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Every course systematically covers Beginner, Intermediate, Advanced, and Pro Level concepts across 31 technologies · 982 lessons. Free preview lessons are open to everyone below.
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40 comprehensive lessons: Big-O, Sliding Window, Monotonic Stacks, BSTs, Heaps, Graph BFS/DFS/Dijkstra, Segment Trees, Dynamic Programming & Top 15 Coding Interview Patterns.
Master enterprise Java 25 LTS: virtual threads, pattern matching, memory management, garbage collection tuning, and high-concurrency microservices.
Build production-grade microservices with Spring Boot 4.1, Spring Security, Spring Data JPA, reactive WebFlux, and distributed tracing.
Enterprise Maven build automation, multi-module project structures, dependency management, plugin development, and CI/CD integration.
Advanced PostgreSQL query optimization, B-tree/BRIN indexing, MVCC concurrency, partitioning, replication, and JSONB performance.
High-throughput MongoDB 8.0: aggregation pipelines, sharding strategy, replica sets, index optimization, and transactional modeling.
Containerization mastery: multi-stage builds, rootless execution, distroless security, overlay networking, and production docker-compose topologies.
Modern React 19.2: Server Components, Actions, useOptimistic, custom hooks architecture, Concurrent Mode, and state management patterns.
Enterprise Angular 22: Signals reactivity, deferrable views, standalone architecture, RxJS stream composition, and OnPush performance.
Next.js 16.2 App Router: Server Actions, PPR (Partial Pre-rendering), ISR caching, middleware security, and edge deployments.
High-performance Node.js 24 LTS: event loop mechanics, worker threads, stream pipelines, native test runner, and memory profiling.
Production Express 5.2 backend engineering: async error handling, security middleware, rate limiting, JWT/OAuth2 flows, and API design.
Enterprise NestJS 11.1: dependency injection, custom decorators, microservices transport (gRPC/NATS), interceptors, and CQRS.
Advanced TypeScript 6.0: conditional types, mapped types, template literal types, type-safe APIs, infer keyword, and AST transformers.
Pro Git workflows: interactive rebase, cherry-picking, bisecting bugs, reflog recovery, branch protection rules, and GitHub Actions automation.
Modern JS ES2026: async/await mechanics, prototypes & closures, Proxy/Reflect, memory management, garbage collection, and Event Loop internals.
Pro HTML5 & CSS3: semantic accessibility (a11y), CSS Subgrid, Container Queries, modern layout math, View Transitions, and design tokens.
Production Kubernetes 1.36: Pod scheduling, deployments, ingress controllers, RBAC security, Helm charts, HPA, and Service Mesh architecture.
Enterprise CI/CD pipelines: automated testing workflows, matrix builds, deployment gates, secret management, Docker image publishing, and rollback strategies.
Linux system administration: process scheduling, systemd services, pipe streams, sed/awk text processing, shell automation, and network diagnostics.
Cloud architecture mastery: serverless compute, IAM security, VPC networking, object storage resiliency, cost optimization, and multi-region failover.
High-performance Redis 8.8: in-memory data structures, pub/sub messaging, cluster sharding, distributed locking (Redlock), and cache invalidation strategies.
Production GraphQL: schema design, N+1 problem optimization with DataLoaders, subscriptions, schema federation, and security rate-limiting.
Distributed System Design: scalability patterns, microservices architecture, load balancing, CAP theorem tradeoffs, database sharding, and fault tolerance.
Web Security & Penetration Defense: OWASP Top 10 mitigation, CSRF/XSS defense, Content Security Policy (CSP), CORS, OAuth2/OIDC, and cryptography fundamentals.
Test-Driven Development (TDD): unit testing, integration tests, E2E automation with Playwright/Cypress, mocking strategies, and code coverage metrics.
Advanced Python 3.13: GIL free-threading, type hinting, generators & decorators, memory management, asyncio concurrency, and OOP design.
Generative AI & Agent Architecture: LLMs, Transformer attention mechanisms, RAG (Retrieval-Augmented Generation), vector databases, and multi-agent orchestration.
High-throughput FastAPI 0.115: Pydantic v2 validation, async database ORM (SQLAlchemy 2), background tasks, dependency injection, and OpenAPI specs.
Enterprise Django 5.2 LTS: ORM query optimization, async views, custom middleware, admin customization, REST framework APIs, and security hardening.
Data Structures & Algorithms Pro: Big-O analysis, sliding window, monotonic stack, BSTs, heaps, graph BFS/DFS/Dijkstra, segment trees, and dynamic programming.
Senior Developer Blueprint: deep work focus, reading habits, RFC technical writing, incident resilience, code review leadership, and career growth.