Beginner
Full Stack Cohort 3.0
From zero to hundred. The only course you need to crack remote jobs and FAANG. Covers MERN, DevOps, and System Design in extreme depth.
MERNDevOpsSystem Design
New Cohort 3.0 — Applications Close May 31
Don't just write code — build resilient systems.
Learn to design fault-tolerant services, optimize latency, and operate real production systems. Hands-on projects, mentor reviews, and hiring support — a curriculum built for impact.
100xDevs
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React
Express
AWS
Recent
Build authentication2m
Debug payment flow15m
Optimize queries1h
100xDevs
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Courses we actually offer.
No fluff. No "Hello World" tutorials. Real engineering for scalable systems.
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Advanced
Web3 & Blockchain
Understand the primitives. Build your own DEX, Wallet, and NFT marketplace from scratch using Rust and Solana.
SolanaRustEthereum
Intermediate
DevOps Masterclass
Stop deploying manually. Learn Kubernetes, Docker, CI/CD pipelines, and Terraform to scale applications like a pro.
AWSK8sTerraform
Why 100xDevs?
Most bootcamps teach you syntax. We teach you engineering.
Prepare for a career, not just a job interview.
Why Join 100xDevs?
Transform your career with industry-leading curriculum and real-world experience
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Community
+ more features inside — tap to expand
Meet Your Instructors
Learn from industry experts with real-world experience.
Harkirat Singh
Founder & Lead Instructor
Ex-Amazon engineer teaching modern web development and system design.
Full-StackDevOps
Backend Architecture
Distributed systems with async patterns.
API
AUTH
DATA
QUEUE
CACHE
DB
WORKER
Live Mentorship
Weekly live Q&As with Harkirat.
LIVE
2x
per week
Modern Stack
NextJS, Docker, Kafka, Solana.
Contribution
Merge code into production.
100xDevs
Open Source
Stars
12k+
PRs
25+
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Don't trust us.
Trust the GitHub commits. Trust the Offer Letters. Trust the Community.
A
Aditya R.
@adityar.68I thought I knew React. Then I took this course. The depth is insane. We built a custom reconciler in week 3. 🤯 #100xDevs
8:53 PM · Nov 24, 2025 · 12.4K Views
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Sarah K.
@sarahk.10Harkirat breaks down complex distributed systems concepts like no one else. Finally understand Kafka and gRPC properly. 🚀
8:53 PM · Nov 24, 2025 · 12.4K Views
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Rahul M.
@rahulm.23Got my first remote job paying $40k/yr after Cohort 1. Best investment ever. ROI is literally 100x. 💸
8:53 PM · Nov 24, 2025 · 12.4K Views
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Aditya R.
@adityar.78I thought I knew React. Then I took this course. The depth is insane. We built a custom reconciler in week 3. 🤯 #100xDevs
8:53 PM · Nov 24, 2025 · 12.4K Views
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Sarah K.
@sarahk.80Harkirat breaks down complex distributed systems concepts like no one else. Finally understand Kafka and gRPC properly. 🚀
8:53 PM · Nov 24, 2025 · 12.4K Views
49
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Rahul M.
@rahulm.52Got my first remote job paying $40k/yr after Cohort 1. Best investment ever. ROI is literally 100x. 💸
8:53 PM · Nov 24, 2025 · 12.4K Views
27
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Aditya R.
@adityar.91I thought I knew React. Then I took this course. The depth is insane. We built a custom reconciler in week 3. 🤯 #100xDevs
8:53 PM · Nov 24, 2025 · 12.4K Views
10
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Sarah K.
@sarahk.27Harkirat breaks down complex distributed systems concepts like no one else. Finally understand Kafka and gRPC properly. 🚀
8:53 PM · Nov 24, 2025 · 12.4K Views
10
15
103
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Rahul M.
@rahulm.36Got my first remote job paying $40k/yr after Cohort 1. Best investment ever. ROI is literally 100x. 💸
8:53 PM · Nov 24, 2025 · 12.4K Views
31
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