OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh

2026-06-22 · 83 min · 30 entities

episode page audio

Asserted relationships

→ references Astral Sh person

0.77

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/astral-sh/uv
→ references Salsa Rs product

0.77

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/salsa-rs/salsa
→ hosted by Ryan Peterman person

0.55

evidence rules-v5
Feed author/publisher: Ryan Peterman
→ founded Astral company

0.54

evidence rules-v5
founder of Astral
→ founded Astral company

0.54

evidence rules-v5
founder of Astral
→ works at Astral company

0.50

evidence rules-v5
founder of Astral
→ works at Astral company

0.50

evidence rules-v5
founder of Astral
→ discusses Technology company

0.40

evidence rules-v5
Feed category: Technology
→ references developing.dev website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://developing.dev/
→ references @Ryanlpeterman website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://tiktok.com/@ryanlpeterman
→ references Compose Simple Ergonomics Beautifully Done person

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://kickstarter.com/projects/ryanlpeterman/compose-simple-ergonomics-beautifully-done
→ references read.compose.llc company

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://read.compose.llc/
→ references workos.com website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://workos.com/
→ references Openai Eng And Dev Tools Founder website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://developing.dev/p/openai-eng-and-dev-tools-founder
→ references Charliermarsh website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/charliermarsh
→ references Python Tooling Could Be Much Much Faster website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://notes.crmarsh.com/python-tooling-could-be-much-much-faster

Entities found in this episode

websites 12

mentioned developing.dev website

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://developing.dev/
mentioned @Ryanlpeterman website

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://threads.com/@ryanlpeterman
mentioned workos.com website

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://workos.com/
mentioned Openai Eng And Dev Tools Founder website

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://developing.dev/p/openai-eng-and-dev-tools-founder
mentioned Charliermarsh website

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/charliermarsh
mentioned Python Tooling Could Be Much Much Faster website

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://notes.crmarsh.com/python-tooling-could-be-much-much-faster
references developing.dev website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://developing.dev/
references @Ryanlpeterman website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://tiktok.com/@ryanlpeterman
references workos.com website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://workos.com/
references Openai Eng And Dev Tools Founder website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://developing.dev/p/openai-eng-and-dev-tools-founder
references Charliermarsh website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/charliermarsh
references Python Tooling Could Be Much Much Faster website

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://notes.crmarsh.com/python-tooling-could-be-much-much-faster

companys 9

mentioned Astral company

0.68

evidence rules-v5
founder of Astral
founded Astral company

0.54

evidence rules-v5
founder of Astral
founded Astral company

0.54

evidence rules-v5
founder of Astral
mentioned Technology company

0.50

evidence rules-v5
Feed category: Technology
works at Astral company

0.50

evidence rules-v5
founder of Astral
works at Astral company

0.50

evidence rules-v5
founder of Astral
mentioned read.compose.llc company

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://read.compose.llc/
discusses Technology company

0.40

evidence rules-v5
Feed category: Technology
references read.compose.llc company

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://read.compose.llc/

persons 6

references Astral Sh person

0.77

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/astral-sh/uv
mentioned Ryan Peterman person

0.70

evidence rules-v5
Feed author/publisher: Ryan Peterman
hosted by Ryan Peterman person

0.55

evidence rules-v5
Feed author/publisher: Ryan Peterman
mentioned Compose Simple Ergonomics Beautifully Done person

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://kickstarter.com/projects/ryanlpeterman/compose-simple-ergonomics-beautifully-done
mentioned Astral Sh person

0.45

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/astral-sh/uv/pull/789
references Compose Simple Ergonomics Beautifully Done person

0.38

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://kickstarter.com/projects/ryanlpeterman/compose-simple-ergonomics-beautifully-done

products 2

mentioned Salsa Rs product

0.90

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/salsa-rs/salsa
references Salsa Rs product

0.77

evidence rules-v5
Link in episode "OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh": https://github.com/salsa-rs/salsa

concepts 1

mentioned How Software Engineering Is Changing | Charlie Marsh concept

0.42

evidence rules-v5
OpenAI Eng & Dev Tools Founder: How Software Engineering Is Changing | Charlie Marsh

Episode description as stored

Charlie Marsh is the founder of Astral, the Python devtool startup that was acquired by OpenAI. I inteviewed him about how software engineering is changing and learnings from starting his own company as an engineer. • My ergonomic keyboard project I mentioned, you can follow along here: https://read.compose.llc/ • The Kickstarter page for it: https://www.kickstarter.com/projects/ryanlpeterman/compose-simple-ergonomics-beautifully-done Podcast links: • YouTube: https://youtu.be/Iw65FD4MGgs • Apple: https://podcasts.apple.com/us/podcast/the-peterman-pod/id1777363835 • Transcript: https://www.developing.dev/p/openai-eng-and-dev-tools-founder Thank you to this episode's sponsor for supporting my work: • WorkOS: makes your app Enterprise Ready with easy to use APIs to add SSO, SCIM, RBAC, and more in just a few lines of code, check them out at https://workos.com/ Timestamps: (00:00) Intro (00:40) Origin story (06:04) The front page of Hacker News (14:35) Why he chose Rust (20:10) Full codebase migration from Zig to Rust (28:40) LLM generated code and open source (35:34) Performance optimizations (44:54) Optimization with AI and combating slop (01:02:08) Learnings as an eng starting a company (01:17:55) Top technical talk recommendation (01:18:56) Advice for his younger self (01:22:00) Outro Where to find Charlie: • LinkedIn: https://www.linkedin.com/in/marshcharles/ • GitHub: https://github.com/charliermarsh • X/Twitter: https://x.com/charliermarsh Where to find Ryan: • Newsletter: https://www.developing.dev/ • X/Twitter: https://x.com/ryanlpeterman • LinkedIn: https://www.linkedin.com/in/ryanlpeterman/ • Threads: https://www.threads.com/@ryanlpeterman • Instagram: https://www.instagram.com/ryanlpeterman • TikTok: https://www.tiktok.com/@ryanlpeterman Referenced in this episode: • Python tooling could be much, much faster: https://notes.crmarsh.com/python-tooling-could-be-much-much-faster • The coolest PR he's ever seen: https://github.com/astral-sh/uv/pull/789 • Andrew Kelley’s data-oriented design talk: https://www.youtube.com/watch?v=IroPQ150F6c • Ruff: https://github.com/astral-sh/ruff • uv: https://github.com/astral-sh/uv • ty: https://github.com/astral-sh/ty • Salsa: https://github.com/salsa-rs/salsa