Semaphore Uncut

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.

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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.

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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.

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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.

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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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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.

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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!

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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.

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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.

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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 ...

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.

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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 M...

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.

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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.

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In this episode of Technical Tips, Tommy breaks down smoke testing—a fast way to catch major software flaws early.

Learn how it fits into your CI/CD pipeline, with tips, examples, and practical advice to get started.

Listen to the full episode or read the transcript on the Semaphore blog.

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Web applications are increasingly transforming browsers into the primary interface for our digital lives. As we rely more on web applications for everything from work to entertainment, the responsiveness of these applications becomes paramount. Rich Harris, a former journalist and the mind behind Svelte, shares his insights into web development technologies and trends.

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In this new episode of Technical Tips, Tommy explains how Continuous Integration (CI) helps developers merge code changes frequently, with automated builds and fast feedback loops. Learn how CI keeps your main branch stable and ready for faster releases, all while making your coding life easier.

 Listen to the full episode or read the transcript on the Semaphore blog.

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