • Kafka Streams with ksqlDB: Real-time stream processing with SQL-based analytics
  • Apache Spark Big Data Projects: Large-scale data processing and classification
  • ML Prediction Models: Customer churn and healthcare prediction using PySpark
  • Deep Learning Applications: CNN-based image classification for agricultural AI

All projects available at: github.com/alfianhid

Website Structure

Contact Information

Frequently Asked Questions

Who is Alfian Hidayatulloh?

Alfian Hidayatulloh is an AI, Cloud & Data Engineer from Indonesia who writes about AI technologies, cloud infrastructure, and data engineering. He currently works as a Data & Tech Executive at WPP Media Indonesia.

What topics does this blog cover?

This blog covers AI/ML engineering (LLMs, RAG, TensorFlow), cloud computing (AWS, GCP, Azure), data engineering (Spark, Kafka, Airflow, pipelines, warehousing), Kubernetes, and DevOps practices.

Is the content free to access?

Yes, all blog content is freely accessible without registration or payment.

How can I contact Alfian?

You can reach out through the contact form at alfianhidayatulloh.com/contact or connect via LinkedIn at linkedin.com/in/alfianhid.

Does Alfian offer consulting services?

For consulting inquiries about AI, cloud infrastructure, or data engineering projects, please use the contact form on the website.

What are Alfian's main technical skills?

Alfian's core skills include LangChain, TensorFlow, RAG systems, Kubernetes, Docker, AWS, GCP, Terraform, Apache Spark, Apache Kafka, Apache Airflow, dbt, Python, SQL, and PostgreSQL.

Where can I find Alfian's open source projects?

Alfian's open source projects are available on GitHub at github.com/alfianhid, featuring data engineering pipelines, ML models, and cloud infrastructure projects.

Technical Details