Kotlin app development services

Kotlin app development services

SaM Solutions provides Kotlin development services for companies that need reliable mobile applications built for real users and real business pressure. As a custom Kotlin development company with deep mobile engineering expertise, we turn ideas, legacy systems, and complex requirements into stable, user-friendly software.

30+

years on the market

1000+

completed projects

11

offices in Europe and the US

800+

IT experts on board

150

Kotlin experts

commitment to our work

Why choose Kotlin for app development

Kotlin removes much of the friction from modern app development. Cleaner syntax, safer defaults, strong Android support, and JVM compatibility make it a practical choice for serious mobile products.

Less code that says nothing

Kotlin cuts boilerplate and keeps logic visible — the result: cleaner reviews, easier updates, and fewer places for mistakes to hide.

A natural language for Android

It works smoothly with Android Studio, Android SDK, Jetpack, Compose, Firebase, device APIs, and native mobile workflows.

A practical bridge from Java

Existing Java code can stay useful. Kotlin runs on the JVM and allows teams to modernize gradually rather than rewrite everything at once.

Fewer common mistakes

Null safety, data classes, sealed classes, type inference, and coroutines help reduce bugs in everyday development.

Good fit for products with moving parts

Kotlin keeps complex logic readable when apps connect to APIs, cloud platforms, payments, analytics, IoT devices, or enterprise systems.

Room for multiplatform thinking

Kotlin Multiplatform lets teams reuse selected logic across Android, iOS, backend, desktop, or web while keeping native interfaces where needed.

Kotlin application development services

SaM Solutions offers Kotlin app development services across the full product lifecycle: from early consulting to release, support, and modernization.

Product and architecture consulting

We examine the business goal, user journey, technical environment, existing systems, delivery risks, and roadmap. Then we define how the product should be built: native Android, Kotlin Multiplatform, JVM backend, partial migration, or a hybrid path.

Discovery for mobile products
Discovery for mobile products

Good development starts before the first repository is created. We define user roles, core scenarios, technical boundaries, data flows, authentication logic, security expectations, integration points, and release priorities.

Custom application development
Custom application development

As a Kotlin app development company, SaM Solutions builds software around actual business behavior: field routines, customer journeys, approval chains, device usage, offline work, regulated processes, or high-volume transactions.

Native Android app engineering

We create native Android applications for smartphones, tablets, rugged devices, kiosks, wearables, and specialized hardware. Our work may include Compose interfaces, Jetpack components, and Firebase services.

Kotlin Multiplatform development
Kotlin Multiplatform development

For products that need Android and iOS versions, shared logic can reduce duplicated work. We use Kotlin Multiplatform for the parts where reuse makes sense: API communication, authentication, validation, business rules, data handling, and offline logic.

Backend and JVM development

Mobile software needs something solid behind it. Our engineers build backend components, REST API layers, GraphQL services, microservices, authentication flows, data processing modules, and cloud-ready JVM systems.

Java-to-Kotlin migration
Java-to-Kotlin migration

We help modernize Java-based Android projects step by step: selected screens, modules, utilities, data layers, async logic, dependencies, and tests. The existing product continues to run while its technical foundation improves.

QA, testing, and release hardening

Our QA teams test functional behavior, UI flows, API communication, performance, security, compatibility, regression risks, and edge cases. Manual and automated testing are selected according to the product’s actual risk profile.

Support and product evolution

SaM Solutions supports applications with monitoring, bug fixing, performance tuning, SDK updates, feature delivery, crash analysis, security improvements, and roadmap-based development.

Build a product that does not collapse after version one

SaM Solutions helps you turn an idea, prototype, or legacy codebase into a mobile application with clean logic, stable behavior, and space to evolve.

Our Kotlin solutions

We build mobile software for internal teams, field operations, logistics, manufacturing, healthcare, retail, energy, and service departments.

These products often include role-based access, offline mode, dashboards, document handling, GPS, barcode scanning, reporting, push notifications, and integration with ERP, CRM, or custom platforms.

Customer-facing applications

We create Android apps for ecommerce, education, finance, hospitality, media and entertainment, travel, and digital service providers.

The goal is not to impress users with complexity. It is to make the important action feel obvious: sign in, book, buy, watch, pay, learn, manage, contact, or return.

Some apps are not built around content. They are built around signals.

We develop applications that communicate with sensors, gateways, wearables, industrial devices, smart products, embedded systems, and cloud platforms. They may collect data, show device status, trigger alerts, send commands, or visualize events in real time.

Field service applications

Technicians, drivers, inspectors, maintenance crews, and mobile workers need tools that perform under non-ideal conditions.

We create apps with offline-first behavior, photo capture, route support, asset tracking, digital forms, synchronization, location features, task management, and secure access to operational data.

A first release should answer a market question, not pretend to be a finished ecosystem.

We help companies launch compact MVPs that validate core value, reach early users, and avoid architectural shortcuts that become painful after funding, growth, or a product pivot.

Older Android products often carry quiet friction: slow releases, messy dependencies, brittle screens, unclear data flows, outdated libraries, and fragile tests.

We refactor, update, stabilize, and prepare existing apps for new features, better performance, and easier maintenance.

Kotlin app development process

Kotlin vs Java

Kotlin and Java often live in the same software landscape. Java brings history, maturity, and a vast ecosystem. Kotlin brings sharper syntax, safer defaults, and smoother, more modern Android development.

KotlinJava
Android developmentStrong fit for new native apps and modern interfacesStill common in older Android projects
Code styleCompact, expressive, less repetitiveVerbose, familiar, predictable
Null safetyBuilt into the languageUsually handled through checks, discipline, and libraries
Async workCoroutines simplify background work and API callsUses older concurrency patterns
UI developmentWorks naturally with Jetpack ComposePossible, but less elegant for newer UI approaches
Legacy systemsCan be added graduallyOften already present in enterprise environments
MultiplatformSupports shared logic across platformsNot intended for Android/iOS logic sharing
Team adoptionAccessible for Java developers, with some new conceptsEasier where teams are already Java-heavy
Best useNew Android apps, modernization, shared logic, JVM servicesStable legacy systems, Java-centric platforms

Technology stack

Mobile and Android

Kotlin, Android SDK, Android Studio, Jetpack, Jetpack Compose, Material Design, Coroutines, Flow, Room, WorkManager, Navigation, Hilt

Backend and API
Cloud platforms
Databases
Testing and QA
Build and DevOps
Add senior mobile engineers without rebuilding your team

Bring in specialists when your roadmap needs more power than your current team can spare.

Our engagement models

Choose the cooperation model that fits your project ownership, internal capacity, and delivery timeline — whether you need a full-service mobile agency, a dedicated team, or selected experts.

Why choose SaM Solutions

A Kotlin application development company should understand more than the language. Good mobile software depends on architecture, integration, QA, security, release discipline, and product sense.

Mobile engineering depth

We build native, cross-platform, and enterprise mobile applications for different industries, devices, and operating conditions. The team understands performance, offline behavior, battery impact, permissions, and everyday user frustration.

Backend strength

A beautiful app with a weak backend is still a weak product. SaM Solutions designs APIs, databases, cloud components, microservices, authentication layers, and data flows that keep the mobile experience stable.

Integration experience

Most serious applications must connect with something: ERP, CRM, payment systems, analytics, IoT platforms, identity providers, legacy software, or custom enterprise tools. We know how to make those connections reliable, secure, and maintainable.

Mature delivery habits

Clear communication, documentation, planning, testing, reviews, and release control are part of the work. This matters most when the project grows, stakeholders multiply, and small technical shortcuts start becoming expensive.

Flexible collaboration

We can deliver a complete application, provide a dedicated team, extend your internal resources, or consult on architecture, migration, and product decisions. You get the format that matches your situation, not a forced operating model.

Long-term product care

Launch is not the finish line. We support further releases, Android updates, SDK changes, performance improvements, security patches, and new functionality. The product can continue to move without losing its technical shape.

Our clients say

FAQ

What is Kotlin?

Kotlin is a modern programming language that runs on the JVM and is widely used for Android development. It is concise, readable, interoperable with Java, and suitable for mobile apps, backend systems, APIs, and shared multiplatform logic.

What is Kotlin used for?
How much time does it take to build a Kotlin app?
Is Kotlin better than Java?
Can you integrate Kotlin with existing Android projects?
How much does Kotlin development cost?
Contact us

Prefer a more personal approach? Email us — we’ll get back to you shortly. Share your ideas or requirements, and we’ll help you refine them.

What happens next?
1

Shortly after receiving your request, one of our experts will contact you to discuss and clarify your business needs.

2

If needed, we’ll sign an NDA to ensure maximum confidentiality.

3

Your dedicated Account Manager will prepare a detailed project proposal, which may cover cost estimates, timelines, team CVs, and other relevant details.

4

Once approved, your project team can begin work within ten business days.