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Senior Kotlin Developer Jobs in Wisconsin (NOW HIRING)

Harris

$125K - $135K/yr

- Proficiency in Kotlin & Swift: Deep understanding of modern Kotlin (coroutines/Flow, serialization) and Swift (async/await), including the platform runtimes, memory management and concurrency ...

Harris

$125K - $135K/yr

- Proficiency in Kotlin & Swift: Deep understanding of modern Kotlin (coroutines/Flow, serialization) and Swift (async/await), including the platform runtimes, memory management and concurrency ...

HTC Global Services

Mobile Developer

Madison, WI · On-site

... Senior Level Android Engineer to join our team in Madison. The ideal candidate will have strong ... Develop Android applications using Kotlin, Jetpack Compose, and Android XML layout structures.

HTC Global Services Inc

Mobile Developer

Madison, WI · On-site

iOS/Andrroid Engineer Overview / Summary We are seeking a Mid-Senior Level Android Engineer to join ... Key Responsibilities Develop Android applications using Kotlin, Jetpack Compose, and Android XML ...

Up2date Technologies

Mobile Developer

Madison, WI · On-site

Madison, WI (Onsite) Job Type: Full-Time We are looking for a Mid-Senior Android Developer to join ... Required Skills: Kotlin Jetpack Compose Android XML MVVM / MVI / Clean Architecture REST API ...

H. T. PROF Group

DevOps Engineering Lead

Wauwatosa, WI · On-site

$148.50 - $181.50/hr

... Kotlin/Ansible) EMBEDDED ENVIRONMENT: Practical Familiarity or Deep Expertise with Complex, Low-Level Build Frameworks (CMake, Yocto/Embedded Linux) LEADERSHIP PROFILE: Senior or Principal Engineer ...

Twenty80 llc

DevOps Engineering Lead

Wauwatosa, WI · On-site

$120 - $180/hr

This role offers a clear path toward senior engineering and technology leadership. Key ... Strong scripting or programming experience using Python, Kotlin, Ansible, or similar technologies.

twenty80.io

DevOps Engineering Lead

Wauwatosa, WI · Hybrid

$165K/yr

This role offers a clear path toward senior engineering and technology leadership. Key ... Strong scripting or programming experience using Python, Kotlin, Ansible, or similar technologies.

Topgolf Payroll Services

WI · On-site

$170 - $210/hr

... senior stakeholders. Key ResponsibilitiesTeam Leadership & People Management * Lead, grow, and ... Kotlin), backend (Go, Scala, or similar), and API design. * Set engineering standards and best ...

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Senior Kotlin Developer information

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

To thrive as a Senior Kotlin Developer, you need deep expertise in Kotlin programming, object-oriented design, and software development principles, often supported by a bachelor's degree in computer science or a related field. Familiarity with tools like IntelliJ IDEA, Git, Gradle, and frameworks such as Spring Boot or Ktor, along with experience in RESTful APIs and version control systems, is typically required. Strong problem-solving skills, effective communication, and the ability to mentor junior developers are standout soft skills for this role. These abilities are crucial for building robust, scalable applications and fostering technical leadership within development teams.

What is a senior Kotlin developer?

Senior Kotlin Developers are experienced software engineers who specialize in developing applications using the Kotlin programming language. They typically work on backend services, Android applications, or cross-platform solutions, leveraging Kotlin’s modern features and interoperability with Java. In addition to coding, they often lead teams, design software architecture, mentor junior developers, and ensure best practices in software development. Their expertise is valuable for companies seeking efficient, scalable, and maintainable codebases, especially in environments where Kotlin is a primary technology.

What are some common challenges senior Kotlin developers face when integrating Kotlin with existing Java codebases?

Senior Kotlin Developers often work on projects where Kotlin is gradually introduced to legacy Java codebases. A key challenge is ensuring seamless interoperability between Kotlin and Java, which requires careful handling of nullability, type conversions, and tooling compatibility. Developers also need to maintain consistent coding standards and documentation across mixed-language projects. Effective communication with team members is essential to coordinate refactoring efforts and share best practices for code migration.

What is the difference between Senior Kotlin Developer vs Android Developer?

AspectSenior Kotlin DeveloperAndroid Developer
Required CredentialsBachelor's in Computer Science, Kotlin proficiency, experience in software developmentBachelor's in Computer Science, Java/Kotlin skills, Android SDK knowledge
Work EnvironmentSoftware development teams, cross-platform projects, backend and mobile appsMobile app development teams, primarily focused on Android apps
Industry UsageTech companies, startups, enterprise softwareMobile app companies, startups, freelance developers
Search & Comparison IntentUnderstanding senior-level Kotlin roles, career progressionEntry to mid-level Android app development, job requirements

The Senior Kotlin Developer typically has broader responsibilities, including architecture design and mentoring, while an Android Developer focuses mainly on building Android applications. Both roles require Kotlin skills and industry experience, but the Senior Kotlin Developer often works across multiple platforms and project phases.

What are the most commonly searched types of Kotlin Developer jobs in Wisconsin? The most popular types of Kotlin Developer jobs in Wisconsin are:
What are popular job titles related to Senior Kotlin Developer jobs in Wisconsin? For Senior Kotlin Developer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Senior Kotlin Developer jobs in Wisconsin look for? The top searched job categories for Senior Kotlin Developer jobs in Wisconsin are:
Senior Kotlin Developer jobs near you
Infographic showing various Senior Kotlin Developer job openings in Wisconsin as of August 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Remote job distribution.

Senior Android Application Developer

Johnson Health Tech North America Inc

Cottage Grove, WI • On-site

$55 - $69.50/hr

Full-time

Medical, Dental, Life, Retirement, PTO

Re-posted 3 days ago

Johnson Health Tech rating

8.1

Company rating: 8.1 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

152nd of 487 rated machine equipment manufacturers

Job description

Description


Position Overview:

Under the direction of the Sr. Director of Electrical Engineering, the Senior Android Developer will lead the development of native Android applications that integrate seamlessly with our fitness equipment, enhance customer engagement, and support our retail and e-commerce platforms. This role is ideal for someone passionate about fitness, mobile innovation, and creating intuitive digital experiences that motivate users to reach their wellness goals.


Responsibilities:

Design, develop, and maintain native Android applications for fitness tracking, equipment integration, and retail engagement.

Collaborate with cross-functional teams including product, design, and hardware engineering to deliver cohesive user experiences.

Integrate with fitness APIs (e.g., Google Fit, Health Connect), Bluetooth-enabled fitness equipment, and IoT platforms.

Optimize app performance across a wide range of Android devices and screen sizes.

Ensure secure handling of user data, especially health and fitness metrics.

Lead code reviews, mentor junior developers, and contribute to architectural decisions.

Stay up-to-date with Android development trends and fitness technology innovations.

Requirements


Education:

Bachelor's or Master's degree in Computer Science, Engineering, or related field.


Experience:

7+ years of experience in native Android development using Kotlin and Java.

Strong knowledge of Android SDK, Jetpack libraries, and MVVM architecture.

Familiarity with RESTful APIs, third-party SDKs, and Google Play Store deployment.

Excellent communication and problem-solving skills.


Benefits:

We offer an excellent compensation package and team-oriented work environment with growth opportunities. Some of our outstanding benefits include:

Health & Dental Insurance

Company paid Life Insurance

401(k)

Paid Time Off benefits

Product discounts

Wellness programs



 Equal Opportunity Employer, including Veterans and Individuals with Disabilities 

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