Fundamentals

Software security fundamentals: threats, vulnerabilities, and defenses. Build systems that protect data and users from attacks.

Performance testing fundamentals: load testing, stress testing, and metrics. Build systems that handle real traffic and find bottlenecks before users.

Master web accessibility fundamentals: semantic HTML, keyboard navigation, ARIA, and WCAG testing. Build inclusive interfaces that work for all users.

Learn color and contrast fundamentals: build readable interfaces, ensure accessibility, and create effective visual designs. Understand color theory, contrast ratios, WCAG standards, and color accessibility.

Understanding why software testing matters and how to build confidence in your code. Learn the core principles that separate effective testing from test coverage theater.

Master software product development fundamentals: user research, MVP validation, feature development, iteration, and metrics. Build products that solve real problems.

Learn frontend engineering fundamentals: build working interfaces, write maintainable code, optimize performance, and ensure accessibility.

Learn core data engineering concepts, workflows, and applications. Understand how to transform raw data into reliable, accessible information.

Learn the core concepts, workflow, and practical applications of machine learning from the ground up. Understand how ML transforms data into intelligent predictions.

Understand reliability engineering fundamentals: how to define SLOs and error budgets, design reliable systems, balance reliability with innovation, and make data-driven decisions about system reliability.

Understand incident management fundamentals: how to respond effectively when systems fail, build runbooks that work, create actionable alerts, and prevent incidents before they happen.

Understand monitoring and observability fundamentals: how metrics, logs, and traces work together to help you understand system behavior, debug problems, and make better decisions.

Understand software metrics fundamentals: why they matter, how to pick high-signal, actionable measures, and build lean systems that improve decisions.

Master the core principles that guide effective software design. Learn why design matters, how to recognize good design patterns, and strategies for making design decisions that create maintainable, scalable systems. Essential reading for developers and technical leaders.

Master the core concepts that underpin all technical knowledge. Learn why fundamentals matter, how to identify them, and strategies for building lasting expertise that transcends trends and tools. Essential reading for developers and technical leaders.

Understanding the principles and practices that transform raw data into actionable insights, from collection to interpretation.

Understanding the core principles that separate good software architecture from bad. Learn why architectural decisions matter and how to think systematically about building software systems that actually work.

Understanding the principles and practices that transform raw data into meaningful insights, from descriptive statistics to hypothesis testing and beyond.

Understanding backend engineering: what it is, why it matters, and how backend systems work. Essential explanations for developers who want to understand the server-side of software development.

How to write documentation that developers actually read. Master the core principles of technical writing that make documentation worth reading. Learn how to communicate complex ideas clearly, structure information effectively, and create content that helps people.

Master the universal software concepts every developer needs to learn, from data structures to error handling. Discover the fundamentals that separate coders who build toy projects from those who create production-ready systems.

Master the core concepts of distributed systems that power modern applications. Learn about consistency, fault tolerance, scalability patterns, and architectural principles that separate toy projects from production-ready systems.

Master core software development fundamentals: decision-making, problem-solving, and building systems that work. Essential guide for better developers.

Databases power your apps, store your photos, and process your payments, but do you understand their core concepts? If you work with data, you need to master database fundamentals.

Learn how to calculate and justify software investments using simple Return on Investment (ROI) formulas and real-world examples. No finance degree required.

Learn the core Open Source principles that built the internet, power AI, and run your apps. Essential guide for developers and tech professionals.

Let's learn about software architecture. We'll discover is use cases. Then we'll dive into common architectures, diagrams, and frameworks.

Let's learn how to decompose a problem into smaller subproblems. This is an efficient problem-solving technique used to solve a variety of problems.

Learn Asymptotic Notations to estimate, communicate, and optimize the efficiency and performance of algorithms.

Learn software design patterns for fun and profit! Are you facing a complex problem? Try using a design pattern to save your time and sanity!

Master color theory with our complete guide! Learn color theory basics, fundamentals, and practical applications for design, art, and digital projects.