Staff iOS Software Engineer, Duolingo

$174.3-354k

Actual salary may vary based on level, work experience, performance, and other factors evaluated during the hiring process

iOS

Swift

Cocoa Touch

Senior and Expert level

New York

Language education platform

Job no longer available

Language education platform

1001+ employees

B2CEducationLanguagesLearningSaaS

Job no longer available

$174.3-354k

Actual salary may vary based on level, work experience, performance, and other factors evaluated during the hiring process

iOS

Swift

Cocoa Touch

Senior and Expert level

New York

1001+ employees

B2CEducationLanguagesLearningSaaS

Company mission

To give everyone access to a private tutor experience through technology, making learning fun and providing universal access to language education.

Job

Company

Role

Who you are

A Bachelor’s degree in Computer Science or a related technical field
A solid foundation in computer science with strong competencies in data structures, algorithms, and software design
Programming experience in Swift

Desirable

8 years of programming experience in Swift
Strong technical knowledge of iOS mobile application development for iPhone/iPad using Swift with Cocoa Touch and related frameworks
Experience designing clean and maintainable APIs
Experience with multithreaded programming
Experience writing unit tests and testable code
Knowledge of iOS SDK performance tools and optimization techniques

What the job involves

Collaborate on software projects with product design and backend aspects
Develop, release, and maintain native iOS applications, primarily in Swift
Mentor and set technical direction for junior engineers across the company
As an iOS engineer in the Monetization Area, you will work on our premium subscriptions—Super Duolingo and Duolingo Max—the key revenue drivers behind our business
Your contributions will touch packaging, pricing, and hooks for our subscriptions, and game mechanics such as Hearts and Gems
We're seeking engineers who are passionate about bottom-line business impact, and who bring fresh insights and a creative technical approach
The Monetization Area focuses on Duolingo's key business drivers—subscriptions, ads, and in-app purchases
Our area's goal is to build the best premium experiences for our learners while ensuring the sustainability and success of our business model
You will play an instrumental role in the strategic direction of Duolingo by developing and refining the methods that make our monetization efforts more effective and efficient

Our take

Duolingo is a free to use language learning app, offering 100+ courses in more than 40 languages. It is the most downloaded education app in the history of the App Store and has previously been awarded Apple's iPhone App of the Year and Android's Best of the Best.

With over 500 million registered users, the company has unprecedented data insights on how people learn. Its team of language learning scientists, machine learning engineers, and AI experts use this data to constantly improve its effectiveness.

Alongside language courses, the company has created the Duolingo English Test which is an affordable and convenient language certification option accepted by more than 2,000 universities and institutions worldwide. Since its 2021 IPO, Duolingo has shown strong momentum. And regular changes to the app have brought increased user engagement, retention and stronger conversion.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

Top investors

54% female employees

15% employee growth in 12 months

Glassdoor (4.1)

Company

Funding (last 2 of 8 rounds)

Nov 2020

$35m

LATE VC

Apr 2020

$10m

LATE VC

Total funding: $183.3m

Company benefits

Medical, dental, and vision for employees as well as eligible partners and dependents
Mental health benefits such as therapy sessions and coaching to support you to be your best self
Fertility benefits to support your family planning journey
Fully paid parental and adoption leave
Fully paid subscription to Care.com and paid backup days for dependents and your fur family
401(k) with generous match and immediate vesting
20 days of paid time off, with two additional weeks off for winter break
First-time home buyer bonus (in Pittsburgh)
Competitive salaries and equity
Yearly stipend for professional development
Transportation reimbursement for however you get to work
Lunch prepared daily by our in-house chefs
Annual international retreat for all full-time employees
Monthly events celebrating our team and their amazing work
On-site gym and massages
Game room for taking brain breaks

Company HQ

East Liberty, Pittsburgh, PA

Leadership

Luis von Ahn

(CEO & Co-founder)

Professor at Carnegie Mellon University and founder of CAPTCHA and reCAPTCHA sold to Google.

Severin Hacker

(CTO & Co-founder)

PhD in computer science from Carnegie Mellon University.

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