Walmart Software Development Engineer 1 Interview Experience
Software Development Engineer 1
Summary
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The Walmart interview experience consists of five rounds covering a variety of topics and questions. The process starts with a set of multiple choice questions, followed by coding challenges that test dynamic programming and optimization skills. Technical interviews dive deep into topics including data structures, SQL, database optimization, and advanced algorithms like sorting techniques. The overall difficulty level appears to be medium to high, reflecting a comprehensive assessment of a candidate's technical acumen.
1
#1Multiple Choice Questions on Core Topics
Easy
c
data-structures
algorithms
machine-learning
java
dbms
oop
Answer a set of 25 multiple choice questions covering topics such as C, Data Structures, Algorithms, Machine Learning, Java, DBMS, Object-Oriented Programming, and core Computer Science fundamentals.
#1
Multiple Choice Questions on Core Topics
Answer a set of 25 multiple choice questions covering topics such as C, Data Structures, Algorithms, Machine Learning, Java, DBMS, Object-Oriented Programming, and core Computer Science fundamentals.
c
data-structures
algorithms
machine-learning
java
dbms
oop
Easy
2
#1Dynamic Programming and Optimization Problems
Medium
dynamic-programming
algorithms
Solve optimization problems that focus on dynamic programming and mathematical techniques.
#1
Dynamic Programming and Optimization Problems
Solve optimization problems that focus on dynamic programming and mathematical techniques.
dynamic-programming
algorithms
Medium
#2Combinatorics and Bit Manipulation Problems
Medium
combinatorics
bit-manipulation
Address problems that involve combinatorics and bit manipulation, potentially utilizing dynamic programming techniques.
#2
Combinatorics and Bit Manipulation Problems
Address problems that involve combinatorics and bit manipulation, potentially utilizing dynamic programming techniques.
combinatorics
bit-manipulation
Medium
3
#1Longest Subsegment of 1s Problem
Medium
two-pointer-technique
optimization
Modify a sequence to maximize the longest subsegment of 1s by changing up to k 0s. Solve it using the two-pointer technique.
#1
Longest Subsegment of 1s Problem
Modify a sequence to maximize the longest subsegment of 1s by changing up to k 0s. Solve it using the two-pointer technique.
two-pointer-technique
optimization
Medium
#2Counting Nodes in a Tree
Easy
tree-traversal
binary-trees
Count the total number of nodes in a binary tree. Use inorder traversal as your approach.
#2
Counting Nodes in a Tree
Count the total number of nodes in a binary tree. Use inorder traversal as your approach.
tree-traversal
binary-trees
Easy
#3CI/CD Pipeline Discussion
Medium
cicd
devops
Discuss the CI/CD pipeline, detailing the processes involved from raising a pull request to merging it.
#3
CI/CD Pipeline Discussion
Discuss the CI/CD pipeline, detailing the processes involved from raising a pull request to merging it.
cicd
devops
Medium
#4Deadlocks and CPU Scheduling Discussion
Medium
threads
cpu-scheduling
Explain the concepts of deadlocks in multi-threaded environments and discuss CPU scheduling practices.
#4
Deadlocks and CPU Scheduling Discussion
Explain the concepts of deadlocks in multi-threaded environments and discuss CPU scheduling practices.
threads
cpu-scheduling
Medium
#5Database Structures Discussion
Medium
database-structures
indexing
Discuss the differences between maps and sets (ordered/unordered) and how indexing works in databases.
#5
Database Structures Discussion
Discuss the differences between maps and sets (ordered/unordered) and how indexing works in databases.
database-structures
indexing
Medium
#6SQL Query Writing and Discussion
Medium
sql
databases
Write an SQL query related to the interview context and discuss table partitioning strategies.
#6
SQL Query Writing and Discussion
Write an SQL query related to the interview context and discuss table partitioning strategies.
sql
databases
Medium
#7Discussing Database Optimization Strategies
Medium
database-optimization
indexing
Explain strategies for database optimization, including indexing, sharding, and the effects of over-indexing on performance.
#7
Discussing Database Optimization Strategies
Explain strategies for database optimization, including indexing, sharding, and the effects of over-indexing on performance.
database-optimization
indexing
Medium
#8Sorting Algorithms and Complexity Discussion
Medium
sorting-algorithms
time-complexity
Discuss different sorting algorithms such as merge sort, quick sort, radix sort, and analyze their time complexities.
#8
Sorting Algorithms and Complexity Discussion
Discuss different sorting algorithms such as merge sort, quick sort, radix sort, and analyze their time complexities.
sorting-algorithms
time-complexity
Medium
4
#1Discussing Abstract Syntax Tree Generation
Medium
parser
ast
Explain the concept of parsing, method overriding, and generation of an Abstract Syntax Tree (AST).
#1
Discussing Abstract Syntax Tree Generation
Explain the concept of parsing, method overriding, and generation of an Abstract Syntax Tree (AST).
parser
ast
Medium
#2Runtime Polymorphism in Custom Widgets
Medium
polymorphism
oop
widgets
Discuss how custom widgets extend library classes, requiring function overrides, and the concept of runtime polymorphism as used in your project.
#2
Runtime Polymorphism in Custom Widgets
Discuss how custom widgets extend library classes, requiring function overrides, and the concept of runtime polymorphism as used in your project.
polymorphism
oop
widgets
Medium
mcacoding-challengedynamic-programmingcombinatoricsdatabase-optimizationcicdjob-interviewcareer-growthwalmart
r
ritwik chakraborty
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