Senior Android Engineer, App Builds
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!
What this role actually needs.
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in! Responsibilities: - Drive the modernization of our CI build and release pipelines with the migration to new Github Action workflows - Develop tooling and automation to accelerate the modularization of our Kotlin codebase - Design and evolve Android test infrastructure to improve developer velocity and test reliability - Proactively identify and implement improvements to our build performance, reliability, and developer workflows as the Android ecosystem evolves - Foster a culture of engineering excellence and mentor engineers of all experience levels - Experience supporting either Gradle-based projects or large Android builds Company context: Duolingo is the public language-learning platform applying ML, gamification, and data science at consumer scale.
Day-to-day expectations
Duolingo lists these responsibilities for the Senior Android Engineer, App Builds role.
- Drive the modernization of our CI build and release pipelines with the migration to new Github Action workflows
- Develop tooling and automation to accelerate the modularization of our Kotlin codebase
- Design and evolve Android test infrastructure to improve developer velocity and test reliability
- Proactively identify and implement improvements to our build performance, reliability, and developer workflows as the Android ecosystem evolves
- Foster a culture of engineering excellence and mentor engineers of all experience levels
- Experience supporting either Gradle-based projects or large Android builds
Why this listing is more than a copied job post.
Senior Android Engineer, App Builds is framed against UpJobz source checks, country scope, compensation visibility, and work-authorization signals so candidates can make a faster go/no-go decision.
United States tech market
United States roles on UpJobz are filtered for high-tech relevance, source freshness, and actionable employer detail before they are allowed into SEO surfaces.
Compensation read
The employer source does not expose a reliable salary range, so candidates should ask for compensation early instead of waiting until late-stage interviews.
Work authorization read
Current extracted signal: Open to TN, H-1B, and OPT candidates already in the United States. UpJobz treats this as a search signal, not legal advice, and links visa-sensitive roles back to the relevant visa hub where possible.
Location read
On-site roles in New York City should be compared against commute, local salary bands, and nearby employer demand.
Browse similar jobs
Turn this listing into an application plan.
This is the first pass at the premium UpJobz layer: a fast brief that helps serious applicants move with more clarity.
Next moves
- Tailor your resume around security and platform instead of sending a generic application.
- Use the first two bullets of your application to connect your background directly to senior android engineer, app builds is a high-signal on-site role in new york city, and it is most realistic for open to tn, h-1b, and opt candidates already in the united states.
- Open the role quickly if it fits and bookmark three similar jobs before you leave the page.
Interview themes
Watchouts
- Compensation is hidden, so get range clarity in the first recruiter conversation.
- Use open to tn, h-1b, and opt candidates already in the united states as part of your positioning so the recruiter does not have to infer it.
- Show concrete examples of succeeding in on-site environments.
Keywords to match against your background
Use these terms to decide whether your resume, portfolio, and recent projects line up with the role.
Apply through the employer source
Open the source listing from careers.duolingo.com, confirm the role is still active, then apply on the employer or ATS page.
Source: careers.duolingo.com · Source ID: 8453396002 · Confidence: 89/100 · Last checked: May 7, 2026
How UpJobz verifies job sourcesContinue browsing tech jobs