Browser DevTools Mastery: Performance, Memory, and Network Profiling
2 min read Senior frontend engineers spend more time in DevTools than in their IDE. Yet most engineers use 5% of the available […] Read article
Frontend Engineering
Frontend Engineering
Build Real-Time Collaborative Cursors: Figma-Style Presence
2 min read Live cursors — those tiny avatars showing where other people are clicking — became table stakes for collaborative apps after Read article
Frontend Engineering
WebSocket vs SSE vs Long Polling: Real-Time Frontend Choices
2 min read Choosing the right real-time mechanism is a frontend system design question that comes up routinely in senior interviews. WebSocket is Read article
Frontend Engineering
Frontend Internationalization: i18n, RTL, and Locale-Aware UI
3 min read Internationalization (i18n) is one of those frontend areas where the surface looks simple (“just translate the strings”) but the depth Read article
Mobile System Design, System Design
Design a Mobile Voice Assistant: Wake Word and On-Device ASR
2 min read Voice assistants (Siri, Google Assistant, Alexa) are deceptively complex mobile system design topics. Always-listening for a wake word, on-device automatic Read article
Mobile System Design, System Design
Design a Mobile Loyalty App: Starbucks-Style Rewards
2 min read Mobile loyalty apps (Starbucks, Chipotle, Dunkin) are unusually rich mobile system design topics. They combine payment processing, loyalty points, mobile Read article
Mobile System Design, System Design
Design Mobile Crash Reporting and Telemetry
2 min read Crash reporting (Crashlytics, Sentry, Bugsnag) is a system design topic that touches mobile SDK design, server-side processing of millions of Read article
Mobile System Design, System Design
Design a Mobile Driver App: Uber Driver Style
2 min read The Uber driver app is a different beast from the rider app. It runs all day, must survive on cellular, Read article
Mobile System Design, System Design
Design Mobile Deep Linking and Universal Links
3 min read Deep linking — the ability to open a specific screen in your app from a URL — is fundamental to Read article
Mobile System Design, System Design
Design Mobile App Onboarding: Permissions, Login, First-Run
2 min read Onboarding is one of the highest-leverage UI flows. Every percentage point of drop-off is real users who never become customers. Read article
Returnship & Late-Career
Returning to Tech After a Failed Startup
3 min read Founding a startup is often pitched as a one-way door, but in practice it is two-way: many founders return to Read article
Returnship & Late-Career
PhD to Industry: Engineering and Research Roles
2 min read The PhD-to-industry transition is well-trodden but not always smooth. Some PhDs land high-comp research roles at frontier AI labs; others Read article
Returnship & Late-Career
Late-Career Tech: Government and Public-Sector Roles
2 min read For late-career engineers tired of the venture-funded grind, government and public-sector tech offers a different path. The work matters in Read article
Returnship & Late-Career
Veteran-to-Tech Career Transition: A Realistic Guide
3 min read The US military produces a lot of disciplined, technical, mission-driven people who would thrive in tech. But the transition is Read article
Returnship & Late-Career
International Engineers Returning to US Tech: Visa, Resume, and Re-Entry
3 min read Many engineers spend part of their career outside the US — by choice, by family, by geography. Returning to a Read article