Is HireStepX free to use?

Yes. Start with 2 full AI mock interviews, complete with real-time feedback, scores, and detailed performance reports. No credit card required.

How does the AI mock interview work?

Upload your resume, pick your target company and role, and choose from 10 interview types. The AI interviewer asks role-specific questions via voice, listens to your answers, asks follow-up questions, and delivers scored feedback after each session.

What types of interviews can I practice?

10 types: Behavioral, Technical, Strategic, Case Study, Campus Placement, HR Round, Panel, Management, Salary Negotiation, and Government/PSU. Each with 3 difficulty levels and mini or full session options.

Can I practice for specific companies like TCS, Infosys, or Google?

Yes. We support 200+ target companies including Google, Amazon, TCS, Infosys, Flipkart, Razorpay, McKinsey, Deloitte, and more, each with distinct interview patterns.

How is this different from ChatGPT or practicing with friends?

ChatGPT is text-only with no voice, no scoring, no resume integration, and no progress tracking. HireStepX is a purpose-built interview simulator: voice-based, resume-personalized, with detailed analytics.

Is my interview data private and secure?

Yes. Data is encrypted via Supabase with row-level security. Recordings and transcripts are never shared with employers or third parties. Delete everything anytime from Settings.

Does HireStepX work on mobile?

Yes, on any modern browser. For the best experience during mock interviews, use a laptop or desktop with a microphone.

How much does it cost compared to a career coach?

A single coaching session typically costs ₹3,000-10,000. HireStepX is ₹9 per session or ₹39/month for 5 sessions (Sprint Pack) with full AI coaching and analytics, available 24/7.

What is the recruitment process at Exotel?

The typical Exotel recruitment process has 4 stages: Recruiter screen: background and interest in the telephony domain → Online or technical coding round: DSA at medium difficulty → System design round: call routing, IVR engine, or telephony reliability → Hiring manager and behavioral round: ownership and reliability mindset.

What are the interview rounds at Exotel?

Exotel typically conducts 4 interview rounds: Recruiter Screen (30 min): Background, telephony-domain interest, and team fit.; Technical Round (60 min): DSA at medium difficulty with follow-ups on complexity and concurrency.; System Design (60 min): Design a call-routing system, IVR flow engine, or a carrier-failover strategy using SIP and WebRTC concepts.; Hiring Manager Round (45 min): Ownership, carrier-grade reliability mindset, and interest in the contact-centre roadmap..

What framework should I use for Exotel technical interviews?

HireStepX recommends the Telephony system design framework for this type of interview: SIP signalling, media path, call state machine, IVR flow engine, failover across carriers.

Do I need telecom experience to interview at Exotel?

It is not strictly required, but understanding SIP, WebRTC, and IVR concepts is a strong advantage because their product is cloud telephony. Candidates who can reason about call state, media paths, and carrier failover stand out.

What languages does Exotel use?

The backend is primarily Go and Python with a React frontend. Coding rounds typically allow your strongest language, but comfort with concurrency and real-time systems helps given the call-handling domain.

How does the Ameyo merger affect Exotel interviews?

Exotel merged with Ameyo in 2022 and product consolidation continues, so teams span cloud telephony and CCaaS. Interviewers value adaptability and interest in the broader contact-centre roadmap.

← All companies·Exotel·Technical

Exotel Software Engineer Interview Questions India 2026

Exotel is a Bengaluru cloud-telephony and contact-centre platform, so interviews reward voice and telecom depth that generic SWE prep misses.

Practice with AI voice feedback 12 questions · Technical · 2 sessions free

About Exotel

Exotel is a Bengaluru cloud telephony and customer engagement platform providing virtual numbers, IVR, auto-dialer, and contact centre APIs for enterprises.

Products: Exotel Virtual Number · Exotel IVR + Call Flow builder · Exotel SmartConnect (AI call routing) · Exotel Contact Centre (cloud CCaaS) · Exotel Ameyo (merged 2022 — CCaaS)
Competitors: Ozonetel · Knowlarity (Unify) · NICE inContact · Five9
Scale: ~600 employees. Bengaluru HQ. Raised $100M+. 6,000+ enterprise clients. Merged with Ameyo (2022).

Exotel recruitment process

01
Recruiter screen: background and interest in the telephony domain
02
Online or technical coding round: DSA at medium difficulty
03
System design round: call routing, IVR engine, or telephony reliability
04
Hiring manager and behavioral round: ownership and reliability mindset

What to expect in each round

01
Recruiter Screen (30 min)
Background, telephony-domain interest, and team fit.
02
Technical Round (60 min)
DSA at medium difficulty with follow-ups on complexity and concurrency.
03
System Design (60 min)
Design a call-routing system, IVR flow engine, or a carrier-failover strategy using SIP and WebRTC concepts.
04
Hiring Manager Round (45 min)
Ownership, carrier-grade reliability mindset, and interest in the contact-centre roadmap.

Technical questions Exotel asked

Sourced from 2+ candidate post-mortems. Hit Practice to answer any one with AI voice feedback.

01
Medium
Reverse a linked list in O(1) extra space. Then explain when you'd use this in production.
Practice free →
02
Easy
What is the difference between a class and an object? Give an example.
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03
Easy
Write a SQL query to find the second-highest salary in a department.
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04
Easy
What is normalisation in databases? When would you de-normalise?
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05
Easy
What's the difference between a stack and a queue? Give a real-world use case for each.
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06
Hard
Given a stream of integers, design a data structure that returns the median in O(log n).
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07
Medium
You have a service that's slow only on Tuesdays. Walk me through how you'd debug.
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08
Hard
Here's 200 lines of payment-processing code with several intentional bugs. Find them and explain the production impact of each.
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09
Medium
Explain webhooks vs. polling for a developer who has never built a payment integration. You have 4 sentences.
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10
Hard
Walk me through Razorpay's fraud-detection model. How would you reduce false positives without increasing chargeback losses?
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11
Medium
We see UPI failure rates spike at 9pm on weekends. How would you debug and what's your hypothesis?
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12
Easy
What's 54% of 110? You have 10 seconds.
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Answer framework

Telephony system design

SIP signalling, media path, call state machine, IVR flow engine, failover across carriers.

Interview rounds4

DifficultyEasy

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