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Freelance Kotlin Multiplatform Developer Jobs (NOW HIRING)

Android Developer

Wilmington, DE ยท On-site

$54 - $71/hr

Kotlin Multiplatform is under evaluation for shared business logic. The work isn't picking ... REQUIREMENTS: * 5+ years of software engineering experience shipping production mobile apps * Deep ...

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Freelance Kotlin Multiplatform Developer information

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

As of Sep 12, 2026, the average hourly pay for freelance 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 freelance Kotlin Multiplatform developer?

A Freelance Kotlin Multiplatform Developer is a self-employed software developer who specializes in building applications using Kotlin Multiplatform, a technology that allows sharing code across Android, iOS, web, and desktop platforms. They work on a contract basis for various clients, helping to create and maintain cross-platform apps efficiently. Their expertise includes Kotlin language proficiency, understanding of platform-specific APIs, and experience with integrating shared and native code. Freelance developers often manage multiple projects, collaborate remotely, and must stay updated with the latest Kotlin Multiplatform advancements.

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

To thrive as a Freelance Kotlin Multiplatform Developer, you need strong expertise in Kotlin, cross-platform mobile and backend development, and experience with both Android and iOS ecosystems, often supported by a degree in computer science or equivalent experience. Familiarity with development tools such as Android Studio, IntelliJ IDEA, Git, and build systems like Gradle, as well as knowledge of Ktor, SQLDelight, and multiplatform libraries, is essential. Excellent problem-solving skills, self-motivation, and proactive communication with clients set top freelancers apart. These skills ensure you can deliver robust, maintainable solutions across platforms while effectively managing projects and client expectations.

What are some common challenges faced by freelance Kotlin Multiplatform developers when working with multiple platforms simultaneously?

Freelance Kotlin Multiplatform Developers often encounter challenges related to maintaining consistent functionality and user experience across different platforms such as Android, iOS, and web. Each platform has unique APIs and lifecycle requirements, so adapting shared code while handling platform-specific logic can be complex. Additionally, keeping up with evolving tooling, libraries, and ensuring seamless integration with native code requires ongoing learning and collaboration with other developers or clients. Effective communication and strong project management skills are essential to meet client expectations and deliver high-quality, cross-platform solutions.
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Infographic showing various Freelance Kotlin Multiplatform Developer job openings in the United States as of September 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $127,151 per year, or $61.1 per hour.

Android Developer

Wilmington, DE โ€ข On-site

Kforce Technology Staffing
IT Servicesย โ€ขย 1 - 5K employees

$54 - $71/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago


Key responsibilities

  • Design and ship the architecture that powers the mobile banking app for next-generation experiences.

  • Write code, debug production issues, and contribute to the app that customers depend on to move real money.

  • Work directly with product owners, mobile architects, and feature teams to take experiences from design mock to production.


Job description

RESPONSIBILITIES:
Kforce has a client that is seeking an Android Developer in Wilmington, DE.
Overview:
The mobile banking app that millions of customers touch every day is being rebuilt around a modern, modular Android architecture - not screens bolted onto a monolith, not a decade of accreted tech debt, but a scalable, testable, high-performance app engineered to move fast without breaking under load. This team is doing that work: designing and shipping the architecture that powers next-generation mobile experiences across the bank's consumer surface area. The stack is deliberate. Kotlin owns the app layer. Jetpack Compose drives the UI. Coroutines and Flow handle async and reactive state. A modularized Gradle build keeps feature teams moving independently. Kotlin Multiplatform is under evaluation for shared business logic. The work isn't picking libraries - it's making them perform at scale in a regulated production environment.
You will write code, design systems, debug production issues, and push into an app that real customers depend on to move real money. The patterns for a modular, Compose-first banking app at this scale are still being written; you will be the one who writes them down. You will work directly with product owners, mobile architects, and adjacent feature teams to take experiences from design mock to production on a one-year engagement that touches real customer volume from day one. This isn't a role where you prototype and hand off. The expectation is that you own the vertical - design decision to shipped artifact - and leave the codebase better than you found it.
If your idea of a great week is working through a gnarly state-management problem in Compose, landing a cold-start or frame-time win that shows up in the metrics, and shipping something real users see by Friday, this is the job.
REQUIREMENTS:
* 5+ years of software engineering experience shipping production mobile apps
* Deep, demonstrated Kotlin and Android SDK expertise
* Production experience with Jetpack Compose
* Strong grasp of Coroutines/Flow and modern Android architecture
* Experience with automated testing and CI/CD for Android
* Apps shipped to the Google Play Store at meaningful scale
Preferred Qualifications:
* Experience with modularized Gradle builds and multi-team codebases
* Kotlin Multiplatform (KMP) experience
* Performance optimization with Baseline Profiles and Macrobenchmark
* Dependency injection experience (Hilt/Dagger)
* Experience in a regulated industry (financial services, healthcare, insurance) where compliance and auditability are engineering constraints, not afterthoughts
* Contributions to internal tooling, shared libraries, or design systems that other teams adopted
The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.
We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.
Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.
This job is not eligible for bonuses, incentives or commissions.
Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.
By clicking ?Apply Today? you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.

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About Kforce

Sourced by ZipRecruiter

Kforce is a professional staffing services firm that is located in Tampa, Florida, US. Operational since 1962, it specializes in flexible and direct hire staffing in Technology and Finance & Accounting, engaging over 23,000 highly skilled professionals annually with more than 4,000 customers. Kforce operates within various industry sectors such as healthcare, financial services, communications, and government. Their mission is to have a meaningful impact on all the lives they serve, with a focus on integrity, respect, and trust.

Industry

It services and finance and insurance

Company size

1,001 - 5,000 Employees

Headquarters location

Tampa, FL, US