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Kotlin Developer Jobs in Seattle, WA (NOW HIRING)

Android Developer kotlin

Seattle, WA · On-site

$63.50 - $83.25/hr

InterSources Inc is seeking a talented and passionate Android Developer with strong Kotlin experience to join their mobile development team in Seattle. In this role, you'll work on developing ...

Java, Kotlin, JavaScript, Flutter, and other mobile software languages * ELF (Native Binaries) reverse engineering * Query languages such as SQL * Understanding of the following topics * Android ...

Android Developer

Redmond, WA · On-site

$62.50 - $82/hr

Required : • Android Mobile Application • Kotlin and Java • Java, C#, C++ • Experience as a mentor, tech lead or leading an engineering team • Experience leading the architecture and design ...

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.

Senior Full-Stack Mobile Engineer

Bellevue, WA · On-site

$149K - $187K/yr

... Kotlin Multiplatform, shared protobuf contracts, WebViews) based on real product and engineering trade-offs. • Design and operate backend services (Kotlin or Java on the JVM, or TypeScript) that ...

Software Engineer 2

Seattle, WA · On-site

$140 - $180/hr

Drive continuous improvement across system performance, reliability, and developer experience ... Proficiency in Java, Kotlin, or another modern backend language * Experience with REST APIs, event ...

Senior Software Engineer

Seattle, WA · On-site

$139K - $183K/yr

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 ...

Seattle, WA Openings: 1 Type: Full-time Hire CLIENT is an innovative developer and world-class ... The SDK consists of Unity C#, Android Java / Kotlin, iOS Objective-C/Swift, and is the backbone of ...

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Kotlin Developer information

See Seattle, WA salary details

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How much do kotlin developer jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for kotlin developer in Seattle, WA is $69.57, according to ZipRecruiter salary data. Most workers in this role earn between $61.01 and $80.14 per hour, depending on experience, location, and employer.

What is a Kotlin developer?

A Kotlin Developer is a software developer who specializes in using the Kotlin programming language to build applications, primarily for Android but also for backend, web, and multiplatform development. They are responsible for writing clean, efficient code, debugging applications, and integrating Kotlin-based solutions with existing systems. Kotlin Developers often work with frameworks like Ktor for server-side applications and Jetpack Compose for modern Android UI development. They collaborate with teams to design, develop, and maintain software projects, ensuring performance and scalability.

What are the typical responsibilities of a Kotlin developer?

As a Kotlin Developer, you'll primarily focus on designing and implementing reliable and efficient software components using Kotlin, often as part of an agile team. Your daily tasks may include developing new features, fixing bugs, writing unit tests, and collaborating with UX designers, product managers, and quality assurance engineers to refine user requirements and deliver high-quality products. Additionally, you may participate in code reviews, contribute to architectural decisions, and help maintain documentation. Regular communication and collaboration with your teammates is key to ensuring that projects stay on schedule and technical standards are maintained.

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

To thrive as a Kotlin Developer, you need strong proficiency in Kotlin programming, solid understanding of object-oriented design principles, and experience with Android or server-side development. Familiarity with tools such as Android Studio, version control systems like Git, and build automation tools, as well as relevant certifications or coursework, is often expected. Effective problem-solving, attention to detail, and teamwork are critical soft skills for this role. These competencies are crucial for building robust, scalable applications and collaborating efficiently in agile development environments.

How much do Kotlin developers make?

Kotlin developers typically earn between $70,000 and $130,000 annually, depending on experience, location, and industry. Skilled developers with expertise in Android development and modern frameworks tend to command higher salaries. Salaries may also vary based on certifications and the complexity of projects they handle.

What are the most commonly searched types of Kotlin Developer jobs in Seattle, WA?

The most popular types of Kotlin Developer jobs in Seattle, WA are:

What are popular job titles related to Kotlin Developer jobs in Seattle, WA?

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

What job categories do people searching Kotlin Developer jobs in Seattle, WA look for?

The top searched job categories for Kotlin Developer jobs in Seattle, WA are:

Infographic showing various Kotlin Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $144,783 per year, or $69.6 per hour.

Android Developer kotlin

Seattle, WA • On-site

InterSources Inc
Recruiting and Staffing Services • 51 - 200 employees

$63.50 - $83.25/hr

Full-time

Re-posted 14 days ago


Job description

Job Summary:
InterSources Inc is seeking a talented and passionate Android Developer with strong Kotlin experience to join their mobile development team in Seattle. In this role, you'll work on developing, enhancing, and maintaining Android applications used by thousands (or millions) of users, collaborating closely with product managers, designers, and backend engineers to deliver world-class mobile experiences.
Responsibilities:
• Design and build advanced applications for the Android platform using Kotlin
• Collaborate with cross-functional teams to define, design, and ship new features
• Ensure the performance, quality, and responsiveness of applications
• Identify and correct bottlenecks and fix bugs
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Participate in code reviews and mentor junior developers
• Integrate RESTful APIs to connect Android applications to backend services
• Write clean, maintainable, and testable code
Qualifications:
Required:
• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
• 3+ years of professional Android development experience
• Strong proficiency in Kotlin and good understanding of Android SDK and Android Studio
• Experience working with third-party libraries and APIs
• Solid understanding of the full mobile development life cycle
• Experience with version control systems such as Git
• Familiarity with CI/CD tools and Agile/Scrum methodologies
Preferred:
• Experience with Jetpack Compose and modern UI development on Android
• Knowledge of dependency injection frameworks like Hilt or Dagger
• Familiarity with testing frameworks like JUnit, Espresso
• Published at least one app on Google Play Store
• Knowledge of security best practices in mobile development
Company:
InterSources Inc. solves operational problems where protection, performance, compliance, AI, and workforce capability must work together. Founded in 2007, the company is headquartered in Fremont, USA, with a team of 501-1000 employees. The company is currently Late Stage.

InterSources logo

About InterSources

Sourced by ZipRecruiter

In 2007, Our journey began as pioneers in the realm of technology and security. Since then, InterSources Inc. has evolved into a trusted partner, leading the way in Cloud Security, Cybersecurity, PLG Consulting, Digital Transformation, and Professional Services. With a rich history of excellence and a forward-thinking approach, we continue to secure your digital future and drive innovation. Explore our legacy of success and discover the possibilities that lie ahead.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Fremont, CA, US

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