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RAZORPAY · SENIOR SOFTWARE ENGINEER (SDE 3)

Razorpay senior engineer interview

The senior software engineer (SDE 3) level at Razorpay is Senior SDE, for senior engineers with about 5 to 10 years of experience. The rounds at this level, how each one is scored, and the questions to practise first.

From public candidate reports and Razorpay's careers pages, checked November 2026. Processes vary by team. AlgoRung is not affiliated with Razorpay.

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Razorpay titleSenior SDE
ExperienceSenior engineers with about 5 to 10 years of experience
Interviews after screeningAbout 4
System design roundYes

The Senior Software Engineer (SDE 3) rounds, in order

  1. Phone / recruiter screen · 20 min

    An HR screen on stack, experience and compensation.

    At Senior Software Engineer (SDE 3): Often a coding problem plus questions about your past systems; some companies (Uber) use it to set your level.

  2. Low-level design / machine coding · 90 min

    Machine coding: build a working in-memory system that matches the spec exactly, often the first round for lateral hires.

    At Senior Software Engineer (SDE 3): Same as SDE 2 plus concurrency (two users booking the same seat) and a clean extension story.

  3. System design (HLD) · 60 min

    Starts from requirements, then goes deep on scalability, availability and consistency per component.

    At Senior Software Engineer (SDE 3): One or two rounds that set your level. Expected to lead, size the system and go deep on two or three hard parts.

  4. Team-specific round · 60 min

    A one-hour technical deep dive on a single past project.

    At Senior Software Engineer (SDE 3): Project deep dives become central: scope, trade-offs and what you would do differently.

  5. Hiring manager · 60 min

    Projects, ownership, production incidents, and CS fundamentals for junior roles.

    At Senior Software Engineer (SDE 3): Technical leadership, mentoring, and how you choose what to work on.

What Razorpay interviewers look for

Behavioral rounds are based on the Company values: Customer First, Autonomy & ownership, Challenging the status quo, Agility with Integrity, Transparency, Razorpay Grows with Razors. Questions for each one.

Coding questions to practise for Razorpay Senior Software Engineer (SDE 3)

Usually two rounds. Same difficulty, but interviewers expect quick, confident problem solving and production-quality code.

Difficulty
Topic
2 questions
  1. Maximum Profit in Job Scheduling Hard Dynamic Programming also Airbnb
  2. Longest Substring with At Most K Distinct Characters Medium Arrays & Hashing also Microsoft

How the coding round is scored · The online assessment

System design at Senior Software Engineer (SDE 3)

Machine coding is the core filter at every level and grading is strict on matching the spec. SDE-2 and Senior add an HLD round, often on payments-adjacent infrastructure like notifications and schedulers.

All Razorpay system design questions

Questions people ask

How many rounds are in the Razorpay Senior Software Engineer (SDE 3) interview?

About 4 interviews after the screening: phone / recruiter screen, low-level design / machine coding, system design (hld), team-specific round, hiring manager.

Is there a system design round for Razorpay Senior Software Engineer (SDE 3)?

Yes. Machine coding is the core filter at every level and grading is strict on matching the spec. SDE-2 and Senior add an HLD round, often on payments-adjacent infrastructure like notifications and schedulers.

What coding questions does Razorpay ask at Senior Software Engineer (SDE 3)?

The same question pool is used across levels; the bar rises with level. Most reported: Maximum Profit in Job Scheduling, Longest Substring with At Most K Distinct Characters.

What does Razorpay expect in coding rounds at Senior Software Engineer (SDE 3)?

Usually two rounds. Same difficulty, but interviewers expect quick, confident problem solving and production-quality code.

Senior Software Engineer (SDE 3) interviews at other companies

Senior Software Engineer (SDE 3) interview questions across all companies · Behavioral questions