or apply directly on Duolingo's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 62 days Duolingo's roles stay open a median of 55 days
- Reposted
- No
- Salary listed
- No 0% of Duolingo's roles list one
- Ghost-job risk at Duolingo
- high 58 stale, 6 reposted of 89 open
- Hiring momentum
- 119 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-04
Measured from postings appearing on and disappearing from Duolingo's own greenhouse board since 2026-08-03. Full hiring picture for Duolingo.
About this role
As a Senior iOS Engineer at Duolingo, you will work on the Ads and In-App Purchases teams, focusing on building and scaling systems for ad serving and in-app purchase flows. Your role involves collaborating with cross-functional teams, mentoring junior engineers, and developing native iOS applications primarily in Swift. You will also engage in experimentation to optimize user experience and monetization strategies.
- benefits
- 1/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Duolingo as an employer.
What you need
- 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
Nice to have
- Strong proficiency in Swift, with proven ability to build and maintain production-level applications
- 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
Worth weighing
- Salary range is dependent on various factors and subject to change; base salary is supplemented by equity compensation
- No specific benefits listed in detail; general mention of holistic well-being benefits
- Role involves working on monetization which may affect user experience; consider your comfort with this aspect
Summarised from Duolingo's posting. Read the full original.
Listed by Duolingo on their greenhouse job board, last confirmed open on 2026-10-04. PitchMeAI is not the employer.
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