Senior IOS Engineer

Who Are We?

Welltech is a global wellness technology company with Ukrainian roots. Our mission is to build and scale wellness apps globally through state-of-the-art, tech-driven performance marketing. We are one of the most established players in the wellness app space, and we are accelerating. Over 25.5 million people across the world use our apps — Muscle Booster, Yoga-Go, and WalkFit — to build healthier habits, move more, and feel better every day. Every subscription represents a real person making a real change in their life, and we take that seriously. With 500+ people across hubs in Cyprus, Ukraine, Poland, Spain, and the UK, we combine the scale of a market leader and the drive of a team that's just getting started.

What We're Looking For?

As a Senior iOS Engineer, you will play a pivotal role in crafting the future of our iOS application, leading the development and maintenance of core systems while mentoring a talented team of engineers. We value technical excellence, a passion for creating exceptional user experiences, and the ability to inspire those around you.

Key Responsibilities

• Architect & Innovate: Design, develop, and maintain new features and systems that elevate the user experience.
• Own Your Domain: Take full responsibility for the performance, reliability, and scalability of the systems your team owns.
• Craft Quality Code: Write clean, modular, and well-documented code that seamlessly integrates with other components.
• Champion Performance: Continuously optimize the app for speed, efficiency, and security.
• Lead & Inspire: Guide and mentor fellow engineers, cultivating a collaborative and growth-oriented environment.
• Stay Ahead: Keep up with the latest iOS technologies, trends, and best practices to ensure our app remains cutting-edge.
• Collaborate Seamlessly: Partner with product managers, designers, and other engineers to create intuitive, performant, and accessible experiences.
• Test & Validate: Write comprehensive unit and integration tests, and promote rigorous testing practices throughout the team.
• Align with the Vision: Work closely with product management to refine requirements and ensure features align with business goals.
• Curiosity & Growth: Actively seek diverse perspectives, ask questions, and embrace feedback.
• Build the Team: Participate in the hiring process to attract and select top-tier talent.
• Ensure Production Readiness: Own the launch and post-launch performance of your systems.

Required Skills

• 5+ years of commercial iOS development experience, preferably in a product-driven company.
• Expert-level Swift and SwiftUI proficiency.
• Deep understanding of UIKit and essential CocoaTouch APIs.
• Proven experience integrating RESTful APIs into client-server applications.
• Familiarity with architectural patterns like MVP, MVVM, MVC, UDF, and Clean.
• Skilled in code testing, performance optimization, and memory leak debugging.
• Hands-on experience with in-app purchases, Notification Extensions, and HealthKit.
• Strong understanding of CI/CD pipelines and experience with tools like Bitrise or Fastlane.
• Demonstrated leadership and mentorship skills.
• Experience leading cross-functional projects or initiatives.
• Excellent communication and collaboration skills.
• Upper-Intermediate English proficiency.

Nice to Have

• Practical experience with TCA and a solid understanding of TCA architecture.

Candidate Journey

• Recruiter call
• Meet a Hiring Manager
• Skills assessment
• Meet the Leadership team