Career

Lessons Learned from Having Passed all Twelve AWS Certification Exams

On April 24, 2023, I finished the AWS certification marathon of passing one AWS certification exam per month (“the certification marathon”). This blog post outlines the lessons learned from this journey and expands on the previously published successful blog post…

On AWS Certifications

The article provides an overview of the existing AWS certifications and offers a well-tested strategy to pass the exams.

Career Advice for a 20-Year-Old

A friend asked me to talk to his son about how to choose a university and his career. These notes, always under construction, is the key advice. General Advice Always do the most difficult thing you can do. Be extremely…

On Books Reading

We have been fighting on this planet for ten thousand years; it would be idiotic and unethical to not take advantage of such accumulated experiences. If you haven’t read hundreds of books, you are functionally illiterate, and you will be…

On Employment Screening Tests

Nowadays, the trend is to use computer-based tests to provide “a rich view of the candidates’ abilities“. However, the quality of these tests varies dramatically, and the hiring managers may not be aware of the typical problems with the tests.…
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