About alfianh.id

Notes on learning how data moves, gets tested, and recovers.

Author

Alfian Hidayatulloh writes these notes. A biography, portrait, and employment history are not published yet; this page makes no claim about job title, certifications, or affiliations.

What you can read here

Sample articles in Indonesian and English cover foundations, SQL, Python, modeling, orchestration, and reliability. The project example uses synthetic transactions to explain design choices and failure modes.

Read the sample case study

Contact

Email, social profiles, and resume are not published yet. Links will be added once confirmed, not assumed from the domain name.