Hire the best Kotlin Developers in Da Nang, VN
Check out Kotlin Developers in Da Nang, VN with the skills you need for your next job.
- $42 hourly
- 5.0/5
- (67 jobs)
✅ Top Rated Plus Upwork Engineer ✅ 100% Job Success Hey there! 👋 I'm An, a expert Engineer with 12+ years of experience at big tech companies. I'm experienced leading, designing and implementing core mobile features in fast-paced, technology-driven environments with worldwide impact and multiple stakeholders. I am fluent in English and have experience working with scalable and testable code, REST APIs, multiple design patterns, CI/CD pipelines and version control. I'm excited to bring my experience and skills to new projects and deliver high-quality work on time and within budget. Let's make great apps together!
Kotlin
Android AppBlockchain DevelopmentPayPalweb3.jsStripeRESTful APIFirebaseAndroidSwiftTwilio APIMap IntegrationObjective-CFlutter - $20 hourly
- 5.0/5
- (26 jobs)
🌟🌟🌟 TOP RATED 🌟🌟🌟 📌 CAN DO BOTH ANDROID + iOS, BOTH NATIVE AND CROSS-PLATFORM • Highly motivated and focused IT Engineer • More than 6 years of professional experience as Android - iOS developer, Technical Lead. • Created many user-friendly, aesthetically pleasing and fully functional applications for Android and iOS • Experienced in leading teams sized 4-6 members. • Experienced working in multiple kinds of project • Experienced in requirements analysis and functions/user flow design. • Quick learning, implementation and easy adoption to new technologies Skills: Java/Kotlin (Proficient, 9/10), Swift (Proficient, 9/10), Objective-C (Proficient, 9/10), API with PHP (Knowledgeable, 7/10), Angular JS (Knowledgeable, 8/10), Node JS (Knowledgeable, 7/10) IDEs: Eclipse (Proficient, 9/10), Android Studio (Proficient, 9/10), Sketch (Knowledgeable, 7/10), Photoshop (Knowledgeable, 7/10), XD (Knowledgeable, 7/10), Notepad++ (Proficient, 9/10) Tools: SVN (Knowledgeable, 7/10), Jira (Knowledgeable, 7/10), Trello (Proficient, 8/10), GIT (Proficient, 8/10), Bitbucket (Proficient, 8/10), Gitlab (Proficient, 8/10)
Kotlin
FlutterAndroid App DevelopmentMobile App RedesignObjective-CSwiftiOS DevelopmentMobile App DevelopmentAndroidiOSBusiness with 1-9 EmployeesJavaScriptDartVue.jsLaravel - $35 hourly
- 5.0/5
- (8 jobs)
I’ve worked with the US Agile professional Team for several years, so I have got qualified the high-level skills and contributed to building several government-level projects. These are my skill sets. - The Agile Software Development Life Cycle, the Agile iteration workflow. - Professional Software development principle. - Airbnb JavaScript Styles. - Project and Code Organization. - Solid knowledge of Python & Django & Flask - Solid knowledge of Modern java script (Node.js, React.js, Vue.js, Angluar.js, Typescript, Next.js) - Solid knowledge and super experiences of React Native - Unit Testing with Enzyme and Mocha, Chai, Jest - User Interface Design Frame works (React Bootstrap, React Material UI, Styled Component, …) - Used Photoshop, Illustrator, Figma, OmniGraffle, or other visual design and wire-framing tools. - Used Git, Bitbucket as codebase versioning tools.
Kotlin
ShopifyDjangoNext.jsVue.jsJavaSwiftObjective-CGraphQLNode.jsPythonTypeScriptAngularReactReact Native - $7 hourly
- 5.0/5
- (3 jobs)
⭐️ Experienced Software QA Tester in both manual and automation testing. I am a dedicated and detail-oriented professional, committed to ensuring the highest quality of software products. ⭐️ I have successfully executed test plans, identified and reported bugs, and collaborated with cross-functional teams to resolve issues. I am proficient in creating and executing test cases, test scripts, and test scenarios, utilizing industry-standard tools and methodologies. ⭐️ My expertise lies in conducting functional, regression, integration, and performance testing to ensure the reliability and stability of software applications. I am well-versed in using automation tools such as Selenium WebDriver and JUnit for test automation, reducing manual effort and increasing efficiency. ⭐️ If you are seeking a dedicated and reliable Software QA Tester who can ensure the quality and functionality of your software applications, I am ready to collaborate with you. Let's discuss your requirements and how I can add value to your team. 📚 Skills that I have so far: ✅ Working experience on test automation frameworks (Selenium, Appium) ✅ Having knowledge about programming languages (Java, Kotlin, etc.) ✅ Working experience on test automation tools (Jenkins, JUnit, TestNG, etc.) ✅ Having knowledge and experience in API testing ✅ Working knowledge of tools like JIRA, Git and Github ✅ Experienced in test case design and execution as well as defect tracking and reporting ✅ Experienced in different types of testing: Functional testing, Non-functional testing, Regression testing, Ad-hoc testing, Exploratory testing, etc.
Kotlin
Mobile App TestingManual TestingAppiumWeb TestingTest Case DesignSelenium WebDriverAutomated TestingSoftware TestingJava - $22 hourly
- 5.0/5
- (2 jobs)
I am a Fullstack engineer with MERN skill. Recently I also regularly work on ChatGPT using OpenAI. And I have an outsourcing company with 40+ Engineers with 10+ years of experience in Software development based on Danang, Vietnam too. ◉ Our services ➊ Outsourcing Services ✓ Web Development ✓ Mobile Application Development ✓ Blockchain Technology Development ✓ QA & Testing services ✓ Offshore Software Development Center (OSDC) ✓ Dedicated Team ➋ Tech-Consulting ✓ Blockchain/Web3 Consulting ✓ Startup Tech-partner ✓ Software/Technical Consulting ✓ Cyber Security ➌ Product Development ✓ Blockchain/Web3 product ✓ Web/Mobile Application ➍ Blockchain services ✓ Build NFTs MarketPlace ✓ Build Smart Contract ✓ Cross-Chain/Side-Chain ✓ Build Blockchain Bridges ✓ Blockchain Wallet ✓ Build DeFi/ DeFi 2.0 ✓ DAO/Staking/Farm ✓ Private Blockchain ✓ Launchpad Platform ✓ Build Exchange ✓ Build TeamLab Blockchain ◉ Tech stacks ➊ Backend ✓ NodeJS (Typescript & Javascript): ExpressJS | NestJS ✓ .NET ✓ PHP ✓ Python ➋ Database ✓ MySQL, MariaDB ✓ PostgresQL ✓ MongoDB ➌ Cloud & DevOps ✓ AWS ✓ Azure ✓ GGC (Google Cloud) ✓ Docker, Jenkins, JMeter ➍ Frontend (Typescript & Javascript) ✓ ReactJS ✓ VueJS ✓ AngularJS ➎ Mobile ✓ Android: Java | Kotlin ✓ iOS: Objective C | Swift ✓ Flutter | React Native ➏ Blockchain ✓ Ethereum ✓ Solana ✓ Solidity ✓ Hyperledger ✓ Polygon ✓ BSC ✪ Software services and products are the things we can deliver to customers from every corner of the world. Having been through many obstacles and difficulties, our experienced engineers are excellent in software development and are able to offer technology solutions, as well as helping businesses in transforming ideas and requirements into prestige products for business.
Kotlin
API DevelopmentFull-Stack DevelopmentNestJSNext.jsBack-End DevelopmentFront-End Development.NET FrameworkRESTful APIBlockchainFlutterNode.jsReactJavaScriptTypeScript - $17 hourly
- 5.0/5
- (3 jobs)
I have created many applications for customers worldwide. With my experience, I know what customers need so I always make them happy with the delivery. In a normal application, I usually use MVVM architecture, kotlin language, reactivex Please hire me, I will give you the application with the highest performance and lowest cost.
Kotlin
Eclipse IDEJSONModel View ViewModelRxJavaWeb ServiceAndroid App DevelopmentMQTTAndroid - $28 hourly
- 4.7/5
- (61 jobs)
💎 100% JOB SUCCESS 🌟 40+ GREAT PRODUCTS WITH 5 STARS 📌 CAN DO BOTH ANDROID + iOS, BOTH NATIVE AND CROSS-PLATFORM ⚡ MVVM + RxJava/RxKotlin. MVVM + RxSwift/SwiftUI • Highly motivated and focused IT Engineer • More than 8 years of professional experience as Android - iOS developer, Technical Lead. • Created many user-friendly, aesthetically pleasing and fully functional applications for Android and iOS • Experienced in leading teams sized 4-6 members. • Experienced working in multiple kinds of project • Experienced in requirements analysis and functions/user flow design. • Quick learning, implementation and easy adoption to new technologies Skills: Java/Kotlin (Proficient, 9/10), Swift (Proficient, 9/10), Objective-C (Proficient, 9/10), API with PHP (Knowledgeable, 7/10), Angular JS (Knowledgeable, 8/10), Node JS (Knowledgeable, 7/10) IDEs: Eclipse (Proficient, 9/10), Android Studio (Proficient, 9/10), Sketch (Knowledgeable, 7/10), Photoshop (Knowledgeable, 7/10), XD (Knowledgeable, 7/10), Notepad++ (Proficient, 9/10) Tools: SVN (Knowledgeable, 7/10), Jira (Knowledgeable, 7/10), Trello (Proficient, 8/10), GIT (Proficient, 8/10), Bitbucket (Proficient, 8/10), Gitlab (Proficient, 8/10)
Kotlin
Project ManagementAndroid App DevelopmentiOS DevelopmentAngularPHPObjective-CSwiftNode.jsJava - $20 hourly
- 5.0/5
- (3 jobs)
I'm Hugo. I'm a professional Android developer with 10 years of experience in mobile development. I am self-motivated, enthusiastic, teamwork, and active. I have strong problem-solving skills and a keen attention to detail. I am proficient in both Java and Kotlin programming languages. I am keen on animation and user experiences to make clients win. Excellent communication skills and fast learner, eager to learn more. Skills: - I have extensive experience with Android SDK, Android Studio, and related development tools. - I have strong proficiency experience with GIT version control systems. - I am expertise in developing and implementing background tasks and services in Android (BroadcastReceiver, Services, AlarmManager, WorkManager, and JobScheduler). - Strong TDD & BDD with Android development. - Strong OOP (Object Oriented Programming). - Strong Design Pattern: Adapter, Singleton, Facade, Abstract, Builder, Observer, ChainOfResposivebility, MVC, MVP, MVVM, MVI. - Using the latest technologies: Kotlin, Jetpack Compose, Hilt, Dagger 2, RxAndroid, Data binding, View binding, Rest Full APIs, Realm, Retrofit, Coroutines, Material Design - Jenkins/Fastlane CI/CD for Android. - Experienced in R&D for POS devices, Panasonic Devices, CATIA v5, Fusion 360, MapBox, Autodesk, and BLE for Ring devices. -Be able to work on other related languages: Swift, Flutter, React Native, NodeJs (NestJs), Python, Firebase, AWS (AppStream 2.0, S3, EC2), CI/CD (Jenkins, GitlabCI). iOS skills: - I have 4+ years of iOS app development. - I am proficient in Swift programming. - Technologies used: Swift, Storyboard, UIKit, CoreData, User Preference, SwiftUI, Realm, File Storage, MVVM, VIPER, RxSwift, Profiles, Custom UI, CocaPod, Alarmofile EXPERTISE KEY Kotlin Java Swift Flutter Python NestJs R&D CI/CD UI/UX Teamwork Project Management
Kotlin
PythonNestJSJavaFlutterAndroidSwiftAndroid App Development - $14 hourly
- 5.0/5
- (2 jobs)
I’m a developer with experience in building Android App for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I have 3 years of experience in developing Android apps using Kotlin and related technologies. And now I'm researching and developing apps using Flutter. I am an experienced person in publishing apps to the CH Play store.
Kotlin
RxJavaDagger 2Model View ViewModelSQLiteIn-App AdvertisingMySQL - $20 hourly
- 0.0/5
- (2 jobs)
I am a dedicated Software Engineer with experience in developing mobile applications for iOS and Android, using both native technologies and cross-platform frameworks like Flutter, React Native. My background includes working on backend systems with Django, Node.js, serverless, and utilizing AWS for cloud infrastructure. I have a growing interest in Generative AI and Large Language Models (LLMs), and I've been exploring ways to integrate these technologies into applications to enhance natural language processing capabilities. Throughout my career, I've focused on delivering reliable and efficient solutions, always striving to write clean, optimized code. I enjoy staying informed about new developments in the tech industry and applying this knowledge to my work. I work well both independently and as part of a team, and I value clear communication in collaborative environments. I'm eager to contribute my skills to innovative projects and continue learning in this ever-evolving field.
Kotlin
FirebaseSwiftPythonMachine LearningDjangoAnalyticsAPI DevelopmentGraphQLiOS DevelopmentFlutterCircleCIDevOpsAndroid App DevelopmentAWS Amplify - $15 hourly
- 0.0/5
- (0 jobs)
I am passionate about creating innovative and dynamic web applications that provide seamless user experiences. With a good understanding of both front-end and back-end technologies, I have the ability to handle complex coding and create robust applications that meet the needs of businesses and users alike
Kotlin
Back-End DevelopmentFront-End DevelopmentNode.jsReduxSpring BootPostgreSQLAPI DevelopmentReact - $25 hourly
- 2.4/5
- (60 jobs)
- DEDICATED TO MOBILE APP DEVELOPMENT - With over 11 years of mobile development experience, my passion for native iOS | Android remains a driving force in my work. I am committed to creating high-quality mobile applications that make a mark in today's competitive landscape. Key Accomplishments: - 🚀 Published more than 50 apps on both the App Store and Google Play, along with 70+ updates. - 🚀 Reached over 5 million app downloads, maintaining an outstanding 4.8-star average rating. Technical Expertise: - 🛠️ Proficient in native mobile development - Swift | Objective-C | Java | Kotlin - 🛠️ Extensive experience with Firebase, design patterns, and tools like Figma | Zeplin | XD | Photoshop - 🛠️API/Web service Implementation, Firebase, Restful API, SDK, Social Networking, ChatGPT, AI, Location, QR Barcode, Photo, Video, Admob, Mixpanel, Animation, In-app purchase, etc Core Strengths: - 🌟 Successfully led apps development, consistently delivering beyond client expectations. - 🌟 Broad expertise across a range of industries, including social networking, healthcare, e-learning, fintech, etc Please click Hire me so we can discuss and bring your mobile app vision to life. Ready to make your project a reality? Let’s create something extraordinary together! 🚀
Kotlin
WordPressSocial Networking DevelopmentChatGPTMobile AppAI BotSwiftUIiOS SDKIn-App PurchasesFirebaseiOS DevelopmentAndroid App DevelopmentAndroidJavaObjective-CSwift - $30 hourly
- 5.0/5
- (3 jobs)
I am a Senior Android Developer with over 9 years of experience in creating robust, user-friendly, and high-performance Android applications. My expertise extends beyond Android development, as I possess substantial knowledge in backend development, enabling me to build comprehensive, end-to-end solutions. My goal is to deliver top-tier applications that not only meet but exceed client expectations. Skills and Expertise: - Android Development: Proficient in Java and Kotlin, with extensive experience in building applications from the ground up, optimizing for performance, and integrating third-party libraries and APIs. - UI/UX Design: Adept at designing intuitive, responsive, and aesthetically pleasing user interfaces that enhance user experience. - Backend Development: Skilled in various backend technologies, including Java, Python and NodeJS, with experience in developing RESTful APIs, managing databases (SQL and NoSQL), and ensuring secure and scalable server-side operations. - Full-Stack Integration: Capable of bridging the gap between frontend and backend development to create seamless, integrated solutions. - Agile Methodology: Experienced in Agile and Scrum methodologies, ensuring efficient project management and timely delivery. - Version Control: Proficient in using Git for version control and collaboration with development teams. - Testing and Debugging: Strong ability in testing (unit testing, integration testing) and debugging to ensure high-quality code and performance. Why choose me: - Holistic Approach: My dual expertise in Android and backend development allows me to provide a holistic approach to application development, ensuring all components work harmoniously. - Quality Assurance: I am committed to writing clean, maintainable code and rigorously testing my applications to deliver bug-free, high-quality products. - Client-Centric: I prioritize understanding client needs and translating them into effective solutions, maintaining clear and consistent communication throughout the project lifecycle. - Continuous Learning: I stay updated with the latest industry trends and technologies to bring innovative solutions to your projects. Let's bring your ideas to life with exceptional Android applications and robust backend systems. I'm here to turn your vision into reality!
Kotlin
Spring BootREST APISQLNestJSAPI DevelopmentWeb & Mobile Design ConsultationWeb APINode.jsJavaAPI IntegrationPythonSpring FrameworkMobile App DevelopmentAndroid App Development - $18 hourly
- 0.0/5
- (0 jobs)
I’m a developer with experience in building Android, IOS applications for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I’m experienced in Android, IOS I’ll fully project manage your brief from start to finish Regular communication is really important to me, so let’s keep in touch!”
Kotlin
Google PlayApp StoreAndroid SDKAndroid NDKSwiftiOSAndroidFirebase - $5 hourly
- 0.0/5
- (0 jobs)
I’m a developer experienced in building application for small and medium-sized businesses. Whether you’re trying to win work, list your services application, I can help. Knows Android and IOS. Full project management from start to finish Regular communication is important to me, so let’s keep in touch.
Kotlin
React NativeFlutterCoroutineRxJavaSwiftJavaAndroid App DevelopmentiOS DevelopmentQA TestingMobile App - $15 hourly
- 0.0/5
- (0 jobs)
I am an experienced Android developer specializing in designing, developing, and deploying applications of various scales, from simple utility apps to complex, feature-rich solutions. My expertise includes creating user-friendly interfaces, optimizing app performance, and ensuring compatibility across a wide range of devices. I have successfully published multiple apps on the Google Play Store, adhering to Google's guidelines and focusing on delivering high-quality user experiences. My technical skills encompass Kotlin, Java, Jetpack components, dependency injection with Hilt, and working with third-party libraries to enhance app functionality. I am proficient in implementing robust architectures, such as MVVM, and integrating APIs, Firebase services, and Google Play features like In-App Updates. Additionally, I stay updated with the latest Android development trends to continuously improve my skills and create innovative solutions. Beyond technical expertise, I am passionate about problem-solving, collaborating with teams, and adapting to new challenges, ensuring that every project meets user expectations and business goals.
Kotlin
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