Role Description - 5+ years of software development experience in iOS mobile application development using multi-platform tools - React Native, ReactJS and AngularJS experience is a plus - Experience deploying mobile applications in both Apple Store / Google Play - Must be familiar with standard MVC architectures, strategy, abstract design patterns - Demonstrated ability to analyze technical requirements, develop well-structured code, delivered on time, with automated tests - Demonstrated ability to understand and develop challenging algorithms - A self-starter with a strong desire to learn new concepts - Thrive in a group environment - Ability to express ideas clearly both in written and oral communications - Work autonomously and checks-in as decisions are made, proactively identifying potential issues and escalating only when necessary - Solves problems creatively, with a keen desire to continually learn and grow, motivated by success - Experience in developing consumer facing mobile applications - Excellent at documenting architectural design - Must demonstrate excellent ability to communicate design ideas to cross-functional teams - Ability to quickly and accurately perform troubleshooting and repair of existing applications Company Description

Role Description As a Senior iOS Engineer , you will play a key role in developing and maintaining our mobile app, ensuring high performance, scalability, and a seamless user experience. You will collaborate closely with the product manager and fellow developers to bring new features to life and continuously optimize our app. Your expertise in Swift and iOS development best practices will be instrumental in driving innovation and maintaining our position as a leader in the App Store. - Develop and maintain a high-quality iOS application with a focus on performance, UI, and UX. - Take ownership of development processes, ensuring clean, maintainable, and scalable code. - Work with cross-functional teams to design, develop, and launch new features. - Implement CI/CD pipelines and deployment best practices. - Conduct code reviews and enforce coding standards. - Profile and optimize app performance (memory, launch time, rendering, battery). - Stay up to date with the latest iOS development trends and integrate relevant advancements. Qualifications - 5+ years of professional iOS development experience. - Experience with B2C mobile apps built on subscription business models. - Expert proficiency in Swift (protocol-oriented design, generics, value semantics, async/await, structured concurrency, actors). - Strong command of StoreKit 2 and subscription lifecycle: purchase flows, receipt/transaction validation, entitlement management, offer codes, and server-to-server notifications (with RevenueCat or a custom equivalent). - Deep understanding of UIKit and SwiftUI, including interoperability, when to use each, and SwiftUI state management (@State, @Observable, @Environment). - Solid grasp of architecture patterns (MVVM, Clean Architecture, Composable Architecture) and modularization for large codebases (SPM modules, feature isolation). - Experience with Combine and/or Swift Concurrency for reactive and async data flows. - Proficiency with CI/CD (Xcode Cloud, Fastlane, Bitrise, or GitHub Actions), Gitflow, code signing/provisioning automation, and TestFlight distribution. - Automated testing experience: XCTest, XCUITest, snapshot testing, and dependency injection for testability. - Strong debugging and profiling skills with Instruments (Time Profiler, Allocations, Leaks, Hangs). - Experience integrating AI-driven features and/or AI-assisted development workflows. - Familiarity with analytics, crash reporting, and A/B testing / feature-flag tooling. Requirements - Location: Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. Benefits - Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. - Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. - Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. - Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. - Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere.

Role Description Comcast Technology and Product Experience (TPX) is seeking an experienced iOS Developer to join the Connected Living Camera Client Engineering team. This group is responsible for customer-facing mobile application development for Comcast’s Home Security Camera product offerings. This includes the native iOS and Android Xfinity application, which primarily handles our cloud enabled Internet Gateway for millions of homes but is expanding to become Comcast’s primary mobile app with new features such as bill pay. We’re looking for an Android Engineer to join the Camera Client Squad and help build video and camera experiences used by millions of Xfinity customers. In this role, you’ll develop high-quality mobile features, collaborate across teams, and contribute to a modern Android codebase powering real-time streaming and device interactions. This is an ideal opportunity for engineers who enjoy building user-facing features, working with video technology, and contributing to scalable mobile architectures. What You’ll Do - Build and maintain Android features for camera and video experiences - Collaborate with product, backend, and device teams to deliver end-to-end solutions - Contribute to app architecture, design discussions, and technical decisions - Write clean, maintainable Kotlin code using modern Android frameworks - Improve app performance, reliability, and user experience - Debug and resolve production issues - Participate in code reviews and support a culture of continuous improvement Qualifications - 4+ years of professional Android development experience - Strong proficiency in Kotlin - Experience integrating RESTful APIs - Familiarity with MVVM or similar architecture patterns - Solid debugging and problem-solving skills - Ability to work effectively in a collaborative team environment Preferred Qualifications - Experience with video playback or streaming (e.g., ExoPlayer, HLS, WebRTC, RTSP) - Familiarity with Jetpack Compose and modern Android development tools - Understanding of Android permissions, privacy, and app lifecycle - Experience building or maintaining large-scale consumer applications How we work - Squad-based development model with close collaboration across Android and iOS teams - Regular design reviews and guild meetings to align on architecture and best practices - Strong onboarding program with clear 30-, 60-, and 90-day goals - Emphasis on learning, growth, and knowledge sharing Why Join Us - Build experiences used by millions of customers every day - Work on real-time video and camera technologies - Collaborate with a highly engaged and supportive mobile engineering community - Contribute to a modern, evolving Android platform Benefits - Medical & Dental - 401(k) Savings Plan - Generous paid time off - Life Milestones - from adoption assistance, childcare resources, pet insurance, and more - Courtesy Services - free digital TV and internet for full-time employees in serviceable areas - Discount tickets for Universal Resorts, including theme park tickets and on-site hotel rooms Education - Bachelor's Degree (preferred) - Comcast may consider applicants with a combination of coursework and experience, or extensive related professional experience Relevant Work Experience - 5-7 Years

• Build and ship high-quality native iOS features using Swift. • Develop intuitive mobile experiences across insurance, payments, claims, renewals and financial services. • Work closely with product managers, designers and backend engineers to simplify complex user journeys. • Integrate backend APIs and ensure mobile applications remain stable, scalable and reliable. • Continuously improve application performance, crash rates, loading speed, responsiveness, memory usage and battery efficiency. • Use analytics, production insights and user feedback to continuously improve product quality. • Build AI-assisted mobile experiences where they create meaningful value for users. • Contribute to engineering standards, code reviews and continuous improvement across the native iOS platform.