Scale Engineer

Software Engineer

Software EngineerSWE IIMedium to Hard

The Software Engineer II interview at Moloco is designed to assess a candidate's technical proficiency, problem-solving abilities, and cultural fit within the company. It typically involves multiple rounds, including technical assessments, system design, and behavioral interviews, to evaluate a candidate's suitability for contributing to Moloco's innovative projects.

Rounds·4

Timeline·~7d

Experience·2 - 5 yrs

Comp band·US$130000 - US$180000

Interview time·195 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structures knowledge
  • Coding proficiency
  • System design capabilities
  • Scalability and performance considerations
  • Communication skills
  • Teamwork and collaboration
  • Cultural fit

Preparation

How to prepare.

Tips

  1. Review fundamental data structures and algorithms.
  2. Practice coding problems on platforms like LeetCode, HackerRank, or AlgoExpert.
  3. Study system design concepts and common architectural patterns.
  4. Prepare to discuss your past projects and technical challenges in detail.
  5. Research Moloco's mission, values, and products.
  6. Practice behavioral questions using the STAR method (Situation, Task, Action, Result).

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 5-10 problems per topic.

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 in your preferred language. Aim for at least 5-10 problems per data structure/algorithm type.

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a system to store and retrieve user profiles.
  • How would you handle a sudden spike in traffic to your application?
  • Describe a time you disagreed with a teammate. How did you resolve it?
  • What are the differences between processes and threads?
  • Explain the concept of RESTful APIs.
  • How do you ensure the security of your applications?
  • What are your strengths and weaknesses as a software engineer?
  • Design a rate limiter for an API.
  • Tell me about a project you are particularly proud of.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

USA

Interview focus

Deep understanding of distributed systems principles.Ability to design scalable and reliable systems.Proficiency in cloud technologies (AWS, GCP, Azure).Strong coding skills in at least one major programming language (e.g., Python, Java, Go).

Common questions

  • How would you design a URL shortener service?
  • Explain the CAP theorem and its implications.
  • Describe a challenging technical problem you solved and how you approached it.
  • What are the trade-offs between SQL and NoSQL databases?
  • How do you handle concurrency in your applications?

Tips

  • Familiarize yourself with common distributed system design patterns.
  • Practice explaining your thought process clearly and concisely.
  • Be prepared to discuss your experience with large-scale systems.
  • Research Moloco's tech stack and recent projects.

Rounds

Round-by-round.

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

DSA

Coding questions at Moloco.

Frequently reported on Moloco loops

View all at Moloco

Other guides

More at Moloco.