Evil Martians
evilmartians.com
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IT Consulting & Digital Transformation
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Overview
Evil Martians is a product development consultancy that works with startups and established businesses on web applications, developer tools and the infrastructure underneath them. The firm is known across the open-source world for maintaining projects such as PostCSS, AnyCable, Imgproxy and Overmind, and for a technical blog that engineers read well beyond its own client base. Its teams join a product as an outsourced engineering group, covering architecture, front-end, backend and developer experience work from design through to production.
News
Trust Nothing, Ship Safely: Surviving the Supply Chain Attack Era
Supply chain attacks are no longer a theoretical threat - they are a daily reality, with GitHub repositories, npm packages, VS Code extensions, and even the biggest open-source libraries increasingly weaponized to compromise thousands of developers and th
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Evil Martians hosts SF Ruby 2026 featuring Garry Tan
This year, Evil Martians is hosting the second SF Ruby Startup Conference on November 10-12 at SFJAZZ. Garry Tan, President and CEO of Y Combinator, is keynoting. Get your tickets!
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Durable orchestration on Rails: from continuation to workflow
Vladimir Dementyev speaks at Rails World 2026 in Austin, Texas: durable workflow orchestration in Rails, from Active Job Continuations to persistent context, scheduled steps, and first-class resumeability.
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Smart Nano Stores, or how to make state management in Angular simpler
Frustrated with complex state management libraries? Meet Nano Stores - a lightweight state manager that streamlines the process while preserving performance and maintainability. In this talk, Nina will show how small atomic tree-shakable stores can make s
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Ship agent skills like packages: discovery index, digests, and install sources
How to publish agent skills so any AI coding agent can find and install them: the .well-known/agent-skills/index.json discovery index, SHA-256 integrity digests, single-file vs multi-file vs bundle packaging, and every install command. Worked from the cat
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Fair by design: orchestrating background jobs in Ruby
Are you treating your users fairly? They could be stuck in the queue while a greedy user monopolizes resources. And you might not even know it! In this post, you'll see if it's time for you to take background job prioritization seriously, and how to make
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5 best practices for preventing chaos in Tailwind CSS
Tailwind CSS has become a very popular CSS framework, and it can speed up development. But using it without proper caution can add mayhem to your code. Learn best practices to avoid getting swept away!
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+14% activated users for AppSignal: designing a new homepage in code
We designed and shipped a fresh AppSignal homepage in code, then validated it in an A/B test with a 14% lift in activated users.
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Unlocking Real-World Go Mutex Usage Patterns by Writing a Mutex Linter
The trickiest and hardest-to-identify bugs are often those fixable with a single line of code. Hours, days, or months can be spent only to find a missing Unlock() in the (dead) end. After I suffered such a case, I asked myself two questions: "Am I using m
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(Sync)testing Concurrent Code with Confidence
Testing concurrent code has always been a balance between tests being either hacky, flaky or slow. In this talk, Alexander Baygeldin, backend engineer at Evil Martians, explores Go's testing/synctest package: how it can help us write idiomatic, reliable,
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