Software Engineer II

Software EngineerL4Medium to Hard

The Software Engineer II (L4) interview at Upstart is designed to assess a candidate's technical proficiency, problem-solving abilities, and cultural fit. It typically involves multiple rounds focusing on data structures, algorithms, system design, and behavioral aspects. The goal is to identify engineers who can independently contribute to complex projects and mentor junior engineers.

Rounds·4

Timeline·~7d

Experience·3 - 7 yrs

Comp band·US$120000 - US$160000

Interview time·180 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structure knowledge
  • System design capabilities
  • Coding proficiency
  • Communication skills
  • Collaboration and teamwork
  • Cultural alignment

Preparation

How to prepare.

Tips

  1. Review fundamental Computer Science concepts (Data Structures, Algorithms, Operating Systems, Databases).
  2. Practice coding problems focusing on time and space complexity.
  3. Study system design principles and common architectural patterns.
  4. Prepare behavioral examples using the STAR method (Situation, Task, Action, Result).
  5. Research Upstart's mission, values, and products.
  6. Understand the specific technologies mentioned in the job description.
  7. Prepare thoughtful questions to ask the interviewer.

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, Stacks, Queues, Trees, Graphs, Hash Tables) and their common algorithms (Sorting, Searching, Graph Traversal). Practice implementing these from scratch and analyze their time/space complexity. Cover basic dynamic programming problems.

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a URL shortening service like bit.ly.
  • Tell me about a time you disagreed with a teammate. How did you handle it?
  • How would you design a system to recommend movies to users?
  • Explain the difference between a process and a thread.
  • Describe a challenging bug you encountered and how you debugged it.
  • What are the trade-offs between SQL and NoSQL databases?
  • How do you stay updated with new technologies?
  • Tell me about a time you failed. What did you learn?
  • Design a rate limiter for an API.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

San Mateo, CA

Interview focus

Emphasis on practical application of CS fundamentals in real-world scenarios.Understanding of distributed systems and cloud technologies (AWS, GCP).Ability to articulate technical decisions and their impact.

Common questions

  • Describe a time you had to debug a complex production issue. What was your process?
  • How do you approach designing a scalable API for a new feature?
  • Tell me about a project where you had to make significant technical trade-offs.

Tips

  • Be prepared to discuss your experience with specific cloud services relevant to Upstart's stack.
  • Highlight projects where you demonstrated leadership or mentorship.
  • Research Upstart's engineering blog and recent product launches.

Rounds

Round-by-round.

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

DSA

Coding questions at Upstart.

Frequently reported on Upstart loops

Other guides

More at Upstart.