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Kotlin Multiplatform Developer Jobs (NOW HIRING)

Conch Technologies Inc

Android Developer

New York, NY · On-site

$61 - $80.25/hr

Title: Android Developer Location : remote Type: 6+ months Note Only W2 No C2C Job Description ... Experience with Kotlin Multiplatform (KMP) for cross-platform code sharing * Write clean, well ...

MM International

Lead Android Developer

Rocklin, CA · On-site

Lead Android Developer Rocklin, CA Technical Expertise 12+ years of total experience in mobile app ... Familiarity with Kotlin Multiplatform (KMP) or Compose Multiplatform. Exposure to App Store/Play ...

Rapsodo Inc.

Senior Developer

Saint Louis, MO · On-site

$125 - $150/hr

... Kotlin Multiplatform codebase. * Own architectural scoping--articulating trade‑offs and risks ... Continuously improve developer experience through smarter tooling, build optimization, CI/CD, and ...

PeopleSERVE, Inc.

UI Desktop Developer

Manhattan, NY · On-site

$55 - $71.50/hr

... .NET, Kotlin Multiplatform, etc.) • Ensure cross-platform compatibility and optimize the ... a UI Developer with a strong portfolio of cross-platform projects • Proficiency in web ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

... Kotlin Multiplatform codebase. * Own architectural scoping--articulating trade‑offs and risks ... Continuously improve developer experience through smarter tooling, build optimization, CI/CD, and ...

Mark43

Lead Mobile Engineer

Boston, MA

As we continue investing in Kotlin Multiplatform, you'll help determine where shared code ... Partnered with Android engineers to identify opportunities for shared business logic using Kotlin ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

... Kotlin Multiplatform codebase. * Own architectural scoping-articulating trade-offs and risks ... Continuously improve developer experience through smarter tooling, build optimization, CI/CD, and ...

Mark43

Lead Mobile Engineer

Boston, MA

As we continue investing in Kotlin Multiplatform, you'll help determine where shared code ... Partnered with Android engineers to identify opportunities for shared business logic using Kotlin ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

... Kotlin Multiplatform codebase. * Own architectural scoping-articulating trade-offs and risks ... Continuously improve developer experience through smarter tooling, build optimization, CI/CD, and ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

... Kotlin Multiplatform codebase. * Own architectural scoping--articulating trade-offs and risks ... Continuously improve developer experience through smarter tooling, build optimization, CI/CD, and ...

Nanit

Senior Mobile Developer, Growth (US)

New York, NY · Hybrid

Our team of scientists, engineers, and parents is small but mighty - we share a mission to make ... Work with Kotlin Multiplatform and Compose for iOS - we're already building with it, and we'd love ...

Nanit

Senior Mobile Developer, Growth (US)

New York, NY · On-site +1

Our team of scientists, engineers, and parents is small but mighty - we share a mission to make ... Work with Kotlin Multiplatform and Compose for iOS - we're already building with it, and we'd love ...

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How much do kotlin multiplatform developer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for kotlin multiplatform developer in the United States is $61.13, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $70.43 per hour, depending on experience, location, and employer.

What is a Kotlin Multiplatform developer?

A Kotlin Multiplatform Developer builds applications using Kotlin Multiplatform (KMP), allowing shared code across multiple platforms like Android, iOS, desktop, and web. They write common logic in Kotlin while using platform-specific code when necessary. Their role involves optimizing code reuse, maintaining performance, and ensuring seamless integration with native technologies. Companies hire them to streamline development, reduce maintenance costs, and improve code consistency across different platforms.

What are the key skills and qualifications needed to thrive as a Kotlin Multiplatform developer?

To thrive as a Kotlin Multiplatform Developer, you need strong proficiency in Kotlin, cross-platform mobile and backend development, and a solid understanding of software architecture and version control systems like Git. Experience with Kotlin Multiplatform Mobile (KMM), Android Studio, and familiarity with CI/CD tools are commonly required, and professional certifications in Kotlin or mobile development can be advantageous. Excellent problem-solving skills, adaptability, and effective communication enable successful teamwork and collaboration across disciplines. These abilities are crucial for delivering high-quality, maintainable code and seamlessly integrating solutions across multiple platforms.

What are the typical daily responsibilities of a Kotlin Multiplatform developer?

A Kotlin Multiplatform Developer typically spends their day designing and implementing shared codebases that support both Android and iOS applications, ensuring consistency and efficiency across platforms. Daily tasks often include writing reusable business logic, integrating with platform-specific APIs, collaborating with UI/UX designers and backend teams, and troubleshooting platform-specific issues. Developers may also participate in code reviews, contribute to architectural decisions, and keep documentation up to date. Communication with cross-functional team members is frequent, as it helps align project goals and address technical challenges efficiently. This role offers a dynamic environment with opportunities to innovate and contribute to the evolving landscape of cross-platform development.

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Kotlin Multiplatform Developer jobs near you
Infographic showing various Kotlin Multiplatform Developer job openings in the United States as of September 2026, with employment types broken down into 85% Full Time, 3% Part Time, and 12% Contract. Highlights an 79% Physical, 4% Hybrid, and 17% Remote job distribution, with an average salary of $127,151 per year, or $61.1 per hour.

Senior Mobile Engineer - Kotlin Multiplatform

webAI Inc

Austin, TX • On-site

Full-time

Medical, Dental, Vision, Retirement

Re-posted 11 days ago

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:
  • 4+ 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.

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