Semaphore Uncut
A podcast for developers about building great products. Join us as we share technical tips from the Semaphore team to sharpen your coding skills and bring you the latest product news. semaphoreio.substack.com
Episodes
Over the past few weeks, we’ve been refining our roadmap for 2026 and focusing on where Semaphore can deliver the most value.
Our direction is clear: extend CI/CD beyond execution — and help developers ship software faster.
Here’s what’s coming next.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit semaphoreio.substack.com
In this episode of Semaphore Uncut, Malcolm Matalka (Terrateam) discusses GitOps, Terraform tooling, OpenTofu workflows, and building developer tools that stay invisible.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit semaphoreio.substack.com
In this episode of Semaphore Uncut, Jamie Dobson, co-founder and former CEO of Container Solutions, shares a thoughtful perspective on generative AI, developer productivity, and system stability.
The conversation explores why recent research shows engineers feeling happier and more productive with AI tools—while system reliability quietly declines. Jamie explains how AI-generated code can appear correct while introducing subtle long...
In this episode of Semaphore Uncut, Sebastian Gierlinger, VP of Engineering at Storyblok, shares what it really takes to scale a fully remote engineering organization—from early startup days to a 250-person company.
The conversation explores how Storyblok scaled engineering across multiple time zones without losing alignment or delivery speed. Sebastian explains why Scrum stopped working as the team grew, what changed after adopting...
In this episode of Semaphore Uncut, Keren Fanan (CEO & Co-founder) and Hadar Geva (CTO & Co-founder) of MyOp share how years of building and scaling frontend systems led them to rethink how UI should be built, shipped, and managed in production.
This conversation covers:
* How frontend systems break down over time due to framework churn and legacy code
* Why treating UI components as runtime contracts changes how teams ship and experi...
AI agents can reason, but they don’t actually understand your systems. MCP servers fix that by giving your copilots and assistants structured access to your tools, APIs, and CI/CD data. And the best part is that building one is much simpler than most people expect.
In the latest episode of Technical Tips, Tommy walks through how to create a functional MCP server in just a few minutes. He connects it to Semaphore’s API, pulls real pr...
In this episode of Semaphore Uncut, Jonathan Reimer—founder of Crowd.dev and now VP of Outbound Products at the Linux Foundation—breaks down what he’s learned from years inside the open source startup ecosystem.This conversation covers:
* How Crowd.dev grew into a core insights platform for OSS communities and was later acquired by the Linux Foundation
* The three types of open source companies Jonathan identified after speaking with...
In this episode of Technical Tips, Tommy shows you how to run tests across multiple environments without duplicating your CI/CD setup or writing repetitive jobs.He explains how job matrices in Semaphore help you expand test coverage, catch regressions early, and keep your pipelines organized and efficient.
You can also check out the blog post Job Matrix: Feature Showcase for a detailed walkthrough with examples in both the Workflow ...
In this episode, Darko welcomes Brian Douglas, Head of Developer Experience at Continue and longtime open source advocate. They talk about the rise of the AI engineer, how AI agents are reshaping developer workflows, and what’s next for open source infrastructure. Enjoy the episode!
Read the blog post: https://semaphore.io/blog/brian-douglas
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice ...
In this episode of Technical Tips, Tommy walks you through three core principles of automation and CI/CD. These are the foundations that help teams deploy faster, avoid stress, and keep pipelines running smoothly.
Learn more: https://semaphore.io/blog/pipelines-explained-principles-ci-cd
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and share it with your friends.
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In this episode, Darko welcomes Sarah Novotny, a technology leader with 25+ years of experience. From shaping Kubernetes governance at Google to her current work on AI security with the Coalition for Secure AI, Sarah brings deep insight into how open source and governance shape the future of tech.
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and share it with your friends.
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In this episode of Technical Tips, we break down GPT-OSS — OpenAI’s open-source LLMs you can run anywhere. From local setup to cloud hosting, fine-tuning, and performance tips — here’s everything you need to get started with GPT-OSS.
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and share it with your friends.
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In this episode, Darko welcomes Mathias Buus Madsen, CEO of Holepunch and creator of Pear Runtime. Mathias shares how peer-to-peer tech and modular architecture let developers build apps without AWS or cloud lock-in.
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and share it with your friends.
🎙️ This podcast is powered by Semaphore! 🚀
In today’s episode of Technical Tips, Semaphore engineer Veljko Maksimovic shares how we’re using ephemeral environments to test open-source projects across multiple clouds. From spinning up short-lived environments with Infrastructure as Code to running cross-cloud acceptance tests — hear how we’re improving test coverage, speeding up feedback loops, and reducing cloud waste.
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review ...
In this episode of Semaphore Uncut, we chat with Sara Vieira—developer, speaker, and hardware hacker—about her unconventional path into tech, the communities that shaped her, and why she’s diving into Game Boys and 3D printing while everyone else is chasing AI.
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and share it with your friends.
🎙️ This podcast is powered by Semaphore! 🚀
In this episode of Technical Tips, Semaphore engineer Amir Hasanbašić shares how we’re rebuilding our API from the ground up. From a fragmented system to a unified interface — hear how we tackled legacy challenges, redesigned for scale, and what we learned along the way.
If you're into API architecture or scaling big systems, this one’s for you.
Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player o...
In this episode of Semaphore Uncut, Gou Rao—AI infrastructure veteran and co-founder of Neubird—joins Darko to explore how LLMs can support DevOps teams not just with suggestions, but with reasoning, context gathering, and real-time incident diagnosis. He shares the vision behind Hawkeye, Neubird’s “digital engineer,” and what it means to build agentic systems that think and operate like humans.
Like this episode? Be sure to leave a...
Today, we’re diving deep into Semaphore’s architecture with Radosław Woźniak, Software Architect at Semaphore. He’s here to break down the inner workings of our CI/CD platform — from its 30+ microservices to how a simple git push triggers a series of interactions across Semaphore’s infrastructure. Whether you’re a contributor looking to understand the system or just curious about how Semaphore handles complex workflows, this episod...
In this episode of Semaphore Uncut, Darko Fabijan welcomes Marcelo Calbucci—engineer, startup founder, and author of The PR FAQ Book. Marcelo shares insights from his time at Amazon, where he encountered a decision-making framework that changed how he thinks about product development: the PR FAQ.
What starts as an internal press release quickly becomes a strategic tool to align teams, evaluate product ideas, and make better decision...
In today's episode of Technical Tips, we’re joined by Semaphore engineer Lucas Pinheiro. He’s here to share insights on self-hosting agents — including the challenges our engineering team has faced and the solutions we've implemented to manage agents reliably at scale.
Whether you're working with self-hosted systems or navigating cloud-specific hurdles, this episode is packed with valuable takeaways.
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