🎯 Frontend Interview Preparation Guide: 15 Years of Experience (Staff/Principal Engineer Level)
Category: general
Difficulty: hard
Target Level: Staff Engineer / Principal Engineer / Senior Architect Duration: Full Interview Loop (4-6 rounds, 4-5 hours total) Interview Focus: System Design, Architecture, Leadership, Technical Depth, Cultural Fit Interview Importance: 🔴 Critical — At 15 years of experience, interviews shift dramatically from coding to architecture, leadership, and strategic thinking. This guide covers what actually gets asked and what companies expect from senior candidates. 1️⃣ What Makes 15-Year Experience Interviews Different? At this level, you're not interviewing for an individual contributor role—you're being evaluated as a technical leader, architect, and multiplier who can influence entire organizations. Here's what changes: Visual Representation: [code example] Real-World Analogy: Think of the progression like building construction: Junior: You lay bricks (write code) Mid: You build rooms (create features) Senior: You design houses (architect products) Staff+: You plan entire cities (design ecosystems, set standards, influence industry) At 15 years, interviewers assume you can code. They're assessing whether you can shape technology strategy, mentor senior engineers, and make decisions that affect thousands of developers....