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Junior Kotlin Multiplatform Developer Jobs in Seattle, WA

Responsibilities The Junior Android Developer will contribute to customer-facing Android features ... Interest in iOS, Kotlin Multiplatform, or another mobile platform; cross-platform experience is ...

Android Developer

Tacoma, WA · On-site

$64 - $106/hr

Responsibilities The Junior Android Developer will contribute to customer-facing Android features ... Interest in iOS, Kotlin Multiplatform, or another mobile platform; cross-platform experience is ...

Android Developer

Tacoma, WA · On-site

$66K - $106K/yr

Responsibilities The Junior Android Developer will contribute to customer-facing Android features ... Interest in iOS, Kotlin Multiplatform, or another mobile platform; cross-platform experience is ...

Android Developer

Tacoma, WA · On-site

$66K - $106K/yr

Responsibilities The Junior Android Developer will contribute to customer-facing Android features ... Interest in iOS, Kotlin Multiplatform, or another mobile platform; cross-platform experience is ...

Senior Android Engineer

Seattle, WA · On-site

$131K - $197K/yr

... the developer experience * Oversee and mentor junior engineers on the team, building their ... Experience with Kotlin Multiplatform is a plus but not mandatory * Ability to collaborate with ...

Senior Android Engineer

Seattle, WA · On-site

$131K - $197K/yr

... the developer experience * Oversee and mentor junior engineers on the team, building their ... Experience with Kotlin Multiplatform is a plus but not mandatory * Ability to collaborate with ...

Android Developer kotlin

Seattle, WA · On-site

$63.50 - $83.25/hr

... mentor junior developers • Integrate RESTful APIs to connect Android applications to backend services • Write clean, maintainable, and testable code Qualifications : Required : • Bachelor ...

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Junior Kotlin Multiplatform Developer information

See Seattle, WA salary details

$27.3K

$101.3K

$156.5K

How much do junior kotlin multiplatform developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for junior kotlin multiplatform developer in Seattle, WA is $101,257.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,200.00 and $99,000.00 per year, depending on experience, location, and employer.

What is a junior Kotlin Multiplatform developer?

Junior Kotlin Multiplatform Developers are entry-level software engineers who specialize in building applications using Kotlin Multiplatform technology. They help create apps that share code across multiple platforms, such as Android, iOS, desktop, and web, using the Kotlin programming language. Their responsibilities typically include writing and maintaining code, debugging, collaborating with senior developers, and learning best practices in multiplatform development. This role is ideal for those with basic programming knowledge who want to focus on cross-platform mobile and backend solutions using Kotlin.

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

To thrive as a Junior Kotlin Multiplatform Developer, you need a solid understanding of Kotlin programming, basic software engineering principles, and familiarity with cross-platform mobile and desktop development. Experience with IDEs like IntelliJ IDEA, knowledge of version control systems such as Git, and exposure to Kotlin Multiplatform libraries are commonly required, while certifications in Android development or related fields can be beneficial. Strong problem-solving, teamwork, and communication skills help you collaborate effectively and learn from more experienced developers. These skills are crucial for delivering maintainable, scalable code and efficiently contributing to cross-functional teams in rapidly evolving technical environments.

What are some common challenges faced by junior Kotlin Multiplatform developers when working on cross-platform projects?

Junior Kotlin Multiplatform Developers often encounter challenges related to managing platform-specific code and ensuring consistent behavior across Android, iOS, and other supported platforms. Understanding platform APIs and properly structuring shared and expect/actual code can take time to master. Collaboration with mobile and backend teams is frequent, so clear communication and version control skills are essential. Over time, developers gain experience in debugging cross-platform issues and optimizing code reuse, which are valuable for career growth.

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

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

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

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

Infographic showing various Junior Kotlin Multiplatform Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 83% Full Time, 4% Part Time, and 13% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $101,257 per year, or $48.7 per hour.

$66K - $106K/yr

Full-time

Posted 5 days ago


Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

51st of 226 rated it services


Job description

Responsibilities

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.
Peraton Overview

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 do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

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.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Employment Type: FULL_TIME

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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