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Thomson Reuters
Practice questions for the skills this job lists, plus common questions for any interview. These are for practice: we don’t know the employer’s actual questions.
What is the difference between a list and a tuple, and when would you use each?
Python
How do generators work, and why would you use one over a list?
Python
How would you find and fix a slow query in Postgres (EXPLAIN ANALYZE)?
PostgreSQL
How do you detect and handle overfitting?
Machine learning
Explain precision and recall, and when you'd optimise for each.
Machine learning
A key metric dropped 20% yesterday. How do you investigate?
Data analysis
How would you design an A/B test for a new feature, and how long would you run it?
Data analysis
How do you choose the right chart for a dashboard, and avoid misleading ones?
Tableau
What is DAX, and how do measures differ from calculated columns?
Power BI
What do you know about Thomson Reuters's products and customers?
Thomson Reuters
Tell me about yourself in two minutes, focused on this role.
About you
Why this company, and why this role?
About you
Tell me about a time you disagreed with a teammate. What happened?
About you
Describe a time you failed or missed a deadline, and what you changed afterwards.
About you