Lumosity is hiring an

iOS Engineer

San Francisco, United States
Lumosity is a brain training program with over 85 million users and 4.4 billion games played. In addition to improving Lumosity, we’re also creating new products that combine science, engineering and design to help people form better sleep habits, practice mindfulness, and more.

Are you passionate about helping people through software? Do you love iOS development? Join the Lumosity iOS engineering team! We are looking for more great engineers to help us make Lumosity for iOS one of the best apps on the App Store


  • Create engaging new experiences that help people sleep better, improve their mindfulness, and train their brain
  • Evolve the application architecture to make the codebase more flexible, durable, and testable
  • Strengthen our testing, automation, and tooling so we can move more quickly and confidently


  • Passion for the user interface
  • Experience working with UIKit, Autolayout, Core Animation, and friends
  • 2+ years of strong Objective-C professional experience
  • Solid familiarity with the tools of the trade: Xcode, Instruments, etc.
  • Strong analytical and debugging skills
  • Dedication to engineering excellence
  • Enthusiasm for collaboration with designers, product managers, server engineers, and other iOS engineers
  • Experience shipping solid iOS apps to tens of thousands of users


  • Serious understanding of object-oriented design, design patterns, and application architecture
  • Expertise in Store Kit or Core Data
  • Advanced experience in functional & unit testing
  • Cool graphics & animation abilities
  • Cutting-edge knowledge of Swift and Objective-C interoperability
  • Hard-won experience on other native, non-iOS platforms


  • A collaborative culture where growth from within is encouraged
  • Regular creative learning sessions, skill shares, forums, guest speakers, and workshops
  • Continuous learning budget for conferences, professional and skill development
  • Competitive benefits (options for individual and/or family medical, dental and vision plans, commuter benefits, parental leave, One Medical membership and much more!)
  • 4 weeks of paid-time off to rest, recharge and spend time with those you hold dear
  • Gym and cell phone reimbursement
  • Catered lunch 4 times a week, fully stocked kitchen & snacks, and dinner when you work late
  • Fun social events such as board game nights, work anniversary celebration, weekly happy hours, and quarterly company-wide events
  • Team lunches and off-sites (past excursions include creative retreats, cooking classes, escape rooms, and terrarium building)
  • We recognize family is important, we host a Bring Your Child to Work Day as well as other kid-friendly offsite events
  • We empower employees to give back to our community and our CSR team hosts volunteer events year round