Preparing for Tech Interviews in 2025? Here’s Your Step-by-Step Roadmap to Crack Product-Based Companies!

Landing your dream tech job takes more than just writing code β€” it requires structured preparation across key areas. Whether you’re a final-year student, career switcher, or aspiring SDE, this roadmap will guide you from zero to offer letter! πŸ’ΌπŸš€

βœ… 1. Master Coding and DSA (Data Structures & Algorithms)

Start with daily practice of problem-solving and competitive programming. Focus on:

𝐏𝐚𝐲 π€πŸπ­πžπ« 𝐏π₯𝐚𝐜𝐞𝐦𝐞𝐧𝐭 π“π«πšπ’π§π’π§π  𝐏𝐫𝐨𝐠𝐫𝐚𝐦- π†πžπ­ 𝐏π₯𝐚𝐜𝐞𝐝 𝐈𝐧 𝐓𝐨𝐩 πŒππ‚'𝐬
  • Arrays, Strings, Linked Lists, Trees, Graphs
  • Sorting, Searching, Recursion, DP, Greedy
  • Time and Space Complexity

πŸ–₯️ Top Platforms to Practice:

  • πŸ”— Leetcode Contests – Real-time problem-solving
  • πŸ”— CodeChef – Competitive programming for all levels
  • πŸ”— Codeforces – Great for timed contests & ratings

βœ… 2. Revise Core CS Fundamentals

These topics are must-know in interviews β€” especially for product-based companies like Amazon, Google, or Zomato.

πŸ”Ή Operating Systems (OS)
πŸ”Ή Database Management Systems (DBMS)
πŸ”Ή Computer Networks (CN)

πŸŽ“ Learn from:

βœ… 3. Build Real-World Projects (Resume Boosters!)

Go beyond “to-do apps.” Build something recruiters care about:

πŸ”Ή Full-stack web apps
πŸ”Ή Real-time dashboards
πŸ”Ή Scalable backend systems

Start with Python & Django β€” beginner-friendly and powerful.

🌐 Resources to Start:

βœ… 4. Stay Consistent & Track Progress

🚨 It’s not just what you study, it’s how consistently you show up. Use:

  • Notion / Excel to log daily goals
  • Weekly mock interviews
  • Resume improvements and project updates

πŸ“Œ Final Tips:

βœ”οΈ Keep your GitHub updated
βœ”οΈ Add comments and documentation to your code
βœ”οΈ Join LinkedIn/Discord communities for feedback
βœ”οΈ Practice behavioral/HR rounds too

🎯 Save this guide and start executing β€” one skill at a time!

Whether you’re aiming for FAANG, startups, or global tech giants β€” this plan works if you stay consistent. πŸ’ͺ

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