Software Engineer III, iOS

At MyFitnessPal, we believe good health starts with what you eat. We provide tools, resources, and support to enable users to reach their health goals.

We are looking for a Software Engineer III, iOS to join the MyFitnessPal Cal AI team. Our users rely on the Cal AI iOS app to power their health and fitness journeys every day. As a member of our Cal AI Engineering team, you’ll have the opportunity to positively impact those users with your expertise in the iOS development ecosystem. In addition to technical expertise, your teammates value collaboration, mentorship, and inclusive environments.

About the Team:

Cal AI is our AI-powered food logging experience, helping users effortlessly track their nutrition through meal scanning, smart suggestions, and personalized insights.

What you’ll be doing:

• Work closely with our creative design and user interface team to implement native mobile interfaces according to the iOS Human Interface Guidelines
• Continually improve the user experience by analyzing and optimizing UI, data storage, and network communications
• Independently build and deliver high-quality features and improvements
• Research and implement high-quality technical solutions to attain business goals that will benefit our continually growing user base
• Provide thought leadership on industry best practices around design, testing, security, and deployment
• Coach team members to increase the success of the team as a whole
• Work closely with your cross-functional product engineering team to solve problems
• Turn big ideas into simple, elegant solutions

Qualifications to be successful in this role:

• 4+ years of relevant work experience
• Applicable experience building applications in Swift for the iOS platform within an Agile environment
• Experience writing unit tests and testable code
• Experience with multithreaded programming
• Comfort working with RESTful APIs
• Substantial experience with Git in a team environment
• Experience working with a relational database
• Past usage of at least one package manager
• Some experience with CI/CD
• Enjoy working in a collaborative team environment
• Excellent communication skills
• Excited about the opportunity to mentor junior developers
• Demonstrate kindness and empathy

Bonus Points:

• Experience migrating a large legacy codebase to modern standards
• Experience using a functional reactive programming framework (RxSwift, Combine, etc)
• Experience using SwiftUI

Values you’ll model:

• Be Kind and Care — build with empathy; assume positive intent; support teammates and members.
• Live Good Health — champion healthy habits and balance in how we work and what we ship.
• Be Data-Inspired — ground decisions in research and data; measure what matters.
• Champion Change — lean into ambiguity; iterate, learn, and improve continuously.
• Leave it Better than You Found It — raise quality, clarify systems, and document as you go.
• Make It Happen — bias to action; deliver impact with craft and accountability.