About Welltory

Welltory is one of the world's leading health monitoring applications with an audience of 11 million users, predominantly in the English-speaking market. Our mission is to help people better understand their condition and effectively take care of their health. To achieve this, we combine a scientific approach, biometric data processing, quality design, and UX at the level of popular consumer applications.

We strive to create a product that delivers value from the first minutes and becomes indispensable in the long term. To achieve this goal, we focus on personalization, dynamic content, and intuitive navigation.

Position Summary

We are looking for a strong and experienced iOS developer who will help us develop new product directions. We have several major new projects, so we are considering multiple candidates simultaneously. You will be able to choose the role that suits you best:

• Architectural coordinator role (code review, helping the team with architectural decisions, research and prototyping, platform development)
• Product technical leader role (working in a product team that creates a separate section in the application for managing long-term health parameters)
• Developer role in the platform team, which monitors the overall quality, speed, and optimization of the application

Key Competencies

• Product thinking: understanding user scenarios, ability to find a balance between technical capabilities and business goals
• Experience: 3+ years of commercial mobile application development with Swift
• SwiftUI: minimum 1 year of production work, understanding of interface building principles, animations, and effective use of SwiftUI in complex scenarios
• Architectural expertise: knowledge of architectural patterns (MVVM, Coordinator, Clean Architecture), experience in developing scalable modular applications
• Code quality: knowledge of clean code principles (SOLID, DRY, KISS), ability to write testable code, experience with automated tests (unit, UI tests) and CI/CD pipelines
• Network interaction: confident knowledge of REST API, experience with URLSession, Alamofire, or similar libraries
• Performance optimization: skills in multithreaded programming (GCD, OperationQueue) and working with local databases (SQLite)
• Analytics: understanding of key metrics (DAU, MAU, retention), ability to analyze data using analytics tools (Amplitude, Firebase)
• Teamwork: experience interacting with product managers, analysts, designers, and UX researchers

Advantages (not necessarily all together):

• Experience working with AI and recommendation systems