Home/Roadmaps/Backend Developer
⚙️

Backend Developer Roadmap

Become a production-ready backend developer. Master APIs, databases, authentication, and deployment. This roadmap is sourced from the best free resources curated for Indian learners.

5-7 months4-8 LPA → 25-50 LPA expected10 steps • 35 free resources
1

Programming Fundamentals

3-4 weeks

Pick one language — Python or JavaScript — and master it deeply. Learn variables, functions, loops, data structures, and OOP. Everything else in backend development builds on this foundation.

By the end, you'll be able to

  • Write clean functions, classes, and modules in your chosen language
  • Solve basic algorithmic problems (arrays, strings, hash maps)
  • Understand how code executes: call stack, memory, scope
🛠️

Mini-project

Build a CLI task manager that reads/writes to a JSON file. Add CRUD operations, due dates, and priority sorting.

2

SQL & Relational Databases

2-3 weeks

Data is the core of every backend. Learn SQL deeply: queries, joins, indexing, normalization, and transactions. Start with MySQL or PostgreSQL — they power most production apps in India.

By the end, you'll be able to

  • Write complex SQL queries with JOINs, subqueries, and aggregations
  • Design a normalized database schema from business requirements
  • Understand indexes, transactions, and query optimization basics
🛠️

Mini-project

Design the database for a food delivery app (users, restaurants, items, orders, payments). Write 20 queries: top restaurants, revenue per month, user order history, etc.

3

Node.js / Python Backend Basics

3-4 weeks

Learn how to build a web server. Understand HTTP, request/response, routing, middleware, and how to structure a backend project. Pick Express (Node) or Flask/Django (Python).

By the end, you'll be able to

  • Build a REST API server with proper routing and middleware
  • Handle request parsing, validation, and error responses
  • Structure a backend project with separation of concerns
🛠️

Mini-project

Build a bookstore API with Express or Flask. Implement CRUD for books, search by author/genre, pagination, and input validation. Test every endpoint with Postman.

4

REST APIs & Authentication

2-3 weeks

Learn to design proper REST APIs: resource naming, HTTP methods, status codes, pagination, and error handling. Then add auth: JWT tokens, bcrypt password hashing, and session management.

By the end, you'll be able to

  • Design REST APIs that follow industry conventions
  • Implement JWT-based authentication and role-based authorization
  • Handle password hashing, token refresh, and secure cookie management
🛠️

Mini-project

Add user registration, login, and protected routes to your bookstore API. Use JWT tokens, hash passwords with bcrypt, and add role-based access (admin vs user).

5

Git & Version Control

1 week

Every backend team uses Git. Learn branching, merging, pull requests, and collaborative workflows before your first job — interviewers expect this.

By the end, you'll be able to

  • Use branches, merges, and rebases confidently
  • Write meaningful commit messages and manage PRs
  • Resolve merge conflicts without panicking
🛠️

Mini-project

Contribute to an open-source backend project on GitHub. Start with docs or a small bug fix. Getting a PR merged is the best resume line.

6

MongoDB & NoSQL

1-2 weeks

Not everything fits in tables. Learn when to use NoSQL, document modeling in MongoDB, aggregation pipelines, and how to choose between SQL and NoSQL for a given problem.

By the end, you'll be able to

  • Model data as documents and understand when NoSQL fits better than SQL
  • Write aggregation pipelines for analytics queries
  • Connect MongoDB to your backend using Mongoose or the native driver
🛠️

Mini-project

Build a chat app backend with MongoDB: users, conversations, messages. Use the aggregation pipeline to get unread counts and recent conversations.

7

Testing & Error Handling

1-2 weeks

Production code needs tests. Learn unit testing, integration testing, mocking, and how to write tests that catch real bugs instead of just hitting coverage numbers.

By the end, you'll be able to

  • Write unit and integration tests for your API endpoints
  • Mock external services and databases in tests
  • Set up a CI pipeline that runs tests on every push
🛠️

Mini-project

Write a full test suite for your bookstore API: happy paths, edge cases, auth failures, and database errors. Aim for 80%+ coverage.

8

Deployment & DevOps Basics

2-3 weeks

Ship your code. Learn Docker containers, environment variables, CI/CD pipelines, and how to deploy to AWS/Vercel/Railway. A project that isn't deployed doesn't exist.

By the end, you'll be able to

  • Containerize your app with Docker and docker-compose
  • Set up a basic CI/CD pipeline with GitHub Actions
  • Deploy a full backend to a cloud provider with a database
🛠️

Mini-project

Dockerize your bookstore API, add a GitHub Actions CI pipeline, and deploy to Railway or AWS EC2 with a managed database. Set up environment variables properly.

9

System Design Basics

2-3 weeks

Understand how real systems scale. Learn about load balancers, caching (Redis), message queues, microservices vs monoliths, and database scaling strategies.

By the end, you'll be able to

  • Design a system architecture for a medium-scale app (100K users)
  • Explain caching, load balancing, and database sharding at a whiteboard
  • Know when to use microservices vs a monolith (hint: start with monolith)
🛠️

Mini-project

Draw the architecture for a URL shortener like bit.ly. Then build it: API, Redis cache, analytics tracking, rate limiting. Deploy it.

10

Interview Prep & Portfolio

3-4 weeks

Backend interviews in India test: DSA (medium LeetCode), system design, SQL queries, API design, and sometimes a take-home project. Practice daily and build a portfolio of deployed projects.

By the end, you'll be able to

  • Solve medium-level DSA problems in 30 minutes
  • Design systems on a whiteboard: URL shortener, Twitter feed, chat app
  • Have 3+ deployed backend projects with clean GitHub repos
🛠️

Mini-project

Do 3 mock system design interviews on Pramp or with a friend. Solve 50 LeetCode problems (focus on arrays, strings, trees, graphs). Apply to 20+ companies.

🎉

Pick the path that fits you

Not sure if this is the right roadmap? Browse all our career paths and find the one that matches your goals.