Scale Engineer

Software Engineer

Software EngineerL5Medium to Hard

Patreon's Software Engineer L5 interview process is designed to assess a candidate's technical expertise, problem-solving abilities, system design skills, and cultural fit within the company. The process typically involves multiple rounds, including initial screening, technical interviews, a system design round, and a behavioral/managerial interview.

Rounds·3

Timeline·~7d

Experience·5 - 10 yrs

Comp band·US$140000 - US$180000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structures knowledge
  • Code quality and efficiency
  • Debugging abilities

Preparation

How to prepare.

Tips

  1. Review core computer science concepts: data structures, algorithms, operating systems, and databases.
  2. Practice coding problems on platforms like LeetCode, HackerRank, focusing on medium to hard difficulty.
  3. Study system design principles and common architectural patterns (e.g., microservices, load balancing, caching, message queues).
  4. Prepare to discuss your past projects in detail, focusing on your contributions, challenges, and outcomes.
  5. Understand Patreon's mission, values, and products.
  6. Research common behavioral interview questions and prepare STAR method (Situation, Task, Action, Result) answers.
  7. Practice explaining complex technical concepts clearly and concisely.
  8. Be prepared to ask insightful questions about the role, team, and company.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms (Arrays, Lists, Trees, Graphs, Hash Tables, Heaps). Practice 5-7 problems/week.

Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, trees, graphs, hash tables, heaps, and their associated algorithms (sorting, searching, graph traversal). Practice implementing these and analyzing their time and space complexity. Aim for 5-7 problems per week.

Questions

Commonly asked.

  • Given a binary tree, find the lowest common ancestor of two given nodes in the tree.
  • Design a rate limiter for an API.
  • Describe a situation where you had to deal with a difficult stakeholder. How did you handle it?
  • How would you design a system to handle real-time updates for a dashboard displaying millions of data points?
  • What are the trade-offs between using a SQL database and a NoSQL database for a social media platform?
  • Tell me about a time you made a mistake at work. What did you learn from it?
  • How do you approach testing your code?
  • Design a distributed cache system.
  • What are your thoughts on microservices vs. monolith architecture?
  • Describe a challenging bug you encountered and how you debugged it.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

San Francisco, USA

Interview focus

Deep understanding of distributed systems and scalability.Proficiency in cloud-native technologies (AWS, GCP, Azure).Experience with data-intensive applications and databases.Strong problem-solving and debugging skills in a distributed environment.Ability to mentor junior engineers and contribute to technical strategy.

Common questions

  • How would you design a system to handle real-time notifications for millions of users?
  • Describe a complex technical challenge you faced and how you overcame it.
  • Discuss your experience with distributed systems and microservices.
  • How do you approach performance optimization in a large-scale application?
  • What are your thoughts on the latest trends in cloud computing and their application at Patreon?

Tips

  • Familiarize yourself with Patreon's tech stack and infrastructure.
  • Prepare detailed examples of your contributions to large-scale projects.
  • Be ready to discuss trade-offs in system design decisions.
  • Showcase your ability to collaborate and communicate effectively.
  • Research common challenges faced by SaaS platforms like Patreon.

Rounds

Round-by-round.

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

DSA

Coding questions at Patreon.

Frequently reported on Patreon loops

View all at Patreon

Other guides

More at Patreon.