Senior iOS Engineer

2 Months ago • All levels • Mobile Development

Job Summary

Job Description

Welltech, a global leader in the Health & Fitness industry with over 220 million installs, is seeking a Senior iOS Engineer. The role involves shaping and co-owning the codebase of a greenfield product within a cross-functional team. Responsibilities include driving the end-to-end development of a new mobile app, contributing to system design, and collaborating with product, design, and data teams. The engineer will work with a modern tech stack including Swift and SwiftUI, and contribute to technical excellence across iOS. This is an opportunity to implement innovative ideas and impact millions of users in a customer-centric environment with a high degree of ownership.
Must have:
  • Proven impact building new/refactoring large customer-facing products
  • Strong product & business mindset
  • Relevant iOS development experience
  • Ability to choose right tools and learn new tech
  • Ability to manage risks and propose solutions
  • Advocate of testability and automated tests
  • Ability to learn fast and collaborate cross-functionally
  • Understanding of OO, functional, declarative paradigms, design patterns, architectures (MVVM/MVI, DI)
  • Strong experience with TCA and composable, modular UI architectures
  • Ability to craft clean, maintainable code
  • Strong ability to design for reliability and scalability
  • Strong grasp of Swift (concurrency, networking, persistence, performance)
  • Experience building complex UIs with SwiftUI
  • Experience with methodologies for fast iterations (XP, Trunk Based Development, CI/CD, BDD, TDD)
  • Advocate of technical patterns optimizing pace of experimentation
  • 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:
  • Grow Together: Culture champions personal and professional growth
  • Lead by Example: Empowered to inspire and make an impact
  • Results-Driven: Focused on achieving meaningful outcomes
  • We Are Well-Makers: Part of a movement creating a healthier, happier world

Job Details

🚀 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 technologies 

  • 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 scalability 

  • 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: ⭕️ 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!


    Check out some of our products

    Muscle Booster — https://musclebooster.fitness/ 

    Yoga-Go — https://yoga-go.io/ 

    WalkFit -http://walkfit.pro

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About The Company

Welcome toWelltech—where health meets innovation! 🌍 As a global leader inHealth & Fitness industry, we’ve crossed over220 million installswith 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 over700+ passionate professionals with a presence across 5 hubs.Why Welltech?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.

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