Senior iOS (Swift, Metal) Developer

Required minimum work experience: 5 years

FaceApp is a global innovator in portrait perfection - blending advanced neural network technology with ease of use. Our team has leading expertise in machine learning and mobile interfaces, and our goal is to make mobile photography readily accessible to all mobile users beyond those with artistic professional skills. Our mission is to create the best yet easy-to-use selfie and portrait editor. Our workplace is a creative environment for developing high-quality products. We are looking for like-minded people who are ready to join our friendly and passionate team in Limassol (Cyprus).

FaceApp is the most popular selfie editing app and the top app with more than 1B+ downloads. It offers a fantastic set of highly photorealistic filters with “simple for you and complicated in the background” photo processing achieved via single taps. The app is available in 34 languages for free and as a subscription on iOS and Android devices.

We really appreciate our team and the relationships within it, and we hope that you, too, know how to build work in the key of a trusting and friendly atmosphere.

A few facts about us:

• TOP app at 154 countries for iOS and at 99 countries for Android (including the USA, Great Britain, EU, Brazil, South East Asia);
• App of the Year at App Store and Google Play;
• State-of-art technology photo editing.

If you are tech-savvy, ready to learn and grow as a professional - the FaceApp team is waiting for you! Now we are looking for an experienced Senior iOS Developer.

About the Opportunity

You will join a small, technically strong team building one of the world’s best selfie-editing applications. As a key iOS developer, you will take ownership of critical parts of the product — from low-level graphics processing to app architecture, performance, and releases.

The Impact You’ll Make

As a Senior iOS Developer, you will develop and improve photo and video processing algorithms, create new feature effects, and enhance quality and performance for millions of users.

Core Responsibilities

• Designing and implementing app features, including photo processing, GPU rendering (Metal), and integration with the ML stack;
• Profiling and optimization to reduce memory and CPU usage on devices of all generations;
• Defining and applying best practices in architecture, code quality, and testing;
• Collaborating with backend, ML, QA, design, and product teams;
• Nice to have: experience with Metal shaders and GPU-based computation.

Technical Requirements

Essential

• A degree in Mathematics, Computer Science, or a related field (ML is a plus);
• Expert-level knowledge of Swift 6, UIKit, and extensive experience with Xcode;
• Deep understanding of multithreading (async/await, GCD, OperationQueue, Combine, Actors);
• Strong grasp of mobile design patterns;
• Experience with client-server communication (REST, WebSockets);

System Design & Architecture

• Ability to design modular, testable code;
• Knowledge of memory management strategies, caching, and UI lag minimization.

Nice to Have

• Experience with Core ML, Vision, OpenGL, OpenCV;
• Hands-on experience with Metal, graphics, and GPU programming;
• Background in mobile analytics, A/B testing, metrics;
• Experience working on high-load applications.

Why work at FaceApp?

• Above market wages, formal employment and white wages;
• Cozy office with sea view;
• Health insurance;
• Compensation of costs for professional literature;
• Sports compensation;
• Compensation for the purchase of a mobile phone (once a year, 50% of the cost is compensated);
• Flexible start of the working day;
• Relocation to Cyprus (Limassol) is required for this role;
• Comfortable working conditions, a positive atmosphere, an open, informal corporate culture, and a friendly team;
• An excellent opportunity, together with a professional team, to solve interesting and complex problems, to create a product that is used by millions of people.