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📱 Mobile Application Developers

Hire Dedicated Kotlin Developers — India, US, UK & Australia

Hire pre-vetted Kotlin developers who build across Android, backend, and multiplatform — with concise, null-safe code and modern coroutines. Golonex places dedicated India-based Kotlin engineers with US, UK, Australian, and Indian teams — working in your timezone, under NDA, integrated within one week and with no lock-in.

The role

What a Kotlin Developer does

A Kotlin developer writes idiomatic Kotlin across the JVM ecosystem and beyond — Android apps with Jetpack Compose, backend services with Ktor or Spring Boot, and shared logic with Kotlin Multiplatform. Our Kotlin engineers use coroutines and Flow for async work, exploit Kotlin's null-safety and DSL features, and build clean, testable architectures.

Core expertise

Kotlin Coroutines & Flow Jetpack Compose Ktor Spring Boot (Kotlin) Kotlin Multiplatform (KMP) Exposed / JPA Gradle Kotlin DSL Dependency injection (Koin, Hilt) Serialization (kotlinx) REST & GraphQL APIs Testing (JUnit, MockK) Coroutine-based concurrency Clean Architecture
Outcomes

What a Golonex Kotlin Developer builds for you

Native Android apps in Kotlin with Jetpack Compose
Backend services and APIs with Ktor or Spring Boot
Kotlin Multiplatform code shared across Android and iOS
Coroutine-based async and concurrent systems
Type-safe DSLs and shared domain libraries
Clean, testable architectures across client and server
Engagement

How it works

Engagement models

Full-time dedicated Part-time / hourly Remote Hybrid Onsite (US · UK · India)

Based in India, working in your timezone. Onsite options available across the US, UK, and India.

Category

📱

Mobile Application Developers

Demand: Medium demand
Why Golonex for Kotlin Developers

The Golonex difference

Named, pre-vetted engineers

Every Kotlin Developer is screened for technical depth, communication, and reliability before you meet them — a sub-30% pass rate at the technical stage.

Integrated within 1 week

From enquiry to working team member in 5 business days. We handle onboarding, NDA, and access logistics.

Your timezone

India-based talent working overlapping hours with US, UK, and Australian teams. Daily standups and real-time collaboration, agreed upfront.

NDA-protected, no lock-in

Full IP and confidentiality protection as standard. Month-to-month engagements — scale up or down as your project evolves.

FAQ

Hiring a Kotlin Developer — FAQs

How quickly can I hire a Kotlin developer through Golonex? +

Typically within one week. From your enquiry we shortlist pre-vetted Kotlin engineers matched to your target — Android, backend, or multiplatform — you interview the shortlist, and the selected developer is onboarded within 5 business days, working in your timezone.

Do your Kotlin developers work on backend as well as Android? +

Yes. Beyond native Android, our Kotlin engineers build server-side services with Ktor and Spring Boot, using coroutines for high-throughput async APIs. This lets teams standardise on one language across app and backend.

Can they use Kotlin Multiplatform to share code across iOS and Android? +

Yes. Several of our Kotlin engineers work with Kotlin Multiplatform (KMP) to share business logic, networking, and data layers between Android and iOS while keeping native UI on each platform.

Are your Kotlin developers experienced with coroutines? +

Yes. Coroutines and Flow are central to how they write async code — from Android UI state to backend request handling — with careful structured concurrency and cancellation handling.

How do you vet Kotlin developers? +

Every candidate passes a technical assessment (live Kotlin coding plus architecture and coroutine review on real scenarios), a communication and remote-working assessment, and reference checks from at least two prior engagements before you meet them.

Get started

Ready to hire a Kotlin Developer?

Tell us the role, stack, and timeline. We'll match you with a named, pre-vetted engineer — integrated within 1 week.