BrainRank
Career guide

Software Engineer career guide

Design, build, test and ship software that people rely on.

What does a software engineer do?

A software engineer designs, writes, tests and maintains software, from web and mobile apps to back-end services and internal tools. It is one of the most common entry points into IT careers in India, from service companies to product startups.

Hiring usually tests problem-solving with data structures and algorithms, plus practical knowledge of the language and stack you will use.

Typical responsibilities

  • Write clean, tested, maintainable code
  • Design features and components with the team
  • Review code and give constructive feedback
  • Debug and fix production issues
  • Write and maintain technical documentation
  • Work in agile teams with product and QA

Skills you need

Technical skills

  • One programming language in depth (Java, Python, JavaScript or C++)
  • Data structures and algorithms
  • Object-oriented design
  • Databases and SQL
  • Git and version control
  • REST APIs and web fundamentals
  • Testing practices

Soft skills

  • Breaking down problems
  • Reading and learning from others' code
  • Clear technical communication
  • Ownership of quality

Tools and technologies

  • Git and GitHub or GitLab
  • VS Code or IntelliJ
  • A main language and framework (for example Java with Spring, or JavaScript with React and Node.js)
  • SQL databases
  • Docker
  • CI/CD pipelines
  • Jira

Certifications

  • AWS Certified Developer – AssociateIntermediate
    AWS
  • Oracle Certified Professional: Java SE DeveloperIntermediate
    Oracle

Certifications are optional for most roles; skills and projects matter more. Providers retire and rename exams regularly, so check the provider's website before you register. Last reviewed October 2026.

Software Engineer salary

We only publish salary ranges based on verified data, and we don't have a reliable source for this role yet. Meanwhile, if you have an offer or a target CTC, work out what you would actually take home.

Career path

  1. Step 1
    Associate Software Engineer
  2. Step 2
    Software Engineer
  3. Step 3
    Senior Software Engineer
  4. Step 4
    Staff Engineer or Tech Lead
  5. Step 5
    Principal Engineer or Engineering Manager

Titles and the time between steps vary by company and individual.

Your first 90 days of learning

First 30 days

Language and fundamentals

  • Get fluent in one language: syntax, collections, error handling
  • Solve easy problems on arrays, strings and hash maps daily
  • Learn Git basics: branches, commits and pull requests
Days 31-60

Data structures and building

  • Practise linked lists, trees, recursion and sorting
  • Build a small CRUD application with a database
  • Learn REST API basics and write unit tests
Days 61-90

Projects and interview readiness

  • Ship one project you can demo, with a README
  • Practise medium-level problems under time limits
  • Prepare to explain your project's design decisions
See the full step-by-step roadmap

Interview preparation

Common topics to prepare for software engineer interviews. These are preparation areas, not questions from a specific company's interview.

  • Arrays, strings and hash maps
  • Linked lists, trees and graphs
  • Time and space complexity
  • Object-oriented design principles
  • SQL queries and database basics
  • Explaining a project you built

Resume guidance

  • Lead with projects and what you built, not course lists
  • Name the stack for each project
  • Link GitHub and a deployed demo if possible
  • Mention problem-solving practice only if you can discuss it

Is your resume ready for software engineer roles?

Upload your resume to check ATS readiness, matched keywords and what to improve.

Keep going