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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.

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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 Plivo?

The typical Plivo recruitment process has 4 stages: Recruiter screen: background and interest in the CPaaS domain → Technical coding round: DSA at medium to hard difficulty → System design round: SMS routing, voice API, or carrier failover → Hiring manager and behavioral round: ownership and reliability focus.

What are the interview rounds at Plivo?

Plivo typically conducts 4 interview rounds: Recruiter Screen (30 min): Background, CPaaS-domain interest, and team fit.; Technical Round (60 min): DSA at medium to hard difficulty, often in Go, with complexity and concurrency follow-ups.; System Design (60 min): Design an SMS routing system with least-cost routing, a voice API using SIP trunks, or a carrier-failover strategy.; Hiring Manager Round (45 min): Ownership over a broad surface, reliability, and cost-efficiency mindset..

What framework should I use for Plivo system design interviews?

HireStepX recommends the CPaaS routing design framework for this type of interview: Carrier selection, least-cost routing, delivery receipts, failover, throughput and cost per message.

What language does Plivo interview in?

The backend is Go with Python for data and ML and a React frontend including their PHLO flow builder. Coding rounds usually let you use your strongest language, but Go concurrency knowledge is a plus for backend roles.

What system design topics come up at Plivo?

Expect CPaaS-specific design: carrier and least-cost routing for global SMS, SIP trunks for voice, real-time call control over WebSocket, delivery receipts, and failover when a carrier route degrades.

How does Plivo being bootstrapped change the interview?

Plivo is profitable and VC-free with a leaner team, so engineers own more surface area. Interviewers favor candidates who reason about reliability, cost efficiency, and end-to-end delivery rather than narrow specialization.

← All companies·Plivo·System Design

Plivo Software Engineer Interview Questions India 2026

Plivo is a Bengaluru CPaaS that is bootstrapped and profitable, which is rare among India SaaS peers and means the bar for engineering ownership is high with a smaller team.

Practice with AI voice feedback 12 questions · System Design · 2 sessions free

About Plivo

Plivo is a Bengaluru CPaaS (Communications Platform as a Service) providing SMS, voice, and WhatsApp APIs to businesses. Notably bootstrapped and profitable — rare among India SaaS unicorn peers.

Products: Plivo SMS API · Plivo Voice API · Plivo WhatsApp Business API · PHLO (visual call flow builder) · PowerPack (sender ID rotation)
Competitors: Twilio · Exotel (local) · MSG91 (local) · Gupshup
Scale: ~300 employees. Bengaluru HQ. Bootstrapped — no VC funding. Revenue ~$100M+ (estimated). Profitable.

Plivo recruitment process

01
Recruiter screen: background and interest in the CPaaS domain
02
Technical coding round: DSA at medium to hard difficulty
03
System design round: SMS routing, voice API, or carrier failover
04
Hiring manager and behavioral round: ownership and reliability focus

What to expect in each round

01
Recruiter Screen (30 min)
Background, CPaaS-domain interest, and team fit.
02
Technical Round (60 min)
DSA at medium to hard difficulty, often in Go, with complexity and concurrency follow-ups.
03
System Design (60 min)
Design an SMS routing system with least-cost routing, a voice API using SIP trunks, or a carrier-failover strategy.
04
Hiring Manager Round (45 min)
Ownership over a broad surface, reliability, and cost-efficiency mindset.

System Design questions Plivo asked

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

01
Hard
Design a system to predict same-day delivery feasibility for a new pincode in tier-3 India.
Practice free →
02
Hard
We're seeing UPI failure rates spike at 9pm on weekends. How would you debug, and what's your hypothesis?
Practice free →
03
Hard
Walk me through how you'd build idempotency into a payment retry system. What happens if the network drops mid-callback?
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04
Hard
Design Swiggy Genie's matching algorithm. How does it differ from food-order matching?
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05
Hard
Walk me through how you'd architect transaction-level fraud detection for 100M daily UPI transactions.
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06
Medium
How would you build a recommendation engine that suggests bills the user is about to forget?
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07
Medium
Design a cashback-allocation system that prevents abuse without alienating genuine users.
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08
Hard
Design a system to detect duplicate documents at web scale. What's your approximation strategy?
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09
Hard
Design Amazon Prime's recommendation engine. How would you handle the cold-start for a new Prime member?
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10
Medium
Design a URL shortener like bit.ly. Walk me through database choice and scaling.
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11
Hard
Design Instagram's news feed ranking. How do you handle a celebrity who posts 50 times an hour?
Practice free →
12
Hard
Design Amazon's order tracking notification system. Optimise for cost at 100M orders/day.
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Answer framework

CPaaS routing design

Carrier selection, least-cost routing, delivery receipts, failover, throughput and cost per message.

Interview rounds4

DifficultyHard

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