Scale Engineer

Software Engineer

Software EngineerT3Medium to Hard

This interview process is for a Software Engineer (T3 level) at Baidu, focusing on assessing technical skills, problem-solving abilities, and cultural fit.

Rounds·3

Timeline·~14d

Experience·3 - 7 yrs

Comp band·US$110000 - US$150000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structure knowledge
  • Code quality and efficiency
  • System design capabilities
  • Scalability and performance considerations

Preparation

How to prepare.

Tips

  1. Review fundamental data structures and algorithms.
  2. Practice coding problems on platforms like LeetCode, focusing on medium and hard difficulties.
  3. Study system design principles and common architectural patterns.
  4. Prepare examples for behavioral questions using the STAR method (Situation, Task, Action, Result).
  5. Research Baidu's core technologies and recent projects.
  6. Understand the company's mission and values.
  7. Be ready to discuss your past projects in detail, highlighting your contributions and challenges.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms fundamentals. Practice 5-7 problems/day.

Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Trees, Graphs, Hash Tables) and algorithms (Sorting, Searching, Dynamic Programming, Greedy Algorithms). Practice implementing these efficiently and analyze their time/space complexity. Aim for 5-7 problems per day.

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a URL shortening service like bit.ly.
  • Explain the difference between a process and a thread.
  • Describe a time you had a conflict with a teammate and how you resolved it.
  • How would you design a system to handle millions of concurrent users?
  • What are the trade-offs between SQL and NoSQL databases?
  • Tell me about a challenging bug you encountered and how you debugged it.
  • How do you ensure the scalability and reliability of your code?
  • What is your experience with cloud platforms like AWS, Azure, or GCP?
  • Describe a situation where you had to learn a new technology quickly.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Beijing

Interview focus

Adaptability to the Chinese tech market.Understanding of local industry trends.Collaboration with diverse teams.

Common questions

  • Discuss a challenging project you worked on in Beijing.
  • How do you handle tight deadlines in a fast-paced Beijing environment?
  • What are your thoughts on the tech ecosystem in China?

Tips

  • Research current tech trends in China.
  • Be prepared to discuss your experiences working with Chinese teams.
  • Familiarize yourself with Baidu's products and services relevant to the Chinese market.

Rounds

Round-by-round.

Expand a step for evaluation criteria, sample questions, and prep notes.

DSA

Coding questions at Baidu.

Frequently reported on Baidu loops

View all at Baidu

Other guides

More at Baidu.