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iOS Engineer






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

Apply for the job

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