Hire Expert Kotlin Software Developers

We help you build high-performance Kotlin applications with rich user experience. Hire our engineers, or outsource your project.

👋 Ready to build with Kotlin?

Trusted and top rated tech team

We help SaaS and enterprise teams succeed with Kotlin

Kotlin is the modern, expressive language officially endorsed by Google for Android development—and it has become the standard for building clean, efficient, and maintainable Android mobile apps.

Kotlin Engineering
Android SDK and API Engineering
API Engineering
Mobile UX Design
Cloud & DevOps
Quality Assurance
Performance Optimization
Application Architecture Design

Who we work with

From startup MVPs to complex enterprise apps, our Kotlin developers focus on clean architecture, world-class UX, and scalable back-end services.

Startups

From MVP to market launch, we help startups turn bold ideas into powerful Kotlin based Android apps—combining agile development, sleek UX, and a deep understanding of the pace and pressure of early-stage growth.

Small and medium-sized businesses (SMBs)

We partner with SMBs to build Kotlin applications that align with business goals, deliver strong ROI, and scale seamlessly—bringing the technical leadership and flexibility growing companies need.

Enterprise

Our team delivers enterprise-grade Kotlin solutions engineered for performance, compliance, and system integration—built to meet the demands of complex infrastructures and high-volume users.

Ways to engage

We offer a wide range of engagement models to meet our clients’ needs. From hourly consultation to fully managed solutions, our engagement models are designed to be flexible and customizable.

Staff Augmentation

Get access to on-demand product and engineering team talent that gives your company the flexibility to scale up and down as business needs ebb and flow.

Retainer Services

Retainers are perfect for companies that have a fully built product in maintenance mode. We'll give you peace of mind by keeping your software running, secure, and up to date.

Project Engagement

Project-based contracts that can range from small-scale audit and strategy sessions to more intricate replatforming or build from scratch initiatives.

We'll spec out a custom engagement model for you

Why choose us as your software agency?

Partner with Curotec for an exceptional team with deep technical expertise, flexibility, and a proven track record when it comes to Kotlin development.

1 Extraordinary people, exceptional outcomes

Our outstanding team represents our greatest asset. With business acumen, we translate objectives into solutions. Intellectual agility drives efficient software development problem-solving. Superior communication ensures seamless teamwork integration.

2 Deep technical expertise

We don’t claim to be experts in every framework and language. Instead, we focus on the tech ecosystems in which we excel, selecting engagements that align with our competencies for optimal results. Moreover, we offer pre-developed components and scaffolding to save you time and money.

3 Balancing innovation with practicality

We stay ahead of industry trends and innovations, avoiding the hype of every new technology fad. Focusing on innovations with real commercial potential, we guide you through the ever-changing tech landscape, helping you embrace proven technologies and cutting-edge advancements.

4 Flexibility in our approach

We offer a range of flexible working arrangements to meet your specific needs. Whether you prefer our end-to-end project delivery, embedding our experts within your teams, or consulting and retainer options, we have a solution designed to suit you.

We support a variety of use cases in Kotlin

Consumer Mobile Apps

We develop scalable, secure, and rich experience mobile apps on the Kotlin based Android platform—ranging from finance and wellness to social platforms and retail.

Android MVPs & Startup Launches

Curotec helps startups build and iterate fast with Kotlin-powered MVPs that are ready for launch, demos, and user feedback.

Field Operations & Logistics

Curotec has the experience you need to build mobile tools for service teams, delivery tracking, and job-site communication—with offline support and location services.

Enterprise Mobile Dashboards

Do you need support building a secure mobile interface for reporting, analytics, and workflow tools that plug into your existing systems. We've got you covered!

Health & Wellness Platforms

Curotec has the experience you need to craft consumer grade HIPAA-compliant Kotlin Android apps for appointment booking, wearable sync, and guided wellness experiences.

Shared Codebase Mobile Solutions

Using Kotlin Multiplatform, we help clients reduce costs and complexity by sharing logic between Android, iOS, web clients, and back-end services.

Hire our Kotlin developers for a range of expertise

Core Languages & Tools

We build Kotlin apps using modern architecture, scalable tooling, and Google-backed frameworks.

Kotlin Coroutines – We use Kotlin’s native async model to build responsive, non-blocking apps with structured concurrency.
Android Jetpack – Architecture components like LiveData, ViewModel, and Navigation streamline app state and UI logic.
Kotlin DSLs & Extensions – We write idiomatic, expressive code using Kotlin’s domain-specific language capabilities.

UI Frameworks & Design

We deliver polished user interfaces that align with modern Android design principles.

Jetpack Compose – Google’s declarative UI framework for Kotlin lets us build fast, flexible interfaces with less boilerplate.
Material Design 3 – We follow the latest Material guidelines to create consistent, intuitive mobile experiences.
XML Layouts – For hybrid or legacy projects, we maintain support for traditional Android UI development.
MotionLayout & Animation APIs – We create smooth transitions, gestures, and microinteractions for a refined user experience.

Backend & Cloud Integration

Curotec builds and connects secure, scalable infrastructure behind every Kotlin app.

Firebase – Real-time databases, push notifications, crash reporting, and analytics with deep Android integration.
Retrofit & Ktor – Modern libraries for making type-safe API calls with clean, reactive code.
GraphQL (Apollo Android) – Efficient, structured data fetching with full schema type safety.
AWS / GCP / Azure – Cloud-native backends deployed and managed for reliability and performance.

Testing & DevOps for Android

We maintain quality and release consistency with modern testing and CI/CD pipelines.

JUnit, Espresso & UI Automator – Unit, UI, and instrumentation tests built into your Kotlin project for continuous validation.
MockK & Robolectric – Kotlin-first mocking and JVM-based testing for fast, reliable feedback during development.
GitHub Actions / Bitrise – CI/CD pipelines automate builds, tests, and deployment.
Fastlane – We use Fastlane to simplify build signing, Play Store uploads, and version management.

Platform Compliance & Integration

Our Kotlin apps are optimized for speed, stability, and safe data handling.

StrictMode & LeakCanary – We enforce best practices for memory usage, threading, and resource management.
Jetpack Security – Encrypted file storage and keystore-backed credential protection.
Crashlytics & Firebase Performance – Monitoring tools help us track real-world performance and catch issues early.
Play Integrity API / SafetyNet – We implement app attestation and anti-tampering features when needed.

Runtime Performance & Security

We ensure Kotlin apps work flawlessly across the Android ecosystem.

Multi-Version Android Support – We support Android 8+ and optimize for newer versions like Android 14.
Foldables & Large Screens – Layouts adapt to tablets, foldable phones, and variable screen sizes.
Play Store Compliance – We guide you through policy changes, requirements, and app submission.
Cross-Platform Strategy – For clients with broader needs, we use Kotlin Multiplatform to share business logic across Android and iOS.

Frequently asked questions (FAQs)

Why choose Kotlin over Java for Android?

Kotlin is safer, more concise, and the preferred language for Android development. It reduces boilerplate and improves long-term maintainability.

Can you migrate an existing app from Java to Kotlin?

Yes. We offer partial or full migrations with minimal disruption—modernizing your codebase without breaking functionality.

Is Kotlin only for Android apps?

No. Kotlin Multiplatform lets us share code across Android, iOS, and backend services, which can reduce development time and cost. Kotlin can also be used for a variety of use cases outside of the Android ecosystem, though it is most known for it’s use in Android development.

Ready to have a conversation?

We’re here to discuss how we can partner, sharing our knowledge and experience for your product development needs. Get started driving your business forward.