# Jakub Czakon - founder of Developer Markepear and former CMO of Neptune.ai (acquired by OpenAI) Page: https://stenobird.com/podcast/scaling-devtools/jakub-czakon-founder-of-developer-markepear-and-former-cmo-of-neptune-ai-acquired-by-openai Text version: https://stenobird.com/podcast/scaling-devtools/jakub-czakon-founder-of-developer-markepear-and-former-cmo-of-neptune-ai-acquired-by-openai.md Podcast: [Scaling DevTools](https://stenobird.com/podcast/scaling-devtools) Published: 2026-04-23T15:07:03+00:00 Episode link: https://podcast.scalingdevtools.com/episodes/lessons-from-8-years-of-devtool-wins-fd419335-048e-4cd5-b73b-d2db4c33f947 Audio file: https://media.transistor.fm/62826656/f9fb9da8.mp3 Processing state: processed JSON: https://stenobird.com/v1/public/podcasts/scaling-devtools/episodes/jakub-czakon-founder-of-developer-markepear-and-former-cmo-of-neptune-ai-acquired-by-openai Duration seconds: 3378 ## Resource Jakub Czakon, former CMO of Neptune.ai, shares hard-won lessons from scaling a DevTool through its acquisition by OpenAI. He explores how to identify winning market segments and why doubling down on proven channels beats premature diversification. ## Highlights - Main idea: Market momentum acts as a force multiplier; marketing to a 'hot' growing market is significantly more effective than fighting for niche, stagnant segments - Failure mode: Premature diversification can kill growth; it is often better to exhaustively saturate a winning channel before moving to the next - Practical takeaway: Identify 'underloved' channels like developer advertising where low competition allows for high-impact wins - Strategic insight: Use your unique 'cards'—leverage specific strengths in positioning to find openings where competitors are not playing - Communication tip: Front-load value in writing and speaking by placing the most important conclusions at the beginning of sections to respect the reader's time ## Topics DevTools Marketing, Go-to-Market Strategy, Product-Market Fit, Developer Relations, Startup Scaling, OpenAI, Machine Learning Engineering, Growth Hacking ## Chapters - 1:00 — Reflecting on the Neptune.ai Journey: A look back at the eight-year journey of Neptune.ai leading up to its acquisition by OpenAI. - 5:35 — The Power of Market Momentum: Why targeting high-growth, 'hot' markets provides a massive advantage over niche or cold markets. - 9:45 — Website Messaging vs. Investor Expectations: The tension between writing for developers and writing for investor TAM requirements. - 22:30 — Exploitation vs. Exploration: The danger of diversifying marketing efforts too early and the importance of saturating proven channels. - 26:40 — Finding Opportunities in Underloved Channels: How to find 'green pastures' in developer marketing by looking where others are not. - 47:35 — The Art of Front-loading Information: Applying the 'TL;DR' principle to technical writing and public speaking to increase clarity. ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/scaling-devtools/episodes/jakub-czakon-founder-of-developer-markepear-and-former-cmo-of-neptune-ai-acquired-by-openai/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/scaling-devtools/jakub-czakon-founder-of-developer-markepear-and-former-cmo-of-neptune-ai-acquired-by-openai.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.