Kotlin Developer Job Description Template

Need a skilled Kotlin Developer fast? Use our job description template to attract top talent and streamline your hiring for high-performance web apps.

Kotlin is a modern, open-source programming language developed by JetBrains for building Android applications, server-side applications, and multi-platform projects. It emphasizes safety, conciseness, and interoperability with Java, making it a top choice for Android and backend development.

Kotlin provides strong type safety, null-safety features, and expressive syntax, helping developers write reliable and maintainable code. Its seamless interoperability with Java allows leveraging existing codebases and libraries efficiently.

Because of its versatility and performance, Kotlin is widely used for developing Android mobile apps, backend services with Kotlin/Java frameworks, and cross-platform applications with Kotlin Multiplatform. It supports functional and object-oriented programming paradigms.

Organizations like Google, Trello, and Netflix rely on Kotlin to build high-performance, scalable, and maintainable applications. Its active community, rich ecosystem, and modern language features make it ideal for mobile-first and enterprise-grade projects.

If you’re looking to hire a Kotlin Developer, the following template provides a detailed job description, covering role expectations, responsibilities, required skills, and benefits.

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Kotlin Developer Job Description Template

Copy this template, and modify it as your own:

Job Description:

We are looking for an experienced Kotlin Developer with 4 years of experience in Android and backend development. In this role, you will be responsible for building robust, scalable, and high-performance applications using Kotlin. You will collaborate with our team of designers and backend developers to deliver high-quality mobile and server-side solutions, optimize performance, and ensure seamless integration with APIs and databases.

Job Responsibilities:

  • Develop and maintain Android applications using Kotlin and Android SDK.
  • Design clean, reusable, and scalable application architecture.
  • Integrate RESTful APIs, GraphQL, and third-party services.
  • Collaborate with UI/UX designers to implement responsive user interfaces.
  • Ensure app performance, reliability, and security.
  • Write and maintain unit and integration tests for mobile and backend components.
  • Debug and troubleshoot technical issues efficiently and proactively.
  • Participate in code reviews and maintain high-quality coding standards.
  • Handle deployment, monitoring, and updates through Google Play or server environments.
  • Document architecture, APIs, and development workflows for team reference.
  • Stay updated with the latest Kotlin and Android development trends and tools.
  • Mentor junior developers and contribute to knowledge sharing within the team.

Required Skills:

  • Strong proficiency in Kotlin and Android development ecosystem.
  • Experience with Android Jetpack, Compose, and core Android frameworks.
  • Knowledge of RESTful APIs, GraphQL, and JSON parsing.
  • Familiarity with databases like SQLite, Room, or Realm.
  • Experience with version control systems such as Git.
  • Understanding of app performance optimization and memory management.
  • Experience with unit testing, UI testing, and test automation frameworks.
  • Knowledge of secure coding practices and Android security guidelines.
  • Strong debugging, problem-solving, and analytical skills.
  • Excellent collaboration and communication abilities within cross-functional teams.
  • Familiarity with Agile development processes and CI/CD pipelines is a plus.
  • Experience with Kotlin Multiplatform or backend frameworks (Ktor, Spring) is a plus.

Perks and Benefits:

  1. Flexible working hours with remote/hybrid options.
  2. Access to online Kotlin and Android development courses and certifications.
  3. Collaborative, innovative, and supportive team environment.
  4. Competitive salary with performance-based bonuses.
  5. Health and wellness benefits, including insurance coverage.
  6. Opportunity to contribute to open-source Kotlin projects.
  7. Career growth through mentorship, training, and workshops.
  8. Diverse and inclusive workplace culture fostering creativity.
  9. Exposure to projects across multiple industries and technologies.
  10. Support for attending conferences, meetups, and tech events.

Salary Expectations:

$85k – $135k yearly

Hire Remote Kotlin Developers

Profile of Oleksandr M., Lead Mobile Engineer - Android, Kotlin and Clean Architecture at Softaims
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Softaims
Oleksandr M., Lead Mobile Engineer - Android, Kotlin and Clean Architecture at Softaims

Oleksandr M.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: UkraineUkraine
Dnipro
Oleksandr M. | SoftaimsMember Since 2015
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KotlinNative App DevelopmentMobile App DevelopmentAndroid App DevelopmentMobile App Development ConsultationAndroidJavaSQLiteGraphQLClean ArchitectureJetPackCameraSmartphoneUser Authentication

My name is Oleksandr M. and I have over 10 years of experience in the tech industry. I specialize in the following technologies: Native App Development, Mobile App Development, Android App Development, Mobile App Development Consultation, Android, etc.. I hold a degree in Bachelor of Engineering (BEng), . Some of the notable projects I’ve worked on include: NDA (Tech Lead/Team lead), Billo (Senior Android Developer), Dashcam (Senior Android Developer), Verisure Watch (Senior Android Developer), easyApp, etc.. I am based in Dnipro, Ukraine. I've successfully completed 14 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
1 Year
Availability
Full-time
Hourly Rate
$40
Rating
Previous Company
MobiDev
Profile of Jhaman D., Senior Mobile Engineer - Android, Kotlin and Native App Development at Softaims
View full profile
Softaims
Jhaman D., Senior Mobile Engineer - Android, Kotlin and Native App Development at Softaims

Jhaman D.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+02:00UTC+02:00
Country: GermanyGermany
Karlsruhe
Jhaman D. | SoftaimsMember Since 2020
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KotlinNative App DevelopmentFirebaseRetrofitSmartphoneIn-App PurchasesMobile App DevelopmentAndroid App DevelopmentAndroid SDKDagger 2StripeRESTful APICore JavaModel View ViewModel

My name is Jhaman D. and I have over 5 years of experience in the tech industry. I specialize in the following technologies: Native App Development, Firebase, Retrofit, Kotlin, Smartphone, etc.. I hold a degree in Bachelor's degree, Other, Master's degree. Some of the notable projects I’ve worked on include: Android IPTV app, Tapmad TV, STS Rent a Car. I am based in Karlsruhe, Germany. I've successfully completed 3 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
5 years
Availability
Full-time
Hourly Rate
$50
Rating
Previous Company
Deutsche Telekom
Profile of Jay Kumar P., Lead Mobile Engineer - Android, Kotlin and AI Platforms at Softaims
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Softaims
Jay Kumar P., Lead Mobile Engineer - Android, Kotlin and AI Platforms at Softaims

Jay Kumar P.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC-03:00UTC-03:00
Country: CanadaCanada
Halifax
Jay Kumar P. | SoftaimsMember Since 2014
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KotlinAndroid SDKAndroid App DevelopmentJetPackDagger 2CoroutineRxJavaAPI IntegrationPerformance OptimizationIn-App PurchasesApplication SecurityAndroid Room PersistenceAI Mobile App DevelopmentRoomGradle

My name is Jay Kumar P. and I have over 11 years of experience in the tech industry. I specialize in the following technologies: Android SDK, Android App Development, Kotlin, JetPack, Dagger 2, etc.. I hold a degree in Bachelor of Engineering (BEng), High school degree. Some of the notable projects I’ve worked on include: Paramount+ Streaming Service Platform (50M+ Downloads, upGrad – Online Learning Platform (5M+ Downloads, Way - Auto super app (500K+ Downloads. I am based in Halifax, Canada. I've successfully completed 3 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
$75
Rating
Previous Company
IBM Canada
Profile of Norayr M., Junior Mobile Engineer - Android, Kotlin and React Native at Softaims
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Softaims
Norayr M., Junior Mobile Engineer - Android, Kotlin and React Native at Softaims

Norayr M.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+04:00UTC+04:00
Country: ArmeniaArmenia
Khanjyan
Norayr M. | SoftaimsMember Since 2024
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KotlinAndroidGitGitHubGradleAndroid SDKAndroid StudioJavaRxJavaRESTful APIWebsocketsReactive ProgrammingDependency Injection FrameworkRoomReact NativeNextjs

My name is Norayr M. and I have over 1 years of experience in the tech industry. I specialize in the following technologies: Android, Git, GitHub, Gradle, Android SDK, etc.. I hold a degree in Bachelor of Computer Science (BCompSc), Master of Computer Science (MSCS). Some of the notable projects I’ve worked on include: Articles, BiometricPromptManager, SwipeToDelete, PhoneContactsSearch, ComposePaging3Caching, etc.. I am based in Khanjyan, Armenia. I've successfully completed 6 projects while developing at Softaims. I specialize in architecting and developing scalable, distributed systems that handle high demands and complex information flows. My focus is on building fault-tolerant infrastructure using modern cloud practices and modular patterns. I excel at diagnosing and resolving intricate concurrency and scaling issues across large platforms. Collaboration is central to my success; I enjoy working with fellow technical experts and product managers to define clear technical roadmaps. This structured approach allows the team at Softaims to consistently deliver high-availability solutions that can easily adapt to exponential growth. I maintain a proactive approach to security and performance, treating them as integral components of the design process, not as afterthoughts. My ultimate goal is to build the foundational technology that powers client success and innovation.

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Experience
1 year
Availability
Full-time
Hourly Rate
$25
Rating
Previous Company
PicsArt
Profile of Ahmet B., Senior Mobile Engineer - Kotlin, Swift and AI Platforms at Softaims
View full profile
Softaims
Ahmet B., Senior Mobile Engineer - Kotlin, Swift and AI Platforms at Softaims

Ahmet B.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: TurkeyTurkey
Gaziantep
Ahmet B. | SoftaimsMember Since 2021
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KotlinAndroid App DevelopmentiOS DevelopmentSwiftUser Interface DesignJetPackSwiftUIMobile UI DesignIn-App PurchasesFirebaseUser AuthenticationApple Watch ApplicationApple TV ApplicationAI App DevelopmentRESTful API

My name is Ahmet B. and I have over 4 years of experience in the tech industry. I specialize in the following technologies: Kotlin, Android App Development, iOS Development, Swift, User Interface Design, etc.. I hold a degree in Bachelor of Engineering (BEng). Some of the notable projects I’ve worked on include: Core Data in SwiftUI, MVVM Clean Architecture in Swift, Firebase User Authentication with Firebase Cloud Firestore in SwiftUI, Food App in SwiftUI, ChatGPT Chatbot in SwiftUI, etc.. I am based in Gaziantep, Turkey. I've successfully completed 18 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
4 years
Availability
Full-time
Hourly Rate
$25
Rating
Previous Company
Getir
Profile of Nikola C., Senior Mobile Engineer - Kotlin, Swift and Android/iOS Platforms at Softaims
View full profile
Softaims
Nikola C., Senior Mobile Engineer - Kotlin, Swift and Android/iOS Platforms at Softaims

Nikola C.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+02:00UTC+02:00
Country: Bosnia and HerzegovinaBosnia and Herzegovina
Sarajevo
Nikola C. | SoftaimsMember Since 2020
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KotlinSQLAndroidAndroid App DevelopmentSwiftNative App DevelopmentiOSiOS DevelopmentMobile AppText RecognitionFirebaseTwilioStripeHIPAAWebRTC

My name is Nikola C. and I have over 5 years of experience in the tech industry. I specialize in the following technologies: Kotlin, SQL, Android, Android App Development, Swift, etc.. I hold a degree in . Some of the notable projects I’ve worked on include: FireWire, Musa Keys, Crackyl, Choo - Reimbursement easy, DeadStock, etc.. I am based in Sarajevo, Bosnia and Herzegovina. I've successfully completed 8 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
Mistral Technologies
Profile of Jazelle Ann C., Lead Mobile Engineer - React Native, Kotlin and iOS/Android Platforms at Softaims
View full profile
Softaims
Jazelle Ann C., Lead Mobile Engineer - React Native, Kotlin and iOS/Android Platforms at Softaims

Jazelle Ann C.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+08:00UTC+08:00
Country: PhilippinesPhilippines
Urdaneta
Jazelle Ann C. | SoftaimsMember Since 2018
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KotliniOSAndroidJavaJavaScriptC++FirebaseReact NativeGoogle SheetsIT ConsultationAppSheetWordPressMobile App DesignProgressive Web AppNextjs

My name is Jazelle Ann C. and I have over 7 years of experience in the tech industry. I specialize in the following technologies: iOS, Android, Java, JavaScript, C++, etc.. I hold a degree in Master of Computer Applications (MCA), Bachelor of Education (BEd). Some of the notable projects I’ve worked on include: Mobile App Design Prototype using Figma, Linked Online Social Networking App, Cope the New Blend - in a Bag!, BIPS Cosmetic Enterprise, BipsCalls, etc.. I am based in Urdaneta, Philippines. I've successfully completed 6 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
7 years
Availability
Full-time
Hourly Rate
$25
Rating
Previous Company
Grab Philippines
Profile of Julia K., Senior Mobile Engineer - Swift, Kotlin and AI Platforms at Softaims
View full profile
Softaims
Julia K., Senior Mobile Engineer - Swift, Kotlin and AI Platforms at Softaims

Julia K.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+04:00UTC+04:00
Country: United Arab EmiratesUnited Arab Emirates
Dubai
Julia K. | SoftaimsMember Since 2020
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KotlinMobile App DevelopmentSwiftFlutterPythoniOS DevelopmentMobile AppMobile App DesignUX & UIUX & UI DesignFlutter StackApp DevelopmentDartMobile App Development ConsultationAI Mobile App Development

My name is Julia K. and I have over 5 years of experience in the tech industry. I specialize in the following technologies: Mobile App Development, Swift, Kotlin, Flutter, Python, etc.. I hold a degree in Bachelor of Computer Science (BCompSc). Some of the notable projects I’ve worked on include: $15M Sleep Tracker App - iOS Mobile App Development, $3M+ Travel Assistant - Full stack development (Flutter + Supabase), &Again - Flutter Developer E-commerce Marketplace App ($10K+ in MRR), Mental Health - AI-powered Flutter App Development, Book Summarizer AI Powered Flutter + Node.js App, etc.. I am based in Dubai, United Arab Emirates. I've successfully completed 11 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
5 years
Availability
Full-time
Hourly Rate
$50
Rating
Previous Company
Careem
Profile of Oleg S., Lead Mobile Engineer - Android, Kotlin and Native App Development at Softaims
View full profile
Softaims
Oleg S., Lead Mobile Engineer - Android, Kotlin and Native App Development at Softaims

Oleg S.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+03:00UTC+03:00
Country: UkraineUkraine
Kharkiv
Oleg S. | SoftaimsMember Since 2017
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KotlinJavaNative App DevelopmentTabletFirebaseSmartphoneUser Profile CreationAndroidIn-App PurchasesUser Authentication

My name is Oleg S. and I have over 8 years of experience in the tech industry. I specialize in the following technologies: Java, Native App Development, Tablet, Firebase, Kotlin, etc.. I hold a degree in Master of Computer Applications (M.C.A.), Bachelor of Engineering (B.Eng.), Associate of Science (A.S.). Some of the notable projects I’ve worked on include: myLanguage, Plural.io, Teleprompter for Video, Kuvacash, Cinamaker. I am based in Kharkiv, Ukraine. I've successfully completed 5 projects while developing at Softaims. I'm committed to continuous learning, always striving to stay current with the latest industry trends and technical methodologies. My work is driven by a genuine passion for solving complex, real-world challenges through creative and highly effective solutions. Through close collaboration with cross-functional teams, I've consistently helped businesses optimize critical processes, significantly improve user experiences, and build robust, scalable systems designed to last. My professional philosophy is truly holistic: the goal isn't just to execute a task, but to deeply understand the project's broader business context. I place a high priority on user-centered design, maintaining rigorous quality standards, and directly achieving business goals—ensuring the solutions I build are technically sound and perfectly aligned with the client's vision. This rigorous approach is a hallmark of the development standards at Softaims. Ultimately, my focus is on delivering measurable impact. I aim to contribute to impactful projects that directly help organizations grow and thrive in today’s highly competitive landscape. I look forward to continuing to drive success for clients as a key professional at Softaims.

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Experience
8 years
Availability
Full-time
Hourly Rate
$35
Rating
Previous Company
MobiDev
Profile of Vlad Z., Lead Mobile Engineer - Swift, Kotlin and Augmented Reality Platforms at Softaims
View full profile
Softaims
Vlad Z., Lead Mobile Engineer - Swift, Kotlin and Augmented Reality Platforms at Softaims

Vlad Z.

kotlin

Verified BadgeVerified Expert in Engineering
Timezone: UTC+04:00UTC+04:00
Country: ArmeniaArmenia
Yerevan
Vlad Z. | SoftaimsMember Since 2015
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KotliniOS DevelopmentAndroid App DevelopmentMobile App DevelopmentSwiftSwiftUIAugmented RealityLidarFirebasePythonARKitARCoreDjangoiOSPoint Cloud to BIM

My name is Vlad Z. and I have over 10 years of experience in the tech industry. I specialize in the following technologies: iOS Development, Android App Development, Mobile App Development, Swift, Kotlin, etc.. I hold a degree in Master of Computer Science (MSCS), Bachelor of Technology (BTech). Some of the notable projects I've worked on include: [IOS] AI-Powered Augmented Reality Platform, [IOS] AI-powered chat for kids, [iOS] Scheduling automation platform, [IOS] Live Musical Lessons, [Android] Crypto Asset Broker, etc.. I am based in Yerevan, Armenia. I've successfully completed 23 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
1 Year
Availability
More than 30 hrs/week
Hourly Rate
$75
Rating
Previous Company
Quality Wolves LLC

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Testimonials

Working with Softaims allowed us to quickly onboard highly skilled engineers who integrated seamlessly with our team. The experience was smooth and the results exceeded our expectations.

The Softaims platform gave us access to developers who immediately added value. Their expertise and professionalism made the entire process seamless.

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