Design, build, and refine complex iOS applications and dynamic user interfaces. Contribute across the full software lifecycle, collaborate with mobile leadership, and shape mobile strategy and best practices.
Welcome to Fi.
We’re a passionate team from Square, Google, TikTok, Peloton, Uber, and more working to transform the human-pet relationship. Our mission? Develop cutting-edge technology to revolutionize what it means to be a pet parent. The pet industry remains firmly stuck in the past and we are here to change that. Fi is leveraging our team's talent and expertise to improve the lives of millions of pets in the U.S. Real-time location tracking, activity, sleep and behavior monitoring – and that's just the beginning.
The most exciting aspect of our work? Bridging the communication gap between pets and humans. Imagine a world where everyone knows how their pet feels in real time and how to keep their best friend in good shape. That's the future we're building at Fi.
If you're someone who thrives in innovative, collaborative work environments and feels strongly about helping pets live longer, better lives, Fi could be the perfect fit. Join us in our pursuit of the “impossible,” or as we call it here “let me find a way,” to redefine the future of pet ownership together.
Fi is looking for a Senior Mobile Software Engineer - iOS!
Fi is looking for a Senior Mobile Software Engineer - iOS to design and build dynamic, cutting-edge product experiences that redefine the pet-tech industry. This role is a unique opportunity to work with a talented, lean team, contributing directly to the development of innovative consumer-facing applications from the ground up.
If you’re excited to transform ideas into reality, develop complex interfaces, and work on a renowned consumer product, this role is for you.
What You’ll Do:
- Collaborate with the Director of Mobile and the engineering team to design, build, and refine innovative iOS applications.
- Develop complex and dynamic user interfaces, ensuring seamless functionality and an exceptional user experience.
- Contribute to the full software development lifecycle, from design and implementation to production and maintenance.
- Play a key role in shaping Fi’s mobile development strategy and best practices.
What You’ll Bring:
- 6+ years of experience as a mobile engineer, with a proven track record of delivering exceptional software.
- Expertise in Swift/SwiftUI and familiarity with Auto Layout for dynamic interface design.
- Experience contributing to the development of a successful consumer product.
- Strong problem-solving skills and a passion for creating user-friendly mobile experiences.
Why You’ll Love Us:
- Time to Recharge: Enjoy flexible PTO to take the breaks you need.
- Top-Notch Health Coverage: We’ve got your back (and teeth and eyes) with full medical, dental, and vision insurance.
- Wellness Perks: Free access to One Medical, Kindbody, and Talkspace to keep you feeling your best.
- Dog-Friendly Office: Bring your pup to work — they’re part of the team, too.
- Give Back to the Pups: Make tails wag with a $500 annual donation to a dog charity of your choice through our BarkBack Program.
- Free Fi Membership: Your furry best friend(s) get all the benefits of a Fi collar, on us!
- Love for Friends + Family: Share the Fi magic with loved ones through our gifting program.
Fi is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. This policy applies to all employment practices within our organization, including hiring, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. Fi makes hiring decisions based solely on qualifications, merit, and our needs at the time.
Top Skills
Auto Layout
iOS
Swift
Swiftui
Similar Jobs
Retail • Sports
The Senior Software Engineer will develop and maintain mobile applications for DICK'S Sporting Goods and Golf Galaxy, collaborating with cross-functional teams and delivering high-quality code while mentoring junior developers.
Top Skills:
CombineCoredataJSONSwiftSwiftuiXctest
Fitness
Looking for a Senior iOS Software Engineer to enhance our mobile app for user experience. Requires expertise in Swift and shipping high-quality features.
Top Skills:
CombineSwiftSwiftui
eCommerce • Mobile • Payments
The Senior Client Partner Director will lead high-value client relationships, execute long-range account plans, drive transformational growth through partnerships, and manage strategic negotiations.
Top Skills:
Google SuiteLookerSalesforce
What you need to know about the Seattle Tech Scene
Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
Key Facts About Seattle Tech
- Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Amazon, Microsoft, Meta, Google
- Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
- Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Madrona, Fuse, Tola, Maveron
- Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute


