Technical content authored by engineers, for engineers.
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Bitmapist
Our simple yet powerful cohort analytics library
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When IN(…) is Not Enough
Use JSON_TABLE to unlock better prepared statement performance when IN(…) falls short.
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Building a Living Design System
How We Created an Automated Android Component Catalog That Actually Works
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Implementing a local notification scheduler in Todoist iOS
How we worked around iOS-imposed local notification scheduling limitations
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Filter Assist: AI-Generated Filters in Todoist
We made Todoist's filters even more powerful with GPT capabilities.
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Our donations to OSS during 2024
A heartfelt thank you to all creators and maintainers
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AWS ECS-based Ephemeral consoles for production issue troubleshooting
How Ephemeral consoles enable timely and secure access to production environments, without compromising on accountability
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Booleans and B-tree Indexes: A Cautionary Tale
Fixing an unintuitive issue with MySQL indexes and boolean columns
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Decoding DORA Metrics at Doist
How DORA metrics can revolutionize software delivery and offer in-depth insights into operational performance.
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Regular and Computed Booleans in MySQL
Assessing computed columns as a production-ready alternative to flags
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Improving our Android app's startup time by 20%
How Baseline Profiles helped the Todoist phone and Wear OS apps get faster easily
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Feature Flags in Next.js with iron-session
How we use iron-session to implement feature flags in Next.js
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Our donations to OSS during 2022
A heartfelt thank you to all creators and maintainers
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Async Engineering Mentorship
How to excel at mentoring Engineers in an asynchronous team
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Async test projects in practice
Improve your insight of a candidate’s approach to their day-to-day work
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Server-Driven UI from a Mobile Perspective
How we ended up building our own SDK for Adaptive Cards
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Synchronised Browser Debugging
Emulating Adam Argyle’s Debugging Corner setup
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Async whiteboard coding
Evolving our hiring test project for clarity and speed
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Choosing a Multiplatform Stack
Revisiting and assessing some of the technologies with potential to share common business logic
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How to use Android's x86 emulators on M1 Macs
Leveraging another PC for unsupported Android emulators
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Continuous Deployment for iOS
How we ship our iOS apps faster and easier
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Kotlin Multiplatform on the Web
An exploration on using a shared library from Android and iOS on the Web
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Building a newbie-friendly codebase
Tips for building codebases that are easy to onboard new people
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We release our Android apps every day
How we’ve moved from manual to automated releases
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Debugging the UI of Third-Party iOS Apps
Discover how other developers build specific UI components
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Embeddable Todoist
This is not an official project, but a fun one nonetheless.
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Designing Explainable Machine Learning Products
Why explaining Machine Learning is so important