Beginner
10h
Updated 5 months ago
Mid-Level Software Engineer Interview Questions
Level up your engineering career with targeted mid-level interview prep. Sharpen your problem-solving and communication skills through focused, hands-on practice that reflects real interview demands.
This is your guide to succeeding in mid-level software engineering interviews. Built for developers with professional experience, this resource targets the types of questions and challenges you’ll encounter when moving beyond junior roles. You’ll get structured practice across key areas like coding, System Design, behavioral questions, and debugging.
Created to reflect real interview expectations, this preparation track blends technical depth with practical scenarios. You’ll work through curated questions that hiring managers use to evaluate mid-level candidates, covering both theoretical understanding and hands-on implementation.
What sets this program apart is its focus on elevating your thinking from “can you code?” to “can you architect, optimize, and communicate like a mid-level engineer?” Through every exercise, you’ll refine your ability to balance quality, efficiency, and clarity.
This is your guide to succeeding in mid-level software engineering interviews. Built for developers with professional experience...Show More
WHAT YOU'LL LEARN
Techniques for solving medium difficulty coding problems with clean, efficient code.
Strategies for handling System Design interviews at a mid-level depth.
Best practices for debugging and testing under pressure.
Approaches to behavioral questions that reveal leadership, initiative, and team impact.
Techniques for solving medium difficulty coding problems with clean, efficient code.
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Content
1.
Getting Started
2 Lessons
2.
Two Pointers
46 Lessons
Introduction to Two PointersValid PalindromeSolution: Valid Palindrome3SumSolution: 3SumRemove Nth Node from End of ListSolution: Remove Nth Node from End of ListSort ColorsSolution: Sort ColorsReverse Words in a StringSolution: Reverse Words in a StringValid Word AbbreviationSolution: Valid Word AbbreviationStrobogrammatic NumberSolution: Strobogrammatic NumberMinimum Number of Moves to Make PalindromeSolution: Minimum Number of Moves to Make PalindromeNext Palindrome Using Same DigitsSolution: Next Palindrome Using Same DigitsLowest Common Ancestor of a Binary Tree IIISolution: Lowest Common Ancestor of a Binary Tree IIICount Pairs Whose Sum is Less than TargetSolution: Count Pairs Whose Sum is Less than TargetCount Subarrays With Fixed BoundsSolution: Count Subarrays With Fixed BoundsGet the Maximum ScoreSolution: Get the Maximum ScoreFind the Lexicographically Largest String From Box IISolution: Find the Lexicographically Largest String From Box IICreate Maximum NumberSolution: Create Maximum NumberAppend Characters to String to Make SubsequenceSolution: Append Characters to String to Make SubsequenceSquares of a Sorted ArraySolution: Squares of a Sorted ArrayReverse StringSolution: Reverse StringIntersection of Two Linked ListsSolution: Intersection of Two Linked ListsRemove ElementSolution: Remove ElementString CompressionSolution: String CompressionPartition LabelsSolution: Partition LabelsValid Palindrome II
3.
Fast and Slow Pointers
21 Lessons
4.
Sliding Window
33 Lessons
5.
Intervals
18 Lessons
6.
In-Place Manipulation of a Linked List
26 Lessons
7.
Heaps
25 Lessons
8.
K-way merge
15 Lessons
9.
Top K Elements
37 Lessons
10.
Modified Binary Search
34 Lessons
11.
Subsets
14 Lessons
12.
Greedy Techniques
39 Lessons
13.
Backtracking
33 Lessons
14.
Dynamic Programming
50 Lessons
15.
Cyclic Sort
12 Lessons
16.
Topological Sort
22 Lessons
17.
Sort and Search
31 Lessons
18.
Matrices
37 Lessons
19.
Stacks
30 Lessons
20.
Graphs
31 Lessons
21.
Tree Depth-First Search
35 Lessons
22.
Tree Breadth-First Search
24 Lessons
23.
Trie
30 Lessons
24.
Hash Maps
40 Lessons
25.
Knowing What to Track
32 Lessons
26.
Union Find
28 Lessons
27.
Custom Data Structures
32 Lessons
28.
Bitwise Manipulation
32 Lessons
29.
Math and Geometry
39 Lessons
30.
Challenge Yourself
40 Lessons
Certificate of Completion
Showcase your accomplishment by sharing your certificate of completion.
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