AWS Cost Optimization & Interview Prep Blog
Notes on AWS cost optimization, EDP/PPA negotiation, Bedrock pricing and system design interview prep from an independent AWS architect in Amsterdam.
, 10 min read
AWS Solutions Architect Interview Questions
Eight AWS solutions architect interview questions, the weak answer to each, what the interviewer grades, and why an exam answer isn't an interview answer.
, 8 min read
AWS Interview Questions: What Each One Tests
AWS interview questions with short answers and what each one tests, plus the operational questions cloud engineer interviews add that most lists leave out.
, 6 min read
System Design Interview Prep: How to Run a Mock
System design interview prep in four weeks: how to run a mock interview, a 1–10 rubric for the five signals, a sample scorecard and what to fix next.
, 3 min read
AWS EDP vs PPA: What's the Difference?
AWS EDP vs PPA: one private pricing deal under two names. What each name covered, where the scope differs, and which form of discount suits your bill.
, 11 min read
AWS Certification Path: Levels, Order and Cost
The AWS certification path in order: every level and exam code, what each exam tests, the fees and retake rules, and which exam to sit next for your role.
, 11 min read
System Design Interview Questions: What's Graded
Twelve system design interview questions that keep coming up, the signal each one grades and the sentence candidates skip, plus a cheat sheet.
, 8 min read
AWS Savings Plans vs RIs: Which Wins in 2026?
Compare AWS Savings Plans and Reserved Instances: the four plan types, how to size a commitment, and the mistakes that cost you coverage.
, 11 min read
AWS Cost Optimization: 8 Steps to Cut Your Bill
Where your AWS bill goes, eight steps in the order they pay off, and how to keep costs down once the easy wins are gone.
, 16 min read
AWS EDP & PPA Negotiation: Discounts and Exit
How to negotiate an AWS EDP or PPA: who qualifies, how big the discount gets, what counts toward the commitment, and the exit terms to ask for.