Tuesday, November 25, 2025

Exponent, ByteByteGo and Codemia Black Friday + Cyber Monday SALE 2025 - 40 to 60% Discount

Hello guys, Black Friday and Cyber Monday is the best time of the year to invest in your career — and if you’re a developer preparing for technical interviews or leveling up your system design and problem-solving skills, this year’s deals are too good to ignore. I’ve personally tried all three platforms — ByteByteGo, Codemia.io, and Exponent — and each offers something unique for developers preparing for FAANG level interviews or aiming to grow into senior or architect-level roles.

The best part? All of them are offering massive Black Friday and Cyber Monday discounts that you won’t find again for the rest of the year. This means, if you always wanted to join ByteByteGo, Codemia.io or Exponent then now is the best time to join them.

They are offering massive and probably biggest discount of the year, anywhere from 40 to 60% discounts on awesome deals for this Black Friday and Cyber Monday period.

Let’s break down why you should join each one and what makes these deals so valuable.

Why You Should Join ByteByteGo, Codemia.io, and Exponent This Black Friday? [50 to 70% OFF]




3 Best Black Friday and Cyber Monday Deals on System Design Resources

Without any further ado, here are the best System Design resources, courses, and platforms you can join this Black Friday and Cyber Monday to prepare for FAANG+ Exams

1. ByteByteGo Lifetime Plan — 50% OFF

If you’ve ever struggled with System Design Interviews, ByteByteGo is the platform you need. Created by Alex Xu, author of the famous System Design Interview book series, it offers in-depth visual explanations, diagrams, and animated guides that make even the most complex design topics easy to understand.

ByteByteGo’s visual learning format is its biggest strength. You’ll find detailed case studies on how systems like YouTube, WhatsApp, or Netflix are designed, along with high-quality illustrations that clarify architecture trade-offs, scalability patterns, and design best practices.

While they are not running any exclusive Black Friday SALE yet, as they may run like last year, their 50% discount offer is still a black Friday level discount you can find on any premium system design and coding interview resource like ByteByteGo.

This Black Friday and Cyber Monday, you can join ByteByteGo for a 50% OFF on Lifetime Plan, which gives you lifetime access to all current and future content — including system design lessons, diagrams, and interview prep videos. If you’re serious about mastering system design, there’s no better deal this season.

Here is the link to get the deal — 50% OFF Lifetime Plan (limited time).



2. Codemia.io Lifetime Plan — 60% OFF

If you’re preparing for coding interviews or looking to strengthen your data structures and algorithms foundation, Codemia.io is an excellent choice. It’s a platform built for developers who want to move from basic problem-solving to mastering real interview questions.

Codemia.io focuses on structured learning paths — covering DSA, system design, and computer science fundamentals in an easy-to-follow format. It includes practice problems, video explanations, and weekly challenges to help you stay consistent.

What sets Codemia.io apart is that it feels like a community-driven course, not just another coding website. You’ll find curated guides, discussion forums, and mock interview challenges that mimic real-world technical interview scenarios.

This Black Friday, Codemia.io is offering a massive 60% OFF Lifetime Plan, giving you lifetime access to all current and future courses. If you’re looking for a one-time investment that prepares you for every stage of your software engineering journey, this is it.

Here is the link to get the deal — 60% OFF Lifetime Plan




3. Exponent Annual Plan Black Friday Deal — 40% OFF

Exponent is one of the best platforms for preparing for FAANG interviews — not just for technical roles but also for product management, data science, and behavioral interviews.

Founded by ex FAANG engineers, it’s trusted by thousands of professionals who’ve landed jobs at companies like Google, Meta, Amazon, and Microsoft.

Exponent’s biggest strength lies in its mock interviews and expert feedback system. You can practice with peers, get personalized feedback, and watch real mock interviews with experienced mentors.

It also has in-depth courses on system design, algorithms, and behavioral interviews that help you prepare holistically for every round.

For Black Friday, Exponent is offering an incredible 70% OFF Annual Plan compared to monthly plan and exclusive 40% Black Friday discount, exclusively for this week.

This gives you access to all courses, video answers, mock interviews, and its private community. If you plan to interview in 2026, this is the perfect time to grab the deal and start early.

Here is the link to get the deal — 70% OFF Annual Plan. (use discount code CYBER40)

Exponent Black Friday and Cyber Monday sale, 40% discount with coupon code CYBER40

Final Thoughts

That’s all about the best Black Friday and Cyber Monday deals on System Design and Coding Interview resources. Whether you’re targeting FAANG interviews, preparing for a senior system design round, or just want to improve your software engineering fundamentals, these three platforms cover everything you need — from coding to communication.

  • ByteByteGo → For mastering System Design (50% OFF)

  • Codemia.io → For leveling up your DSA and coding interview skills (60% OFF)

  • Exponent → For full interview preparation and mock interviews (70% OFF)

Black Friday is the perfect moment to invest in your learning for the upcoming year — and with lifetime and annual discounts this deep, these deals are a no-brainer for any ambitious developer.

If you’re serious about career growth in 2026, start learning now. These platforms helped me (and thousands of others) become better engineers — and I’m confident they’ll do the same for you.

Other System Design and Coding Interview and Resources you may like

All the best for your Amazon and FAANG job hunt journey, if you have any doubts or questions, feel free to ask in the comments.

P. S. — If you just want to do one thing at this moment, join ByteByteGo and start learning software architecture fundamentals and you will thank me later. It’s one of the most comprehensive resource for coding interview now.

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