Kickstart Your Coding Journey — with DevStackFlow
One platform for DSA, development, Core CS, programming, compiler practice, career opportunities, and everything you need on your journey as a developer.
Data Structures and Algorithms
Learn the concepts, then practice them — start with the tutorials if you're new to a topic, pick a sheet that matches where you are before placements, or jump straight into the full problem list and filter by difficulty or topic.
500+ problems — for 2nd & 3rd year BTech students to cover every DSA topic.
500+ Problems →
Before appearing for interviews, solve this sheet — most companies ask questions repeatedly from these 150 problems.
150 Problems →
For last-minute revision before appearing for placements.
75 Problems →
New to programming and want to solve problems? Start here — highly recommended for BTech 1st year students.
Easy Only →Concept-by-concept theory — arrays to graphs, explained with examples before you practice.
Start Learning →Every problem in one place — filter by difficulty and topic, or search by name.
598+ Problems →Programming Languages
This is where you work across languages on DevStackFlow — write and run code in Java, Python, C, C++ and JavaScript through the built-in compiler, solve every DSA problem in all five, and go deep with Java's full tutorial track, from core concepts and OOP to Spring Boot backend development.
Beginner to advanced, full track
Start Learning →Hands-on practice programs
Practice Now →
Tutorials coming soon
Soon
Tutorials coming soon
Soon
Tutorials coming soon
Soon
Tutorials coming soon
SoonWrite and execute code right in your browser — Java, Python, C, C++, C#, JavaScript, TypeScript, Go, Kotlin, Rust, PHP, Ruby, Swift and Scala are all ready to go, no installs required.
Core CS Fundamentals
The theory every technical interview eventually tests — Computer Networks, Operating Systems, Object-Oriented Programming, Database Management Systems and System Design — the core computer science concepts behind every DSA problem you solve.
Tutorials coming soon
SoonTutorials coming soon
SoonTutorials coming soon
SoonTutorials coming soon
SoonTutorials coming soon
SoonTechnologies
The tools behind real production systems — Spring Boot for building backend services, Docker and Kubernetes for packaging and running them at scale, and Kafka for the messaging that connects it all together.
Tutorials coming soon
SoonTutorials coming soon
SoonTutorials coming soon
SoonTutorials coming soon
SoonOnce you've practiced enough, apply directly — curated openings at top product & service companies, filtered for Java, DSA and backend developers.