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FedEx Express Decision Scientist Interview Questions and Answers
FedEx Express Decision Scientist Interview Experiences
2 interviews found
Anonymous
Selected
I applied via Company Website and was interviewed in Oct 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Algorithms and Projects in depth
- Q2. Math behind certain algorithms
(1 Question)
- Q1. Usual behavioral questions
(1 Question)
- Q1. One on one with director
I applied via Campus Placement and was interviewed in Oct 2022. There were 4 interview rounds.
It has SAS python SQL aptitude logic
Was given a case study on how should fedex should grow inorganic or organic
(3 Questions)
- Q1. Related to Machine learning and HR What is overfitting?
- Q2. What is cross validation
- Ans.
Cross validation is a technique used to evaluate the performance of a machine learning model by testing it on multiple subsets of the data.
It involves dividing the data into multiple subsets or folds.
The model is trained on a subset and tested on the remaining subset.
This process is repeated for all subsets and the results are averaged to get a final performance metric.
It helps to prevent overfitting and provides a mor...
- Q3. What is confusion matrix
- Ans.
A confusion matrix is a table used to evaluate the performance of a classification model.
It shows the number of true positives, true negatives, false positives, and false negatives.
It helps in calculating various evaluation metrics like accuracy, precision, recall, and F1 score.
It is useful in comparing the performance of different models.
Example: A confusion matrix for a binary classification problem can be represente...
Interview Preparation Tips
Know the ML PARTS well
Also python
Skills evaluated in this interview
Decision Scientist Jobs at FedEx Express
Interview questions from similar companies
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Technical Screening, project specific questions
- Q2. Kafka, spark, lambda architecture, testing and WAP architecture
(2 Questions)
- Q1. Sql joins, window functions
- Q2. EOS kafka, end to flow of project and system architecture, how can i enhance current architecture
(2 Questions)
- Q1. Data engineering related system design Streaming architecture, scaling , replication, storage guarantees Kafka replay-ability details of partitions Offsets, basically how can you optimize kafka streaming ...
- Q2. Asked to draw system architecture on draw.io Why do u want to join this role?
I applied via Referral and was interviewed before Oct 2022. There were 2 interview rounds.
(3 Questions)
- Q1. Python program for word count
- Ans.
Python program to count the frequency of words in a given text
Use the split() method to split the text into words
Create a dictionary to store the word frequencies
Iterate through the words and update the dictionary accordingly
- Q2. Sql joins and coalesce
- Q3. Random forest and decision trees
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed before Dec 2023. There were 4 interview rounds.
(1 Question)
- Q1. Spark,sql, adf, adb
(1 Question)
- Q1. Spark sql adf adb
(1 Question)
- Q1. About my previous experience
(1 Question)
- Q1. Salary discussion
Selected
I applied via Recruitment Consulltant and was interviewed in Dec 2022. There were 3 interview rounds.
(1 Question)
- Q1. I attended for Azure Data Engineer, the interview was around your earlier experience. Mostly focused on Databricks , spark , streaming
(1 Question)
- Q1. The interview was took by onsite team. Interview went for 2 hrs. The interview is more on architecture and design
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Sep 2022. There were 5 interview rounds.
(2 Questions)
- Q1. SQL pivots , window functions, there was one question related to duplicates removal.
- Q2. Python Excel vlookups, pandas, numpy
(1 Question)
- Q1. Machine learning topics
(1 Question)
- Q1. Probability, statistics, aptitude questions
(1 Question)
- Q1. Negotiations related to your package thats all
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Jan 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Questions not related or relavant to the role applied
- Q2. Bad experience , not opted
(1 Question)
- Q1. Normal , spark and SQL basics
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
Coding problem with python and sql join queries
Interview Preparation Tips
I applied via Referral and was interviewed in Jan 2022. There was 1 interview round.
(2 Questions)
- Q1. How do you calculate average salary in each company?
- Q2. How do you calculate 3rd highest salary in each company?
Interview Preparation Tips
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FedEx Express Decision Scientist Interview Process
based on 1 interview
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