Kotlin
Expert Kotlin app development for native Android applications and Kotlin Multiplatform solutions.
In short
Kotlin is Google's preferred language for Android app development, offering null safety, concise syntax, and full interoperability with Java codebases. RaftLabs has built native Android apps, Kotlin Multiplatform projects, and backend services for clients in the US, UK, Australia, and Ireland, across events, employee engagement, and enterprise mobility. Our developers hold deep expertise in Jetpack, Coroutines, and KMM, enabling faster delivery and lower long-term maintenance costs.
Our Kotlin app development services for diverse industries
Custom App Development
We build feature-rich Kotlin mobile apps designed around your specific business goals and user workflows.
Native Performance
Apply Kotlin's native capabilities for smooth, responsive, and efficient mobile experiences.
Scalable and Flexible Apps
Build apps that adapt and scale reliably as your business and user base evolve.
User-Centric Design
Create intuitive and engaging user interfaces to enhance app usability and user satisfaction.
Ongoing Support
Ensure your app's continued success with expert maintenance, bug fixes, and performance monitoring.
How businesses use Kotlin to get ahead
Success stories
India
USAWe're experts in Kotlin development
- Our developers hold deep knowledge of Kotlin's core principles and best practices, ensuring efficient and maintainable code.
- We prioritize user experience, crafting intuitive and engaging interfaces that your users find easy to navigate.
- We work in agile sprints, collaborating closely with you throughout development for iterative, feedback-driven progress.
- Our team tracks the latest Kotlin advancements and industry trends, so your app benefits from proven, current solutions.
RaftLabs vs in-house vs freelancers
| RaftLabs | In-House | Freelance | |
|---|---|---|---|
| Time to hire top Kotlin developers | 1 day to 2 weeks | 4 to 6 weeks | 1 to 12 weeks |
| Project initiation time | 1 day to 2 weeks | 2 to 10 weeks | 1 to 10 weeks |
| Risk of project failure | Exceptionally low with a 98% success rate | Low | Very High |
| Developers supported by project management | Yes, dedicated PM and Agile processes | Varies | No |
| Exclusive development team | Yes, dedicated team guaranteed | Yes | No |
| Assurance of work quality | Yes, with quality assurance processes | Yes | Varies |
| Advanced development tools and workspace | Yes, enterprise-grade tools | Yes | Varies |
What powers our products
Industries we serve
- 01
Healthcare App Development
HIPAA-aware EHR integrations, patient portals, and clinical workflow tools for digital health startups and multi-location practices.
- 02
Fintech Software Development Company
Payment rails, neobank backends, lending origination, and RegTech compliance systems. Fixed-cost delivery for fintech startups.
- 03
Hospitality Software Development Company
Property management systems, direct booking engines, guest apps, and channel management for hotels, resorts, and serviced apartment groups.
- 04
Ecommerce Software Development Company
Custom ecommerce software for online retailers, B2B sellers, and marketplace operators, platform development, marketplace, headless commerce, AI personalisation, subscription, and B2B portals.
- 05
EdTech Software Development Company
Learning platforms, LMS, AI tutors, and school management systems for ed-startups and institutions scaling past generic tools.
- 06
B2B SaaS Development
B2B SaaS products, marketplaces, and creator platforms. Built end to end.
- 07
Loyalty Apps
Loyalty is about more than points, it's about building deeper engagement. When customers don't feel connected, retention drops. We've built systems like Aldifest, Instantor, and Energia Rewards that keep users coming back with personalized referrals, rewards, and multilingual experiences. These platforms make user experience simple and drive real business growth.
- 08
Media & Communication
We build production-ready media and communication apps: live streaming, on-demand content, social audio networks, and real-time video infrastructure. Delivered on time, built to handle real user loads.
Still Curious
Kotlin offers several advantages, including:
- Concise and expressive syntax: Easier to write and maintain compared to Java.
- Improved safety and security: Features like null safety minimize crashes and vulnerabilities.
- Interoperability with Java: Integrates directly with existing Java codebases.
- Modern and future-proof: Actively maintained and evolving with the latest Android advancements.
Costs vary depending on factors like experience, location, and project complexity. Kotlin developers generally command slightly higher rates compared to developers using older mobile languages, reflecting the productivity gains and lower maintenance overhead they deliver.
Several models are available, including:
- Full-time: Hire a dedicated developer to work on your project exclusively.
- Hourly: Pay for the developer's time used, offering flexibility for shorter projects.
- Project-based: Agree on a fixed price for the entire project, providing cost certainty.
Key skills include:
- Strong understanding of Kotlin syntax, principles, and best practices
- Experience in Android development and relevant frameworks (e.g., Jetpack)
- Excellent problem-solving and analytical abilities
- Effective communication and collaboration skills
RaftLabs offers a team of experienced Kotlin developers who can:
- Collaborate with you to understand your project requirements and goals.
- Build user-centric and engaging mobile apps using Kotlin's full capabilities.
- Apply agile methodologies for flexible and iterative development.
- Stay current with the latest Kotlin advancements and industry trends.