Scale Engineer

Software Engineer

Software EngineerSenior Software Engineer IMedium to Hard

This interview process is designed to assess candidates for the Senior Software Engineer I role at Harness. It evaluates technical proficiency, problem-solving skills, system design capabilities, and cultural fit within the company.

Rounds·4

Timeline·~7d

Experience·5 - 8 yrs

Comp band·US$140000 - US$180000

Interview time·210 min

Evaluation

What they measure.

  • Technical depth and breadth in relevant technologies.
  • Problem-solving approach and analytical skills.
  • System design and architectural thinking.
  • Communication and collaboration skills.
  • Cultural alignment with Harness values (e.g., innovation, customer focus, collaboration).

Preparation

How to prepare.

Tips

  1. Review core computer science concepts: data structures, algorithms, operating systems, databases.
  2. Deep dive into distributed systems concepts: concurrency, consistency, fault tolerance, CAP theorem.
  3. Understand cloud computing principles and services (AWS, Azure, GCP).
  4. Familiarize yourself with containerization and orchestration (Docker, Kubernetes).
  5. Practice coding problems on platforms like LeetCode, HackerRank, focusing on medium to hard difficulty.
  6. Prepare to discuss your past projects in detail, highlighting your contributions and technical challenges.
  7. Research Harness's products, mission, and values.
  8. Prepare thoughtful questions to ask the interviewers.
  9. Practice behavioral questions using the STAR method (Situation, Task, Action, Result).

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms. Practice 2-3 problems daily.

Weeks 1-2: Focus on Data Structures and Algorithms. Cover arrays, linked lists, trees, graphs, hash maps, heaps, sorting, searching, dynamic programming, and greedy algorithms. Practice implementing these and analyzing their time and space complexity. Aim for 2-3 coding problems per day.

Questions

Commonly asked.

  • Describe a complex system you designed or significantly contributed to. What were the key challenges and how did you overcome them?
  • How would you design a URL shortening service like bit.ly?
  • Tell me about a time you disagreed with a technical decision made by your team or manager. How did you handle it?
  • What are the trade-offs between different caching strategies (e.g., write-through, write-back, cache-aside)?
  • How do you ensure the scalability and reliability of a distributed system?
  • Describe your experience with performance tuning and optimization.
  • How do you approach mentoring junior engineers?
  • What are your thoughts on testing strategies for microservices?
  • Explain the concept of eventual consistency and when it's appropriate to use.
  • How do you stay updated with the latest technologies and trends in software engineering?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

North America

Interview focus

Deep understanding of distributed systems and scalability.Experience with cloud-native technologies (AWS, Kubernetes).Strong problem-solving and debugging skills.Leadership potential and mentoring abilities.Familiarity with modern software development practices.

Common questions

  • How would you design a distributed caching system for a high-traffic e-commerce platform?
  • Describe a challenging bug you encountered and how you debugged it.
  • Tell me about a time you had to mentor a junior engineer. What was your approach?
  • How do you handle production incidents and ensure system reliability?
  • What are your thoughts on microservices vs. monolith architectures?
  • Discuss your experience with CI/CD pipelines and infrastructure as code.

Tips

  • Be prepared to discuss specific examples from your past projects that demonstrate your expertise in distributed systems and scalability.
  • Familiarize yourself with Harness's product offerings and how your skills align with them.
  • Practice explaining complex technical concepts clearly and concisely.
  • Research common challenges faced by SaaS companies and how you would address them.
  • Prepare questions that show your interest in Harness's technology stack and engineering culture.

Rounds

Round-by-round.

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

DSA

Coding questions at Harness.

Frequently reported on Harness loops

View all at Harness

Other guides

More at Harness.