Master SQL techniques tailored for marketing analytics. Learn to model event-based data, analyze funnels, perform cohort analysis, implement attribution logic, and evaluate campaign performance using real-world marketing datasets.

A beginner-friendly course introducing Security by Design principles for DevOps learners. Explore foundational security concepts, practical DevOps security patterns, and essential techniques to build secure systems from the ground up.

Master the essentials of simulation and Monte Carlo modeling in Python. Learn to generate random samples, build uncertainty models, estimate risk, and simulate simple financial scenarios using practical code and hands-on exercises.

Explore the mathematical foundations of spectral methods in machine learning. Understand how eigenvalues, eigenvectors, and spectral decompositions underpin dimensionality reduction, graph learning, and kernel methods, with a focus on theory and structure.

Manage application state in React using Zustand. Create and update stores, derive and organize state, handle asynchronous logic, and apply middleware for extended behavior. Structure Zustand stores effectively and evaluate when Zustand is an appropriate state management solution.

Explore the mathematical foundations of machine learning generalization. This course covers empirical risk minimization, bias–variance tradeoff, VC dimension, generalization bounds, and the theory of overfitting, equipping you with rigorous intuition for model selection and evaluation.

TLS and HTTPS Internals is a course for developers, DevOps engineers, and anyone who wants to understand what’s actually happening behind the little lock icon in the browser’s address bar. No academic jargon, no 400-page RFCs, and no boring textbook diagrams. Instead, you’ll see the story of paypa1.com with a green lock, Maria sitting in a café using open HTTP, and DigiNotar collapsing within a month after being hacked. If you’re tired of googling “what is a cipher suite” every time something breaks — this course is for you.

Manage server state in React applications using TanStack Query. Fetch, cache, and synchronize remote data, handle mutations and optimistic updates, and implement advanced query patterns for dynamic data flows. Optimize queries for performance, scalability, and maintainability in production React applications.

Test React applications using Jest and React Testing Library. Write unit and integration tests, validate component behavior through user interactions, and debug test failures effectively.

Build 3D graphics in React applications using Three.js. Create and render 3D scenes, add objects, lighting, and cameras, and implement interactive and animated behaviors. Optimize rendering performance and structure scalable 3D applications for production use.

A comprehensive course for software engineers and SRE/DevOps professionals on understanding, detecting, and mitigating traffic flooding events, and designing resilient systems to withstand such incidents.

A comprehensive, code-free exploration of transformer-based language models, focusing on their architecture, text generation mechanics, and the theoretical principles underlying their behavior.

Master the essentials of Transformer models in Python for natural language processing. Discover how to build, interpret, and apply Transformers to real-world text data, focusing on practical skills and model understanding.

Deepen your understanding of object-oriented programming with TypeScript by working with classes, encapsulation, interfaces, generics, and inheritance. Learn how to structure reusable components, enforce contracts, and design scalable class hierarchies.

AI is no longer optional — it's part of how work gets done in 2026. This course gives you a practical foundation for working with AI tools confidently and responsibly. No coding required. You'll learn how modern AI actually works, how to get useful results from it, what to watch out for, and how to apply it in your specific role — whether you're in marketing, HR, analytics, or development.