Hire the best Kotlin Developers in Kyiv, UA

Check out Kotlin Developers in Kyiv, UA with the skills you need for your next job.
Clients rate Kotlin developers
Rating is 4.8 out of 5.
4.8/5
based on 510 client reviews
  • $35 hourly
    👋 Greetings! With over 1️⃣5️⃣ years in the 𝗠𝗼𝗯𝗶𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ! 🎓 M.S. in Computer Programming ! ⭐️ 5 Star Reviews ! 🎯 100% Job Success ! 🚀 I am a full-cycle mobile developer. I develop mobile apps from 💡idea to📱completion, handling design to implementation 🏆 👉 Message me for a free project consultation! 🆓 Here are the technologies I use: ✅ Native App Development: iOS (SwiftUI, Swift), Android (Java, Kotlin) ✅ Languages: Swift, Objective-C, Java, Kotlin, Javascript, Dart ✅ Frameworks: React Native, Flutter, Node.js ✅ Databases: Firebase, MySQL, MS SQL, Cassandra, MongoDB, PostgreSQL, Redis ✅ SCMs: Github, Gitlab, BitBucket ✅ CI/CD tools: Jenkins, TeamCity, CircleCI, GitLabCI, GitHub Actions, Bitbucket Pipelines, Docker, Kubernetes ✅ Testing Approaches: TDD, BDD 💪 I specialize in microservices and event-driven architectures, excelling in scalable applications and optimizing workflows. 🌟 With proficiency in design and mobile development, I turn ideas into market-ready solutions. 💰 Here are some of my specialties: 📦 Food/Retail Delivery and Pickup Platforms for Drivers, Staff, and Customers 👥 Social Networks for Friends/Groups with Chat, Feeds, Profiles, Signup, and Log in 🔄 Buy and Sell Marketplace Apps with Commissions and Payments 📊 Task Management, Expense Management, and more. Let's work together to bring your visions to life and make waves in the digital world! ✨ 💻 #MobileDevelopment #AppDevelopment #MobileApps #iOSDevelopment #AndroidDevelopment #Swift #Kotlin #Flutter #ReactNative #Java #ObjectiveC #SwiftUI #JetpackCompose #Firebase #MobileAPI #APIDevelopment #ThirdPartySDK #MobileOptimization #UIUX #AppDesign #MobileTech #MobileGaming #GooglePlay #AppStore #PushNotifications #ARCore #ARKit #Android #iOS ⚡️ updated portfolio 10th June 2024
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    Mobile App
    JavaScript
    Objective-C
    Java
    Firebase
    Mobile App Development
    Android
    iOS
    Flutter
    iOS Development
    React Native
    Xamarin
    Swift
    Android App Development
  • $38 hourly
    Hi 👋, I'm Pavlo - I am the leader & co-founder of a fascinating senior-level development team. More than 7️⃣ years of experience in end-to-end development. From the country of steel hearts - Ukraine 🇺🇦 📌 𝐒𝐨𝐦𝐞 𝐩𝐨𝐢𝐧𝐭𝐬 𝐈'𝐦 𝐩𝐫𝐨𝐮𝐝 𝐨𝐟: 🏆 being CTO of the startup that was featured by Apple(Hapday); 🧑‍💻 More than 40 projects were successfully released to AppStore / Google Play Market; 📈 Creating projects with 1kk MAU, 99.9% crash-free and > 100% ROI; I am an IT specialist with cross-area knowledge including but not limited to different types of Mobile applications for iOS and Android platforms. My experience allows me to achieve the highest production standards. Even for MVPs, we are using the best technologies and practices that help to achieve the highest benchmarks. 𝐘𝐨𝐮 𝐜𝐚𝐧 𝐠𝐞𝐭 𝐭𝐡𝐞 𝐟𝐨𝐥𝐥𝐨𝐰𝐢𝐧𝐠 𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐟𝐫𝐨𝐦 𝐏𝐨𝐥𝐲-𝐭𝐞𝐜𝐡: • Requirement analysis with all the documents: HLR, Tech specification, architectural design; • UI/UX services including but not limited to Prototyping, Wireframing, audit, UX, UI, and User journey; • High-loaded Web development; • Native mobile development, both from scratch and legacy support; • DevOps services on AWS; • Python&Django for backend/CRM development; We are not selling developer/team/solution. We sell our expertise, having a goal to become a partner for your business. Poly-tech services are not limited to just development or design, our focus is a global vision within the entire SDLC cycle, where we can provide all the services starting from BA until a successful market launch and upcoming user acquisition. 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐨𝐮𝐫 𝐭𝐞𝐚𝐦 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡: • Swift for iOS; • Kotlin for Android; • Python&Django for backend/CRM development; • Firebase, Firestore, Authentication, Cloud Functions; • REST, Websocket, Push Notifications, Kafka, Celery, Lambda; • AWS (EC2, S3, EB, Route53, RDS) 🔥 Build the entire solution from scratch with us. Our team would be your partner that's highly involved in your business process and helps to increase not only tech expertise but grow your project in general until TOP 1 is achieved. Click "Invite" and start feeling the difference🔥
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    Secure SDLC
    Twilio API
    Firebase
    Django
    Python
    Swift
    Android
    iOS
    UX & UI
    Requirement Analysis
    Web Development
    SaaS Development
    CRM Development
    Mobile App Development
  • $40 hourly
    I am a Top-rated developer to bring all your product ideas into a success story. My experience in mobile software and web development field is ready to serve your business. I was working on Healthcare and Fitness apps, social and e-commerce solutions. There is a lot of experience in (but not limited to) Finance, Education, Travel and other entertaining and business apps. If you need a mobile app or website I'm happy to provide you with the solution. I have an extensive background in leading and driving all phases of software projects and client engagements with the largest brands as well as with tiny startups. Key facts: • Good references and happy clients, • Successful apps on the marketplaces, • Software Development Experience – over 15 years • Mobile Software Development • Web Development Software development is my passion. I achieve high quality of products with proven software development process. I can work both as individual and as a part of software agency which gives you bigger opportunities for scaling the work. Over the time has built various complex solutions for a diverse range of businesses and industries (Health&Fitness. IoT, Finances, Retail, IT management, e-Commerce, Marketing&Advertising, Transport&Logistics, Media&Publishing, Social networks, Entertainment). Sergey and his team can guarantee the highest quality of our services, quick turnaround, professional communication and 24/7 Skype/email support for our clients. Please get in touch with me for our references or to request a quote.
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    Health & Fitness
    Apple Watch
    Front-End Development
    Healthcare IT
    Swift
    React
    PHP
    iOS Development
    watchOS
    React Native
    HealthKit
    Android
    iOS
  • $50 hourly
    Hi there! I am a CTO and Solutions Architect with over 10 years of experience in the tech field. I lead the UppLabs team, helping Fintech, Healthcare, and Real Estate companies be #1 in their niche. All - with the help of individual approach and wide tech stack. 🔧 Covering Your Tech Needs: → Back-End: .NET (C#), Python, Node.js, Java → Front-End: Vue.js, React.js → Mobile: Swift (iOS), Kotlin (Android), React Native → Database: MySQL, PostgreSQL, MongoDB → Cloud Platforms: AWS, Azure, Google Cloud → DevOps: Docker, Kubernetes, Jenkins → Methodologies: Agile/Scrum 📈 Empowering Your Vision: At UppLabs, we're dedicated to fueling your business with transformative software solutions. Whether you need a robust MVP, a tech stack makeover, or groundbreaking mobile app development, our team is here to bring expertise, innovation, and measurable results to your projects. 👨‍💻 Offering Comprehensive Services: • Web & Mobile App Engineering • Highload and High-Performance Software Development • Device and Third-Party Software Integration Solutions • Legacy Service Maintenance & Modernization • Quality Assurance & Testing • Innovation and Solution Discovery • Team Extention 🌐 Providing Global Perspective: Empowering worldwide businesses for years and years, the UppLabs team understands the nuances of diverse markets. Our global perspective, combined with awareness of industry trends, guarantees tangible and measurable results. Ready to fuel your business with quality tech solutions? Feel free to reach out, and let's make you #1 in your niche!
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    .NET Core
    C#
    React Native
    MySQL
    HTML5
    TypeScript
    Flutter
    JavaScript
    React
    Mobile App Development
    Full-Stack Development
    Web Development
    Node.js
    Python
  • $30 hourly
    Hi, I'm a Senior Java Developer from Ukraine. I'm a developer with over six years of experience writing a backend for enterprise projects in Java/Kotlin. Throughout my career, I have had the opportunity to participate in the design and implementation of backend solutions, particularly in the FinTech field. What I can give with collaboration with me: ✅ You'll receive a good understanding of your requirements and main needs from my side. ✅ We will be like a real team to make a better solution together that meets exactly what you want. ✅ I always focus on expected results and can give you some suggestions on achieving them best. ✅ I value your and my time, so I used to give estimates before starting any tasks. Languages: Java, Kotlin, Groovy Spring: SpringBoot, WebFlux, SpringSecurity, SpringData Frameworks: Hibernate, MapStruct, Jackson, Keycloack, FlowableBPMN, EuSign, Drools Decision Table; Assembly: Maven, Gradle; Message brokers: Kafka, Rabbit; DB: Redis, Postgres, MongoDB, MySql; Documentation: Swagger, Mermaid, SpringDoc; Infrastructure: GoogleCloud, AWS, Kubernetes, Docker; Test: Junit5, Mockk, Spoke, WireMock, TestContainers.
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    AWS Development
    Angular 6
    REST API
    MongoDB
    PostgreSQL
    Hibernate
    Google Cloud Platform
    RabbitMQ
    Apache Kafka
    Docker
    Kubernetes
    Redis
    Java
    Spring Framework
  • $35 hourly
    I am a software engineer with many years of professional experience in DevOps methodology and in Python and Kotlin programming. Specialties: Openshift (PaaS), Kubernetes, CI/CD Automation, Spinnaker, Clouds, Containers, Programming, Troubleshooting, Problems Solving. Skills include: Software development, Solutions architecting, System administration, Serverless solutions. Design, development, implementation, and support in a wide variety of software and hardware solutions for companies from the U.S. and abroad. Focused on rapid and modern development approaches, fast delivery, and cost-reduction goals. Working with: - Programming languages: Java, C/C++, Kotlin, Python, Groovy, PowerShell, Bash/Shell. - IT automation tools: AWS CodePipeline, Ansible, Jenkins, Terraform, Azure DevOps - Clouds, Virtualization, and Microservice Technologies - Security Scanning, Code Quality Analysis - Databases, Application Servers, Clusters (Kubernetes, Openshift, ECS, etc), Monitoring Tools, Backup Systems - Servers, Storages, Networks, Embedded Solutions - All flavors of Operating Systems: Linux, UNIX, Windows Key personal skills: self-motivated, flexible, and taking initiative.
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    Infrastructure as Code
    CI/CD
    Docker
    Ansible
    Java
    Kubernetes
    Google Cloud Platform
    Python
    Amazon Web Services
  • $40 hourly
    Empat has 9.5 years of experience and excels in app development (both native and cross platform). ❓Why US? 💁‍♂️ ∙ 325 developed projects in 21 countries ∙ Most of our contracts are long-term engagements: 3+ years ∙ Our developed projects received 5M+ users in a month ∙ Our clients’ MVPs get their 25M+ investments ∙ We need 90 days to develop a project from idea to MVP. ❓ What we do? • Native iOS and Android development • Cross platform app development • MVP development • Discovery phase • Data science proof of concept (POC) • Product Design (UX/UI) • Data Science (AI, ML, Data Engineering) • Product Management • QA Testing • Post-launch support and maintenance Hire us and take advantage of the best mobile and web development services! We look forward to making something great together. 📱 📌 Check our clients reviews at Clutch.co
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    Website Builder
    Android
    iOS
    Webflow
    Laravel
    WordPress
    AR & VR
    Figma
    Flutter
    .NET Framework
    Swift
    UI/UX Prototyping
    PHP
    JavaScript
  • $60 hourly
    👨‍💻 Howdy, I'm a CTO and Founder at Nonamedigital. Looking for 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 Development? I got your back! We have got for you 𝗮𝗹𝗹-𝗶𝗻-𝗼𝗻𝗲 𝗯𝗼𝘅𝗲𝗱 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 that combines the most important types of mechanics: staking, vesting, drop, craft, loot boxes and metadata modification. 🔥 5-star client review with recommendations ⏳ 9 years of production experience in the web3 business My expertise is delivering world-class applications to tech startups and small/medium businesses. I can provide a full-cycle solution starting with the idea or an existing project with legacy code. My main interests and expertise are in the creation of P2E games like: 📲 Latest projects; Undeads, Fitburn I can help you with: ✅ MVP development from concept to happy users ✅ Agile methodology process optimization at every stage of development. ✅ Managing your in-house developers, enhancing the team, and setting up an efficient development process ✅ Remote CTO on-demand and covering all technical aspects of your business ✅ Migrating to new technologies and refactoring the existing application ✅ Brainstorming and Troubleshooting about increasing key business metrics in mobile apps As part of the scoping process, I am able to develop wireframes and specifications prior to getting started. Each time, I collect app details in order to understand the logic of the application and to provide an in-depth estimate, which later serves as a backlog for the project. 💡 In this approach, all work is specified, so it's easy to support and scale. The timeline and budget are predicted, and all work stays within the budget. 𝗢𝘂𝗿 𝗸𝗲𝘆 𝗮𝗿𝗲𝗮𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 🔒 You can run your NFT, a DeFi asset, or a crypto exchange with us. We'll assist you in determining which path will yield the greatest profit. You may sit back and relax while your project generates revenue for you. 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 🏥 We assist healthcare innovators by connecting them with the most valuable resource available: industry leaders. 𝐅𝐢𝐧𝐓𝐞𝐜𝐡 💰 We provide dedicated development teams to assist startups and tech titans in delivering meaningful customer experiences and increasing earnings by driving digital transformation in the financial industry. 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 🛒 We will create a website or an app to market what you need to offer. We know that people prefer fast and simple interfaces that allow them to shop with ease. 🛠 My mobile technical expertise covers the solutions below: ▪️ Front-end: React.js, React Native, Next.js, JavaScript, Tailwind CSS, SCSS, Sass. ▪️ Back-end: Node.js, Express, Nest.js, Microservices. ▪️ Databases: MongoDB, MySQL, PostgreSQL ▪️ Blockchain: Ethereum, Polygon, Avalanche, TON, Near. ▪️ Cloud Services: Azure, AWS, Google Cloud. ▪️ DevOps: Docker, Kubernetes. 💌 Don’t hesitate to send the invitation to your job post or book a consultation with me. I'm always looking forward to engaging opportunities! 💙💛
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    Vue.js
    CSS
    HTML
    Next.js
    Reactive Programming
    iOS
    JavaScript
    Swift
    Angular
    React
    C#
    C++
    Java
    React Native
  • $35 hourly
    Hello. Shortly my name is Olex. I’m mobile developer with more than 7 years of experience in the field of mobile development and more than 10 years of programming in general. I believe that my strongest skill is making things done. How? Responsibility and creativity, thinking about whole the project, not only codebase. And I like to finish my work, finish applications or features. I always think about my clients needs for first even if it's not best for me. I also care about end-user experience and always share my ideas or doubts about a project I make. I'm honest and fair. Listed below are my experience and skills: I work mostly as front-end mobile application developer on platforms: • iOS, WatchOS, • Android, • Hybrid. I work as back-end developer using Firebase to support mobile application development. I use programming languages as follows: • Swift, Objective-C - as native iOS development, • Kotlin, Java - as native Android development, • Dart - for hybrid development. I worked with most of mobile technologies and frameworks: • UI/UX - SwiftUI, UIKit, WatchKit, Lottie files, • Image creation, changing/processing - CGGraphics, CGAnimation, • Working with data - CoreData, Keychain, • Video creation, changing/processing (on the fly as well), streaming - AVFoundation, WebRTC SDK, • Device capabilities - Bluetooth / BLE, Location, Apple maps, Google maps, Push notifications, Network, tunneling, traffic management, HealthKit, • Working with payments - In-app purchases, Apple Pay, Shopify, Stripe, • Client-server communication - RESTful API, GraphQL, XML, JSON, Websockets, Sockets, Firebase SDK, AWS, • AI - MLKit, ChatGPT API I work with many professional tools, but mostly with: • Xcode & Cocoapods - iOS development tools, • Android Studio & Gradle - for Android development, • Visual Studio Code - for Flutter hybrid development • Git - version control. • Jira, Redmine, Trello, Slack, Bitbucket, Gitlab - as team tools. I have experience of Firebase back-end development with Javascript. I understand imperative and declarative, OOP principles of programming, a lot of architecture patterns, like MVC, MVVM, MVP etc. I have experience of publishing applications in both Appstore & Google Play. I have experience of team leading and project management.
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    AV Foundation
    ChatGPT
    Problem Solving
    Git
    Apple Xcode
    watchOS
    Swift
    WebRTC
    API Integration
    iOS Development
    Firebase
    Bluetooth
    Android App Development
    Objective-C
  • $40 hourly
    As a Lead Mobile Engineer specializing in both iOS and Android platforms since 2012, my expertise extends beyond mere coding. Experienced with a wide range of SDKs and features, I have a solid understanding of what it takes to build the application from scratch and maintain it over the long term. When you collaborate with me, transparency and value for your investment are guaranteed. My main areas of expertise are: • Native iOS development - Swift, RxSwift, Objective-C. • Native Android development - Kotlin, Java, RxKotlin. • Hybrid/Cross-platform development - React Native, Flutter. As an entrepreneur, I get the ins and outs of your business challenges, which allows me to save you both time and money by tackling tech risks that many developers might not even know exist. I am also one of the co-founders of a full-cycle software development company called Softermii - so in case you’re looking for a reliable technology partner, just read on. I’m leading a team that thinks about the long run. We like building strong, lasting relationships with our clients and treat them like partners. We focus on doing great work instead of just doing a lot of work. We pay close attention to the little things and what your business needs. Our team leans on brand recognition, and we're committed to delivering work that earns you positive feedback. Our recent achievements include: 🎉 Award for “Best Real Estate Mobile Application in 2020". 🎉 Top 20 B2B companies by Clutch. 🎉 Top 20 App Development Companies at BusinessOfApps! 🎉 Top 20 App Developers on The Manifest. 🎉 Microsoft Certified Professional Developer (MCPD). 🎉 Microsoft Certified Technology Specialist (MCTD). Some facts to consider: 1) 30 000+ hours worked in total 2) Constant 100% Job Success Score on the platform 3) Clients generated a total of $2.5B in revenue 4) Headquartered in LA, and offices in Austin, Vienna, Kyiv, Munich, London, Tallinn. Come visit us! 5) 120+ experienced developers
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    AI Development
    Mobile App Design
    Mobile App
    Software Development
    Project Management
    Mobile App Development
    Android App Development
    iOS Development
    Java
    Flutter
    React Native
    Swift
  • $35 hourly
    Android Engineer with 7+ years of professional experience writing top-quality clean code with excellent creative problem-solving skills. Degree in Software Engineering. - Experience in major programming languages, databases, operating hardware, and software - Understanding of OOP principles, SOLID principles, and main design patterns - Understanding of Agile principles and practices: Scrum, Kanban - 3rd party libraries and SDK's configuration and integration - Social network integration: Facebook, Google, Twitter, etc. - Practical usage of Google Play Services: Google Analytics, FCM, Maps, etc. - Experience with version control systems I will convert your ideas to exceptional mobile applications to take your business to the next level. My tech skills include: - Languages: Kotlin, Java - Android SDK, Jetpack - MV+ architecture patterns: MVVM, MVI, MVC, MVP, Clean architecture - Network: Okhttp, Retrofit 2, Ktor - Dependency Injection: Dagger 2, Hilt, Koin - UI building: XML, Compose - Database: SQLite (Room) - Multithreading and asynchronous programming: Threads, Coroutines, Flow - Tools: Figma, Sketch, Charles, Postman, etc. Regular communication is important for me to ensure to deliver what clients want. I will do my best to complete projects with high quality and meet deadlines. Feel free to contact me with any questions. I will be pleased to help you!
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    Mobile App Development
    Android
    Java
    Android App Development
    Room
    Retrofit
    Android SDK
    JetPack
  • $75 hourly
    12+ years of developing Android applications, leading teams, and delivering successful products. I provide high-quality mobile, Android TV, Android Auto, and Android Automotive OS apps using the latest tech stack like Jetpack Compose, MVVM, Hilt, Room, and ExoPlayer. Professional skills and technologies: • Fluency in Java and Kotlin • AndroidX/JetPack, Compose, Leanback • MVVM/MVP/MVI • Experience in RESTfull APIs, OAuth • SQLite/Room, Realm • ExoPlayer, optimization and performance tuning, offline playback, caching • Creating media apps for Android Auto and Android Automotive OS • Security/Encryption, biometric • Firebase Auth/Cloud functions/Database/Storage • Troubleshooting performance problems • Knowledge of best practices for developing secure software, mobile application vulnerabilities, and how to prevent them.
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    Reverse Engineering
    Android Room Persistence
    Android Debug Bridge
    SQLite
    Realm Database
    Firebase
    Git
    Google Maps API
    Google Play
    JetPack
    Android
    Android App Development
    Java
    Android SDK
  • $35 hourly
    Greetings!) I am Yevhenii, a Senior Back-end Developer with over five years of extensive experience in software development, specializing in data-intensive backend services using leading Python frameworks. Throughout my career, I have demonstrated proficiency in maintaining and optimizing large-scale systems, data warehouses, and backend services handling high Query Per Second (QPS) loads. One of my key strengths lies in working closely with clients to gather business requirements and translate them into stable, maintainable products using cutting-edge technology stacks and architectural best practices. I am committed to delivering robust solutions that meet and exceed client expectations while ensuring scalability and performance. I thrive in dynamic environments that demand innovation and collaboration. My goal is to leverage my skills and experience to contribute meaningfully to challenging projects and drive impactful outcomes. Let's connect and discuss how I can add value to your team and projects. Proficient with Postgresql Familiar with Go, C#, JavaScript Docker, AWS, RabbitMQ, Bash, Linux, Git, ClickHouse
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    Web Scraping
    React Native
    React
    ClickHouse
    PostgreSQL
    Data Warehousing & ETL Software
    Apache Airflow
    Docker
    Flask
    RESTful API
    Django
    Python
  • $32 hourly
    Building strong relationships with you is my main goal, not just to finish a job. That's why my clients typically stay with me for over a year from the project start. You can expect clear and fast communication no matter the time zone, working toward your business goals, and numerous practical and effective strategies to tackle project challenges. 🧷 Expertise: - Responsive Front-end Development (React, JavaScript, HTML, CSS, Vue.js, Angular) - Backend Development (Node.js, Python, PHP, Laravel, WordPress) - Server Configuration - Security & compliance (GDPR, HIPPA) - Optimization - DevOps - API Integration - Testing - Agile Methodologies (Scrum, Kanban) With nine years of experience spanning pre-seed to IPO-level startups, I've built a reliable network of top-tier engineers. If I'm not the perfect fit for your project, I can connect you with the top 1% talent from this pool. As a bonus, working with me directly you access the internal knowledge base of the entire Fulcrum team, which I'm part of. Us? The clients rate us 5-star on Clutch, GoodFirms, TechReviewer, & TopDevelopers because we don’t just meet expectations; we define them, helping your business really grow. 🔗clutch.co/profile/fulcrum#reviews Drop me a message, and let’s rock this market with a product that matters! Updated May 10, 2024
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    Prototype
    Minimum Viable Experience
    Lean Startup
    Minimum Viable Product
    Swift
    AI Mobile App Development
    Mobile App Design
    React Native
    Mobile App Development
    Full-Stack Development
    React
    Front-End Development
    Node.js
    JavaScript
  • $30 hourly
    🅗🅔🅛🅛🅞 👋 I'm Android & iOS native developer with expertise in | TV & Streaming | Tablet | WatchOS/WearOS | GPS | Swift/Kotlin apps | App development is my life, hobby and delight. 🌎 👨‍💻 Any complex and simple project is an exciting challenge for me.🎯 🔸Always seeing where there is an opportunity to upgrade, add a new feature, increase performance and do better. Communicative and always on touch. Focused on the needs and wishes of the customer. Always recommend what is needed.🧑 💪 Strong experience gained through many challenging projects and sorting out bugs and fixes. My team has given me more knowledge, drive, and understanding that you can work on a project quickly and as one device 💻 . If you want a complex project, with strong support, experience and on time, only our team of professionals will provide it.💯 👍 Our managers are ready to answer you within 15 minutes after you accept our application and will advise you on any question you may have❓ during the call📲 or in text📝 form. With our team you will get free code research and analysis, testing of your app will be done by our professional QA team. 👌 🚩 All ideas can be realized, all issues can be solved. Write, ask questions, I will gladly answer. I am waiting for your interesting ideas and questions.👋 Best Regards, Vlad
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    TV Set
    tvOS
    Roku Development
    Apple TV Application
    Java
    Map Integration
    In-App Advertising
    Android SDK
    iOS Development
    Firebase
    Objective-C
    Swift
    Android App Development
    Dagger 2
  • $30 hourly
    👋Hello, are you dreaming about a groundbreaking mobile app and in search of the perfect collaborator to transform your ideas into reality? Look no further – YOU've landed in the right space, and I'm here to bring to life your concepts, ensuring that every requirement is not just met, but exceeded. 🧑‍💻As a seasoned Tech Lead with a strong foothold in both cross-platform and native development, I bring a wealth of expertise and a fervor for mobile app innovation. My commitment is to seamlessly adapt to your needs, whether it involves cross-platform versatility or the intricacies of native app development. 🛠Here's a brief overview of my specialized technology stack: iOS: Swift (UIKit, SwiftUI, Core Data, Realm, Firestore, MVVM, MCV, VIPER, RXSwift, XCTest, WatchOS) Android: Kotlin (Clean and modular architecture, Jetpack Compose, MVVM, MVI, MVP, Junit, mockito, Espresso, Room, Firestore, Hilt, Kotlin coroutines and Flows, GraphQL) Flutter: Dart (Streams and RxDart, Firebase/Firestore, Hive, Sqflite, and drift, BLoC/Redux, MethodChannel, and hybrid apps) Within my portfolio, you'll discover diverse app projects spanning various industries such as Fintech, Edtech, Healthcare, and Real Estate. 🗓Embarking on our collaboration, I propose a meticulous step-by-step plan: - Discovery Phase: Gather the requirements - Technical Documentation: Craft comprehensive documentation - Architecture Plan: Design a robust architectural framework - Database Structure: Devise an efficient database structure - Product Implementation: Bring your app's functionality to life - Code Reviews & Delivery Presentation: Ensure quality through thorough reviews - Testing: Rigorous testing to guarantee reliability - Launch: Execute a successful launch 📩Drop me a message, and let's collectively navigate the optimal path for your app's realization, adhering to industry best practices. Throughout our collaboration, expect unwavering support, ensuring a seamless and successful journey. Best Regards, Stanislav Las updated: November 14, 2023.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Dart
    Startup Consulting
    Product Development
    Application
    App Development
    Mobile App
    Smartphone
    iOS Development
    Android App Development
    Swift
    Flutter
    Mobile App Development
    Hybrid App Development
    Native App Development
  • $50 hourly
    ⁍ Worked on a distributed IoT platform in AWS with numerous integrations and a complex architecture. ⁍ Developed a robust, scalable trading system capable of handling dozens of symbols across multiple accounts and brokerages. ⁍ Worked as a full-stack developer on various e-commerce projects, utilizing a wide variety of technologies and frameworks.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    AWS Development
    Spring Boot
    Data Science
    AI Trading
    Scripts & Utilities
    Multithreaded, Parallel, & Distributed Programming Language
    NestJS
    Software Development
    Software Architecture & Design
    React
    Python
    TypeScript
    Node.js
    Java
  • $40 hourly
    Hello! My name is Kostya. I develop mobile applications for Android and iOS. I have more than 5 years of experience and know how to solve the most difficult tasks! ;)
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Streaming Software
    IT Project Management
    AVKit
    Swift
    Android App Development
    iOS Development
    Native App Development
  • $20 hourly
    🚀 Turning Ideas into Reality: 📱 iOS & Android Mobile Apps 🖥 Robust Back-End Integrations 🎨 Intuitive UI/UX Design ⌚ Long-Term Support, Reliability & Maintenance I am a co-founder of Eclipt, and we Eclipse the competition! Partner with us if you: ● Have a brilliant digital product idea but need guidance to launch ● Seek a start-to-finish solution with expert market and competitor analysis ● Value clear, 24/7 communication and collaborative planning ● Aim for a product competitive in today's market, using an agile development process By working with us, you will: ● Collaborate with a well-coordinated team that prioritizes quality ● Enjoy tailored solutions, with an emphasis on understanding client needs ● Leave behind the hassle of technical difficulties and time zone differences Our clients rave with 5⭐️ reviews: ✅ "Innovative and professional approach; our specific needs were quickly addressed. Strongly recommend!" - CEO of geo-oriented app scuvu.com ✅ "Fantastic collaboration, exceeding all expectations!" - CTO of 2.7M+ downloads IPTV app smarttv.club Ready to embark? Here's what to do: 🟢 Click the green ‘Send Message’ button in the top right-hand corner 💬 Send me a message with your availability, and let's discuss your project Expertise in: Kotlin, Swift, Flutter, Dart, Node.JS, React.JS, JavaScript, AWS, Integrated ads, Firebase, SQL
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Product Management
    Full-Stack Development
    JavaScript
    Swift
    Java
    UI/UX Prototyping
    Mobile App Development
    iOS
    Advanced Analytics
    Agile Software Development
    Android
    Web Development
    Agile Project Management
    Flutter
  • $25 hourly
    I’m a developer experienced in building websites and mobile app for small and medium-sized businesses. Especially I have high skills in Artificial Intelligence and have finished several project in NLP and computer vision. In the past, I integrated chatbots to the website and made an mobile app to recognize objectives using camera. Whether you’re trying to win work, list your services, or create a new online store, I can help.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    OpenAI API
    AI Text-to-Speech
    Flutter
    Computer Vision
    Vue.js
    PHP
    JavaScript
    Next.js
    Natural Language Processing
    Artificial Intelligence
    Python
  • $45 hourly
    I possess extensive expertise as a PMO, adept at steering projects from conceptualization to fruition across diverse complexity tiers. Furthermore, I proudly serve as the co-founder and CEO of echocode.ai - Proficient in methodologies like Scrum, Waterfall, and Kanban, and skilled in platforms such as Jira, Trello, Slack, and Discord, I ensure seamless project management from inception to delivery. - Upholding consistent communication as a cornerstone value, I prioritize maintaining regular contact to foster effective collaboration. - Let's stay connected to drive success together.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    React Native
    Flutter
    Java
    Objective-C
    Swift
    Web Application Development
    iOS SDK
    iOS Development
    iOS
    Mobile App
    Custom App
    App Development
    Software Development
    Artificial Intelligence
  • $25 hourly
    100% project completion rate! Top-rated developer! 12 years of experience in application development! Click HIRE, and I will bring your idea to life! And a little bit of​ technical info about me (don't forget to ask if you are looking for something specific): - Swift & Objective-C (iOS) - Java & Kotlin (Android) - React Native, Flutter Playing with AI and our reality: - ARKit, ARCore - Object tracking - Object recognition Daily communication, weekly demos, Agile environment. Thanks for visiting my profile, I already like you, hope you feel the same!
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Alexa Skills Kit
    Internet of Things
    Front-End Development
    Web Development
    React Native
    Dart
    iOS
    Flutter
    Android App Development
    Mobile App Development
    iOS Development
    Android
    Bluetooth
    Swift
    Objective-C
  • $22 hourly
    I'm a senior Java developer with extensive experience in building high quality sites. My experiences range from building java web applications to building scalable sites for the financial services industry. I like working on projects with a team that cares about creating beautiful and usable interfaces. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with. I look forward to hearing from you!
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    NetBeans
    AWS Application
    Terraform
    JavaScript
    XML
    Spring Boot
    Java
  • $25 hourly
    🔥 About Me: ⠀⠀✔ Experience: more than 7 years in mobile development. ⠀⠀✔ Technological stack: Java, Kotlin, Android SDK, MVVM, Android Studio, Firebase, RxJava2, Coroutines, Retrofit2, Firebase, Git, Jira. ⠀⠀✔ Experience in Databases: SQLite, Room. ⠀⠀✔ Experience in Custom Android devices development, such as Zebra devices. ⠀⠀✔ Area of expertise: Healthcare, E-commerce, FinTech, Logistics, Car Rent, Social Networks. ⠀⠀✔ Development for me is a challenge where I am capable of creating complex projects and find the best solutions.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Android Studio
    Git
    Java
    Model View ViewModel
    Android App Development
    Android SDK
    Smartphone
    RxJava
    Dagger 2
    Model View Presenter
    Native App Development
    Android Room Persistence
    Camera
    API Integration
  • $20 hourly
    I am an Android Developer with 3 years of experience. Have strong knowledge of Android SDK and Android ecosystem. Can deliver numerous functionality into your application. • Java SE, Kotlin • Android SDK • Android Architecture Components • RxJava 2 • Integrating RESTful Api • JSON, XML • OkHttp3 + Retrofit2 + Gson • Google Play Services • In-App purchases • Google Maps, GPS • ExoPlayer • AdMob Also, I am well acquainted with: OOP/OOD, SOLID, collections, multithreading, design patterns, Material Design principles, MVC, MVP, MVVM and Clean Architecture. I am always open to new interesting and challenging projects and ready to build the best quality products!
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    RESTful Architecture
    Google Maps API
    Mobile App Development
    Tablet
    Firebase
    Android Studio
    Mobile UI Design
    In-App Purchases
    Android
    Java
    Android App Development
    Smartphone
    Git
    SQLite Programming
  • $40 hourly
    🥇 Top 1% - UpWork Web & Mobile Solutions. Working with Flutter and mobile & web development for the last 16 years. My skill-set: ✔ Cross-platform: Flutter, Compose Multiplatform, React Native ✔ iOS: Swift, Objective-C, UIKit, SwiftUI ✔ Android: Kotlin, Java, Jetpack Compose ✔ Web: React.JS, Vue.JS, Angular.JS ✔ Backend: FastAPI, Django, Spring, Spring Boot, Node.JS ✔ More: ARkit, OpenCV, GPU Image, CoreAudio, BLE, iBeacon, credit card reader, MIDI, JNI, NDK (C/C++) Checkout some interesting projects I worked on in the work history and portfolio sections below ⤵️
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    FastAPI
    Django
    Kanban Methodology
    Scrum
    Agile Project Management
    Python
    React
    Swift
    Node.js
    Vue.js
    Flutter
  • $20 hourly
    I have 14 years of software development experience overall. • Motivated and reliable Android Developer with an excellent work ethic and programming language knowledge base • Able to build applications from concept to final product to the client's or project's specifications • Experienced in object-oriented programming; development, testing, and debugging code; design UI • Able to work well independently or as part of a professional development team in order to meet and achieve project goals I have experience with: - Java - Kotlin - Android SDK - Android architecture components - Google Play Services - Firebase, Parse, Backendless, Cloudinary SDKs - Retrofit - RxJava 2 - Dagger 2 - MVP, MVC, MVVM - Testing - UI design with Material Design - Social media integration (Twitter, Facebook, Google plus, VK) - Git
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Tablet
    Smartphone
    Android
    Dagger 2
    Java
    Android App Development
    Mobile App Development
    JSON
    Android SDK
    Firebase
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