Author: Jose S
- 12 min read
Portfolio projects that do not look fake
Portfolio projects fail when they look like homework clones. Build one believable stack: real question, messy data, decisions, checks, and a short memo a hiring manager can trust.
Building a personal learning plan: SQL to Python to AI
A personal learning plan from SQL to Python to AI beats random tutorials. Build a sequenced path, a weekly hour budget, and proof of skill so you stop…
Airflow hello: retries, sensors, and when not to use it
Retries buy time for flukes; sensors encode waiting with deadlines. Learn when to retry, how to sensor a late file without burning workers, and when Airflow is the…
Churn and retention definitions that stick
Separate logo churn, revenue churn, gross retention, and net retention before you argue. Same word, different formulas, different decisions.
Access, least privilege, and just give me prod
Match access to the question: sample, masked, or production read with an owner and an end date. Least privilege survives deadlines better than forever prod grants.
