Kotlin Multiplatform (KMP) Architect

Overview

On Site
$80 - $90
Accepts corp to corp applications
Contract - W2
Contract - 6 Month(s)

Skills

Kotlin Multiplatform

Job Details

Job Title: Kotlin Multiplatform (KMP) Architect

Location: Natick, MA

Duration: 6+ Months

Direct Client: Barnes & Noble

Note: Interview 2 video interview and 1 F2F interview at Natick.

Expenses are covered for F2F interview.

About the Role

As a senior technology leader, you will be responsible for driving the strategy, architecture, and technical direction of our modernized cross-platform application ecosystem. This role blends architectural excellence, hands-on engineering, and cross-functional leadership to unify iOS, Android, and backend interfaces into a scalable Kotlin Multiplatform architecture.

You will lead modernization efforts, establish engineering standards, guide teams through complex technical decisions, and partner closely with product and design stakeholders to deliver a world-class, high-performance app experience.

What You ll Do

  • Define and own the Kotlin Multiplatform (KMP) strategy and roadmap across iOS & Android teams.
  • Lead technical steering committees, architecture reviews, and cross-functional planning sessions.
  • Identify emerging technologies and frameworks to future-proof the mobile ecosystem.
  • Design and implement a scalable Kotlin Multiplatform (KMP) architecture to unify Android and iOS app development.
  • Establish architecture blueprints, coding standards, and reusable libraries.
  • Write production-level code in Kotlin, Compose Multiplatform, and SwiftUI balancing speed and maintainability.
  • Work closely with Android/iOS engineers to migrate existing features into shared modules.
  • Drive modularization, networking, and persistence layers using Ktor, SQLDelight, and shared view models.
  • Introduce performance benchmarks, observability, and automated quality gates.
  • Collaborate with product and design teams to build beautiful, performant user experiences.
  • Set up lightweight CI/CD pipelines and code quality gates that work for a small, nimble team.
  • Mentor mobile engineers transitioning into KMP development and create internal best practices.
  • Stay plugged into the latest Kotlin and multiplatform ecosystem updates, experimenting and prototyping fast.
  • Help shape technical strategy balancing speed, scalability, and innovation.

What We re Looking For

  • 10 + years of Software Engineering experience (Android and/or iOS) with at least 5+ years with KMP expertise.
  • Serve as the technical authority and escalation point for complex design, architecture, and performance challenges.
  • Mentor engineers across iOS, Android, and Backend to develop strong Multiplatform expertise.
  • Conduct design reviews, code reviews, and architecture walkthroughs.
  • Build an engineering culture centered on excellence, ownership, curiosity, and continuous improvement.
  • Strong Kotlin skills experience with coroutines, Ktor, SQLDelight, and Gradle builds.
  • Hands-on experience with Kotlin Multiplatform (KMP / KMM) in production or POC stages.
  • Understanding of Jetpack Compose and SwiftUI for modern UI architecture.
  • Comfortable with RESTful APIs, offline storage, and sync mechanisms.
  • Experience building apps end-to-end from architecture to deployment.
  • Startup DNA: you can move fast, prioritize, and deliver with limited process.
  • Excellent communication and mentoring abilities you ll be the go-to for multiplatform questions.

Leadership & Strategic Skills

Proven experience leading architecture strategy for large-scale mobile systems or modernization programs.

  • Ability to influence engineering direction across multiple teams and functions.
  • Strong decision-making skills, balancing trade-offs between speed, risk, and scalability.
  • Ability to simplify complex problems and communicate solutions effectively to executives and engineers alike.
  • Strong mentoring mindset and ability to uplift engineering talent around you.

What Success Looks Like

  • A unified shared codebase powering both Android and iOS apps.
  • 60 70% business logic reuse across platforms.
  • Faster app release cadence (biweekly or better).
  • Developers excited to build, test, and ship together not in silos.
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