Freelancers using Swift in San FranciscoFreelancers using Swift in San Francisco
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Sunday Moses's avatar
Sunday Moses
San Francisco, USA
Full-stack developer
19
Followers
Full-stack developer
Cover image for Glo is a wellness and
Glo is a wellness and fitness app designed to help users build healthier daily routines through personalized yoga, meditation, Pilates, and fitness classes. The platform provides on-demand classes led by expert instructors, personalized recommendations, guided programs, and wellness content that users can access anytime and across multiple devices.
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Cover image for 🚨 Your database query works…
🚨 Your database query works… but it’s taking 3 seconds? Before rewriting the whole backend, check your database indexes. One missing index can turn a fast query into a slow one as your data grows. Optimize the query before optimizing everything else. ⚡ Have you checked your database indexes recently? 👇
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283
Cover image for Found a bug that only
Found a bug that only happened in production. The code looked fine locally. The real problem? A missing environment variable. Lesson: Always check your production environment variables before rewriting working code. 😅 Have you ever spent hours debugging something that turned out to be a simple configuration issue?
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Cover image for 🚨 A bug that looks
🚨 A bug that looks like a frontend problem might actually be your backend. I once spent time checking UI code, only to find the real issue was an API returning the wrong data. When debugging, I always check the full data flow: Frontend → API → Backend → Database Debug the source, not just the symptom. 🔍 Have you ever found a backend bug while fixing a frontend issue?
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679
Swift(1)
Brian Delaney's avatar
Brian Delaney
San Francisco, USA
Product designer & iOS engineer for polished apps
New to Contra
Product designer & iOS engineer for polished apps
Cover image for Storyluxe is a social design
Storyluxe is a social design app that made polished, editorial story templates accessible to millions of creators. I worked across product design, native iOS implementation, template and editing workflows, subscriptions, growth, QA, App Store presentation, and release support. The project shows my ability to ship consumer creative tools at scale: translating a strong visual brand into an intuitive mobile editor, refining monetization and onboarding, and supporting a product used by millions.
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57
Cover image for Runrate: The new way to budget
Runrate: The new way to budget
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Cover image for I built Runrate's design guide
I built Runrate's design guide in HTML by describing it to Codex in natural language instead of starting in Figma. It still covers what I would normally organize in a Figma library: - semantic color tokens and themes - typography, spacing, shape, elevation, icons, and motion - accessibility and responsive behavior - reusable components with states, usage guidance, anti-patterns, and live examples - product patterns for the ledger, accounts, forms, navigation, and risk or recovery states - guidance for translating the same intent between Web and iOS The difference is that these are not static frames. The tokens are implementation contracts. The components can be used in the browser. The patterns include real constraints, interaction behavior, and accessibility. Production Web remains the source of truth. Then I point the project's AGENTS.md file at the guide. The instruction is essentially this: Before creating or changing a customer-facing Runrate surface, consult the design guide. Use Foundations for tokens, hierarchy, and voice. Use Components for behavior and states. Use Patterns for composition. Reuse the existing system before extending it. That applies to new product features, email templates, marketing creative, and anything else that should match the guide. So the design system is not only a library.... it becomes part of the context used to generate the work. https://myrunrate.com/design What do you think about this? And are you making your design system readable by agents? Curious what other people are doing.
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137
Cover image for LUXE Studio is a photo
LUXE Studio is a photo and video editing app built around focused tools instead of one crowded editor. I worked across product design, native iOS implementation, subscriptions, QA, localization, App Store presentation, and release support. The project shows my end-to-end mobile product workflow: shaping the app experience, shipping polished editing features, refining launch assets, and supporting the product through release.
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Swift(1)