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Kotlin Developer Jobs in Seattle, WA (NOW HIRING)

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 ...

Senior Android Engineer

Tacoma, WA · On-site

$104K - $166K/yr

Set and evolve technical direction for Kotlin, Jetpack Compose, app architecture, modularization ... Collaborate with iOS engineers on shared product behavior and mobile standards while respecting ...

Senior Android Engineer

Tacoma, WA · On-site

$104 - $166/hr

Set and evolve technical direction for Kotlin, Jetpack Compose, app architecture, modularization ... Collaborate with iOS engineers on shared product behavior and mobile standards while respecting ...

Set and evolve technical direction for Kotlin, Jetpack Compose, app architecture, modularization ... Collaborate with iOS engineers on shared product behavior and mobile standards while respecting ...

Set and evolve technical direction for Kotlin, Jetpack Compose, app architecture, modularization ... Collaborate with iOS engineers on shared product behavior and mobile standards while respecting ...

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 ...

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 ...

Showing results 21-40

Kotlin Developer information

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How much do kotlin developer jobs pay per hour?

As of Sep 6, 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 84% Full Time, 5% Part Time, and 11% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $144,702 per year, or $69.6 per hour.

Android Developer with Security Clearance

Peraton

Tacoma, WA • On-site

$66K - $106K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago


Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

52nd of 226 rated it services


Job description

About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we're keeping people around the world safe and secure. About The Role The Junior Android Developer will contribute to customer-facing Android features, bug fixes, tests, and technical improvements while learning the team's product, architecture, and delivery practices. Working with experienced engineers, product partners, and designers, this person will turn clear requirements into maintainable Kotlin code and steadily expand the scope and independence of their work. This position will be in one of the following locations: Falls Church, VA, Aurora, CO, San Antonio, TX, or Tacoma, WA. Core responsibilities: • Implement well-scoped Android features and bug fixes in Kotlin under the guidance of more experienced engineers.
• Build user interfaces with Jetpack Compose and/or Android Views according to product and design requirements.
• Write and maintain unit, integration, and UI tests appropriate to the change being delivered.
• Use Git and the team's development workflow to create focused changes, request review, and address feedback.
• Investigate defects using reproduction steps, logs, debuggers, crash reports, and help from teammates when needed.
• Collaborate with product, design, backend, quality, and mobile peers to clarify expected behavior and edge cases.
• Participate in planning, standups, demos, retrospectives, and release activities.
• Document relevant implementation details and share useful learnings with the team.
• Follow established practices for accessibility, performance, security, privacy, analytics, and error handling.
• Ask timely questions, communicate blockers clearly, and take an active role in feedback and professional growth. Qualifications Required Qualifications * 2 years with BS/BA; 6 years with HS Diploma/equivalent.
* Foundational knowledge of Kotlin or Java and object-oriented programming concepts.
* Understanding of core Android concepts such as activities, fragments or Compose screens, lifecycle, resources, navigation, and app state.
* Experience building at least one Android application through coursework, an internship, a bootcamp, employment, open-source work, or a personal project.
* Basic familiarity with REST APIs, JSON, asynchronous work, local data storage, and common debugging tools.
* Ability to write readable code, break down a small problem, and explain implementation choices.
* Working knowledge of Git or another version-control system.
* Interest in automated testing and willingness to learn the team's quality practices.
* Clear communication, curiosity, follow-through, and receptiveness to feedback.
* Authorization and location eligibility consistent with the company's approved hiring policy.
* Must be U.S. Citizen
* Ability to obtain a Public Trust clearance
Preferred Qualifications * Exposure to Jetpack Compose, coroutines, Flow, ViewModel, dependency injection, or common Android architecture patterns.
* Familiarity with Android Studio, Gradle, emulators, device testing, and Google Play release concepts.
* Experience consuming APIs, modeling UI state, handling loading and error conditions, or caching local data.
* Basic knowledge of mobile accessibility, performance, privacy, or secure coding practices.
* Exposure to CI/CD, code review, agile delivery, or collaboration on a shared codebase.
* Interest in iOS, Kotlin Multiplatform, or another mobile platform; cross-platform experience is welcome but not required.
Details Target Salary Range: $66,000 - $106,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits. Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate's own. EEO:Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017