Staff Mobile Engineer - Kotlin Multiplatform
Back to Jobs
webAIGet Smart Job AI Coach in the appFree on iOS and Android 


Google



Staff Mobile Engineer - Kotlin Multiplatform
Location
Austin, TX
Experience
Senior
Posted
Jul 14, 2026
Apply by
August 13, 2026
Applicants
0
Early applicantEasy applyFull-timeWork from Home
Job Description
About the Role:
We're building a flagship cross-platform application on Kotlin Multiplatform (KMP) using Compose Multiplatform as well as SwiftUI. The ideal candidate will have a proven track record of developing and deploying native mobile apps using KMP technology.
Responsibilities:
- Shared KMP modules — You will write shared Kotlin Multiplatform code that provides significant, testable business logic and repositories.
- Compose Multiplatform UI and Native SwiftUI — You will write user interface code to utilize shared code modules.
- On-device AI — You will integrate artificial intelligence frameworks both on-device and remotely.
- Performance — Profile and harden app performance on real devices. Troubleshoot hard, technical bugs.
- Code review and collaboration — Review human and coding-agent diffs with equal rigor, contribute to project conventions, and mentor teammates. Improve the quality of delivered code.
Qualifications:
- 8+ years of mobile development with shipped production apps on Android, iOS, or both
- Strong Kotlin skills including coroutines and Flows.
- Demonstrated interest in AI engineering
- Solid experience with mobile tooling and app stores
- Strong mobile product instincts
Preferred Skills:
- Compose Multiplatform or strong Jetpack Compose experience, including understanding recomposition stability
- SwiftUI experience would be beneficial, including comfort working at the Swift/Kotlin boundary via SKIE, Swift Export, and/or hand-written interoperability code
- Experience working with Rust UniFFI, C++, and JS is a plus
- Contributions to open-source ML/AI or KMP libraries is a bonus
We at webAI are committed to living out the core values we have put in place as the foundation on which we operate as a team. We seek individuals who exemplify the following:
- Truth - Emphasizing transparency and honesty in every interaction and decision.
- Ownership - Taking full responsibility for one’s actions and decisions, demonstrating commitment to the success of our clients.
- Tenacity - Persisting in the face of challenges and setbacks, continually striving for excellence and improvement.
- Humility - Maintaining a respectful and learning-oriented mindset, acknowledging the strengths and contributions of others.
Benefits:
We strive to provide competitive benefits to all employees. The benefits listed in this posting generally apply to U.S.-based employees. For employees hired outside the United States, benefits may vary based on local law, country-specific requirements, and the employment platform or entity through which the employee is hired.
- Competitive salary
- Comprehensive health, dental, and vision benefits package
- 401(k) match
- Equity options
- $200/month Health & Wellness stipend
- Continuing Education support
- $500/year Function Health subscription
- Free parking for in-office employees
- Flexible Time Off (FTO)
- Parental leave for eligible employees
- Supplemental life insurance
webAI is an Equal Opportunity Employer and does not discriminate against any employee or applicant on the basis of age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We adhere to these principles in all aspects of employment, including recruitment, hiring, training, compensation, promotion, benefits, social and recreational programs, and discipline. In addition, it is the policy of webAI to provide reasonable accommodation to qualified employees who have protected disabilities to the extent required by applicable laws, regulations and ordinances where a particular employee works.
Key Responsibilities
- Write shared Kotlin Multiplatform code for business logic and repositories
- Develop user interfaces using Compose Multiplatform and SwiftUI
- Integrate on-device and remote artificial intelligence frameworks
- Profile and harden app performance on real devices
- Troubleshoot technical bugs and improve code quality
- Review code diffs and mentor teammates
Skills Required
KotlinKotlin MultiplatformCompose MultiplatformSwiftUIAndroidiOSCoroutinesFlowsMobile App DevelopmentAI EngineeringMentoringCollaborationProblem solvingAttention to detailJetpack ComposeRust UniFFIC++JavaScriptOpen-source ML/AI contributions
Benefits
- Competitive salary
- Comprehensive health, dental, and vision benefits
- 401(k) match
- Equity options
- $200/month Health & Wellness stipend
- Continuing Education support
- $500/year Function Health subscription
- Free parking for in-office employees
- Flexible Time Off (FTO)
- Parental leave
- Supplemental life insurance
App exclusive · Free
Smart Job AI Coach
Your personal interview coach on every job — readiness tips, profile improvements, and role-specific prep. Available only in the Pulse Job app.
Interview readiness
See how prepared you are and what to improve for each role.
Personalized tips
Actionable suggestions based on your profile and the job.
After you apply
Keep coaching momentum from job detail through application success.
Similar roles for you
Matched using this role's title and skills. Open the job search anytime to see every listing.

Staff Android Engineer
Talk360
85.000–101.000 / Year
Full-timeEasy applyHybrid
AmsterdamSenior

Software Engineer Trainee (Android)
Delivery Hero
ContractEasy applyHybrid
SingaporeEntry

Mobile Engineer (Android)
Air New Zealand
Full-timeEasy applyWork from Office
AucklandMid
Product Manager, Android App Performance
Full-timeEasy applyWork from Office
LondonMid

Senior Software Engineer - Cryptography & Systems Development
Motum
150,000–175,000 / Year
Full-timeEasy applyHybrid
TemeculaSenior

Manager - Software Development
Citadel Aviation
Full-timeEasy applyWork from Office
DallasSenior