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Darryl Bayliss

@darrylbayliss.bsky.social
129 followers 89 following 149 posts

📱☁️ A software engineer with a soft spot for mobile & the cloud darrylbayliss.net

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Darryl Bayliss @darrylbayliss.bsky.social · 01/10/2026
Thank you to Those Who Swift for featuring my Week six Shipaton post in their latest issue. It covers submitting Buildhorn to Apple and tracking down an AI introduced bug. Much appreciated! 😃 thosewhoswift.substack.com/p/those-who-... #Shipaton #BuildInPublic #MobileDev
thosewhoswift.substack.com
Those Who Swift - Issue 286
Your weekly dose of Swift!
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Darryl Bayliss @darrylbayliss.bsky.social · 29/09/2026
Shipaton submission is done! ✅ 🙌 #shipaton #buildinpublic
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Darryl Bayliss @darrylbayliss.bsky.social · 28/09/2026
The next few evenings are dedicated to my shipaton submission form. Gonna get Buildhorn looking good! #shipaton #buildinpublic #mobiledev
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Darryl Bayliss @darrylbayliss.bsky.social · 25/09/2026
This week's Shipaton post for Buildhorn is here! darrylbayliss.net/im-building-... This week covers: 🍎 Tips for handling 6 App Review rejections 🌐 Building buildhorn.com with Jekyll + Hallmark 📱 Testing on the iPhone Duo simulator in Xcode 27.1 #BuildInPublic #Shipaton #MobileDev
darrylbayliss.net
Six App Store Rejections Later, Buildhorn Is Live: Shipaton at Week Eight
How a narrated walkthrough video got my KMP + SwiftUI CI alerts app through its sixth App Store rejection, plus building the site with Jekyll + Hallmark and testing on the iPhone Duo simulator.
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Darryl Bayliss @darrylbayliss.bsky.social · 23/09/2026
Don't forget to check out the website for Buildhorn, including the introductory blog post on what the v1.0 release contains! buildhorn.com #shipaton #buildinpublic #mobiledev
buildhorn.com
Buildhorn
Buildhorn watches your CI builds and alerts you the moment they turn red.
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Darryl Bayliss @darrylbayliss.bsky.social · 23/09/2026
Great news to share! Buildhorn is approved and live on the App Store. 🎉 🙌 Download it now and get setup to hear when your GitHub Actions are failing whilst away from the laptop! ❌ Super happy to see this go live! 😀 apps.apple.com/us/app/build... #Shipaton #MobileDev #BuildInPublic
apps.apple.com
Buildhorn: CI/CD Alerts App - App Store
Download Buildhorn: CI/CD Alerts by Daz Software on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Buildhorn: CI/CD Alerts.
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Darryl Bayliss @darrylbayliss.bsky.social · 20/09/2026
Buildhorn looking 🔥 on the iPhone Duo simulator. 😎 #shipaton #buildinpublic #mobiledev
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Darryl Bayliss @darrylbayliss.bsky.social · 18/09/2026
Week 7 of @revenuecat.com's Shipaton blog post is here: darrylbayliss.net/im-building-... - Worked through App Review rejections & added a demo mode - Gave a lightning talk @ramenclub.bsky.social's Shipaton meetup - Added Split View support ahead of the iPhone Duo #shipaton #buildinpublic
darrylbayliss.net
App Review Rejections, Lightning Talks, and Split Views: Shipaton at Week Seven
Week seven of Shipaton marked multiple App Review rejections and giving a lightning talk!
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Darryl Bayliss @darrylbayliss.bsky.social · 14/09/2026
I'll be @ramenclub.bsky.social on Wednesday evening to give a lightning talk about Buildhorn and how it helps developers keep on top of build failures. 🍜 🚢 ⚡️ Excited to share it with people and get feedback. Hope to see you there! 😀 #Shipaton #MobileDev #BuildInPublic
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Darryl Bayliss @darrylbayliss.bsky.social · 10/09/2026
This week's post for @revenuecat.com's Shipaton hackathon talks about submitting the app to Apple! Also chasing down an AI written bug affecting how quickly the widgets were updated, and creating the app screenshots. darrylbayliss.net/im-building-... Enjoy! #Shipaton #MobileDev #BuildInPublic
darrylbayliss.net
Buildhorn Is Submitted to Apple for Shipaton 2026: Week Six
I’m at the six week mark working on Shipaton 2026: Buildhorn has been submitted to Apple!
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Darryl Bayliss @darrylbayliss.bsky.social · 07/09/2026
Buildhorn is waiting for review! 🤞 #Shipaton #MobileDev #BuildInPublic
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Darryl Bayliss @darrylbayliss.bsky.social · 05/09/2026
This week's post building Buildhorn for @revenuecat.com's Shipaton hackathon is here! This weeks post: - Integrating product analytics using @posthog.com - Tracking down UI / data syncing bugs - Fixing a backend push notification bug darrylbayliss.net/im-building-... #Shipaton #BuildInPublic
darrylbayliss.net
I’m Building for Shipaton 2026: Five weeks In
I’m at the five week mark working on Shipaton 2026: I am testing Building before submitting to the App Store, I found some issues.
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Darryl Bayliss @darrylbayliss.bsky.social · 01/09/2026
Thank you @androidweekly.bsky.social for sharing my quick tips on how to get Kotlin Multiplatform building on Xcode Cloud in the latest issue! 💯🎉🙌 #BuildInPublic #Shipaton #MobileDev
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Darryl Bayliss @darrylbayliss.bsky.social · 29/08/2026
Here's a bonus post about an early problem I ran into on Xcode Cloud using Kotlin Multiplatform with Buildhorn and the solution I found. ☁️ darrylbayliss.net/how-to-build... Hope you enjoy! #Shipaton #BuildInPublic MobileDev
darrylbayliss.net
How to build a KMP Library using Xcode Cloud
As part of my shipaton submission I had an issue building on Xcode Cloud. Here is how I solved it. 💡
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Darryl Bayliss @darrylbayliss.bsky.social · 26/08/2026
It's week four building for @revenuecat.com's Shipaton hackathon! Here is this weeks update. Highlights include: Setting up Firebase Crashlytics 🐛 Cleaning up the Koin DI modules 🧹 Configuring App Store Connect subscriptions 💰 darrylbayliss.net/im-building-... #Shipaton #MobileDev #BuildInPublic
darrylbayliss.net
I’m Building for Shipaton 2026: Four weeks in!
I’m at the four week mark working on Shipaton 2026: My RevenueCat Paywall is hooked up to App Store Connect & tested, operationalising the app is coming along and I have a rough website
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Darryl Bayliss @darrylbayliss.bsky.social · 21/08/2026
Another cool thing added to Buildhorn, a confetti animation when you connect your GitHub account to reward onboarding progress! 🎊 I like when apps take the effort to add small touches like this. It makes the experience feel more polished. #Shipaton #MobileDev #BuildInPublic
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Darryl Bayliss @darrylbayliss.bsky.social · 21/08/2026
Its week three building for @revenuecat.com's Shipaton hackathon and here are my latest updates about Buildhorn, the app that lets you know the second your CI build fails! ❌ darrylbayliss.net/im-building-... #Shipaton #MobileDev #BuildInPublic
darrylbayliss.net
I’m Building for Shipaton 2026: Three Weeks In
Three weeks into Shipaton 2026: The initial features for v1.0 are set up. Now it’s time to clean up and polish 🧽
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Darryl Bayliss @darrylbayliss.bsky.social · 15/08/2026
The 1st external TestFlight for Buildhorn is available! 🛫 Looking for honest feedback about the onboarding, main app screens and the app widgets. 🙏 Sign up over at: testflight.apple.com/join/mFzx7F7P #Shipaton #MobileDev #BuildInPublic
testflight.apple.com
Join the Buildhorn beta
Available on iOS
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Darryl Bayliss @darrylbayliss.bsky.social · 14/08/2026
You can also follow how I'm getting on with Shipaton via @hackernoon.com. Thanks for publishing my posts! #Shipaton #MobileDev #BuildInPublic
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Darryl Bayliss @darrylbayliss.bsky.social · 13/08/2026
Two weeks into @revenuecat.com's Shipaton hackathon and I have a working end to end app! 💯🚀 Here's a new post about its current state, the challenges I'm coming across, and the tools in use as part of my submission. darrylbayliss.net/im-building-... #Shipaton #MobileDev #BuildInPublic
darrylbayliss.net
I’m Building for Shipaton 2026: Two Weeks In
Two weeks into Shipaton 2026: The Kotlin Multiplatform app is set up and speaking to Firebase. Here are some of the tools helping me along the way
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Darryl Bayliss @darrylbayliss.bsky.social · 10/08/2026
Thank you @androidweekly.bsky.social for sharing my build plan for Shipaton 2026 in their latest newsletter. Much appreciated! 😀 #Shipaton #MobileDev #BuildInPublic
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Darryl Bayliss @darrylbayliss.bsky.social · 07/08/2026
I'll be joining @revenuecat.com's Shipaton hackathon to build an App showing CI build status at a glance! Check out my latest blog post about how I plan to build it: darrylbayliss.net/im-building-... Aiming to write update posts on progress. Keep an eye out! #Shipaton #MobileDev #BuildInPublic
darrylbayliss.net
I’m Building for Shipaton 2026
Kicking off Shipaton 2026: building a Kotlin Multiplatform app that alerts developers to GitHub CI build status via widgets, backed by Firebase and RevenueCat.
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Darryl Bayliss @darrylbayliss.bsky.social · 31/07/2026
Had a great time joining @developers.google.com's celebration of 5 years of Jetpack Compose in London at the latest Londroid meetup! #Android #AndroidDev #JetpackCompose
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Darryl Bayliss @darrylbayliss.bsky.social · 21/07/2026
I've recertified as a Professional Google Cloud Architect for another year! 🎓 ☁️ www.credly.com/badges/330d5... #Google #Agents #Kubernetes
credly.com
Professional Cloud Architect Certification was issued by Google Cloud to Darryl Bayliss.
Professional Cloud Architects enable organizations to leverage Google Cloud technologies. With a thorough understanding of cloud architecture and Google Cloud, they design, develop, and manage…
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Darryl Bayliss @darrylbayliss.bsky.social · 03/07/2026
Came across this free five day AI agents course from @developers.google.com & @kaggle.com Finding it useful to understand where the agents conversation is heading. www.kaggle.com/competitions... #AI #Agents #Learning
kaggle.com
5-Day AI Agents: Intensive Vibe Coding Course With Google
June 15 - 19, 2026
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Darryl Bayliss @darrylbayliss.bsky.social · 25/06/2026
This week I faced the heat to attend the Mobile Engineering Leadership at Scale meetup over in the @developer.vonage.com office. The topic of the evening was how AI is changing mobile teams and what the future may hold as AI becomes mainstream as a development tool. #MobileDev #Leadership #AI
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Darryl Bayliss @darrylbayliss.bsky.social · 15/05/2026
One thing catching my eye this week was the announcements from The Android Show by the bsky.app/profile/andr... team. android-developers.googleblog.com/2026/05/the-... Here's a couple of things I took away from it. #Android #GoogleIO #OnDeviceAI
android-developers.googleblog.com
Building for the Intelligence System on Android
News and insights on the Android platform, developer tools, and events.
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Darryl Bayliss @darrylbayliss.bsky.social · 26/03/2026
My talk about Building Apps for Multiple Apple Platforms is now available on YouTube: www.youtube.com/watch?v=AXWx... I cover practical SwiftUI examples, as well as how to leverage Swift / Xcode to adapt your App for the whole range of Apple platforms! 🖥️ 📱🥽 #NSLondon #Swift #Apple
youtube.com
Building Apps for Multiple Apple Platforms – Darryl Bayliss (NSLondon 2026.1)
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Darryl Bayliss @darrylbayliss.bsky.social · 17/03/2026
Thank you everyone that came to @nslondon.com last week at Apple Battersea. I really enjoyed sharing my tips and advice on Multiplatform Development. It was amazing to speak in such an iconic venue. You can view my slides from the evening here: www.canva.com/design/DAHD0... #NSLondon #SwiftUI
Darryl is holding his Apple Vistor Badge in the office reception.Darryl is on a stage in the Apple offices presenting to a large room of people watching him.
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Darryl Bayliss @darrylbayliss.bsky.social · 05/03/2026
This time next week I'll be talking about Multiplatform Development for Apple Devices @nslondon.com over at the Apple Battersea Campus. 🍏💻📱 Looking forward to seeing you if you grabbed a spot for the event. Should be a great night! bsky.app/profile/nslo... #SwiftUI #NSLondon #iOSDev
bsky.app
NSLondon (@nslondon.com)
2026.1 Speaker #1: @darrylbayliss.bsky.social “Building Apps for Multiple Apple Platforms” Have you ever wondered how an app works across different Apple platforms and what the setup looks like?…
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Darryl Bayliss @darrylbayliss.bsky.social · 25/02/2026
Big news to share, I'll be speaking @nslondon.com on March 12th at Apple's Battersea Power Station Campus! 🍎📱 Spots to see the talks are available from 10am Thursday morning (26th Feb). Hope to see you there! 🙌 www.meetup.com/nslondon/eve... #AppleDev #NSLondon #Swift #SwiftUI
meetup.com
NSLondon 2026.1 at Apple Battersea, Thu, Mar 12, 2026, 6:00 PM | Meetup
Join us for an exciting evening hosted once again by **Apple at their Battersea Power Station campus**! Enjoy informative talks and make the most of the chance to meet fell
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Darryl Bayliss @darrylbayliss.bsky.social · 13/02/2026
This week I attended my first Mobile Engineering Leaders at Scale session over in the @redisinc.bsky.social Offices. It was a fun evening where I got to speak with other mobile leads, each sharing experiences around problems their mobile teams face. #MobileDev #Scaling #Growth
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Darryl Bayliss @darrylbayliss.bsky.social · 02/02/2026
Last week's interesting thread for me was this blog post from the creator of ClawdBot / Moltbot / OpenClaw. It's helpful to see developers pull back the curtain on what they are doing to push Agents and help them build software. steipete.me/posts/2025/s... #VibeCoding #Prototyping #Innovation
steipete.me
Shipping at Inference-Speed | Peter Steinberger
Why I stopped reading code and started watching it stream by.
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Darryl Bayliss @darrylbayliss.bsky.social · 21/01/2026
Here's a thread from Hacker News that caught my eye. A user asks COBOL mainframe maintainers whether AI is impacting their jobs. news.ycombinator.com/item?id=4667... #AI #LLMs #COBOL
news.ycombinator.com
Ask HN: COBOL devs, how are AI coding affecting your work? | Hacker News
I feel that the mass of code that actually runs the economy is remarkably untouched by AI coding agents.
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Darryl Bayliss @darrylbayliss.bsky.social · 03/12/2025
With December here its around this time I like to showcase my Apple Development skills and talk about Christmas Chill. The one stop App for all your festive looped videos! 📽️🎄 apps.apple.com/gb/app/chris... #AppleDev #iOSDev #tvOS #AppleVisionPro
apps.apple.com
Christmas Chill App - App Store
Download Christmas Chill by Daz Software on the App Store. See screenshots, ratings and reviews, user tips, and more games like Christmas Chill.
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Darryl Bayliss @darrylbayliss.bsky.social · 07/11/2025
After more than a year of work I'm excited to share the latest project I've been involved in. The ATG Tickets App, now publically available in the UK! 🎭 🎟️ 📱 www.theatrefullstop.com/2025/11/05/a... #AndroidDev #iOSDev #MobileDev #Ticketing
theatrefullstop.com
ATG Entertainment launches integrated mobile app to elevate live entertainment experience - Theatrefullstop
Screenshot Global leader in live entertainment, ATG Entertainment, today announces the launch of its new ATG Tickets mobile app, delivering a fully integrated, end-to-end experience for UK theatre…
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Darryl Bayliss @darrylbayliss.bsky.social · 27/10/2025
If you use Apple's Foundational Models inside the Shortcuts App you may find the responses generic. That's because language models on device hit hardware limits. To solve, you can switch to using Private Cloud Compute in a couple of taps. Resulting in more accurate responses! #iOSDev #GenAI
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Darryl Bayliss @darrylbayliss.bsky.social · 21/10/2025
Building your own Generative AI workflows on your iPhone is simple as a few taps using the Shortcuts App. Super useful if you're looking to prototype what is possible using Apple's foundational models without writing a line of code. #iOSDev #Apple #GenerativeAI #SLM
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Darryl Bayliss @darrylbayliss.bsky.social · 13/10/2025
Been playing around with iOS 26 recently. I was pleasantly surprised at how accessible Apple's Language Models are using the Shortcuts App. So much so I thought it was worth writing about in a short post. 🍎 darrylbayliss.net/using-apples... #iOSDev #Apple #GenerativeAI #SLM
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Darryl Bayliss @darrylbayliss.bsky.social · 24/09/2025
Thank you to @androidweekly.bsky.social and @kotlinweekly.bsky.social for including my post on running a RAG powered AI model in your Android app in their latest newsletters! I look forward to their emails each week. Give them a subscribe if you don't already. 😀 #AndroidDev #Kotlin #GenerativeAI
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Darryl Bayliss @darrylbayliss.bsky.social · 18/09/2025
I have a new blog post out! It's all about how to run RAG powered AI models locally in your Android apps! 🦾 🤖 darrylbayliss.net/running-a-ra... #AndroidDev #GenerativeAI #LLMs
darrylbayliss.net
Running a RAG powered language model on Android using MediaPipe
A couple of months ago I gave a talk about running on device SLMs in apps. It was well recieved and refreshing to be able to give a talk where mobile apps can gain an advantage from the rise in…
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Darryl Bayliss @darrylbayliss.bsky.social · 30/06/2025
Concurrent programming is a technique to allow apps perform multiple actions at once. All while making it appear seamless to the user!📱 To help teach this concept, I have a new set of lessons and videos available @kodeco.com. 🙌 www.kodeco.com/ios/paths/co... #iOS #Swift #WWDC
kodeco.com
Concurrency & Asynchronous Programming in Swift
This module explores concurrency and asynchronous programming in Swift. You’ll learn about structured concurrency, actors, and advanced optimization techniques.
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Darryl Bayliss @darrylbayliss.bsky.social · 10/06/2025
With London Tech Week in full swing I'm planning to attend this event about AI and how it can create engaging communities: londontechweek.com/fringe-event... A little skeptical AI can help here but going with a open mind to see what the future looks like. 😃 🤖 🤝 #LondonTechWeek #AI #Communities
londontechweek.com
AI future: Communities, Communication and Connectivity
Learn how AI enhances meaningful collaboration and helps transform communities
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Darryl Bayliss @darrylbayliss.bsky.social · 02/05/2025
Looking for something to help chill out this bank holiday weekend? ☀️ Ocean Chill now supports AppleTV, giving you more ways to enjoy relaxing ocean views from the comfort of your home! 🌊 🐚 📺 Check it out and download here: apps.apple.com/gb/app/ocean... #AppleVisionPro #AppleTV #AppStore
apps.apple.com
‎Ocean Chill
‎Love those ocean vibes? With Ocean Chill, you can feel as if you're there - from the comfort of your anywhere! Create your own private wave of calm with relaxing and soothing ocean views and…
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Darryl Bayliss @darrylbayliss.bsky.social · 14/04/2025
Thank you @kotlinweekly.bsky.social for including my talk about running SLMs on mobile devices in your latest newsletter. Much appreciated! 😀👍 🦾 bsky.app/profile/kotl... #MobileDev #AI #SLMs
bsky.app
@kotlinweekly.bsky.social
Kotlin Weekly #454 has just been published! - https://mailchi.mp/kotlinweekly/kotlin-weekly-454
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Darryl Bayliss @darrylbayliss.bsky.social · 11/04/2025
Had a great time discussing Small Language Models and their on-device uses with MediaPipe. Thanks to everyone who joined! 🎤🦾 Special thanks to Londroid for organising and Vonage for sponsoring! 🤩 Watch the talk here: www.youtube.com/watch?v=NPLG... #Londroid #AndroidDev #AI
youtube.com
How to run Small Language Models in your App using MediaPipe
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Darryl Bayliss @darrylbayliss.bsky.social · 08/04/2025
Two days to go until I'll be at Vonage talking about running Small Language Models in your apps as part of Londroid! 📱 To prep I updated my Simon Says repo to use Google DeepMind's new Gemma 3 models. Hope you find it useful! 🙏 github.com/DarrylBaylis... #Londroid #AndroidDev #AI
github.com
GitHub - DarrylBayliss/Simon-Says-Android: An Android App recreating the Simon Says game. Uses MediaPipe to run an LLM on device
An Android App recreating the Simon Says game. Uses MediaPipe to run an LLM on device - DarrylBayliss/Simon-Says-Android
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Darryl Bayliss @darrylbayliss.bsky.social · 04/04/2025
I'll be speaking at Londroid next week about running Small Language Models in your Apps using MediaPipe. 📱🦾 🪈 Looking forward to it and hopefully see you there! 😀 www.meetup.com/android/even... #AndroidDev #Londroid #AI
meetup.com
Londroid @Vonage, Thu, Apr 10, 2025, 6:00 PM | Meetup
Join us for our next Londroid event on Thursday, 10th April 2025, hosted by Vonage at their London office. Expect an evening of great talks, networking, and refreshments, a
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Darryl Bayliss @darrylbayliss.bsky.social · 24/03/2025
Learn how to build ViewModels in SwiftUI with this course I worked on with Audrey Tam! 🏗️ Explore Observation, Environment property wrappers, and Dependency Injection, providing practical insights and examples for your next app. 🔭 Dive in now on @kodeco.com for subscribers. #SwiftUI #iOSDev
kodeco.com
Building Robust ViewModels
This course is designed for intermediate iOS developers who want to take their SwiftUI skills to the next level by leveraging the power of Model-View-ViewModel (MVVM) architecture. Throughout this…
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Reposted by Darryl Bayliss
DoESLiverpool @doesliverpool.com · 14/03/2025
Apply before midnight on Sunday!
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