systems-computing
Understand computer systems from digital logic through operating systems, networks, databases, and distributed systems.
emerging-tech
Emerging technologies (prompt engineering, AI agents, red teaming) and leadership roles (product manager, engineering manager, DevRel).
languages-frameworks
Expert guidance on 9 programming languages and 10+ frameworks. Compare, select, and master language ecosystems.
mobile-development
iOS (Swift, SwiftUI), Android (Kotlin, Compose), cross-platform (Flutter, React Native), and game development (Unity, Unreal).
data-warehousing
Master dimensional data modeling including star schema design, slowly changing dimensions, fact tables, and data warehouse architecture
power-bi
Master Power BI development including DAX formulas, Power Query M, data modeling, and report optimization
report-automation
Master enterprise reporting automation including scheduling, distribution, templates, governance, and monitoring
sql-analytics
Master analytical SQL including window functions, CTEs, aggregations, and query optimization for BI workloads
rag-systems
Retrieval Augmented Generation systems with vector search, document processing, and hybrid retrieval.
rag-systems
Build RAG systems - embeddings, vector stores, chunking, and retrieval optimization
automation
Production-grade test automation skill covering Selenium, Cypress, Playwright, Appium with POM architecture, retry logic, and CI/CD integration
test-strategy
Production-grade test strategy skill with risk-based testing, coverage analysis, quality gates, and resource optimization
aspnet-core-advanced
Master advanced ASP.NET Core development including Entity Framework Core, authentication, testing, and enterprise patterns for production applications.
aspnet-core-devops
Master ASP.NET Core deployment, Docker, Azure cloud, CI/CD pipelines, and production infrastructure for enterprise applications.
aspnet-core-fundamentals
Master ASP.NET Core fundamentals including C#, project structure, routing, middleware, and basic API development. Essential skills for all ASP.NET Core developers.
defi-protocols
Master DeFi protocol development including AMMs, lending, yield, and oracles
ethereum-development
Master Ethereum development including EVM, gas optimization, and client interactions
java-spring-boot
Build production Spring Boot applications - REST APIs, Security, Data, Actuator
java-testing
Test Java applications - JUnit 5, Mockito, integration testing, TDD patterns
java-testing-advanced
Advanced testing - Testcontainers, contract testing, mutation testing, property-based
java-fundamentals
Master core Java programming - syntax, OOP, collections, streams, and exception handling
java-gradle
Master Gradle - Kotlin DSL, task configuration, build optimization, caching
java-jpa-hibernate
Master JPA/Hibernate - entity design, queries, transactions, performance optimization
java-maven-gradle
Master Maven and Gradle - build configuration, dependencies, plugins, CI/CD
java-maven
Master Apache Maven - POM configuration, plugins, lifecycle, dependency management
java-microservices
Build microservices - Spring Cloud, service mesh, event-driven, resilience patterns
java-performance
JVM performance tuning - GC optimization, profiling, memory analysis, benchmarking
game-engines
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bi-fundamentals
BI fundamentals with metric definition, KPI calculation, dimensional modeling, dashboard optimization, and data storytelling. 40+ metric examples and calculation patterns.
data-analysis-sql
SQL for data analysis with exploratory analysis, advanced aggregations, statistical functions, outlier detection, and business insights. 50+ real-world analytics queries.
data-warehouse
Data warehouse design mastery with star schema, dimensional modeling, fact/dimension tables, slowly changing dimensions, and enterprise best practices. Complete schema examples included.
migrations
Database schema migrations and version control
swift-concurrency
Master Swift concurrency - async/await, actors, structured concurrency, Sendable, TaskGroups
swift-core-data
Persist data with Core Data - models, contexts, fetch requests, migrations, SwiftData
swift-fundamentals
Master Swift programming fundamentals - syntax, types, optionals, protocols, error handling
swift-ios-basics
Build iOS applications - project setup, app lifecycle, Info.plist, capabilities
swift-macos
Build macOS applications - AppKit, windows, menus, system integration, distribution
swift-networking
Handle networking in Swift - URLSession, async/await, Codable, API clients, error handling
swift-spm
Master Swift Package Manager - dependencies, creating libraries, publishing, local packages
swift-uikit
Master UIKit for iOS app development - views, view controllers, Auto Layout, table/collection views
daw-music
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game-design-theory
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asset-optimization
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audio-systems
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ci-cd-automation
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analytics-metrics-kpi
Master metrics definition, KPI tracking, dashboarding, A/B testing, and data-driven decision making. Use data to guide product decisions.
competitive-analysis
Competitive intelligence, market analysis, and strategic positioning for product differentiation.
leadership-stakeholder-management
Master stakeholder management, executive communication, cross-functional alignment, and product advocacy. Lead effectively across your organization.
pricing
Product pricing strategies, monetization models, and revenue optimization for SaaS and digital products.
requirements-specification
Master requirements gathering, user story writing, acceptance criteria definition, and scope management. Transform insights into clear, actionable specifications.
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