Senior IOS Engineer

🚀 Who we are?

Welcome to Welltech—where health meets innovation! 🌍 As a global leader in the Health & Fitness industry, we’ve crossed over 200 million installs with five life-changing apps, all designed to boost well-being for millions. Our mission? To transform lives through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys—all powered by a diverse team of over 700 passionate professionals with presence across 5 hubs.

Why Welltech and why now?

Imagine joining a team where your impact on global health and wellness is felt daily. At Welltech, we strive to be proactive wellness partners for our users, while continually evolving ourselves to push the boundaries of what’s possible.

Today we are embarking on a journey to reshape our product into a highly personalized, coach-like experience that provides holistic care to our users across all aspects of wellness and fitness. It’s a greenfield opportunity to try to disrupt the wellness & fitness industry. We are looking for product minded, impact-driven engineers to join us on this journey.

What We’re Looking For

Key responsibilities:

• Design and evolve scalable and reusable mobile infrastructure, tooling, and shared components to accelerate development across all mobile apps in the Welltech portfolio

• Build and maintain libraries, SDKs, CI/CD pipelines, tooling, etc. to improve developer experience and apps reliability

• Partner closely with product engineering teams to understand their needs and drive adoption of platform solutions

• Drive architecture and technical standards across product engineering teams, advocating for clean abstractions, modularization and testability by design

• Lead by example through hands-on coding, documentation, and mentoring

• Identify common problems across apps and solve them in a consistent, scalable way

• Ensure high-quality, testable, and performant code across the shared mobile platform and tooling

• Collaborate cross-functionally with backend, frontend, security, and infrastructure teams to enable seamless integration and platform alignment

Required skills:

• Deep expertise in iOS development with a strong grasp of Swift, including concurrency, networking, persistence, and performance optimization

• Strong experience with TCA and composable, modular UI architectures

• Excellent understanding of architectural patterns (MVVM, MVI, DI) and modular codebases

• Proven ability to craft clean, maintainable, and scalable code

• Strong ability to design for reliability, scalability, and performance

• Track record of building internal tools, shared components, or platform features at scale

• Strong advocate of technical patterns and solutions that optimize for experimentation speed (e.g. modularization, high cohesion/low coupling)

• Strong experience with CI/CD best practices and tooling (e.g. Bitrise, Fastlane, custom pipelines)

• Experience implementing and advocating for methodologies that support fast iteration and high dev productivity (e.g. eXtreme Programming, Trunk Based Development, CI/CD mindset, BDD, TDD)

• Strong advocate of design for testability, automated testing, and shift-left quality mindset

• Passion for developer experience and enabling teams to move faster and safer

• Product-minded approach with a bias for pragmatic, maintainable solutions

• Ability to influence without formal authority and communicate clearly across teams

Nice to have:

• Experience with backend development

• Experience with backend-driven UI

• Hands-on experience with OWASP mobile security best practices

Candidate journey: ⭕️ Recruiter call --> ⭕️ Meet a Hiring Manager--> ⭕️ Skills assessment--> Live coding

✨ Why You’ll Love Being Part of Welltech:

• Grow Together: Join a culture that champions both personal and professional growth. Here, you’ll thrive as we learn, evolve, and succeed together.

• Lead by Example: No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.

• Results-Driven: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day.

• We Are Well-Makers: Be part of a movement that’s creating a healthier, happier world. Together, we make well-being a reality!