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A podcast for developers about building great products. Join us in discussing engineering excellence with top experts and sharpening your coding skills with technical tips from the Semaphore team. Your host is Semaphore’s co-founder, Darko Fabijan.
141 Episodes
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In this episode of Semaphore Uncut, we welcome Aslak Hellesøy, Cucumber Founder, Cucumber Open Source Lead at SmartBear. We walk about TDD and BDD, how to adopt automated testing, what different kinds of tests there are, and what the future holds for Cucumber. What we talked about, in more detail: IntroductionThe differences between TDD and BDDHow developer communities evolveWhat is Cucumber?How companies started adopting CucumberTDD: patterns and anti-patternsHow to adopt test automati...
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. 🎙️ This podcast is powered by Semaphore! 🚀 Show Semaphore Some Love ❤️ ⭐ ...
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. 🎙️ This podcast is powered by Semaphore! 🚀 Show Semaphore Some Love ❤️ ⭐ Star us on GitHub: https://github.com/semaphoreio/semaphore 🚀 J...
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! 🚀 Show Semaphore Some Love ❤️ ⭐ Star us on GitHub: https://github.com/semaphoreio/semaphore 🚀 Join us on discord: ...
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 on the podcast player of your choice and share it with your f...
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! 🚀 Show Semaphore Some Love ❤️ ⭐ Star us on GitHub: https://github.com...
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 of your choice and share it with your friends. 🎙️ This podcast is power...
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 ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and s...
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 episode is packed with valuable insights. Like this episode? B...
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 decisions—before writing a single line of code. Like this episode? Be...
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. Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of ...
In this episode of Semaphore Uncut, Patrick Debois—Generative AI and DevOps specialist —joins Darko Fabijan to share his perspective on how AI intersects with DevOps, DevSecOps, and infrastructure as code. Patrick discusses everything from generative tooling to failure handling, and what makes this era of automation both exciting and risky. 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...
In this episode of Technical Tips, Tommy shares 10 expert tips to keep your CI pipeline fast and efficient. Learn how to improve performance, reduce errors, and ship quality software faster! 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! 🚀 Show Semaphore Some Love ❤️ ⭐ Star us on GitHub: https://github.com/semaphoreio/semaphore 🚀 Join us on discord: https://discord.com/invite...
In this episode of Semaphore Uncut, Ken Kocienda, co-founder and CTO of InFactory, joins Darko Fabijan to discuss how his company is building AI systems that are both useful and dependable. Ken, a veteran software engineer known for his work on Safari, iPhone auto-correct, and Apple’s UI innovations, shares his insights on how AI can move from a black-box guessing machine to a fully transparent and enterprise-ready system. Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast...
In this episode of Technical Tips, Tommy breaks down flaky tests—those unpredictable tests that pass sometimes and fail other times. Learn how to spot, manage, and fix them to keep your CI/CD pipeline reliable! Listen to the full episode or read the transcript on the Semaphore blog. 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! 🚀 🐱 Show Semaphore Some Love! Semaphore is now...
A cornerstone of API development, OpenAPI offers a standardized format to define, design, and document APIs. Born out as open-source and embraced by tech giants like Google, Microsoft, and IBM, OpenAPI isn’t just a specification—it’s a shift toward interoperability, transparency, and developer empowerment. In this article, Lorna Mitchell, a leading voice in API tooling and VP of Developer Experience at Redocly, sheds light on best practices, pitfalls, and how teams fully harness OpenAPI...
In this episode of Technical Tips, Tommy tackles slow CI/CD pipelines with 8 tips to speed them up. Save time, cut costs, and boost your feedback loop. Tune in to supercharge your workflow! Want to explore CI? Check out Semaphore—going open-source soon! https://semaphoreci.com/blog/semaphore-is-going-open-source Listen to the full episode or read the transcript on the Semaphore blog. Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and share it wit...
Cloud adoption has outpaced the development of corresponding expertise in cloud operations, leading to a significant skills gap across the industry. In this regard, many organizations have had to abandon cloud initiatives because they lacked the necessary in-house expertise to manage them. As a result, critical projects are delayed, and costs and operational risks increase. Recognizing this gap, Cory O’Daniel co-founded MassDriver, a platform designed to simplify cloud infrastructure manage...
In this new Technical Tips episode, Tommy explores Continuous Integration, Deployment, and Delivery—three practices with the same goal: making software development faster and more reliable. Tune in as he explains the key differences and clears up the confusion! Listen to the full episode or read the transcript on the Semaphore blog. Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ review on the podcast player of your choice and share it with your friends.
In this episode, Tembo.io Head of Education Floor Drees explains the need for a more collaborative and sustainable approach to open-source development. She will help us explore the current state of the Postgres ecosystem and the broader open-source community to point out the critical issues that need to be addressed to ensure the future of these vital technologies. Listen to the full episode or read the transcript on the Semaphore blog. Like this episode? Be sure to leave a ⭐️⭐️⭐️⭐️⭐️ revie...
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