Archive - The Developing Dev

Meta Distinguished Eng (IC9) On Influencing Engs, Failures, and Learnings

This is Adam Ernst, a Distinguished Engineer at Meta (IC9) who’s built iOS infrastructure that has impacted the entire company.

Feb 9 • Ryan Peterman

40:45

Feb 3 • Ryan Peterman

Instagram Principal Eng (IC8) On Building IG Stories, 1 Promo Per Half, Small Teams

Career learnings from his journey

Feb 2 • Ryan Peterman

1:35:20

January 2026

Honest Big Tech Layoff Story After 25 Years

The anxiety and reality no one talks about

Jan 30 • Ryan Peterman

50:28

Stanford PhD, AI Researcher and Ex-Citadel Quant Shares His Experience

Breaking into the fields, if you need a PhD, what the nature of the work is like

Jan 26 • Ryan Peterman

58:26

Meta Senior Staff (IC7) Eng's Honest Demotion Story

Learnings on what level made him happiest, Meta vs Google culture, navigating the demotion

Jan 23 • Ryan Peterman

49:41

Airbnb Staff Eng on How To Not Get Stuck at Senior and Untold Rules of Calibrations

Transitioning to and from management, experiences at Stripe Airbnb and Meta, Promotions

Jan 19 • Ryan Peterman

1:01:08

New Grad to Principal Engineer (IC8) at Meta (Career Story)

Building bento, taking on calculated risks, maximizing your luck

Jan 12 • Ryan Peterman

56:17

Anthropic Eng Leader and Ex-Senior Director at Meta on Advice That Changed Her Career

Mentorship, dogfooding, company culture differences

Jan 4 • Ryan Peterman

29:49

December 2025

Frontline Manager at Meta to Senior Director at Snapchat in 3 years (Career Story)

Job hopping, manager career growth, LA vs SF, luck's role in career growth

Dec 22, 2025 • Ryan Peterman

42:28

Boris Cherny (Creator of Claude Code) On How His Career Grew

Promotions to Principal Eng (IC8), how to find side projects and top technical book recommendation

Dec 15, 2025 • Ryan Peterman

1:24:31

Instagram Senior Staff Eng (IC7) On 3 Promos Through Redefining Expectations (Career Story)

What held him back, landing 2000 diffs in a year and promotion stories

Dec 8, 2025 • Ryan Peterman

53:04

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