Scale Engineer

Software Engineer

Software EngineerT5Medium to Hard

This interview process is for a Software Engineer position at Baidu, targeting the T5 level. It assesses technical skills, problem-solving abilities, and cultural fit.

Rounds·3

Timeline·~14d

Experience·4 - 8 yrs

Comp band·US$140000 - US$180000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving approach and analytical skills.
  • Technical depth and breadth.
  • Coding proficiency and efficiency.
  • System design capabilities.
  • Communication and collaboration skills.
  • Cultural fit and alignment with Baidu's values.

Preparation

How to prepare.

Tips

  1. Review fundamental computer science concepts (data structures, algorithms, operating systems, databases).
  2. Practice coding problems on platforms like LeetCode, focusing on medium to hard difficulty.
  3. Study system design principles and common architectural patterns.
  4. Prepare for behavioral questions by reflecting on past experiences using the STAR method.
  5. Research Baidu's products, services, and recent news.
  6. Understand the specific requirements of the Software Engineer role at Baidu.

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 implementations and complexity analysis.

Weeks 1-2: Focus on core data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal). Practice implementing these from scratch and analyze their time/space complexity.

Questions

Commonly asked.

  • Given a large dataset of user clickstream data, how would you design a system to identify trending topics in real-time?
  • Explain the concept of eventual consistency and provide an example where it is applicable.
  • Describe a challenging bug you encountered and how you debugged it.
  • How would you design a URL shortening service like bit.ly?
  • What are the trade-offs between microservices and monolithic architectures?
  • Tell me about a time you disagreed with a team member. How did you handle it?
  • How do you ensure the scalability and performance of your code?
  • What is your experience with cloud platforms like AWS, Azure, or GCP?
  • How would you implement a rate limiter for an API?
  • Describe a project you are particularly proud of and your role in it.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Beijing

Interview focus

Deep understanding of distributed systems and cloud computing.Experience with large-scale data processing and analysis.Problem-solving skills in complex, real-world scenarios.

Common questions

  • How would you optimize a distributed caching system for low latency in a high-traffic scenario?
  • Describe a time you had to deal with a major production incident. What was your approach?
  • Discuss the trade-offs between different database sharding strategies.

Tips

  • Be prepared to discuss specific projects where you handled significant scale.
  • Familiarize yourself with Baidu's core technologies and products.
  • Highlight any experience with AI/ML integration in software development.

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.