--- title: 'Senior iOS Developer / Platform at AppNation' canonical: 'https://feeny.ai/job/senior-ios-developer-platform-appnation-istanbul-xe8xwgkehaga' type: 'job' last_seen: '2026-10-28' --- # Senior iOS Developer / Platform at AppNation - **Company:** AppNation - **Location:** İstanbul, Turkey - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-09-25 - **Last confirmed live:** 2026-10-28 - **Apply:** https://jobs.lever.co/appnation/b4105254-2ae5-47a3-b87c-d48800e2c319 ## Job description ## About AppNation We build AI-powered mobile apps that reach millions of users worldwide. Since 2021, AppNation has been creating products across AI, productivity, and mobile experiences. Our apps, including Genie, Translate AI, and Arch, have reached 100M+ users globally and ranked among the top apps in 30+ countries. We are a team of builders, designers, and engineers who move fast, take ownership, and create products used by millions. ## About the Role We’re looking for a Senior iOS Developer to help us build and scale world-class mobile experiences. You’ll work across our portfolio of AI-powered and consumer mobile apps, taking ownership from architecture decisions to production releases. You’ll solve challenging engineering problems, improve app performance, and help shape the technical standards of our mobile team. ## What You’ll Do - Build and maintain scalable, high-quality iOS applications using Swift and SwiftUI. - Take ownership of the native iOS layer in our Flutter apps, including architecture, integrations and platform-specific capabilities. - Build and ship Apple-native features in our apps, such as WidgetKit widgets, Live Activities and Dynamic Island, App Intents and Siri Shortcuts, push and notification extensions, Share extensions, Sign in with Apple and StoreKit 2. - Bring AI capabilities to the native side where they make sense, using technologies such as Core ML, on-device models, Apple Intelligence APIs, Speech and Vision frameworks. - Design and evolve maintainable iOS architectures, reusable components and clear boundaries between native and Flutter layers. - Profile and optimize app performance, startup time, memory usage and responsiveness using Instruments and production monitoring tools. - Ensure our apps look and work correctly across supported iPhone and iPad screen sizes, OS versions and form factors, including native components such as widgets and extensions. - Improve engineering practices around testing, code review, CI/CD, release processes and mobile observability. - Act as the team's iOS mentor by reviewing native code, writing internal guidelines, running knowledge-sharing sessions and helping our Flutter developers become confident on iOS. ## What We’re Looking For - At least 5 years of professional iOS development experience, including apps you have shipped and maintained in production on the App Store. - Strong interest in the Apple ecosystem and modern iOS engineering practices. - Strong proficiency in Swift and hands-on production experience with SwiftUI. - Strong knowledge of iOS application architecture, application lifecycle, modular design and platform APIs. - Strong knowledge of the Apple platform beyond the main app, including app extensions, WidgetKit, background modes, push notifications, StoreKit and the app lifecycle. - A solid understanding of Swift Concurrency, including async/await, actors, structured concurrency and thread safety; experience with Combine is a plus. - Strong understanding of ARC, memory management, retain cycles and performance profiling. - Comfortable using Instruments and production diagnostics to identify and resolve performance and memory issues. - Hands-on experience with Xcode project configuration, code signing, provisioning, CI/CD and the full App Store release process. - Experience investigating production issues using crash reports, logs, metrics and profiling tools. - Experience connecting native iOS code with a cross-platform framework, or a strong willingness to learn Flutter. - Familiarity with Android and Kotlin is a plus. - Experience working with Objective-C or legacy iOS codebases is a plus. - Experience with visionOS, watchOS or tvOS is a plus. - Working proficiency in English. - A bachelor's degree in Computer Engineering, Computer Science or a related field, or equivalent practical experience. Why AppNation? - Build and scale products reaching millions of users globally. - Work with talented people in a fast-moving AI-first environment. - Take ownership and see your impact directly in the products you build. - Grow quickly with opportunities to lead projects and shape technical decisions. - Enjoy competitive compensation and benefits, including private health insurance, meal and commute support, relocation support, and flexible working options. Our Hiring Process Application Review → Interview → Technical Assessment → Final Interviews At AppNation, we set ambitious goals and challenge ourselves to build products that reach millions of people. We value curiosity, ownership, and continuous growth. If this role excites you and you're ready to make an impact, we'd love to hear from you. Apply now—we're excited to meet you. ## About AppNation ## Company Overview - **One-liner**: AppNation is a mobile app publisher that creates category‑leading AI‑powered apps, making advanced AI technology easy to use and accessible for everyone. - **Entity Type**: Private (funding stage not publicly available) - **Headquarters**: Şişli, İstanbul, Turkey - **Founded**: 2021 - **Founders**: Yalçın Özdemir (CEO), İbrahim Karahan (CTO), Saffet Arslan (CDO), Mustafa Ayten (COO) ## Core Business - **Primary industries**: Mobile application development, artificial intelligence, consumer software - **Target customers**: B2C – everyday consumers looking for AI‑powered photo/video editing, chatbot assistance, and home design tools - **Mission**: To bring cutting‑edge, AI‑driven technology into the hands of everyday people, unlocking endless possibilities [appnation.co](https://www.appnation.co/) ## Products & Services - **[Genie](https://www.appnation.co/)**: AI chatbot app that offers access to multiple large language models (ChatGPT, DeepSeek, Claude, Gemini, Grok) in a single interface – over 15 million downloads. - **[Fotorama](https://www.appnation.co/)**: AI‑powered photo and video generation app, recognized as a Top 10 AI Photo App worldwide in the Rise of AI Apps Report 2025 by AppFigures. - **[Arch](https://www.appnation.co/)**: AI‑powered home design tool that reached over 5 million downloads and ranked #1 design tool in more than 30 countries. ## Market Standing - **Valuation**: Not publicly available - **Key Metric**: Total app portfolio exceeds 40 apps; cumulative user base includes over 15 million downloads for Genie, 5 million for Arch, and millions of AI predictions/tokens processed daily [appnation.co](https://www.appnation.co/) - **Notable Investors/Partners**: Not publicly available - **Growth Signals**: Headcount expanded to 60+ team members (currently 69 total employees per Built In); consistent new app launches and feature updates (e.g., integrating DeepSeek into Genie in early 2025) [builtin.com](https://builtin.com/company/appnation) ## Competitive Advantages - **Platform approach**: Standardized app‑development platform that enables rapid prototyping and publishing of multiple AI‑driven apps. - **Multi‑model integration**: Genie aggregates five leading AI models, offering users a one‑stop chatbot experience. - **Category leadership**: Multiple apps rank among the top in their respective App Store categories (photo, design, AI assistant). ## Strategic Focus - Continue creating category‑defining AI mobile apps and expanding the technology platform that powers them. - Deepen integration of emerging AI models (e.g., DeepSeek) and strengthen the existing portfolio’s market position. ## Why Work Here - **Culture**: Described as a forward‑thinking, innovative team that constantly challenges itself and the limits of technology [appnation.co](https://www.appnation.co/careers). - **Work model**: Hybrid – open positions in İstanbul are listed as “Hybrid — Full‑time” on Lever; company also offers optional work‑from‑home days [jobs.lever.co](https://jobs.lever.co/appnation) [appnation.co](https://www.appnation.co/careers). - **Perks**: Competitive compensation, private health insurance, access to learning platforms, and a supportive work environment with “better‑than‑average” benefits [appnation.co](https://www.appnation.co/careers). ## Sources 1. [appnation.co](https://www.appnation.co/) – Company homepage with product details and latest updates 2. [appnation.co](https://www.appnation.co/about) – About page with founding story, founders, and timeline 3. [appnation.co](https://www.appnation.co/careers) – Careers page with perks and open positions 4. [jobs.lever.co](https://jobs.lever.co/appnation) – Active job listings showing hybrid roles 5. [builtin.com](https://builtin.com/company/appnation) – Company profile with employee count, office location, and culture summary ## Other roles at AppNation - [Software Engineer (Backend)](https://feeny.ai/job/software-engineer-backend-appnation-istanbul-q380gekfy4hm) — İstanbul, Turkey - [Senior Software Engineer (Backend)](https://feeny.ai/job/senior-software-engineer-backend-appnation-istanbul-yawyky7q1x4a) — İstanbul, Turkey - [Senior DevOps Engineer](https://feeny.ai/job/senior-devops-engineer-appnation-istanbul-c19ezy74d1db) — İstanbul, Turkey - [Senior IT Specialist](https://feeny.ai/job/senior-it-specialist-appnation-istanbul-7pr7wmz7e9ak) — İstanbul, Turkey - [Brand Manager](https://feeny.ai/job/brand-manager-appnation-istanbul-avvermpr7vcd) — İstanbul, Turkey - [Senior ASO & ASA Manager / Platform](https://feeny.ai/job/senior-aso-asa-manager-platform-appnation-istanbul-bwgv7vq067bw) — İstanbul, Turkey - [Marketing Manager](https://feeny.ai/job/marketing-manager-appnation-istanbul-kf8zw317tjdy) — İstanbul, Turkey - [Legal & Compliance Counsel](https://feeny.ai/job/legal-compliance-counsel-appnation-istanbul-k4h1xytv0dqs) — İstanbul, Turkey - [Senior Android Developer / Platform](https://feeny.ai/job/senior-android-developer-platform-appnation-istanbul-htqest900ba4) — İstanbul, Turkey - [QA Engineer](https://feeny.ai/job/qa-engineer-appnation-istanbul-gxk3jf5q0d1g) — İstanbul, Turkey