DSA for Interviews
Free Intermediate course · 14 lessons · 6 weeks · Certificate on completion
The exact algorithms and patterns that show up in FAANG interviews — taught with code, not theory. Across 14 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.
What you'll learn
- Big-O the practical way
- Arrays and strings
- Hash maps and sets
- Two pointers and sliding window
- Trees and recursion
- Graphs and BFS/DFS
Skills you'll pick up
- Big-O the practical way
- Arrays and strings
- Hash maps and sets
- Two pointers and sliding windo
- Trees and recursion
- Graphs and BFS/DFS
Tools covered
- Data Structures and Algorithms
- Real-world projects
- Quizzes
- Final exam
Course modules
Module 1: Big-O the practical way
Module 1 of DSA for Interviews. 3 lessons · 3h
Module 2: Arrays and strings
Module 2 of DSA for Interviews. 3 lessons · 3h
Module 3: Hash maps and sets
Module 3 of DSA for Interviews. 3 lessons · 3h
Module 4: Two pointers and sliding window
Module 4 of DSA for Interviews. 3 lessons · 3h
Module 5: Trees and recursion
Module 5 of DSA for Interviews. 2 lessons · 2h
Lessons in this course
- Big-O the practical way
- Arrays and strings
- Hash maps and sets
- Two pointers and sliding window
- Trees and recursion
- Graphs and BFS/DFS
- Dynamic programming
- System design intro
- Data Structures and Algorithms: Deep dive 9
- Data Structures and Algorithms: Deep dive 10
- Data Structures and Algorithms: Deep dive 11
- Data Structures and Algorithms: Deep dive 12
- Data Structures and Algorithms: Deep dive 13
- Data Structures and Algorithms: Deep dive 14
Instructor
Akash Iyer — Senior SWE
Akash Iyer is a Senior SWE with years of hands-on experience teaching Data Structures and Algorithms to thousands of learners worldwide.
Certificate
Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for DSA for Interviews. It can be downloaded as a PDF and shared on LinkedIn.
Career outcomes
Median global salary $110,000 per year · median India salary ₹15,00,000 per year · 180,384 open roles worldwide
- Data Structures and Algorithms Specialist
- Senior Data Structures and Algorithms Lead
- Data Structures and Algorithms Consultant
Frequently asked questions
Is the DSA for Interviews course free?
Yes. Every Learnera course, including DSA for Interviews, is completely free — lessons, quizzes, the final exam, and the certificate.
How long does DSA for Interviews take?
14 lessons, typically completed in 6 weeks at a comfortable pace.
Do I get a certificate?
Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.