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SWIGGY · SENIOR SOFTWARE ENGINEER (SDE 3)

Swiggy senior engineer interview

The senior software engineer (SDE 3) level at Swiggy is SDE-III, 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 Swiggy's careers pages, checked November 2026. Processes vary by team. AlgoRung is not affiliated with Swiggy.

Track my Swiggy prep
Swiggy titleSDE-III
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

    A recruiter screen on stack, notice period and motivation.

    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. Coding (DSA) · 60 min

    Live DSA, usually medium problems (intervals, arrays, graphs, BST).

    At Senior Software Engineer (SDE 3): Usually two rounds. Same difficulty, but interviewers expect quick, confident problem solving and production-quality code.

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

    Machine coding / LLD that expects compilable, modular code.

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

  4. System design (HLD) · 60 min

    High-level design, often on delivery and booking problems.

    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.

  5. Hiring manager · 45 min

    Projects, scaling choices and culture fit.

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

What Swiggy interviewers look for

Behavioral rounds are based on the Company values: Be Humble, Always be Curious, Always be Learning, Be Honest, Display Highest Level of Integrity, Consumer Comes First, Display a Founder Mentality, Think Win-Win, Think Big, Stand-up & Disagree but Commit Fully…. Questions for each one.

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

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

Difficulty
Topic
4 questions
  1. Number of Islands Medium Graphs also Amazon, Microsoft, Meta +1
  2. Cheapest Flights Within K Stops Medium Graphs also Google, Airbnb, Flipkart
  3. Asteroid Collision Medium Stack also Flipkart
  4. Two Sum Easy Arrays & Hashing also Amazon, Microsoft, Atlassian

How the coding round is scored · The online assessment

System design at Senior Software Engineer (SDE 3)

LLD / machine coding is the signature round at SDE-I and SDE-II and stresses extensibility and patterns. From SDE-II up, an HLD round is added, typically on real-time delivery or booking systems.

All Swiggy system design questions

Questions people ask

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

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

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

Yes. LLD / machine coding is the signature round at SDE-I and SDE-II and stresses extensibility and patterns. From SDE-II up, an HLD round is added, typically on real-time delivery or booking systems.

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

The same question pool is used across levels; the bar rises with level. Most reported: Number of Islands, Cheapest Flights Within K Stops, Asteroid Collision, Two Sum.

What does Swiggy 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