Hire Kotlin developers

Hire Kotlin Developers

Looking to hire a Kotlin developer who delivers more than just clean code?
Volpis specializes in Kotlin app development – combining deep technical skills with real-world product thinking. Whether you’re scaling fast or starting fresh, we provide Kotlin development services for all ranges of businesses, helping you build reliable, high-performance mobile apps that move your business forward. Recognized on Clutch as a top-tier software partner, we’ve helped companies across industries turn bold ideas into successful products.

app development
8+

Years of Kotlin Experience

app development
50+

In-house Talents

app development
40+

Kotlin Projects

Hire Kotlin developers

our ACHIEVEMENTS

Recognized for consistent delivery

With about 30 positive reviews on Clutch and 100+ completed projects on Upwork, we’re recognized as a top software partner. Every 5-star review and award is the result of genuine collaboration and shared success.

CLIENTS

Trusted by leading global brands

From startups to Fortune 500 companies, we’ve partnered with organizations across industries to design and deliver high-performing digital products that drive real business value.

APP DEVELOPMENT EXPERTISE


Kotlin app development services we provide


Custom Android App Development

Transform your vision into reality with fully customized Android applications. We combine deep technical expertise with a user-centric approach to deliver feature-rich, scalable, and secure apps tailored to meet your unique business goals.


Existing App Maintenance and Feature Enhancement

Keep your app running smoothly and staying relevant. We resolve bugs, enhance performance, update compatibility with the latest OS versions, and introduce new features to ensure your app meets evolving market demands.


Kotlin Migration Services

Modernize your applications by transitioning to Kotlin programming language. Our team ensures a seamless migration, enhancing performance, and scalability, and enabling integration of advanced features to future-proof your app.


Kotlin Multiplatform Development

Leverage Kotlin Multiplatform to build cross-platform applications with a shared codebase. Our developers create efficient, reusable business logic for Android, iOS, and beyond, ensuring faster development cycles and consistent user experiences across platforms.


Product Audit

Gain a 360° view of your app’s architecture, code quality, performance, and security. Our audits uncover opportunities to boost efficiency, enhance user experience, and prepare your application for growth.


Consulting

Our Android leads offer expert guidance to define robust architectures, select the right tech stack, and plan for scalability. With tailored insights and hands-on support, we ensure your project’s success.

KOTLIN APP DEVELOPMENT TOOLS

Kotlin Technologies we work with 

Kotlin Frameworks

Kotlin Multiplatform, Ktor, Jetpack Compose, Android Jetpack

Graphics and Animation

Lottie, MotionLayout, OpenGL, VectorDrawables, Canvas

Augmented Reality

ARCore

Mapping and Location

Google Maps SDK, Mapbox, HERE SDK, Geofencing APIs, Fused Location Provider

Databases

Room, SQLite, Realm, Firebase Realtime Database

Cloud Integration

Firebase SDK, AWS, Azure, Google Cloud

Payments

Stripe, PayPal, Payfort, Google Pay, In-App Billing (IAB)

Audio and Video Streaming

ExoPlayer, MediaPlayer, WebRTC, FFmpeg

APIs and Libraries

REST, GraphQL, WebSockets, Retrofit, OkHttp, Koin, Hilt

Analytics Tools

Firebase Analytics, Google Analytics, Mixpanel, Sentry

Testing Tools

JUnit, Espresso, UI Automator, MockK, Robolectric

HOW TO HIRE KOTLIN DEVELOPERS

How to Hire Dedicated Kotlin Developers from Volpis

Step 1.

Intro Call

  • Tell us about your project, timeline, team setup, and other business needs.
  • Review potential collaboration models tailored to your project.
  • Ask your questions, learn about our Kotlin experience, and pricing.
Schedule a Call
Step 2.

Proposal

  • Receive a tailored proposal for your Android project within 72 hours.
  • You will get detailed timelines, deliverables, and pricing. No commitment from you required.
Step 3.

Start Collaboration

  • Kick off with the vetted Kotlin Developers set up in your workflow.
  • Most clients are up and running within 1–2 weeks of the intro call.

KOTLIN APP DEVELOPERS YOU CAN COUNT ON


Why Hire Kotlin Developers from Us?

Proven Expertise

With over 8+ years of Android app development experience, we’ve delivered apps that have achieved millions of downloads globally.

AI-Assisted Development

Our developers use AI-assisted tooling across code generation, review, and testing to reduce repetitive work and accelerate delivery cycles. You get faster turnaround on sprint deliverables without the quality tradeoffs.

Uncompromising Quality

We adhere to 30 delivery quality standards developed in-house at Volpis, ensuring excellence at every stage of development – from code review and test coverage, to deployment.

Team Scalability

Our flexible outstaffing options allow you to scale teams up or down based on project demands, without the long-term commitment of hiring full-time employees.

Tailored Talent

Choose from a diverse range of developers (Junior to Senior) to perfectly fit your project’s needs and budget.

End-to-End Services

Beyond Kotlin development, we offer expertise in iOS, web, UX/UI design, business analysis, and testing, making us your comprehensive tech partner.

Risk-Free Trial

Experience our Kotlin developers firsthand with 40 free development hours. It will help you to evaluate our capabilities before committing.

Security
and IP Protection

  • NDA Signed Before Cooperation

    Confidentiality starts before any project discussion.
  • Full IP Ownership

    You retain 100% rights to all code, designs, and deliverables.
  • Secure Development Practices

    We follow strict coding standards to protect your data and systems.

Showcase

Our recent Kotlin development projects

My-Day My-Day My-Day

My-Day

Workplace well-being app

My-Day is a workplace well-being app that helps employees build daily routines across five pillars: feel, eat, move, sleep, and connect. We developed native Android and iOS apps with personalized plans, progress tracking, and third-party integrations. Delivered ahead of beta, the MVP secured investment and continues to scale.

View case study
App development project
The Holy Quran The Holy Quran The Holy Quran

The Holy Quran

Religion

The Holy Quran is a non-profit mobile app designed to help users study the Quran and learn about Islam. Volpis led full-cycle design and development for Android and iOS, focusing on usability and performance. Now one of the most trusted resources in the Muslim community, the app holds a 4.8 rating, 11,000+ reviews, and has surpassed 1 million downloads.

View case study
App development project
Rand One Rand One Rand One

Rand One

Fleet management app

Volpis helped Rand McNally launch Rand One — a mobile fleet app with real-time tracking, biometric login, and driver performance scoring. Developed for Android and iOS, the app replaces hardware GPS, improves accountability, and brings modern visibility tools to large-scale fleet operators across North America.

View case study
App development project

What our clients say

Software development company Client
Clarke Retzer
Director of Software,
Rand McNally
5.0

“Volpis delivered accurate work that showcased custom hardware components ahead of time, exceeding expectations. Moreover, the professional team ensured effective collaboration between teams through their high level of accountability, transparency, and genuine commitment to the project’s success.”

Software development company Client
James Parkes
Founder, Evexia Health International
5.0

“Though the product is not yet launched, Volpis hat met all deadlines and budget given. They have been amazing in application and communication. Moreover, the deliverables are of high quality..”

Software development company Client
Oleg Solovey
Managing Director, Hoerman-Intralogistics PL/CZ
5.0

“Although the project is still in the development phase, Volpis – Mobile and Web Development has successfully created a WMS interface that harmoniously aligns with the product vision, business processes, and marketing objectives, as the team demonstrates a strong commitment to meeting deadlines.”

Talib Omer
Owner, Peace Through Understanding
5.0

“The new features received positive feedback from users. Despite initial issues, their team made significant improvements to the application. Volpis’ team is motivated and communicative. They make engagements seamless. ”

Software development company Client
Dina Lam
CEO & Founder, Joydrop
5.0

“Volpis delivered a comprehensive business requirements document and a clickable prototype that improved user satisfaction. The team’s user-research insights were thorough and actionable. Volpis used Agile methodology, communicated efficiently, and stayed on top of milestone tracking. ”

Software development company Client
Jason Marvel
CEO, FlowMSP
5.0

“The app has received significantly more downloads. The speed of Volpis’ work and their technical expertise are highlights of the engagement. Their strategic insight is appreciated.”

Before You Hire Kotlin Developers: Essential Insights

How to hire a Kotlin developer: step-by-step guide (2026)

Android app development: Outsourcing vs. In-House ( How to choose)

Things to consider before hiring a Kotlin developer in 2026

Ready to Hire Kotlin Developers?

Tell us about your project – we’ll get back to you within 24 hours with a clear plan and transparent pricing.

Questions & Answers

FAQ

What is Kotlin, and why is it ideal for Android development?

Kotlin is a modern, statically-typed programming language designed by JetBrains, and it is officially supported by Google for Android development. It is ideal for Android development because it is fully interoperable with Java, concise, and has built-in safety features that reduce the risk of errors. 
 
Kotlin app development has gained popularity due to its robust features that enhance productivity and code quality. 
The Kotlin programming language allows developers to write clean and maintainable code, crucial for android app development. Thanks to its compatibility with Android Studio, Kotlin language enables smoother development workflows for Android mobile applications. 
 
With Kotlin app porting, you can seamlessly transition apps from Java to Kotlin language, maintaining performance and functionality. When you hire remote Kotlin app developers from us, we ensure you’ll be working with professionals who understand how to leverage the full potential of the Kotlin language, functional programming concepts, and Agile development for superior mobile experiences.

What experience do your Kotlin developers have?

Our Kotlin developers have 5+ years of experience on average, working on a variety of projects, from MVPs for startups to enterprise-grade applications. They have successfully delivered projects across industries like healthcare, e-commerce, AR/VR, and more. 
 
Our skilled Kotlin developers specialize in custom Kotlin app development, ensuring tailored solutions that meet specific business needs. We provide top-tier Kotlin app development services that offer quality, speed, and scalability. 
 
Our team has experience with complex Android app development challenges, creating high quality Android apps for the Google Play Store. We take pride in offering the best Kotlin developers who are ready to dive deep into each project, ensuring seamless integration and optimal results. 
 
By choosing us, you gain access to top Kotlin developers with expertise in leveraging Agile methodologies to develop apps that offer numerous functionalities and deliver great user experiences.

Why choose Volpis as your Kotlin development company?

We’ve been building Kotlin applications for 9+ years, with 50+ projects delivered and about 30 verified Clutch reviews. Unlike freelance platforms or generalist agencies, we focus on mobile product delivery – meaning our Kotlin developers bring both technical depth and product thinking to every engagement. You also get a dedicated project manager, transparent pricing, and a risk-free 40-hour trial to start.

How much does it cost to hire Kotlin developer?

The cost of hiring a Kotlin developer depends on the engagement model you choose—hourly, fixed price, or dedicated team. On average, our rates start at $30–$40 per hour. When you hire Kotlin developers, you get access to professionals who understand the value of long-term software development success. 
 
Our senior Kotlin developers ensure that every project is built efficiently, keeping your budget in mind. We offer remote Kotlin developers for greater flexibility in managing your project’s needs. 
 
Hiring senior developers on a fixed price model allows you to forecast costs with clarity, reducing risks related to over-spending. In addition, our engagement models are designed to align with your business goals, ensuring your Kotlin project success while sticking to your desired budget.

Can I scale my team of Kotlin experts as my project grows?

If you need to hire Kotlin app developers,  we offer scalable engagement models, allowing you to easily expand or reduce your development team based on your project’s evolving needs. Whether you require a senior software engineer, additional developers, QA engineers, or project managers, we can quickly adjust to support your goals. 
 
Scaling your team of Kotlin developers is made simple with our flexible approach, allowing you to add skilled Kotlin developers at any stage of your project. As your business grows, you may need to hire Kotlin app developers who are well-versed in handling the complexities of larger applications. 
 
Our team can expand in terms of expertise, adding specialists in areas like Android app development and server-side development. With our scalable solutions, you can quickly enhance your app development services while maintaining high quality. 
 
During the hiring process, we ensure that the right talent is available to meet your needs, whether it’s for small adjustments or large-scale expansion.

How long does it take to start working with your Kotlin programmer?

We can typically start within 1-2 weeks after the initial consultation. During this time, we finalize the project requirements, select the best-fit software engineers and align on engagement models and timelines.

 For urgent needs, we can expedite the process to meet your deadlines.  We understand the importance of Android mobile app development timelines, which is why we prioritize quick onboarding. 

When companies hire Kotlin developers from us, our project managers coordinate closely with the client to ensure every aspect of the app development process is aligned with business goals. Hiring dedicated Kotlin developers ensures that the project is not only completed on time but also meets the highest standards in terms of functionality and user experience. 

By working with dedicated Kotlin app developers, you ensure smooth and efficient development right from the start.

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