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Senior Kotlin Developer Jobs in Bothell, WA (NOW HIRING)

247Hire

Senior Software Engineer

Seattle, WA · On-site

$120 - $150/hr

Senior Software Engineer Responsibilities: * Lead the design, development, and testing of robust ... Over 2 years of experience with Java, Kotlin, or Scala. * Strong understanding of relational ...

Level

Senior Full-Stack Mobile Engineer

Bellevue, WA · On-site

$120 - $150/hr

Design and operate backend services (Kotlin or Java on the JVM, or TypeScript) that back the mobile ... Actively contribute to improving app architecture, technical foundations, and developer experience.

Level

Senior Full-Stack Mobile Engineer

Bellevue, WA · On-site

$149K - $187K/yr

As a Senior Full-Stack Mobile Engineer on the Platform team, you will own end-to-end slices of ... Kotlin Multiplatform, shared protobuf contracts, WebViews) based on real product and engineering ...

Geico

Senior Staff Engineer - Flutter

Seattle, WA

$120K - $260K/yr

As a Senior Staff Engineer, you will: * Focus on multiple areas and provide leadership to ... Utilize programming languages like Kotlin, Swift, JavaScript, TypeScript, Dart * Mentor team ...

Moloco

Senior Software Engineer - Applied Data

Seattle, WA · On-site

$139K - $183K/yr

As a Senior Software Engineer, you will design, develop, and optimize distributed data systems for ... Java, Kotlin, Go, C++, C#, or Python). * Proven experience designing and building large-scale ...

Compass

Senior Android Engineer

Seattle, WA · On-site

$131K - $197K/yr

Experience with Kotlin Multiplatform is a plus but not mandatory * Ability to collaborate with Product, Design and Engineering stakeholders to implement solutions which surprise and delight our ...

QXO

Senior Software Engineer, Backend

Seattle, WA · On-site

$139K - $183K/yr

As a Senior Software Engineer on the QXO eCommerce team, you will lead the design and development ... Kotlin, Go, etc.) • Experience with modern front-end technologies and frameworks such as React ...

Level

Senior Full-Stack WebApp Engineer

Bellevue, WA · On-site

$110 - $150/hr

You will architect and ship features that span TypeScript front‑ends (React‑family) and Kotlin ... Actively contribute to improving web architecture, technical foundations, and developer experience.

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Senior Kotlin Developer information

See Bothell, WA salary details

$11

$68

$90

How much do senior kotlin developer jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for senior kotlin developer in Bothell, WA is $68.23, according to ZipRecruiter salary data. Most workers in this role earn between $62.36 and $78.99 per hour, depending on experience, location, and employer.

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 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 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 popular job titles related to Senior Kotlin Developer jobs in Bothell, WA?

For Senior Kotlin Developer jobs in Bothell, WA, the most frequently searched job titles are:

Senior Kotlin Developer jobs near you

Kotlin Senior Technical lead with Java

Noblesoft Technologies

Bellevue, WA • Remote

Contractor

Re-posted 4 days ago

Job description

Job Role: Kotlin Senior Technical lead with Java
Location: Bellevue, WA ( Remote OK)
JD:
 
  • Kotlin, Model — View — View Model (MVVM), Android Basics and Dependency Injection framework.
  • Strong in Kotlin
  • Should have strong Knowledge in Kotlin using MVVM + MVI design pattern in Compose.
  • Good knowledge in Dependency Injection - HILT
  • Experience in working Multi module project structure.
  • Good in Unit test using MockK and Ok HTTP Mock Server
  • Good in Compose UI test case writing.
  • Android latest architecture components, modularization