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    Mastering the Android System Design Interview | Udemy Coupon Code

    Tips on how to master your mobile system design interview at FAANG companies – plus 2 extensive mock interviews!

    ⚡ Quick Summary

    • 📚 115 lectures • 11h 25min • Intermediate Level
    • 4.0/5 from 118 reviews • 5.8K students
    • 👨‍🎓 By Stefan Jaindl
    • 💰 Price: €12.99 • 30-day guarantee

    ⚠️ Coupon Expired

    The coupon code C257D76CCEC1C16851BA is no longer active.

    Current price: €12.99 • Check back regularly for new coupons!

    ✍️ By Course Review Team 📅 🕑 4 min read
    Master the Android System Design Interview | Udemy 2026

    📊 Course Details

    Source: Udemy • Verified: 2026-04-19
    💰 Price€12.99
    🎫 CouponNone available
    ⭐ Rating4.0/5 (118 reviews)
    👥 Students5.8K
    📚 Lectures115
    ⏲ Duration11h 25min
    🌐 LanguageEnglish (UK)
    📈 LevelIntermediate Level
    📁 CategoryDevelopment › Mobile Development
    📅 Updated

    🎯 Who Is This Course For?

    ✔ Ideal For

    • Those with basic Development knowledge
    • Anyone wanting to learn practice solving real-world mobile system design interview q

    ❌ Not Ideal For

    • Those who don't understand English (UK)
    • Those seeking accredited academic degrees

    🎯 What You'll Learn

    Practice solving real-world mobile system design interview questions
    Understand the mobile system design interview process
    Get to know useful tips and tricks during the interview

    📄 Full Course Description

    Prepare for and master your mobile system design interview at any big tech or FAANG company, whether it be Google or Apple. Get a detailed walkthrough of several important topics asked in these interviews, and tips and tricks from a Google Developer Agency Tech Lead.

    Stefan started developing Android apps - almost from Android's birth - in 2011, and since then had to design and develop a handful of Android, iOS, and Multiplatform apps. During that time he also walked through system design interviews at FAANG companies by himself and therefore wants to share his experience in this course.

    Mobile technical interviews at big tech companies are quite challenging and the mobile system design part is often the most unclear and demanding. Many learning resources on the Internet cover backend system design, but there are very limited resources available for mobile system design. This course brings light to mobile system design interviews and gets you prepared for landing your dream job at one of the big tech companies. Despite the course being especially targeted at Android, most concepts also apply to iOS.

    About 9 hours of on-demand video content will cover what you need to know for your mobile system design interview:

    • Discussion of most important networking concepts, background work, and failure handling

    • Choosing the right networking protocol/technology among polling, web sockets, server-sent events, REST, gRPC, GraphQL, REST, Push Notifications, and more for a given use case

    • Learn about different pagination techniques for large amounts of data

    • Overview of storage types including the file system, preferences, SQL and NoSQL databases, and secure storage, and learn when to use which

    • Learn how to scale your app and backend for billions of users by taking into account the concepts of connectivity, data cost, device ranges, battery consumption, responsive UI, app startup time, and memory footprints

    • Techniques on how to build an offline-capable app

    • Get advice on the process and timing of mobile system design interviews

    • Interview strategies for structuring your mobile system design interview

    • Two extensive mock interviews with real-world mobile system design interview questions, from requirements definition to high-level and detailed design

    ⚖ Pros & Cons

    👍 Pros

    • 5.8K students enrolled
    • Strong 4.0/5 rating from 118 reviews
    • Comprehensive: 115 lectures covering 11h 25min of content
    • Taught by Stefan Jaindl - Mobile Tech Lead and Instructor at Udemy

    👎 Cons

    • Taught in English (UK) - may need subtitles for non-speakers
    • Pre-recorded format without live instructor interaction
    • Not an accredited academic credential

    👨‍🎓 About the Instructor

    Stefan Jaindl

    Stefan Jaindl

    Mobile Tech Lead and Instructor at Udemy

    ⭐ 4.0 Rating • 👥 5.8K Students

    🎓 How to Enroll

    1️⃣
    Click the enrollment button below
    Visit Udemy for pricing.
    2️⃣
    Create a free Udemy account or log in
    Takes under 1 minute.
    3️⃣
    Start learning immediately
    Access all 115 lectures.

    ❓ Frequently Asked Questions

    What will I learn in Master the Android System Design Interview?
    You will learn: Practice solving real-world mobile system design interview questions, Understand the mobile system design interview process, Get to know useful tips and tricks during the interview.
    Is Master the Android System Design Interview free?
    Currently priced at €12.99. Udemy frequently offers discounts.
    Who teaches Master the Android System Design Interview?
    Stefan Jaindl, Mobile Tech Lead and Instructor at Udemy. The course is rated 4.0/5.
    How long is this course?
    115 lectures with 11h 25min of content. Designed for intermediate level learners.
    Do I get a certificate?
    Yes. Udemy provides a completion certificate you can add to your LinkedIn profile.
    What if I don't like it?
    Udemy offers a 30-day money-back guarantee on all courses, no questions asked.

    🔍 People Also Ask

    Is Udemy a legitimate platform?
    Yes. Udemy serves 70M+ students in 180+ countries with a 30-day refund guarantee.
    Are Udemy certificates recognized?
    They are not accredited degrees but demonstrate professional development. Add them to your LinkedIn profile.
    How long do I have access?
    Per Udemy policy, you get lifetime access including future updates.
    Can I get a refund?
    Yes. Full 30-day guarantee, no questions asked.
    Do Udemy coupons expire?
    Yes. Most have limited redemptions or expiry dates. Enroll immediately when you find one.

    📖 Sources & References

    1. Course data: Master the Android System Design Interview on Udemy
    2. Platform info: About Udemy
    3. Refund policy: Udemy Refund Policy
    4. Rating & enrollment data verified via Udemy source on

    ⚡ TL;DR

    Master the Android System Design Interview is a recommended course with solid ratings from verified learners.

    Backed by Udemy's 30-day money-back guarantee.

    🎓 Enroll Now

    Master the Android System Design Interview

    4.0/5 👥 5.8K 📚 115 lectures ⏲ 11h 25min
    €12.99
    🎓 Enroll Now

    🔒 30-day money-back guarantee
    Secure checkout on Udemy.com

    Affiliate link — we may earn a commission at no cost to you. Disclosure

    ✍️ About the Reviewer

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    🔎 Our Review Methodology

    1. Extract real course data from the Udemy platform
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