What is Kotlin used for?

The question is about kotlin

Answer

Kotlin is a modern, statically typed programming language used for Android development, backend applications, and cross-platform solutions. It offers concise syntax, null safety, and full interoperability with Java, making it ideal for mobile apps, enterprise software, RESTful APIs, and microservices.

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Profile of Konstantin M., Lead Mobile Engineer - Android, iOS and Kotlin Platforms at Softaims
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Softaims
Konstantin M., Lead Mobile Engineer - Android, iOS and Kotlin Platforms at Softaims

Konstantin M.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: EstoniaEstonia
Tallinn
Konstantin M. | SoftaimsMember Since 2012
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KotlinAndroid App DevelopmentiOS DevelopmentAndroid SDKSwift

My name is Konstantin M. and I have over 13 years of experience in the tech industry. I specialize in the following technologies: Android App Development, iOS Development, Kotlin, Android SDK, Swift. I hold a degree in Bachelors. Some of the notable projects I’ve worked on include: Android Privacy Audit App, Android VPN, Duplicate Photo Finder, Android Antivirus App. I am based in Tallinn, Estonia. I've successfully completed 4 projects while developing at Softaims. I approach every technical challenge with a mindset geared toward engineering excellence and robust solution architecture. I thrive on translating complex business requirements into elegant, efficient, and maintainable outputs. My expertise lies in diagnosing and optimizing system performance, ensuring that the deliverables are fast, reliable, and future-proof. The core of my work involves adopting best practices and a disciplined methodology, focusing on meticulous planning and thorough verification. I believe that sustainable solution development requires discipline and a deep commitment to quality from inception to deployment. At Softaims, I leverage these skills daily to build resilient systems that stand the test of time. I am dedicated to making a tangible difference in client success. I prioritize clear communication and transparency throughout the development lifecycle to ensure every deliverable exceeds expectations.

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Experience
13 years
Availability
Full-time
Hourly Rate
$50
Rating
Previous Company
Bolt
Profile of Yahia R., Senior Mobile Engineer - Android, Firebase and Kotlin Platforms at Softaims
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Softaims
Yahia R., Senior Mobile Engineer - Android, Firebase and Kotlin Platforms at Softaims

Yahia R.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+01:00UTC+01:00
Country: AlgeriaAlgeria
Jijel
Yahia R. | SoftaimsMember Since 2020
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KotlinAndroidUnit TestingFirebaseMySQLMongoDBAndroid App DevelopmentRoomAgora.ioDependency Injection FrameworkGoogle AdsRetrofitGoogle PlayFirebase Cloud FirestoreFirebase Realtime Database

My name is Yahia R. and I have over 5 years of experience in the tech industry. I specialize in the following technologies: Android, Unit Testing, Kotlin, Firebase, MySQL, etc.. I hold a degree in High school degree. Some of the notable projects I’ve worked on include: OneXp - Golf Coaching Sports app, HubHello - Early childhood care and education platform, Slock (lock-scren app with rewards), Social media app for donating medicines, Travel agency app (Desktop), etc.. I am based in Jijel, Algeria. I've successfully completed 6 projects while developing at Softaims. My passion is building solutions that are not only technically sound but also deliver an exceptional user experience (UX). I constantly advocate for user-centered design principles, ensuring that the final product is intuitive, accessible, and solves real user problems effectively. I bridge the gap between technical possibilities and the overall product vision. Working within the Softaims team, I contribute by bringing a perspective that integrates business goals with technical constraints, resulting in solutions that are both practical and innovative. I have a strong track record of rapidly prototyping and iterating based on feedback to drive optimal solution fit. I’m committed to contributing to a positive and collaborative team environment, sharing knowledge, and helping colleagues grow their skills, all while pushing the boundaries of what's possible in solution development.

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Experience
5 years
Availability
Full-time
Hourly Rate
$25
Rating
Previous Company
Mobilis
Profile of Fabio R., Lead Mobile Engineer - Android, Kotlin and Google Play Platforms at Softaims
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Softaims
Fabio R., Lead Mobile Engineer - Android, Kotlin and Google Play Platforms at Softaims

Fabio R.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC-03:00UTC-03:00
Country: BrazilBrazil
Sao Paulo
Fabio R. | SoftaimsMember Since 2018
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KotlinAndroidJavaAPI IntegrationSQLiteUser Profile CreationSocial Media Account IntegrationMobile Payment FunctionalityGoogle Maps APIFirebaseAndroid App DevelopmentModel View ViewModelGradleAndroid SDKGoogle Play

My name is Fabio R. and I have over 7 years of experience in the tech industry. I specialize in the following technologies: Android, Kotlin, Java, API Integration, SQLite, etc.. I hold a degree in Bachelor of Engineering (BEng). Some of the notable projects I’ve worked on include: Good Coach, an app to plan workouts and evaluate performance, Jeitto, a microcredit app, Kindly, a social impact app, Statistics screen implementation in Sportowa Faza, a fitness app, Cat Facts, an app with curiosities about cats. I am based in Sao Paulo, Brazil. I've successfully completed 5 projects while developing at Softaims. I am a dedicated innovator who constantly explores and integrates emerging technologies to give projects a competitive edge. I possess a forward-thinking mindset, always evaluating new tools and methodologies to optimize development workflows and enhance application capabilities. Staying ahead of the curve is my default setting. At Softaims, I apply this innovative spirit to solve legacy system challenges and build greenfield solutions that define new industry standards. My commitment is to deliver cutting-edge solutions that are both reliable and groundbreaking. My professional drive is fueled by a desire to automate, optimize, and create highly efficient processes. I thrive in dynamic environments where my ability to quickly master and deploy new skills directly impacts project delivery and client satisfaction.

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Experience
7 years
Availability
Full-time
Hourly Rate
$35
Rating
Previous Company
Movile
Profile of Sergii K., Senior Mobile Engineer - Android, Kotlin and Clean Architecture at Softaims
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Softaims
Sergii K., Senior Mobile Engineer - Android, Kotlin and Clean Architecture at Softaims

Sergii K.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: UkraineUkraine
Melitopol'
Sergii K. | SoftaimsMember Since 2019
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KotlinJavaFirebaseRetrofitAndroid SDKJetPackClean ArchitectureCoroutineJSONGitDagger 2REST APIData BindingGoogle APIsSQLite Programming

My name is Sergii K. and I have over 6 years of experience in the tech industry. I specialize in the following technologies: Kotlin, Java, Firebase, Retrofit, Android SDK, etc.. I hold a degree in Bachelor of Computer Science (BCompSc). Some of the notable projects I’ve worked on include: Cryptocurrency Wallet, Online Document App, Photo sharing app, VPN App, SportShop, etc.. I am based in Melitopol', Ukraine. I've successfully completed 10 projects while developing at Softaims. I possess comprehensive technical expertise across the entire solution lifecycle, from user interfaces and information management to system architecture and deployment pipelines. This end-to-end perspective allows me to build solutions that are harmonious and efficient across all functional layers. I excel at managing technical health and ensuring that every component of the system adheres to the highest standards of performance and security. Working at Softaims, I ensure that integration is seamless and the overall architecture is sound and well-defined. My commitment is to taking full ownership of project delivery, moving quickly and decisively to resolve issues and deliver high-quality features that meet or exceed the client's commercial objectives.

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Experience
6 years
Availability
Full-time
Hourly Rate
$30
Rating
Previous Company
MobiDev
Profile of Phuoc D., Lead Mobile Engineer - Flutter, Kotlin and Android Platforms at Softaims
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Softaims
Phuoc D., Lead Mobile Engineer - Flutter, Kotlin and Android Platforms at Softaims

Phuoc D.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+07:00UTC+07:00
Country: VietnamVietnam
Hanoi
Phuoc D. | SoftaimsMember Since 2013
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KotlinC#C++JavaSwiftMap IntegrationMapboxDartFlutterIn-App PurchasesAndroid App DevelopmentJSONRustGoogle MapsIn-App Subscription

My name is Phuoc D. and I have over 12 years of experience in the tech industry. I specialize in the following technologies: C#, C++, Java, Kotlin, Swift, etc.. I hold a degree in Bachelor's. Some of the notable projects I’ve worked on include: Lotus Yoga, Dumpster: Recover My Deleted Picture & Video Files, Goong Map & Navigation, Cool Wallpapers, Icheck E-commerce App, etc.. I am based in Hanoi, Vietnam. I've successfully completed 13 projects while developing at Softaims. Information integrity and application security are my highest priorities in development. I implement robust validation, encryption, and authorization mechanisms to protect sensitive data and ensure compliance. I am experienced in identifying and mitigating common security vulnerabilities in both new and existing applications. My work methodology involves rigorous testing—at the unit, integration, and security levels—to guarantee the stability and trustworthiness of the solutions I build. At Softaims, this dedication to security forms the basis for client trust and platform reliability. I consistently monitor and improve system performance, utilizing metrics to drive optimization efforts. I’m motivated by the challenge of creating ultra-reliable systems that safeguard client assets and user data.

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Experience
12 years
Availability
Full-time
Hourly Rate
$25
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Previous Company
TMA Solutions
Profile of Valentyn Y., Lead Mobile Engineer - Android, Kotlin and Java Platforms at Softaims
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Softaims
Valentyn Y., Lead Mobile Engineer - Android, Kotlin and Java Platforms at Softaims

Valentyn Y.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: UkraineUkraine
Kyiv
Valentyn Y. | SoftaimsMember Since 2014
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KotlinJavaAndroid App Development

My name is Valentyn Y. and I have over 11 years of experience in the tech industry. I specialize in the following technologies: Kotlin, Java, Android App Development. I hold a degree in Bachelor's degree. Some of the notable projects I’ve worked on include: Travel application, Photo printing app, Freights tracking app for managers, Tracking app for couriers. I am based in Kyiv, Ukraine. I've successfully completed 4 projects while developing at Softaims. I am a business-driven professional; my technical decisions are consistently guided by the principle of maximizing business value and achieving measurable ROI for the client. I view technical expertise as a tool for creating competitive advantages and solving commercial problems, not just as a technical exercise. I actively participate in defining key performance indicators (KPIs) and ensuring that the features I build directly contribute to improving those metrics. My commitment to Softaims is to deliver solutions that are not only technically excellent but also strategically impactful. I maintain a strong focus on the end-goal: delivering a product that solves a genuine market need. I am committed to a development cycle that is fast, focused, and aligned with the ultimate success of the client's business.

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Experience
11 years
Availability
Full-time
Hourly Rate
$40
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MobiDev
Profile of Vedat B., Junior Mobile Engineer - Kotlin, Java and Android Platforms at Softaims
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Softaims
Vedat B., Junior Mobile Engineer - Kotlin, Java and Android Platforms at Softaims

Vedat B.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: TurkeyTurkey
Manisa
Vedat B. | SoftaimsMember Since 2025
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KotlinAndroid App DevelopmentApp DevelopmentMobile AppJavaPythonXMLC#

My name is Vedat B. and I have over 2 years of experience in the tech industry. I specialize in the following technologies: Android App Development, App Development, Mobile App, Kotlin, Java, etc.. I hold a degree in Bachelor's degree. Some of the notable projects I’ve worked on include: Tabo : Taboo Party Game, Shut The Box : Fun Board Game, Troya Event Çanakkale. I am based in Manisa, Turkey. I've successfully completed 3 projects while developing at Softaims. My expertise lies in deeply understanding and optimizing solution performance. I have a proven ability to profile systems, analyze data access methods, and implement caching strategies that dramatically reduce latency and improve responsiveness under load. I turn slow systems into high-speed performers. I focus on writing highly efficient, clean, and well-documented code that minimizes resource consumption without sacrificing functionality. This dedication to efficiency is how I contribute measurable value to Softaims’ clients by reducing infrastructure costs and improving user satisfaction. I approach every project with a critical eye for potential bottlenecks, proactively designing systems that are efficient from the ground up. I am committed to delivering software that sets the standard for speed and reliability.

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Experience
2 years
Availability
Full-time
Hourly Rate
$25
Rating
Previous Company
Türk Telekom
Profile of Jesus T., Senior Mobile Engineer - Android, Kotlin and CI/CD Platforms at Softaims
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Softaims
Jesus T., Senior Mobile Engineer - Android, Kotlin and CI/CD Platforms at Softaims

Jesus T.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC-04:00UTC-04:00
Country: VenezuelaVenezuela
Caracas
Jesus T. | SoftaimsMember Since 2019
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KotlinJavaXMLSQLAPI IntegrationAndroidUnit TestingAndroid App DevelopmentMobile App DevelopmentModel View ViewModelAndroid AppFirebaseRESTful APIAndroid UI DesignCI/CD

My name is Jesus T. and I have over 6 years of experience in the tech industry. I specialize in the following technologies: Kotlin, Java, XML, SQL, API Integration, etc.. I hold a degree in . Some of the notable projects I’ve worked on include: Places App, Ez Parking, Suppervision App. I am based in Caracas, Venezuela. I've successfully completed 3 projects while developing at Softaims. My passion is building solutions that are not only technically sound but also deliver an exceptional user experience (UX). I constantly advocate for user-centered design principles, ensuring that the final product is intuitive, accessible, and solves real user problems effectively. I bridge the gap between technical possibilities and the overall product vision. Working within the Softaims team, I contribute by bringing a perspective that integrates business goals with technical constraints, resulting in solutions that are both practical and innovative. I have a strong track record of rapidly prototyping and iterating based on feedback to drive optimal solution fit. I’m committed to contributing to a positive and collaborative team environment, sharing knowledge, and helping colleagues grow their skills, all while pushing the boundaries of what's possible in solution development.

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Experience
6 years
Availability
Full-time
Hourly Rate
$25
Rating
Previous Company
CANTV Móvil
Profile of Mohammed A., Lead Mobile Engineer - Android, Kotlin and Native App Development at Softaims
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Softaims
Mohammed A., Lead Mobile Engineer - Android, Kotlin and Native App Development at Softaims

Mohammed A.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: MoldovaMoldova
Chisinau
Mohammed A. | SoftaimsMember Since 2018
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KotlinAndroidMobile App DevelopmentJavaAPI IntegrationJetPackClean ArchitecturePush NotificationsNative App DevelopmentAndroid SDKAndroid App DevelopmentAndroid Studio

My name is Mohammed A. and I have over 7 years of experience in the tech industry. I specialize in the following technologies: Kotlin, Android, Mobile App Development, Java, API Integration, etc.. I hold a degree in Associate's degree, Bachelor's degree, Associate's degree. Some of the notable projects I’ve worked on include: App4Share, WrkSpot, ChatWise, veloradln, THPro - Credit Card Processing For Contractors. I am based in Chisinau, Moldova. I've successfully completed 5 projects while developing at Softaims. Information integrity and application security are my highest priorities in development. I implement robust validation, encryption, and authorization mechanisms to protect sensitive data and ensure compliance. I am experienced in identifying and mitigating common security vulnerabilities in both new and existing applications. My work methodology involves rigorous testing—at the unit, integration, and security levels—to guarantee the stability and trustworthiness of the solutions I build. At Softaims, this dedication to security forms the basis for client trust and platform reliability. I consistently monitor and improve system performance, utilizing metrics to drive optimization efforts. I’m motivated by the challenge of creating ultra-reliable systems that safeguard client assets and user data.

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Experience
7 years
Availability
Full-time
Hourly Rate
$30
Rating
Previous Company
Apptica
Profile of Ryan K., Senior Mobile Engineer - Android, Kotlin and Native App Development at Softaims
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Softaims
Ryan K., Senior Mobile Engineer - Android, Kotlin and Native App Development at Softaims

Ryan K.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: KenyaKenya
Nairobi
Ryan K. | SoftaimsMember Since 2020
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KotlinJavaAndroid App DevelopmentAndroidMobile App DevelopmentAndroid AppJetPackAndroid SDKGoogle PlayNative App DevelopmentSQLiteAPI IntegrationUX & UIGitFirebase

My name is Ryan K. and I have over 5 years of experience in the tech industry. I specialize in the following technologies: Java, Kotlin, Android App Development, Android, Mobile App Development, etc.. I hold a degree in Bachelor of Science (BS), Associate's degree. Some of the notable projects I’ve worked on include: Krypto, Bmi Calculator, Furniture App, MyBro SQL, ThingsToDo. I am based in Nairobi, Kenya. I've successfully completed 5 projects while developing at Softaims. I thrive on project diversity, possessing the adaptability to seamlessly transition between different technical stacks, industries, and team structures. This wide-ranging experience allows me to bring unique perspectives and proven solutions from one domain to another, significantly enhancing the problem-solving process. I quickly become proficient in new technologies as required, focusing on delivering immediate, high-quality value. At Softaims, I leverage this adaptability to ensure project continuity and success, regardless of the evolving technical landscape. My work philosophy centers on being a resilient and resourceful team member. I prioritize finding pragmatic, scalable solutions that not only meet the current needs but also provide a flexible foundation for future development and changes.

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Experience
5 years
Availability
Full-time
Hourly Rate
$25
Rating
Previous Company
Jumia

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