1:1 calls, interview prep & career guidance with Sandeep Pal.
Web, mobile, ecommerce & growth — end-to-end for your business.
Public developer portfolio with certs & learning badges.
Formatters, converters, SEO checkers & more — no install.
Insights, tutorials, and career tips from the engineering community
Imagine you're using Uber. You request a ride. Within seconds, your request reaches an available driver near you. But here's the interesting question. How did Uber know which driver service to contact?
Imagine you're scrolling through your Instagram feed. You like a post. Your friend refreshes their phone immediately. For a few seconds... they still don't see your like. Did the system lose your data? No.
Imagine you're transferring ₹10,000 from your bank account to your friend's account. The process looks simple. Your account balance decreases. Your friend's balance increases. Now imagine something goes wrong halfway through. Your account is debited. But your friend's account is never credited because the database crashed. The money disappears.
Make your EF Core and ADO.NET apps faster with the right indexes, readable execution plans, and habits that stop N+1 queries before they reach production.
Learn how to approach system design interviews and real architecture decisions as a .NET backend engineer: APIs, data, caching, messaging, and trade-offs hiring managers expect you to articulate.
Records, primary constructors, minimal hosting, Native AOT considerations, and collection expressions—practical .NET 8 features you will actually write, not release-note trivia.
Stop guessing why your EF Core queries are slow. Learn tracking behavior, projections, splitting, compiled queries, and patterns teams use in production SQL Server apps.
Angular plus Node and MongoDB powers enterprise teams worldwide. Here is how to learn the MEAN stack, where the jobs are, and how it compares to MERN for your career.
care@toolliyo.com