Shadowfax Software Engineer Interview Questions India 2026

Shadowfax technical interview FAQ

01What is the recruitment process at Shadowfax?

The typical Shadowfax recruitment process has 5 stages: Apply on Shadowfax careers page or through LinkedIn and AngelList → Recruiter introductory call (10 to 15 minutes) → Online coding assessment (60 minutes, 2 problems) → Technical interview rounds via Google Meet or Zoom → HR round and offer letter.

02What are the interview rounds at Shadowfax?

Shadowfax typically conducts 4 interview rounds: Round 1 - Online Coding (60 min): Two medium DSA problems, often involving arrays, queues, or graph shortest-path. Platform is HackerRank or Codility.; Round 2 - Technical Interview (45 to 60 min): Backend concepts including API design, database normalisation, caching, and one geolocation or dispatch problem.; Round 3 - System Design (45 min, senior roles): Design a real-time driver dispatch system or a delivery ETA computation engine under India-scale load.; Round 4 - HR and Offer (20 to 30 min): Expectations, compensation, and joining timeline discussion..

03What framework should I use for Shadowfax technical interviews?

HireStepX recommends the CAR framework for this type of interview: Context explains the constraint or system requirement: Action describes your technical approach and alternatives considered: Result shows the measurable outcome

04Reverse a linked list in O(1) extra space. Then explain when you'd use this in production.

To answer this question well, HireStepX recommends the CAR approach: Context explains the constraint or system requirement: Action describes your technical approach and alternatives considered: Result shows the measurable outcome Ground your answer in a specific real example from your own experience.

05What is the difference between a class and an object? Give an example.

To answer this question well, HireStepX recommends the CAR approach: Context explains the constraint or system requirement: Action describes your technical approach and alternatives considered: Result shows the measurable outcome Ground your answer in a specific real example from your own experience.

06Write a SQL query to find the second-highest salary in a department.

To answer this question well, HireStepX recommends the CAR approach: Context explains the constraint or system requirement: Action describes your technical approach and alternatives considered: Result shows the measurable outcome Ground your answer in a specific real example from your own experience.

07What is normalisation in databases? When would you de-normalise?

To answer this question well, HireStepX recommends the CAR approach: Context explains the constraint or system requirement: Action describes your technical approach and alternatives considered: Result shows the measurable outcome Ground your answer in a specific real example from your own experience.

08What's the difference between a stack and a queue? Give a real-world use case for each.

To answer this question well, HireStepX recommends the CAR approach: Context explains the constraint or system requirement: Action describes your technical approach and alternatives considered: Result shows the measurable outcome Ground your answer in a specific real example from your own experience.