June 30 → August 30, 2025 · 62 Days
Python + DSA
50 LeetCode Problems
Backend Development
Core CS Subjects
Total Days
62
June 30 – Aug 30
DSA Topics
20
Arrays → Graphs
LeetCode
50
Top placement Qs
Core Subjects
5
OS, DBMS, CN, OOP, SE
Backend
4
Python · Flask · SQL · Deploy
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Day-by-Day Study Timetable (June 30 – Aug 30)
Python/DSA
DSA Practice
LeetCode
Core Subjects
Backend Dev
📌 Phase 1 · Python Foundations + Arrays (Jun 30 – Jul 13)
Week 1 · Jun 30 – Jul 6
Week 2 · Jul 7 – Jul 13
📌 Phase 2 · Core DSA + LeetCode (Jul 14 – Aug 3)
Week 3 · Jul 14 – Jul 20
Week 4 · Jul 21 – Jul 27
Week 5 · Jul 28 – Aug 3
📌 Phase 3 · Backend + Revision + Mock (Aug 4 – Aug 30)
Week 6 · Aug 4 – Aug 10
Week 7 · Aug 11 – Aug 17
Week 8 · Aug 18 – Aug 24
Week 9 · Aug 25 – Aug 30
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Python + DSA Roadmap
🐍 Python Foundations
📊 Data Structures
⚙️ Algorithms
⚡
Top 50 LeetCode Problems for Placement
Easy (20)Must Do First
Medium (24)Core Placement Level
Hard (6)Bonus / FAANG
# Problem Category Difficulty Link
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Core CS Subjects
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Backend Development — Python (Flask + REST + SQL + Deploy)
Phase 1 · Python Web Basics (Week 6 – 7)
HTTP Methods (GET/POST/PUT/DELETE) Flask Setup & Virtual Env Routes & URL Rules Templates (Jinja2) Request & Response Objects JSON APIs Flask Blueprints Error Handling Flask-CORS
Phase 2 · Database (Week 7 – 8)
SQLite Basics Flask-SQLAlchemy ORM Models & Migrations CRUD Operations Relationships (1:N, M:N) PostgreSQL Basics Query Optimization
Phase 3 · REST API + Auth (Week 8)
RESTful API Design JWT Authentication Flask-JWT-Extended Password Hashing (bcrypt) Middleware API Versioning Postman Testing Input Validation
Phase 4 · Deploy to Vercel / Render (Week 9)
Git + GitHub requirements.txt Vercel (Serverless Python) Render (Flask Deploy) Environment Variables vercel.json Config CI/CD Basics README + Portfolio
🗂️ Suggested Backend Project — Task Manager REST API
Features: User registration/login (JWT) · CRUD tasks · Due dates · Priority tags · Mark complete
Stack: Python · Flask · SQLAlchemy · SQLite → PostgreSQL · Deployed on Render/Vercel
Endpoints: POST /auth/register · POST /auth/login · GET /tasks · POST /tasks · PUT /tasks/:id · DELETE /tasks/:id
GitHub: Well-documented README · Postman collection · Live URL in bio
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