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Reusable stack groupings that help one drill appear in more than one career path.
API authentication, JWTs, refresh tokens, authorization policies, resource ownership, tenant boundaries, rate limits, CORS, CSRF, secrets, and safe errors.
Hands-on ASP.NET Core integration testing, reliability verification, observability, incident reproduction, and regression exercises.
Hands-on ASP.NET Core endpoint contracts, reliable writes, authorization, files, background work, integrations, and production controls.
Azure incident diagnosis, App Service failures, identity and configuration incidents, observability gaps, Azure SQL problems, and queue-backed worker recovery for .NET systems.
Azure App Service, managed identity, Key Vault, Azure SQL, Application Insights, deployment slots, and background processing for .NET services.
Backend API design, reliability, data boundaries, and operational trade-offs.
Engineering behavioral interview preparation grounded in real project ownership, collaboration, delivery, and production judgment.
CI/CD, Git workflows, deployment, release management, observability, and production operations.
Practical C# coding problems for backend and full-stack interviews.
SQL querying, relational modeling, indexes, performance tuning, transactions, locking, and production database behavior.
Distributed caching, Redis, cache-aside, invalidation, sessions, stampedes, locks, rate limits, and production cache operations.
Hands-on EF Core query, update, transaction, reliability, and debugging exercises for .NET interviews.
Product-focused full-stack feature implementation with React or Next.js and ASP.NET Core APIs.
Queue-backed workers, publish-subscribe events, reliability, idempotency, dead letters, ordering, streaming, and messaging operations.
ASP.NET Core APIs, backend data access, security, production debugging, and service design.
Async, tasks, synchronization, cancellation, thread pool behavior, and parallel workloads in .NET.
C#, ASP.NET Core, data access, frontend integration, deployment, and production behavior.
Garbage collection, object lifetime, allocation performance, memory leaks, and production diagnostics for .NET services.
Logs, metrics, traces, correlation IDs, Application Insights, OpenTelemetry, incident triage, alerting, runbooks, and production debugging workflows.
React and Next.js frontend fundamentals for full-stack product engineers.
Hands-on React and Next.js implementation, accessibility, data-state, testing, and debugging exercises.
Hands-on SQL query problems for backend and full-stack technical interviews.
Testing strategy, xUnit design, ASP.NET Core integration, database fidelity, contracts, flaky tests, and reliable suites.