Why this build, here
Small businesses in Zambia run on mobile money, and their books often start as a statement export. Letting a model write the query, and your code run and check it, is the pattern behind every “chat with your data” product.
The build, step by step
Make a sample statement
Let the model write the query, not the answer
Sandbox the code
Check the arithmetic
Put a page on it
The steps, checks and practice open with a code
You can see what this lesson builds. The detail of each step, the finished-when checks and interview scoring come with the K850 practice, along with weekly build sessions and code review.
Read and run
Interview practice
Questions on this topic from AI Engineering Interview Questions, company-wise, with the companies it lists. Write your answer the way you would say it; Jev scores it and DeepSeek tells you what to add.
Scoring opens with an access code. You can still read the questions and prepare.