Senior Android Engineer, Client Platform - Application Stability and Performance
Duolingo · New York, NY
Posted 22 days ago
or apply directly on Duolingo's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 22 days Duolingo's roles stay open a median of 38 days
- Reposted
- No
- Salary listed
- No 0% of Duolingo's roles list one
- Ghost-job risk at Duolingo
- high 41 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
- 2026-09-17
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 Android Engineer on the Application Stability and Performance team at Duolingo, you will be responsible for enhancing the stability and performance of the Duolingo Android app. Your role involves leading architectural initiatives, evolving performance tooling, and collaborating with product teams to analyze performance data. You will also mentor other engineers and foster a culture of engineering excellence focused on performance.
- benefits
- 1/5
- freshness
- 4/5
- 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
- Worked on and shipped large scale Android applications
- Experience identifying the root cause and resolving ANRs, memory leaks, dropped frames, and complex crashes
- Strong Kotlin skills and deep familiarity with coroutines, Jetpack Compose, and modern architecture patterns
- Experience optimizing startup time, memory, and network usage for low-memory devices
- Strong problem-solving skills and a passion for tackling difficult challenges
Nice to have
- Expertise in Android tracing tooling like the AndroidX Tracing Library and Perfetto
- Experience with crash observability tooling like Sentry and Android Vitals
Worth weighing
- Salary range is dependent on various factors and may change in the future; base salary supplemented by equity compensation
- No specific benefits listed in the posting
- Vague mention of 'holistic well-being' benefits without details
Summarised from Duolingo's posting. Read the full original.
Listed by Duolingo on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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