Senior iOS Engineer II - Location Engine at Life360

About Life360 Life360’s mission is to keep people close to the ones they love. Our category-leading mobile app and Tile tracking devices empower members to protect the people, pets, and things they care about most with various services, including location sharing, safe driver reports, and crash detection with emergency dispatch. Life360 serves approximately 91.6 million monthly active users (MAU), as of September 30, 2025 across more than 180 countries. Life360 delivers peace of mind and enhances everyday family life with seamless coordination for all the moments that matter, big and small. By continuing to innovate and deliver for our customers, we have become a household name and the must-have mobile-based membership for families (and those friends who are basically family). Life360 has more than 500 (and growing!) remote-first employees. For more information, please visit life360.com. Life360 is a Remote First company, which means a remote work environment will be the primary experience for all employees. All positions, unless otherwise specified, can be performed remotely (within the US & Canada) regardless of any specified location above. About the Job As an iOS engineer on the Life360 Location Platform team, you will play a key role in making location an even more engaging and delightful part of our members’ lives. Since location is a core component of the Life360 app, you'll be expected to develop deep expertise in location technologies, along with related aspects of the mobile stack such as battery consumption and performance optimization. In this role, you'll be highly involved in architecting, designing, and leading the development of the next generation of our core location systems and features. Your contributions will directly shape how millions of people experience location within the Life360 ecosystem. The US based salary range for this position is $148,000 to 216,500. The Canada-based salary range for this position is 171,500 to 201,000 CAD. Note: Please be aware that the job title for positions in Canada will be "Developer" in lieu of "Engineer." We take into consideration an individual's background and experience in determining final salary- therefore, base pay offered may vary considerably depending on geographic location, job-related knowledge, skills, and experience. The compensation package includes a wide range of medical, dental, vision, financial, and other benefits, as well as equity. What You’ll Do • Contribute to technical design specifications. • Taking ownership of features from conception to deployment. • Foster collaboration and best practices in the team across multiple projects. • Work with a cross-functional team and collaborate closely with design, back-end engineering, marketing, data science, and product. • Design and maintain location-specific features and experiments for iOS. • Create foundational automation workflows that lead to better product quality and reliability. • Opportunity to be on the leading edge of making Location more delightful to Life360 members on a high-visibility team. • Roadmap innovative features to bring families closer together through contextual awareness, improved geolocation, and better communication • Identify and work on key improvements to make the app more scalable What We’re Looking For • Strong iOS development experience • Expert knowledge of Swift and familiarity with iOS frameworks and APIs. • A deep understanding of the iOS app lifecycle. • Experience with location technologies like Core Location, Geofencing, and motion tracking, as well as familiarity with the device's other sensors (accelerometer, magnetometer, etc.), would be an added plus. • A performance-first mindset • Understanding of mobile-specific concerns like battery usage, background execution, and the system constraints that govern them. • Strong understanding of software architecture principles and experience in making codebases more testable • A Passion for Quality • We want someone who will take the craftsmanship of their work seriously and strive to improve the areas they work in continually. • Pioneer new test strategies via automation to enhance the reliability and efficiency of our testing processes. • Proven experience in developing and implementing automated test strategies • Strong collaboration skills • The ability to work across multiple functions like engineering, product, and data science. • Strong communication • Will communicate with multiple teams, including both systems and product teams • At times, may need to communicate with external partners • Strong debugging skills • Many problems in the sensor frameworks require understanding hard-to-pinpoint and non-reproducible problems. • Identify and correct bottlenecks and fix bugs to improve application performance and responsiveness. • Problem-solving • We will be solving problems that do not have clear solutions with limited resources available online. • Drive to level up • Conduct code reviews and mentor junior engineers to promote best practices and improve code quality. • Work closely with product managers, designers, and engineers to define, design, and ship new features and test strategies. • Bachelor's Degree or equivalent experience Bonus • Familiarity with data analytics and marketing tools • Familiarity with networking and persistence technologies • Familiarity with reactive programming, RxSwift, or combine • Familiarity with developing highly polished user interfaces and animations • Familiarity with all levels of automated testing Our Benefits • Competitive pay and benefits • Medical, dental, vision, life and disability insurance plans • 401(k) plan with company matching program • RRSP plan with DPSP company matching program • Employee Assistance Program (EAP) for mental well being • Flexible PTO, several company wide days off throughout the year • Winter and Summer Week-long Synchronized Company Shutdowns • Learning & Development programs • Equipment, tools, and reimbursement support for a productive remote environment • Free Life360 Platinum Membership for your preferred circle • Free Tile Products Life360 Values Our company’s mission-driven culture is guided by our shared values to create a trusted work environment where you can bring your authentic self to work and make a positive difference. • Be a Good Person - We have a team of people with high integrity who you can trust. • Be Direct With Respect - We communicate directly, even when it’s hard. • Members Before Metrics - We focus on building an exceptional experience for families. • High-Intensity High Impact - We do whatever it takes to get the job done. Our Commitment to Diversity We believe that different ideas, perspectives, and backgrounds create a stronger, more creative work environment that delivers better results. Together, we continue to build an inclusive culture that encourages, supports, and celebrates the diverse voices of our employees. It fuels our innovation and connects us closer to our customers and the communities we serve. We strive to create a workplace that reflects the communities we serve and where everyone feels empowered to bring their authentic best selves to work. We are an equal-opportunity employer and value diversity at Life360. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any legally protected status. We encourage people of all backgrounds to apply. We believe that a diversity of perspectives and experiences creates a foundation for the best ideas. Come join us in building something meaningful. Even if you don’t meet 100% of the qualifications below, you should still seriously consider applying! #LI-Remote ____________________________________________________________________________