Starts Nov 16, 2026 · 20 seats
Frontend system design cohort
Design the frontend.
Defend the trade-offs.
System design is the round that decides senior roles at top tech companies, unicorns, and AI startups. In 8–12 live sessions, go from the very basics to designing products like Google Docs and Netflix.
Why this cohort
The round that decides senior offers.
It decides your level
System design is the round that separates mid-level from senior offers at top tech companies, unicorns, and AI startups.
Interview-focused, not theory
Most system design material explains concepts. Very little teaches you to run the round itself: scope it, design it, and defend every trade-off.
Basics to advanced, in order
Start with the fundamentals and finish by designing products like Google Docs and Netflix.
What's covered
From the basics to Google Docs and Netflix.
The cohort runs in two parts across 8–12 live sessions. Part one builds the foundations. Part two applies them to actual interview questions, from core designs to advanced ones.
Part 1 · Frontend system design concepts
Approaching the round
Clarify requirements, scope the problem, and structure the answer: requirements, architecture, data model, API, optimizations.
Component architecture & state
Component boundaries, state ownership, data flow, and when a client store earns its place.
Rendering strategies
CSR, SSR, SSG, streaming, and hydration, and how to choose between them.
Networking & data
REST or GraphQL, pagination, client caching, and real-time updates with polling, SSE, or WebSockets.
Performance
Core Web Vitals, code splitting, lazy loading, list virtualization, and asset optimization.
Accessibility, security & offline
Keyboard and screen-reader support, XSS and CSRF, and offline-first patterns.
Part 2 · Actual interview questions
Design an autocompleteCore
Debouncing, caching results, and keyboard-accessible suggestions.
Design a news feedCore
Infinite scroll, virtualization, and optimistic posting.
Design a chat applicationCore
Real-time delivery, message ordering, and sending while offline.
Design Google DocsAdvanced
Real-time collaboration, conflict resolution with OT or CRDTs, presence, and offline edits.
Design NetflixAdvanced
Adaptive video streaming, browsing a huge catalog fast, prefetching, and smooth playback.
Questions are drawn from real frontend interviews. The final list may change with the batch.
November 16, 2026 batch
Your seat in the cohort.
Frontend system design from the very basics to advanced, interview-ready designs. This batch is capped at 20 learners.
- 8–12 live sessions
- From the basics to advanced designs like Google Docs and Netflix
- Walkthroughs of actual interview questions

Taught by
Santosh Yadav
Software engineer who has worked at Uber, ServiceNow, and PayPal
Cohort admission
Starts November 16, 2026 · 8–12 live sessions
One-time cohort fee
₹14,999
The exact amount is confirmed before the payment window opens.
Checking live seat availability…
Complete payment promptly after checkout opens to confirm your seat. Seats are held briefly during payment.
By booking, you agree to the terms and conditions.
Good to know
Frequently asked questions
Who is this cohort for?
Frontend and full-stack engineers aiming for senior roles at top tech companies, unicorns, and AI startups, where the system design round decides the level.
Do I need system design experience?
No. We start from the very basics and build up to advanced designs. You should be comfortable building web apps with JavaScript.
When does it start, and how long is it?
The cohort starts on November 16, 2026 and runs for 8–12 live sessions. Session timings and joining details are shared with enrolled learners.
How much does it cost?
₹14,999 for learners in India, or $304 (USD) for learners outside India, paid once at checkout.
How many seats are there?
This batch is capped at 20 learners. The booking panel shows how many seats are left.
Not ready for this batch?
Register your interest and we'll tell you when the next batch opens.
Have another question? Email the Mentoxis team.