Explore the Top 30+ DSA projects with source code in 2025

Data Structures and Algorithms (DSA) create the backbone of efficient programming and problem-solving skills. If you're preparing for coding interviews or learning a strong basis for competitive programming, working on real-world DSA projects can take your skills to the upper level.

DSA projects, such as a Library Management System or a Job Scheduling System, not only support your coding skills but also demonstrate your practical knowledge to potential employers.

In this blog, we’ll explore some of the best Data Structures and Algorithms (DSA) projects with source code for 2025, categorized for beginners, intermediate, and advanced learners. You’ll also learn how building DSA projects can boost your problem-solving ability, enhance coding confidence, and improve your job prospects.

Ready to turn your DSA knowledge into real-world skills? Explore our Online Software Development Courses and get hands-on experience through practical projects, expert guidance, and career-focused learning.

What are the Top DSA Projects for Beginners with Source Code? (H2)

Building beginner-friendly projects is a great way to put what you've learned about Data Structures and Algorithms (DSA) into practice if you're just starting out. 

You can practically apply fundamental ideas like arrays, stacks, queues, and linked lists with the help of these DSA projects. These DSA projects will be great additions to your resume if you are applying for internships or entry-level jobs.

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Let’s dive into practical DSA projects that will help you understand the core principles of data structures & algorithms while developing real, working code:

1. Snake Game

Snake Game develops a classic Snake Game where the snake grows longer with every food item it eats, avoiding collisions with the wall or itself. It’s one of the most fun and interactive DSA project ideas for beginners.

• Key Concepts Used: Arrays, Game Loop, Collision Detection 
• Best For: DSA projects with source code in Python or Java

2. Sorting Visualizer

The Sorting Visualizer creates an interactive tool to visualize how sorting algorithms work in real-time. It’s great for building a deeper understanding of algorithm efficiency and visual representation.

• Key Concepts Used: Bubble Sort, Merge Sort, Quick Sort 
• Best For: Web-based DSA projects in JavaScript or DSA projects in C++

3. Maze Solver

Maze Solve can solve mazes using BFS or DFS. This is a perfect DSA-based project for learners looking to master graph traversal and backtracking.

• Key Concepts Used: Graphs, BFS, DFS, Backtracking 
• Ideal For: Intermediate-level DSA projects in Java or Python

4. Linked List Implementation

Build a complete implementation of singly and doubly linked lists from scratch. This foundational project is essential for understanding dynamic data structures.

• Key Concepts Used: Pointers, Memory Allocation, Linked List Operations 
• Best For: Fundamental DSA projects in C++ or Java

Explore More: Mini Project Ideas for Computer Science Students | MERN Stack Project Ideas

5. Binary Tree Construction

Construct binary trees with traversal operations. A key DSA project for resume building, showcasing recursion and tree algorithms.

• Key Concepts Used: Pre-order, In-order, Post-order Traversal, Recursion 
• Great For: DSA projects in Java and Python

6. Graph Algorithms Implementation

Implement graph algorithms like Dijkstra’s and DFS to solve real-world problems. This is one of the most powerful DSA projects with source code for learning advanced concepts.

• Key Concepts Used: Graph Traversals, Dijkstra's, Cycle Detection 
• Best In: DSA projects in C++ or Python

Also Read: Types of Graphs in Data Structures & Applications

7. Sudoku Solver

Create a solver that uses backtracking to solve Sudoku puzzles. A fun and challenging DSA-based project to practice recursion and constraint satisfaction.

• Key Concepts Used: Recursion, Backtracking, Constraint Satisfaction 
• Recommended For: Python or Java implementations

8. Travel Planner using Graphs

Design a system that plans the shortest travel routes using Dijkstra’s algorithm. It’s a great example of applying graph algorithms in real-world scenarios.

• Key Concepts Used: Weighted Graphs, Dijkstra’s Algorithm 
• Perfect For: DSA projects for a resume in logistics or transport applications

9. File Zipper Project

Build a tool that compresses and extracts files using Huffman Coding. It’s a great DSA project idea that teaches you about binary trees and compression techniques.

• Key Concepts Used: Huffman Coding, File I/O, Bit Manipulation 
• Best For: DSA projects in C++ or Python

10. Dynamic Event Scheduling Using Graph

Create a system to efficiently schedule events by avoiding overlaps using graph coloring. It’s a smart project that blends graphs with real-world planning.

• Key Concepts Used: Graph Coloring, Greedy Algorithms 
• Great For: Advanced DSA projects in Java or Python

11. Social Media Trend Analyzer Using Trie and Heap

Using Trie and Heap, Track and analyze trending hashtags using Trie for storage and Heap for ranking. A real-time, advanced DSA project that deals with large-scale data.

• Key Concepts Used: Trie, Heap, Real-time Data Processing 
• Ideal For: DSA projects in Java and Python

This project applies to social media analytics, sentiment analysis, and recommendation systems, especially for businesses tracking online trends and customer preferences.

12. Creating a To-Do List

Build a simple to-do list app using basic data structures. This beginner-friendly DSA project idea helps you understand CRUD operations and UI handling.

• Key Concepts Used: Arrays, Lists, CRUD, User Interaction 
• Suggested In: Python or JavaScript

13. Building a Phonebook

Implement a contact management system using hashing for fast lookup. It’s a solid project for showcasing your skills in efficient data retrieval.

• Key Concepts Used: Hash Maps, Search Algorithms, Data Management 
• Best For: DSA projects with source code in Java or C++

14. Build a Simple Calculator

Design a calculator to perform basic arithmetic functions with UI support. A useful beginner project to understand event handling and user input.

• Key Concepts Used: Arithmetic Logic, Input Validation, UI Handling 
• Recommended In: Python with Tkinter or Java with JavaFX

 Also, for a fun practice, explore Build a Calculator using JavaScript, HTML, and CSS in 2025!

15. Students' Grade Checker

Create a tool to input student marks, compute grades, and track performance. This is a basic yet important data project idea for managing academic data.

• Key Concepts Used: Conditional Logic, File I/O, Data Display 
• Ideal For: Python or Java-based project

16. Plagiarism Detection System

Detect content similarity between texts using string-matching algorithms. A great project to apply text analysis and algorithmic thinking.

• Key Concepts Used: String Matching, Text Analysis, Recursion 
• Best For: DSA projects in Java or Python

17. Crossword Puzzle Game

Build a crossword puzzle using backtracking and word constraints. A fun way to explore 2D arrays and interactive puzzle design.

• Key Concepts Used: Backtracking, Constraint Satisfaction, 2D Arrays 
• Great For: Beginner-to-intermediate level DSA projects.

18. Task Scheduler

Develop a scheduler that sorts and prioritizes tasks using heaps. This DSA project is useful in time management and productivity tools.

• Key Concepts Used: Priority Queue, Heap, Dynamic Data Management 
• Recommended In: Python or Java

19. Pathfinding Algorithms Visualizer

Create a visual tool to demonstrate how pathfinding algorithms work in grids. It’s a must-have DSA project for a resume that displays algorithmic thinking clearly.

• Key Concepts Used: A*, Dijkstra’s, BFS, Visualization 
• Perfect For: DSA projects in JavaScript or Python

What are the Top DSA Projects for Intermediate Learners with Source Code?

After learning the basics of Data Structures and Algorithms (DSA), it's time to move on to more complex tasks. These DSA projects are perfect for enhancing your problem-solving abilities, which can be a value addition to your resume. 

This list is ideal if you're searching for stronger DSA project ideas to highlight your proficiency with logic and algorithms.

Here are some top DSA projects for intermediate learners:

1. Library Management System

Build a tool to manage books, members, and borrowing activities like a real-world library. This DSA project is great for practicing data storage and user management.

• Key Concepts Used: Linked List, Hash Map, Queues, File Handling
• Recommended In: DSA projects in Java or C++

2. Social Network Analysis

Use graph algorithms to analyze user connections and trends in a social media-style network. It’s one of the best DSA project ideas to explore clustering and shortest paths.

• Key Concepts Used: Graph Traversal, Clustering, Community Detection
• Recommended In: Python with NetworkX or DSA projects in Java

3. Banking Management System

Simulate bank operations like deposits, withdrawals, and balance checks. This project teaches secure transaction processing and real-time data handling.

• Key Concepts Used: Binary Search Trees, Queues, Security Checks
• Recommended In: DSA projects in Java or C++

4. Travel Planner using Graphs

Design a travel planner that finds the best route based on cost, distance, or time. This is a top pick among DSA projects involving graph theory.

• Key Concepts Used: Dijkstra’s Algorithm, Graphs, Shortest Path
• Recommended In: Python with NetworkX or JavaScript with Google Maps API

5. Cash Flow Minimizer

Create a system to manage and optimize financial transactions. A smart DSA project for resume building in the finance domain.

• Key Concepts Used: Greedy Algorithms, Dynamic Programming
• Recommended In: Python or C++ for algorithm-heavy tasks

6. E-commerce Inventory Management System

Build an app that tracks products, handles orders, and manages stock in real-time. Perfect for learning how to apply DSA in retail systems.

• Key Concepts Used: Hashing, Search Trees, Real-time Updates
• Recommended In: DSA projects in Java or Python

7. Job Scheduling Algorithm

Design a system that schedules jobs based on deadlines or profits. A strong DSA project idea for learning optimization techniques.

• Key Concepts Used: Greedy Algorithms, Job Prioritization
• Recommended In: Python or Java with standard libraries

8. Real-Time Stock Price Analysis

Track and analyze livestock data to predict market trends. Great for combining DSA knowledge with real-time APIs and financial data.

• Key Concepts Used: Moving Averages, APIs, Data Visualization
• Recommended In: DSA projects in Python or JavaScript

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What are the Top DSA Projects for Advanced Learners with Source Code?

If you’ve already worked on basic and intermediate DSA projects, it’s time to take your skills to the next level. Your profile will stand out if you combine algorithms, data structures, and real-world applications in your advanced DSA project ideas.

Additionally, these projects show that you understand machine learning, optimization, and system design, which are frequently required in high-level tech interviews.

Here are some of the best DSA projects with source code that advanced learners can work on and proudly add their DSA projects for their resumes:

1. Movie Recommendation System

Build a system that suggests movies to users using collaborative filtering techniques. It’s a smart DSA project that shows practical use of matrix operations and similarity scoring.

• Key Concepts Used: Collaborative Filtering, User-Item Matrix, Similarity Metrics
• Recommended In: Python or DSA projects in Java using Scikit-learn

2. URL Shortener Service

Create a tool that shortens long URLs into unique short links using hashing and redirection. This is one of the most practical DSA projects used in web applications.

• Key Concepts Used: Hashing, Redirection, Database Mapping
• Recommended In: Python with Flask or Node.js using Express

3. Data Compression with Huffman Encoding

Develop a file compression system using Huffman Coding. This project is perfect for learning greedy algorithms and binary trees, commonly covered in DSA projects in C++ and Java.

• Key Concepts Used: Huffman Trees, Greedy Algorithms, Bit Manipulation
• Recommended In: DSA projects in C++ or Java with custom implementation

4. Predictive Text Input Using Trie

Build an autocomplete tool that predicts words as a user types. This project is excellent for mastering the Trie data structure and efficient string searching.

• Key Concepts Used: Trie, String Matching, Real-time Search
• Recommended In: DSA projects in Java or Python with custom implementation

5. Graph-Based Sudoku Solver

Solve Sudoku puzzles using graph theory by treating each cell as a node and constraints as edges. A unique DSA project idea for those who enjoy logic-heavy challenges.

• Key Concepts Used: Graphs, Backtracking, Constraint Propagation
• Recommended In: Python with Pygame or Java with GUI

6. Stock Price Prediction

Use historical data and machine learning models to predict future stock prices. This project blends DSA with financial forecasting and real-time analysis.

• Key Concepts Used: Time Series Analysis, ML Algorithms, Data Visualization
• Recommended In: Python with Scikit-learn, Pandas, and TensorFlow

7. Chatbot with Real-Time Sentiment Analysis

Build an intelligent chatbot that understands user queries and responds in real-time using NLP and sentiment detection. A high-impact DSA project for a resume in AI-focused roles.

• Key Concepts Used: NLP, Machine Learning, Real-time Interaction
• Recommended In: Python with NLTK, SpaCy, and TensorFlow

Also Read: Sentiment Analysis Projects & Topics For Beginners

How Can upGrad Help You?

Now is the time to take the next big step after seeing the potential of DSA projects with source code. If you want to progress in your current job position or get into the tech industry? We are here to help you make that happen.

With upGrad courses, you get to work on hands-on projects, which means you're learning through doing!

What's even better, though? Gaining knowledge from experts in the field will help you get ready for the future of the job market. 

Some of the top courses include:

• Data Structures & Algorithms
• Introduction to Natural Language Processing
• Analyzing Patterns in Data and Storytelling

Have questions or are confused about how to start? Let upGrad’s career counseling session guide you toward your next career move. Take your career from coding to conquering!

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