Tech Lead for Meta's Most-Used Programming Language (Promotion Story)

The Peterman Pod

Jul 25, 2025•46 min

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Episode description

Dwayne Reeves is a Senior Staff Engineer (IC7) at Meta who is the Tech Lead of the most used programming language (Hack) at the company. He started at the company as a new grad from MIT and shared the story of how his career grew. We discussed:

• His promotions to Senior (IC5), Staff (IC6), and Senior Staff (IC7)

• The value of type systems

• Transitioning to a TLM and why he switched back

• Working with brilliant engineers and overcoming imposter syndrome

• Advice for his younger self

Timestamps:

(00:00) Intro

(00:39) Joining Facebook

(04:52) Did MIT help with career?

(07:13) His first team

(10:37) Why static typing is superior

(13:17) The uncanny valley of type systems