Insights for the
Modern Engineer
- Coding Patterns
- System Design
- Reporting
- Cold Emailing
AI-Powered Coding Interview Practice: Beyond Flashcards
Flashcards worked in 2018. In 2026, AI mentors adapt to your level, train pattern recognition, and simulate real interviews.
Best LeetCode Alternatives in 2026 (Free & Paid Platforms Ranked)
Burned out on LeetCode? Compare the best LeetCode alternatives in 2026 — ranked by pattern learning, AI feedback, and real interview readiness.
Read articleVanishing Links: I Designed a URL Shortener and the Expiry Logic Was the Hard Part
A URL shortener is a lifecycle problem, not a mapping one. Full system design with expiry logic, three services, and the data layer that ties it all together.
Read articleWork From Home Jobs for Freshers in 2026: Complete Guide
Find legitimate work from home jobs as a fresher. 15 real remote roles, companies hiring, salary expectations, and a step-by-step plan for 2026.
Read articleAI Won't Replace You - But an Engineer Who Uses AI Will
Two engineers, same task. One ships in 2 hours, the other takes a full day. The difference isn't talent - it's leverage. Here's the AI toolkit that creates the gap.
Read articleThe Night Before My Amazon Interview, I Finally Understood BFS vs DFS
11 PM. Interview in 10 hours. Graphs still felt like hieroglyphics. Then a building analogy changed everything.
Read articleBinary Search Beyond Sorted Arrays - The Secret Pattern FAANG Loves to Test
Most people think binary search means sorted array lookup. The 'binary search on answer' pattern is the real FAANG favorite - and most candidates have never heard of it.
Read articleBootcamp to $180K: The Real 24-Month Developer Journey
The first two years after a coding bootcamp are brutal and transformative. Here's the real timeline from graduation to $180K total compensation.
Read articleHow I Cold-Emailed My Way Into 3 FAANG Interviews (With the Exact Templates)
47 cold emails. 3 FAANG interviews. Here are the exact templates, subject lines, and follow-up cadence that worked - and the 44 that didn't.
Read articleDatabase Sharding - The Story of How Instagram Scaled Past 2 Billion Users
Instagram started with one PostgreSQL instance. Then they hit 2 billion users. Here's the sharding journey that kept the Likes flowing - and the lessons that will ace your interview.
Read articleI Designed Netflix in 45 Minutes Flat - Here's the Exact Blueprint
Sweaty palms, a blank whiteboard, and five words: 'Design Netflix.' Here's the exact blueprint that turned my panic into a perfect system design answer.
Read articleHow WhatsApp Handles 100 Billion Messages a Day - Explained Like You're in an Interview
One message, a million hops. Follow a single WhatsApp message from your thumb hitting send to your friend's phone buzzing - and every system it touches along the way.
Read articleDynamic Programming Isn't Hard - You're Just Learning It Wrong
DP isn't hard — you're just learning it wrong. From recursion to memoization to tabulation, plus the 4 archetypes that cover 90% of FAANG DP questions.
Read articleThe 12-Week FAANG Interview Prep Plan That Actually Works (2026 Edition)
A week-by-week battle plan for FAANG interviews - complete with crisis moments, breakthroughs, and the exact schedule that got me through the door.
Read articleThe 5 Patterns That Solve 80% of LeetCode Problems (No, Seriously)
I spent 6 months grinding 400+ problems before realizing I was doing it wrong. Then I discovered 5 patterns that changed everything.
Read articleLoad Balancer vs API Gateway - The Debate That Nearly Cost Me a Google Offer
I confused a load balancer with an API gateway in a Google phone screen. Here's the deep dive that made sure it never happened again.
Read articleRate Limiting, Circuit Breakers, and the Beautiful Art of Failing Gracefully
A cascade failure took down our entire platform because one upstream API got slow. Here's how rate limiting, circuit breakers, and bulkheads could have saved us - and how to nail these patterns in your interview.
Read articleIs Software Engineering Still Worth It in 2026? Let's Look at the Data
Between layoff headlines and AI hype, it's hard to know what's real. Here's what the actual data says about software engineering careers in 2026.
Read articleI Failed 4 FAANG Interviews Before Two Pointers Finally Clicked
Four FAANG rejections, four hidden two-pointer problems. Learn the pattern recognition that turns tricky array and linked list questions into easy wins.
Read articleSystem Design Scaling: Stop Using Buzzwords, Start Measuring Bottlenecks
Stop name-dropping buzzwords. Learn to identify the actual bottleneck in any system design interview and make decisions that impress interviewers.
Read articleWhy We Built Levelop: Interview Prep Is Broken and Here's How We're Fixing It
Stop juggling 7 tools for interview prep. Levelop connects DSA practice, system design, and AI coaching in one platform.
Read article