Custom Kotlin App Development Services

Our Kotlin app development services help you launch fast, secure, and scalable Android apps with clean architecture and intuitive UI. Work with India’s top 2% engineers who’ve delivered 150+ apps across fintech, health tech, and enterprise domains.

AI ACCELERATOR TOP 20 STARTUPS 2024 AI ACCELERATOR TOP 20 STARTUPS 2024 Top 20 Indian Startups 2023 & 2024 Top 20 Indian Startups 2023 & 2024

Featured in Harvard’s Top 10 Tech Innovations Featured in Harvard’s Top 10 Tech Innovations 2025

mingcute ai
ai developers

Certified Developers

Code Quality

Kotlin App Development Services, Backed by Leading Brands

gojek
chargebee
khatabook
leapfinance
razorpay
semaai

trial 97% Client Retention Rate

cost Zero Subcontracting

faster ISO & NDA Compliant

matching Transparent Pricing

certified On-Time Delivery

OUR Expertise

Kotlin Development Solutions we Offer

As a Kotlin development company, we specialize in modern Android engineering, from Multiplatform apps to Jetpack Compose, Coroutines, and beyond.

Kotlin Multiplatform Development

Share code across Android, iOS, and web using Kotlin Multiplatform. Reduce duplication without sacrificing native performance or flexibility.

Java to Kotlin Migration

We modernize legacy Android apps by converting Java codebases to Kotlin, improving code readability, maintainability, and app performance.

Jetpack Compose UI Development

Use Jetpack Compose with Kotlin to build dynamic, reactive UIs faster, with less boilerplate and better performance on Android.

Kotlin Coroutines &Asynchronous Programming

Build smooth, responsive apps using Kotlin Coroutines for structured concurrency, eliminating callback hell and simplifying async operations.

Android Architecturewith Kotlin (MVVM/Hilt)

Implement modern Android architecture patterns using Kotlin, ViewModel, LiveData, and Hilt for clean, testable, and scalable codebases.

Kotlin DSLs &Code Optimization

Harness Kotlin’s powerful DSL capabilities to write expressive, concise business logic and configuration code for faster development cycles.

Your Vision , Our Code , Delivered

why_choose_engineerbabu_group
shape
Why Us

Why EngineerBabu?

We sign strict NDAs, ensure full IP ownership, and follow ISO-certified processes. With dedicated development teams, flexible engagement models, and 24/7 support, we’re a trusted development partner committed to quality and transparency.

1250+ Projects Delivered

1000+ Happy Clients

170+ Expert Talent

Transparent Pricing

Transparent Pricing

Proven Expertise

Proven Expertise

Top-notch IT Solutions

Top-notch IT Solutions

Our Hiring Process

Our Kotlin App Development Process

We follow a clear, agile-driven Kotlin development process to ensure fast delivery, scalable architecture, and seamless user experiences.

01

Requirement Discovery

We collaborate to understand your development goals, target users, and business logic, laying a strong foundation for your Kotlin-based Android app.

02

Architecture& Design

Designing scalable architecture and intuitive UI using Kotlin best practices, Jetpack Compose, and clean code principles for maintainability.

03

Development & Integration

We build robust Kotlin apps with coroutines, modular code, and integrate APIs, third-party services, and real-time functionality as needed.

04

Testing & Deployment

Apps undergo rigorous QA, crash testing, and performance tuning. We handle Play Store deployment and provide post-launch support as needed.

Client Reviews

Trusted by Tech Leaders Across 20+ Countries

Andile Ngcaba
Youtube Play
andile
Andile Ngcaba

Chairman at Convergence Partners Investments

“I recently had an opportunity to work with EngineerBabu when I was hiring for my company. It was a great experience! They have such a wide variety of qualified React engineers , and they responded to my request very quickly.”

sarika
Sarika SL

PeopleOps Manager at OkCredit

“We thought hiring 100+ engineers would be extremely hard, but the team at EngineerBabu was able to deliver on time with no hiccups. All of the engineers were experienced and good communicators. Post sales support is also amazing.”

subhash
Subhash Gupta

Ex Vice President, Paytm

mohamed
Youtube Play
Mohamed
Mohamed Meman

CEO of Payload

Pramod
Youtube Play
Pramod
Pramod Venkatesh

Group CTO at INQ

“We want to outsource one product development part, we were not looking for freelancers, already burnt our hand on freelancers. I checked the platform, contacted a couple of teams, good curation is done, we decided to go with one. Highly recommended, this is 10X better than other freelance platforms available in the market, with no commission."

Nemesh
Nemesh Singh

Founder, Appointy

Industries We Serve

Industry-Focused Kotlin Development Services

As a Kotlin development company, we craft secure, scalable apps tailored for complex domains with regulatory, performance, and user experience demands.

Health Tech

Build HIPAA-compliant health apps with secure patient data handling, telemedicine integrations, and real-time monitoring using Kotlin.

Fintech

Launch high-performance fintech apps with secure transactions, biometric login, and intuitive dashboards, engineered with Kotlin for speed, safety, and compliance.

Telecom

Develop Kotlin-based apps for telecom operations, enabling real-time messaging, billing, and service management with optimized backend integrations.

Govt Tech

Create scalable, secure Kotlin apps for government workflows, citizen services, and public data platforms, built with a focus on usability and transparency.

Real Estate

Build feature-rich property apps using Kotlin, with smart search, map integrations, AR previews, and seamless agent-buyer communication flows.

Tech Expertise

Tech Stack That Powers Our Kotlin Apps

We use proven, modern tools across the Kotlin ecosystem to build secure, high-performance Android apps ready for scale, maintenance, and seamless user experience.

Languages & Frameworks

Kotlin

Java

Jetpack Compose

Kotlin Multiplatform

Architecture & Libraries

MVVM

Hilt

Koin

Coroutines

Flow

LiveData

Room

Retrofit

Testing & QA

JUnit

Espresso

Mockito

Firebase Test Lab

Databases

Room

Realm

SQLite

Firebase Realtime DB

DevOps & CI/CD

GitHub Actions

Bitrise

Jenkins

Firebase App Distribution

Tools & IDEs

Android Studio

Postman

Charles Proxy

Figma

Zeplin

Cloud & Backend

Firebase

AWS

Google Cloud

REST APIs

GraphQL

Find the Right Expert

  • 350+ Large Comp. Partnered
  • Hired 7000+ Developers
  • On-site, Remote, Hybrid

Launch Smarter with Kotlin Experts

From blazing-fast MVPs to scalable Android solutions, our Kotlin app development services help you craft apps that outperform and evolve with your users.

80+ Happy Clients

11+ Years of Exerience

170+ Expert Level Talents

eb_dev_group
FAQ

Common Questions About Kotlin App Development

Kotlin is modern, concise, and officially supported by Google for Android development. It improves code safety, reduces boilerplate, and speeds up development.

Yes, we specialize in Java-to-Kotlin migration, ensuring your app gains the performance, readability, and maintainability benefits of Kotlin.

We use Kotlin Multiplatform to build apps that share code across Android, iOS, and even backend systems, saving time and cost.

Our team has 11+ years of Kotlin expertise, having delivered production-ready Android and cross-platform apps across various industries.

We write clean, efficient Kotlin code and use profiling tools to optimize app responsiveness, battery usage, and memory consumption.

We follow Kotlin best practices, perform rigorous code reviews, write unit and integration tests, and implement secure coding standards.

We begin with a discovery session, define technical requirements, create wireframes, then develop your app iteratively with regular feedback loops.