Placement Preperation Tips

DO's

  • Research the company’s background, values, and recent projects before the interview.
  • Practice common interview questions and prepare concise, confident answers.
  • Dress professionally and maintain good personal hygiene.
  • Be punctual — arrive at least 10–15 minutes before the scheduled time.
  • Maintain good posture, eye contact, and a friendly smile during the interview.
  • Prepare and bring multiple copies of your updated resume.
  • Highlight your strengths with specific examples from past experiences.
  • Ask insightful questions about the role or company at the end of the interview.

DON'Ts

  • Don’t arrive late or unprepared for the interview.
  • Don’t speak negatively about past employers, teachers, or teammates.
  • Don’t interrupt the interviewer while they are speaking.
  • Don’t use slang or overly casual language during the interview.
  • Don’t lie or exaggerate your skills and experience.
  • Don’t appear distracted — keep your phone on silent and out of sight.
  • Don’t forget to maintain polite body language and a professional tone.
  • Don’t panic if you don’t know an answer — stay calm and try to reason it out.
  • Don’t ignore company instructions for tests, documents, or dress code.
  • Don’t ignore company instructions for tests, documents, or dress code.

Skill Gap Analysis

Company Wise Interview Experience

Amazon Interview Experiences

Amazon SDE-1 Interview — Bengaluru

Application & Timeline: Applied through campus placement, received OA link within a week. Entire process took 3 weeks.

Preparation: Solved 200+ LeetCode problems (arrays, strings, dynamic programming). Read Amazon Leadership Principles daily and prepared STAR-format stories.

  1. OA: Longest subarray sum K, minimum swaps to make string palindrome, work-style questionnaire.
  2. Round 1: Rotate linked list, BFS shortest path in grid.
  3. Round 2: System design for notification service.
  4. Behavioral: Ownership example from college project.

Challenges Faced: Time management in OA — first question took longer than expected, had to rush second.

Outcome: Offer received after 2 weeks.

Tips: Practice DSA daily, especially arrays, strings, graphs. Be ready with 2-3 strong LP stories for each principle.

Amazon SDE-1 Interview — Hyderabad

Application & Timeline: Applied via LinkedIn, recruiter reached out within 10 days. Process lasted 4 weeks.

Preparation: Focused on system design basics, heaps, tries, and graph problems. Mock interviews with friends helped confidence.

  1. OA: Largest rectangle of 1’s, distinct substrings count.
  2. Round 1: Trie implementation.
  3. Round 2: Merge k sorted linked lists.
  4. Round 3: Design a ride-sharing backend.
  5. Behavioral: Resolving conflict in a team project.

Challenges Faced: Explaining design decisions under time pressure.

Outcome: Offer for Hyderabad SDE-1 team.

Tips: Explain your thought process clearly. Don’t jump straight to coding — discuss approach first.

Amazon SDE-1 Interview — Chennai

Application & Timeline: Referral from ex-colleague. Process took 5 weeks due to scheduling delays.

Preparation: Read “Cracking the Coding Interview,” practiced concurrency problems, reviewed Java OOP concepts.

  1. OA: Rope connection cost, string scramble check.
  2. Round 1: Thread-safe singleton.
  3. Round 2: Median from data stream.
  4. Behavioral: Inventing a solution to cut processing time by 40%.

Challenges Faced: Keeping answers concise for LP questions while still giving enough detail.

Outcome: Selected for Chennai office, Cloud Services team.

Tips: Practice STAR method for LPs. For coding, aim for O(log n) or O(n) solutions whenever possible.

Amazon SDE-1 Interview — Delhi

Application & Timeline: Off-campus application via Amazon Jobs portal, OA within 2 weeks. Process took 1 month.

Preparation: Brushed up on binary trees, DP, and API design. Reviewed common e-commerce system design patterns.

  1. OA: Longest palindromic substring, minimum jumps problem.
  2. Round 1: Serialize/deserialize binary tree.
  3. Round 2: E-commerce recommendation engine.
  4. Behavioral: Handling ambiguity in requirements.

Challenges Faced: Adjusting design for scalability questions from interviewer.

Outcome: Selected but preferred another city location.

Tips: For system design, always talk about scaling horizontally and using caching effectively.

Amazon SDE-1 Interview — Pune

Application & Timeline: Applied through Hackerrank hiring challenge, results in 5 days. Completed interviews in 2 weeks.

Preparation: Focused on linked lists, caching mechanisms, and cloud basics. Practiced behavioral questions daily.

  1. Round 1: Reverse nodes in k-group linked list.
  2. Round 2: In-memory cache design.
  3. Round 3: Failure recovery story from a past internship.

Challenges Faced: Debugging edge cases during live coding without IDE auto-complete.

Outcome: Offer for SDE-1, AWS team in Pune.

Tips: Stay calm during debugging, talk aloud about what you’re trying. Amazon values communication as much as coding skills.

Google Interview Experiences

Google SWE — Bangalore

Application & Timeline: Applied via careers site, recruiter contacted in 2 weeks. Total process: 6 weeks.

Preparation: Practiced LeetCode hard problems (graphs, DP, recursion). Reviewed Google-specific system design resources.

  1. Round 1: Word ladder shortest path.
  2. Round 2: Implement LRU cache.
  3. Round 3: Design Google Docs real-time collaboration.
  4. Behavioral: Leading a cross-team project with changing requirements.

Challenges Faced: Explaining trade-offs in system design with limited time.

Outcome: Offer for Bangalore office.

Tips: Think out loud. Google values clarity and structured problem-solving over rushed answers.

Google SWE — Hyderabad

Application & Timeline: Referral from ex-Google engineer. Took 8 weeks due to scheduling delays.

Preparation: Practiced dynamic programming, bit manipulation, and concurrency patterns.

  1. Round 1: Median of two sorted arrays.
  2. Round 2: Parallel web crawler design.
  3. Round 3: Behavior-focused: "Tell me about a time you failed and recovered."

Challenges Faced: Avoiding over-optimization early in coding rounds.

Outcome: Shortlisted for Hyderabad Ads team.

Tips: Don’t jump to code — confirm understanding with the interviewer.

Google SWE — Mountain View

Application & Timeline: Applied through internship conversion. Completed process in 3 weeks.

Preparation: Focused on algorithms, large-scale design, and leadership principles.

  1. Round 1: Kth smallest element in BST.
  2. Round 2: Design YouTube recommendation system.
  3. Behavioral: Handling production outage as an intern.

Challenges Faced: Keeping solutions within O(log n) or O(n) complexity.

Outcome: Offer for YouTube infra team.

Tips: Use whiteboard space effectively to explain your approach visually.

Google SWE — Zurich

Application & Timeline: Applied via careers site, interview loop in 5 weeks.

Preparation: Focused on graph algorithms, caching strategies, and distributed systems.

  1. Round 1: Detect cycle in a directed graph.
  2. Round 2: Design Google Maps real-time traffic updates.
  3. Behavioral: Decision-making under incomplete data.

Challenges Faced: Explaining how to handle global scale latency issues.

Outcome: Offer received after 2 weeks.

Tips: Use examples of distributed scale in answers — Google values scale-thinking.

Google SWE — Singapore

Application & Timeline: Reached through LinkedIn recruiter. 4-week process.

Preparation: Practiced advanced DP, segment trees, and API design.

  1. Round 1: Range sum query with updates.
  2. Round 2: Design Google Calendar backend.
  3. Behavioral: Delivering on a tight deadline with dependencies.

Challenges Faced: Handling timezone conversions in system design.

Outcome: Offer for Google Calendar team.

Tips: Always check for corner cases before finalizing the code.

Microsoft Interview Experiences

Microsoft SDE-1 Interview — Redmond
Application & Timeline: Applied through careers portal, OA after 1 week, onsite in 3 weeks.
Preparation: Focused on arrays, linked lists, system design basics.
Rounds:
1. OA: Find kth largest element, SQL joins.
2. DSA: Implement trie, merge k sorted lists.
3. LLD: Design an elevator system.
4. System Design: News feed service.
5. Behavioral: Conflict resolution experience.
Outcome: Offer for Redmond team.
Tips: Focus on data structures + Microsoft values.
Microsoft SDE-1 Interview — Bengaluru
Application & Timeline: Campus drive, OA in 4 days, completed in 3 weeks.
Preparation: 180+ LeetCode problems, SQL, Microsoft culture.
Rounds:
1. OA: Missing number, train platforms, SQL top salaries.
2. DSA: LCA in binary tree, detect cycle.
3. LLD: LRU Cache.
4. System Design: URL shortener.
5. Behavioral: Disagreement with manager.
Outcome: Offer for Bengaluru.
Tips: Practice SQL + design patterns.
Microsoft SDE-1 Interview — Hyderabad
Application & Timeline: LinkedIn referral, process in 5 weeks.
Preparation: Graphs, heaps, concurrency basics.
Rounds:
1. OA: Number of islands, min window substring, debug array function.
2. DSA: Merge intervals, bipartite check.
3. LLD: Parking lot system.
4. System Design: Collaborative document editor.
5. Behavioral: Handling conflicting deadlines.
Outcome: Offer for Azure team.
Tips: Be clear on time complexity.
Microsoft SDE-1 Interview — Noida
Application & Timeline: Off-campus application, 3 weeks total.
Preparation: CTCI, concurrency, OS concepts.
Rounds:
1. OA: Word ladder, stock transactions, SQL joins.
2. DSA: Reverse linked list in groups, min stack.
3. LLD: Rate limiter API.
4. System Design: Microsoft Teams chat service.
5. Behavioral: Growth mindset example.
Outcome: Offer for Office 365 team.
Tips: Clarify requirements before coding.
Microsoft SDE-1 Interview — Seattle (Remote)
Application & Timeline: Recruiter outreach, 2 weeks prep time, final in 1 month.
Preparation: Emphasis on scalable systems, cloud basics (Azure), LeetCode mediums.
Rounds:
1. OA: Median of two sorted arrays, string compression.
2. DSA: Implement autocomplete, max path sum in tree.
3. LLD: Online code editor.
4. System Design: Real-time multiplayer game lobby.
5. Behavioral: Leading without authority.
Outcome: Remote SDE role.
Tips: Learn Azure services basics.

Meta (Facebook) Interview Experiences

Meta SDE-1 Interview — Menlo Park
Application & Timeline: Applied via referral, 1 month total process.
Preparation: Focused on recursion, dynamic programming, graph theory.
Rounds:
1. OA: Word break problem, largest rectangle in histogram.
2. DSA: Clone graph, LFU cache.
3. LLD: News feed ranking system.
4. System Design: Facebook Live streaming architecture.
5. Behavioral: Impact-focused project discussion.
Outcome: Offer for Menlo Park.
Tips: Emphasize scalability in design.
Meta SDE-1 Interview — London
Application & Timeline: Recruiter reach out, OA in 3 days, offer in 5 weeks.
Preparation: 200+ LeetCode problems, GraphQL basics, concurrency.
Rounds:
1. OA: Course schedule, meeting rooms II.
2. DSA: Serialize/deserialize binary tree, word ladder II.
3. LLD: Facebook Messenger system.
4. System Design: Marketplace recommendation engine.
5. Behavioral: Handling high-pressure launches.
Outcome: Offer for London office.
Tips: Learn Facebook’s “Move Fast” culture.
Meta SDE-1 Interview — New York
Application & Timeline: Campus placement, completed in 3 weeks.
Preparation: Linked list problems, heap operations, OS fundamentals.
Rounds:
1. OA: Subarray sum equals k, minimum spanning tree.
2. DSA: Kth smallest element in BST, sliding window maximum.
3. LLD: Facebook groups feature.
4. System Design: Event subscription & notifications.
5. Behavioral: Mentorship experience.
Outcome: Offer for NY team.
Tips: Communicate trade-offs clearly.
Meta SDE-1 Interview — Singapore
Application & Timeline: Applied online, OA in 2 weeks, final in 6 weeks.
Preparation: Binary search variations, REST API design, cloud basics.
Rounds:
1. OA: Median of two sorted arrays, min cost to connect cities.
2. DSA: Flatten nested list iterator, max profit in job scheduling.
3. LLD: Stories feature design.
4. System Design: Content delivery optimization for reels.
5. Behavioral: Working with diverse teams.
Outcome: Offer for Singapore.
Tips: Focus on user engagement metrics in design.
Meta SDE-1 Interview — Hyderabad
Application & Timeline: Internal referral, 5-week process.
Preparation: Advanced graph problems, caching strategies, React fundamentals.
Rounds:
1. OA: All paths from source to target, job scheduling with deadlines.
2. DSA: Merge k sorted lists, design autocomplete system.
3. LLD: Events & reminders in Facebook Calendar.
4. System Design: Distributed caching layer for Messenger.
5. Behavioral: Stakeholder conflict resolution.
Outcome: Offer for Hyderabad office.
Tips: Show deep understanding of distributed systems trade-offs.