Career Switching to Tech at 40+: A Realistic Playbook
3 min read Switching to tech in your 40s, 50s, or 60s is harder than the bootcamp marketing implies. It is also more […] Read article
Returnship & Late-Career
Returnship & Late-Career
Coding Skills Refresh: What to Study After Years Away from Tech
2 min read Coming back to coding after a multi-year break can feel paralyzing. The stack has changed, the tooling is different, the Read article
Returnship & Late-Career
Re-Entering Tech as a Parent Returning from Family Leave
3 min read Returning to tech after parental leave is its own category of re-entry. The break is shorter than a returnship-eligible gap, Read article
Engineering Manager
Engineering Manager Behavioral Questions: 50 Patterns and a Framework
3 min read Engineering manager behavioral interviews live or die on specifics. The interviewer wants to verify that you have actually done the Read article
Engineering Manager
EM People Management Scenarios: Hiring, Firing, and Performance
3 min read The people management round is the highest-signal interview for an engineering manager. The interviewer is checking whether you have actually Read article
Engineering Manager
EM Tech Leadership: System Design and Architecture for Managers
3 min read The technical credibility round for engineering managers is graded differently from IC system design. The interviewer is asking: could this Read article
Engineering Manager
EM Compensation, Leveling, and the Manager Career Ladder
3 min read Engineering management is one of the few career tracks where total compensation often trails the IC track at the same Read article
Engineering Manager
EM Cross-Functional Collaboration: Working with PMs, Design, and Executives
3 min read The cross-functional round is where many strong engineers fail their first EM interview. Coming from an IC background, you may Read article
Engineering Manager
The Engineering Manager Interview Process: What to Expect in 2026
2 min read The engineering manager interview is not a softer version of the engineering interview. It is a different interview — fewer Read article
Mobile System Design, System Design
Design a Strava-Style Fitness Tracker: GPS, Sensors, and Social
2 min read Designing a fitness tracker like Strava is a great mobile system design question because it combines hardware (GPS, accelerometer, heart Read article
Mobile System Design, System Design
Design a Mobile Trading App: Real-Time Prices and Charting
2 min read “Design Robinhood” is a deceptively hard mobile system design question. The interviewer wants to see if you can handle real-time Read article
Mobile System Design, System Design
Design Slack Mobile: Channels, Threading, and Presence
2 min read Slack on mobile is harder than chat. Chat apps have one thread per conversation. Slack has channels with threads inside Read article
Mobile System Design, System Design
Design Spotify Mobile: Offline Music, Downloads, and Streaming
2 min read “Design Spotify mobile” is a layered question. The basic streaming case is straightforward — fetch a manifest, download audio, play. Read article
Mobile System Design, System Design
Design a Tinder-Style Swipe Deck: Prefetch, Gestures, and Match Logic
2 min read The Tinder swipe deck is a fascinating UX-engineering challenge. Cards must be prefetched so swiping never hits a network spinner. Read article
Mobile System Design, System Design
Design a Mobile Photo Backup Service: iCloud / Google Photos
2 min read Photo backup is one of the most-used and least-noticed mobile system design problems. iCloud Photos backs up over a trillion Read article