Senior iOS Engineer
Welltech
Job Summary
Welltech is seeking a Senior iOS Engineer to join their team and contribute to a greenfield product in the Health & Fitness industry. The role involves shaping and co-owning the codebase, driving user needs into end-to-end solutions, and contributing to the system design of the overall product. The engineer will collaborate with cross-functional teams, support colleagues, and work with a modern technology stack including Swift and SwiftUI. The ideal candidate will have a strong product and business mindset, proven experience in iOS development, and a passion for creating impactful, customer-centric products. Welltech fosters a culture of growth, leadership, results-driven achievements, and creating a healthier world through their innovative wellness apps.
Must Have
- Proven impact building new/refactoring large scale products
- Strong product & business mindset
- Experience driving successful products with PMs, Designers
- Relevant iOS development experience
- Ability to choose right tools, learn new tech
- Manage risks, trade-offs, propose solutions
- Advocate for testability, automated tests, shift left
- Learn fast, collaborate cross-functionally, communicate effectively
- Understand OO, functional, declarative paradigms, design patterns
- Strong experience with TCA and composable UI architectures
- Craft clean, maintainable code
- Design for reliability and scalability
- Strong grasp of Swift (concurrency, networking, etc.)
- Experience building complex UIs with SwiftUI
- Implement methodologies for fast iteration (XP, CI/CD, TDD)
- Advocate for patterns optimizing experimentation pace
- Great command of English
Good to Have
- Knowledge of animation libraries (Core Animation, Lottie, SwiftUI animations)
- Experience with backend development
- Experience with data and/or multimedia
Perks & Benefits
- Grow Together: Culture champions personal and professional growth
- Lead by Example: Empowered to inspire and make an impact
- Results-Driven: Focus on achieving meaningful outcomes
- We Are Well-Makers: Create a healthier, happier world
Job Description
🚀 Who we are?
Welcome to Welltech—where health meets innovation! 🌍 As a global leader in Health & Fitness industry, we’ve crossed over 220 million installs with life-changing apps, all designed to boost well-being for millions. Our mission? To improve the health of millions of people through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys—all powered by a diverse team of over 700+ passionate professionals with a 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:
Shape and co-own codebase of a greenfield product as a member of a cross-functional product-engineering team
Drive turning user needs into solutions end-to-end, from product discovery to supporting our code running in production
Drive design and development of a greenfield mobile app, and contribute significantly to the system design of the overall product
Be a trusted partner for product, design, data and other functions, as well as other teams
Support growth of your team and colleagues
Work with and contribute to a modern technology stack with Swift, SwiftUI
Collaborate with other Engineers to constantly push the boundary of technical excellence across iOS and beyond
Implement cool ideas and have impact on millions of users in a customer-centric environment with high degree of ownership
Required skills:
Proven impact building new and/or refactoring existing large scale customer-facing products
Very strong product & business mindset. Proven ability to drive building of successful products working closely with Product Managers, Designers, Domain experts
Relevant experience in iOS development in companies that required a strong product mindset
Ability to choose the right tool for each challenge, learn new tools and technologiesÂ
Ability to manage risks, trade-offs and propose efficient solutions
Strong advocate of design for testability, automated tests, shift left and willingness to work in an environment where engineers own the quality end-to-end
Ability to learn fast, collaborate cross-functionally and communicate effectively
Great understanding of object-oriented, functional and declarative paradigms, design patterns and architectures such as MVVM/MVI, DI
Strong experience with TCA and composable, modular UI architectures in general
Ability to craft clean, maintainable code
Strong ability to design for reliability and scalabilityÂ
Strong grasp of Swift including concurrency, networking, persistence, performance optimization
Experience building complex, dynamic, and interactive UIs with SwiftUI
Experience implementing and advocating for methodologies that allow fast iterations and maximise developer productivity, such as eXtreme Programming, Trunk Based Development, CI/CD mindset, BDD, TDD
Strong advocate of technical patterns and solutions that optimise for pace of experimentation (e.g. backend-driven UI architecture, modularization, high cohesion/low coupling)
Great command of English
Nice to have:
Knowledge of libraries, tools and approaches for building beautiful animations: Core Animation, Lottie, SwiftUI animations etc
Experience with backend development
Experience with data and/or multimedia
Candidate journey: â•️ Recruiter call --> â•️ Meet a Hiring Manager--> â•️ 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!
Check out some of our productsMuscle Booster — https://musclebooster.fitness/Â
Yoga-Go — https://yoga-go.io/Â
WalkFit -http://walkfit.pro