Download Sanket Singh Lambda 4.0 | Ultimate Backend, Cloud & Devops course For Free
The Lambda 4.0 (also referred to as the 2025 version) is the flagship live backend development cohort taught by Sanket Singh, a software engineer at Google, and Riya Bansal, a software engineer at Microsoft. Hosted on the AlgoCamp platform, this six-month course is designed to take students from a beginner level to expert-level backend engineering.
Course Overview & Curriculum
The syllabus transitions to a TypeScript-first approach and covers end-to-end backend architecture, including:
Node.js Internals: Deep dives into the V8 engine (Orinoco, Turbofan, Ignition), Event Loop queues, and how the C++ layer interacts with JavaScript.
Architecture & Patterns: Microservices, MVC architecture, typesafe backends, and SQL database migrations using Saga patterns.
Cloud & DevOps: Scaling applications with AWS Cloud, containerization, and modern deployment strategies.
Advanced Networking: Working with WebSockets, writing HTTP clients, and managing streams.
Hands-On Projects
The cohort focuses on building industry-ready, non-CRUD applications, including: [1, 2]
Video Streaming: A Netflix-like on-demand service and a live streaming application.
Complex Systems: An Airbnb-style hotel booking backend with transactional database capabilities.
Developer Tools: A full-stack Codesandbox clone that runs React on the server and a Leetcode-style backend.
Other Projects: Uber backend, Payment Wallet system, and a Quora clone.
