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| Track | Rated | Weak | Mastery |
|---|---|---|---|
| Networking Fundamentals Foundations | 0/45 | 0% | |
| OS & Concurrency Basics Foundations | 0/43 | 0% | |
| Data Structures & Algorithms for Seniors Foundations | 0/44 | 0% | |
| JavaScript Core Language & Runtime | 0/51 | 0% | |
| TypeScript Language & Runtime | 0/46 | 0% | |
| Node.js Internals Language & Runtime | 0/63 | 0% | |
| Express.js Backend Frameworks & APIs | 0/45 | 0% | |
| NestJS Backend Frameworks & APIs | 0/46 | 0% | |
| API Design Backend Frameworks & APIs | 0/46 | 0% | |
| React Frontend | 0/65 | 0% | |
| State Management & Data Fetching Frontend | 0/45 | 0% | |
| Next.js Frontend | 0/65 | 0% | |
| Browser, Web Performance & Frontend Security Frontend | 0/48 | 0% | |
| SQL & PostgreSQL Data | 0/68 | 0% | |
| Multi-tenancy & Data Isolation Data | 0/45 | 0% | |
| NoSQL & Search (Elasticsearch) Data | 0/48 | 0% | |
| Caching Data | 0/62 | 0% | |
| Messaging & Kafka Distributed Systems & Architecture | 0/64 | 0% | |
| Distributed Systems Concepts Distributed Systems & Architecture | 0/45 | 0% | |
| Monolith → Microservices Distributed Systems & Architecture | 0/47 | 0% | |
| Design Principles & Patterns Distributed Systems & Architecture | 0/47 | 0% | |
| System Design Distributed Systems & Architecture | 0/62 | 0% | |
| Web & API Security Security & Identity | 0/64 | 0% | |
| Authentication, OAuth2, OIDC & Authorization Security & Identity | 0/66 | 0% | |
| AWS for Full-stack Engineers Cloud, DevOps & Operations | 0/64 | 0% | |
| Containers, CI/CD & IaC Cloud, DevOps & Operations | 0/45 | 0% | |
| Observability, Reliability & Incident Response Cloud, DevOps & Operations | 0/45 | 0% | |
| Testing Strategy Cloud, DevOps & Operations | 0/46 | 0% | |
| AI-Assisted Engineering Senior Engineer Skills | 0/54 | 0% | |
| Engineering Practices & Leadership Senior Engineer Skills | 0/45 | 0% | |
| Behavioral Interview (STAR) Senior Engineer Skills | 0/50 | 0% | |
| Project Deep-Dive Senior Engineer Skills | 0/63 | 0% | |
| Scenarios: Performance, Scale & Memory Mock Interview: Production Scenarios | 0/60 | 0% | |
| Scenarios: Pagination, Export & Large Data Mock Interview: Production Scenarios | 0/60 | 0% | |
| Scenarios: File Upload, Download & Streaming Mock Interview: Production Scenarios | 0/58 | 0% | |
| Scenarios: Zero-Downtime Migration & Zero Data Loss Mock Interview: Production Scenarios | 0/57 | 0% | |
| Scenarios: Concurrency, Idempotency & Reliability Mock Interview: Production Scenarios | 0/58 | 0% | |
| Mock: Internal Business Platform on Next.js + Supabase/Vercel Mock Interview: Production Scenarios | 0/50 | 0% | |
| Mock: Shipping & Logistics API Integration (FedEx, UPS, USPS, DHL, EasyPost, Shippo) Mock Interview: Production Scenarios | 0/47 | 0% |