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Internship Kotlin Multiplatform Developer Jobs (NOW HIRING)

BluJuniper, Inc.

Senior Mobile Developer

Washington, DC · On-site

$125 - $225/hr

We are looking for a Senior Mobile Developer to help build mobile capabilities for advanced AI ... Experience with Kotlin Multiplatform, Swift, AR technology, ARKit/ARCore, geolocation, and video ...

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

$110 - $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 ...

Mark43

Lead Mobile Engineer

Boston, MA · On-site

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 · On-site

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 ...

Fanatics Betting & Gaming

Principal Engineer

New York, NY · On-site

$207K - $227K/yr

Define and evolve the mobile architecture strategy leveraging Kotlin Multiplatform (KMP) to enable ... Collaborate with backend and DevOps teams to optimize APIs, data flows, and deployment strategies;

Walter

Android Developer

$57 - $75/hr

We are looking for skilled Android developers to join our team and work on cutting-edge features to ... Experience with Kotlin Multiplatform is a plus. Highlights - Long term (12+ months ) and full-time ...

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 ...

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How much do internship kotlin multiplatform developer jobs pay per hour?

As of Aug 29, 2026, the average hourly pay for internship kotlin multiplatform developer in the United States is $22.89, according to ZipRecruiter salary data. Most workers in this role earn between $18.51 and $24.28 per hour, depending on experience, location, and employer.

What is an internship Kotlin Multiplatform developer?

An Internship Kotlin Multiplatform Developer is a student or entry-level developer who works with Kotlin Multiplatform technology to build applications that run on multiple platforms, such as Android, iOS, and web, using shared Kotlin code. During the internship, they typically assist in coding, testing, and maintaining cross-platform projects under the guidance of experienced developers. This role provides hands-on experience with modern mobile and web development tools and helps interns learn industry best practices.

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

To excel as an Internship Kotlin Multiplatform Developer, you need a solid understanding of Kotlin programming, object-oriented principles, and basic software development concepts, ideally supported by coursework or personal projects. Familiarity with Kotlin Multiplatform Mobile (KMM), Android Studio, Git, and basic knowledge of iOS and Android app development environments is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help interns adapt quickly and contribute effectively to team projects. These skills and qualities are crucial for building cross-platform apps efficiently and integrating into collaborative development teams.

What types of projects and technologies can I expect to work with as an internship Kotlin Multiplatform developer?

As an Internship Kotlin Multiplatform Developer, you will typically work on projects that involve building applications for both Android and iOS using shared Kotlin code. You may collaborate with experienced engineers to develop cross-platform modules, contribute to code reviews, and assist in debugging and optimizing performance. Common tools and frameworks you might use include Kotlin Multiplatform Mobile (KMM), Android Studio, and version control systems like Git. Your daily tasks will likely include implementing features, writing unit tests, and participating in agile team meetings, providing a practical foundation for future growth in mobile and cross-platform development.
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Internship Kotlin Multiplatform Developer jobs near you
Infographic showing various Internship Kotlin Multiplatform Developer job openings in the United States as of August 2026, with employment types broken down into 82% Full Time, 2% Part Time, and 16% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $47,621 per year, or $22.9 per hour.

Staff Mobile Engineer - Kotlin Multiplatform

webAI

Austin, TX • On-site

$120 - $180/hr

Other

Medical, Dental, Vision, Retirement

Re-posted 16 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:

  • 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.

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