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iOS Engineer at Lumosity
San Francisco, CA, US
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 promotion from within is encouraged
Competitive health benefits (medical, dental, vision)
Flexible PTO — take the time off when you need it
Equinox gym reimbursement (or $ towards the gym or classes of your choice)
Catered lunch 4 times a week, fully stocked kitchen & snacks, and dinner if you work late
Weekly happy hours and bi-monthly movie nights
Game room with Smash tournaments, tons of board games, ping pong, chess, and Legos
Team off-sites (past excursions include archery, rafting, indoor skydiving)
Company-wide Hackathons where top ideas are fast-tracked
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