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Hire the best Kotlin Developers in Berlin, DE

Check out Kotlin Developers in Berlin, DE with the skills you need for your next job.
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  • $50 hourly

    • 5.0/5
    • (29 jobs)
    As a Lead Engineer with over 8 years of experience, I specialize in Java and Kotlin development within the Spring and Spring Boot frameworks. Here's a breakdown of my skills: * Java + Kotlin software development: 4+ years * Spring framework: 5+ years * Cloud solution architecture with Spring: 2.5+ years * Diverse database expertise: SQL (e.g., PostgreSQL) and NoSQL (e.g., MongoDB, Elasticsearch, Dgraph) * Proficiency in messaging systems: Kafka, RabbitMQ * Strong integration skills with tools like Prometheus, Grafana, Jenkins, and Docker * Non-production development experience in C/C++: 4+ years, C# development: 1+ year * Fast learner with a passion for exploring innovative technologies * Architectural design tailored to project requirements * Analytical skills for solution evaluation and enhancement. With a proven track record of delivering high-quality software solutions, I thrive in dynamic environments where innovation and continuous improvement are encouraged.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    JDBC
    PostgreSQL
    Java
    API
    Spring Framework
    Java Persistence API
    MongoDB
    Gradle
    Elasticsearch
    PostgreSQL Programming
  • $40 hourly

    • 5.0/5
    • (11 jobs)
    A skilled software engineer who can get things done and deliver work that meets and satisfies my clients' requirements. I take ownership of my work and ensure that the work I deliver is well-tested and at least meets my clients' expectations. I'm recognized for delivering clean, scalable, flexible, and quality code. A brief introduction about myself: I am a Senior Software Engineer with 9+ years of experience in designing, developing, and maintaining web and mobile applications. I have worked as a full-time employee with various companies, from startups to big corporations such as Groupon, Amazon, and HubSpot. I am currently working as a freelancer because of the variety and growth opportunities it provides. If you have any questions, feel free to contact me, and I would be glad to assist you in reaching your goals.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    MySQL
    TypeScript
    API Development
    Scala
    AWS Lambda
    Hibernate
    AWS CloudFormation
    Apache Spark
    Spring Boot
    Amazon S3
    Amazon DynamoDB
    Apache Kafka
    Java
    JavaScript
  • $78 hourly

    • 4.9/5
    • (18 jobs)
    Over the past 9 years, my expertise has revolved around the development of a diverse range of native mobile apps and games for both Android (Mobile, Tablet) and iOS (iPhone, iPad, Apple Watch) platforms. These applications cater to startup companies as well as small and large businesses. Currently, I am deeply interested in managing entire mobile app development projects, from the initial design phase to the final publication on the app store. In the realm of mobile development, I possess a strong grasp of Mobile UI patterns, guidelines, low-level performance optimizations, and memory management. My skills not only involve making applications functional but also ensuring they run efficiently and smoothly. Here are some of my notable achievements and competencies: ✔ iOS Development: Proficient in Swift, Objective-C, Cocoa-Touch for iPhone, iPad, and Apple Watch apps. ✔ Android Development: Skilled in Java, C++, JNI, NDK for mobile and tablet applications. ✔ Competent in using Design Patterns such as Bloc, Redux, and River pod with Flutter(Android, iOS, Web). ✔ Proficient in Design Patterns like MVC, MVVM, MVP with both Kotlin and Java. ✔ Augmented Reality (AR): Knowledgeable in Vuforia, AR Kit, Kudan, Google Tango, EasyAR, Microsoft Kinect SDK. ✔ Virtual Reality (VR): Familiar with HTC Vive, Oculus Rift, Samsung Gear VR, Google Cardboard, and Leap Motion technologies. ✔ Noteworthy projects that gained coverage on CNN. ✔ Payment Gateway Integration: Skilled in PayPal, Braintree, and In-App Purchases setup. ✔ Proficient in integrating 3rd party APIs such as Facebook, Twitter, Instagram, and YouTube. ✔ Expertise in Google Maps, Geolocation, GPS, Open Street Maps, and Navigation. ✔ CICD (Continuous Integration, Continuous Deployment) tools: Knowledgeable in Bitrise and Jenkins. ✔ Video/audio/image processing: Experienced in OpenCV and Pitch Control. ✔ Project management tools: Proficient in JIRA, Github, BitBucket, SVN, and GitLab. With this extensive skill set and experience, I am confident in taking on challenging projects and delivering high-quality mobile applications that meet the expectations of clients and users alike.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Jenkins
    RESTful API
    Fastlane
    Git
    Flutter
    iOS Development
    Firebase Cloud Firestore
    iOS
    Android App Development
    AWS Amplify
    In-App Purchases
    Firebase
    Java
    Firebase Realtime Database
  • $50 hourly

    • 5.0/5
    • (8 jobs)
    Welcome to my profile on Upwork :) I am an experienced Mobile Engineer that is always on the lookout for new exciting projects to work on. I have more than 6 years of experience developing Android applications. I worked on projects ranging from complex video editors and heart rate measurement apps to more straightforward content delivery applications. I have also worked on multiple Flutter applications that are already in Production. So if you have an Android or a Flutter project that you need to be developed, I will be super happy to help you out. Feel free to message me if you have any questions! :)
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    OpenGL ES
    OpenCV
    Android App Development
    Flutter
    Java
    Dart
  • $40 hourly

    • 4.7/5
    • (24 jobs)
    Hi, I'm Aleesha! I'm a Software Engineer skilled in all phases of Software Development. I excel in translating Business Requirements into Technical Solutions with a focus on quality, usability, security, and scalability. Areas of Expertise: Android Development: Custom apps, UI/UX design, API integration, bug fixing, and maintenance. WordPress Development: Custom websites, theme customization, plugin development, and site optimization. I'm dedicated to offering top-notch services to meet all your needs. Share your ideas, and I will transform them into fully functional products. Contact me now for an interview and let's discuss your project! Looking forward to hearing from you. Regards, Aleesha K.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Android App Development
    Mobile App Development
    WordPress
    Java
    React Native
    PHP
    HTML5
    React
    Android Studio
    Android
  • $25 hourly

    • 5.0/5
    • (1 job)
    Software Developer As a Software Developer, my passion lies in creating innovative and efficient software solutions to meet the needs of businesses and individuals. With a strong background in programming languages such as Dart, Java/Kotlin, and C++, and frameworks such as Flutter, React. I am well-versed in the full software development life cycle. Technical Expertise: Proficient in designing, coding, testing, and debugging software applications. Skilled in developing and implementing software solutions using various programming languages and frameworks. Experience with database management systems such as MySQL, and MongoDB. Familiarity with front-end technologies including HTML, CSS, and JavaScript. Knowledge of software development methodologies, including Agile and Waterfall. Responsibilities: Collaborate with cross-functional teams to analyze project requirements and contribute to the planning and design phases. Develop clean, efficient, and maintainable code to meet project goals and objectives. Conduct thorough testing and debugging to ensure code quality and stability. Collaborate with Quality Assurance teams to identify and resolve software defects. Stay updated with emerging technologies and industry trends, incorporating them into software development processes as appropriate. Participate in code reviews to improve code quality and share best practices with team members. Provide technical support and troubleshooting for software applications. Skills and Traits: Strong problem-solving abilities to identify and resolve software issues. Attention to detail and commitment to writing high-quality code. Excellent communication skills to effectively collaborate with team members and stakeholders. Ability to work independently and manage projects within given timelines. Adaptability to rapidly changing technology landscapes.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    RabbitMQ
    TypeScript
    Docker Compose
    React
    Dart
    Flutter Stack
    PostgreSQL
    MongoDB
    Git
    JavaScript
    Jenkins
    Docker
    Java
    C++
  • $60 hourly

    • 0.0/5
    • (0 jobs)
    Hi! I'm thrilled to design backend systems no matter the language. I love to architect solutions and help people to get the project from an idea to MVP.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Calculation
    Cloud Development
    DevOps
    Computer Science
    Aerospace Engineering
    TypeScript
    Java
  • $75 hourly

    • 0.0/5
    • (0 jobs)
    Senior Software Engineer with 8 years of experience building scalable systems using functional programming paradigms. Specialize in Elixir and Kotlin development, with a proven track record of delivering high-performance solutions for large-scale applications. My unique background combines deep technical expertise with a Master's degree in Economics, enabling me to approach software architecture with both systematic precision and business acumen. I excel in functional programming patterns and have extensive experience building distributed systems that maintain performance under heavy loads. My expertise spans full-stack development, with particular emphasis on building robust, scalable backend services. I specialize in: Distributed systems design and implementation High-performance API development and optimization Scalable microservices architecture Event-driven system design Database optimization and data modeling I bring a collaborative approach focused on clear communication and pragmatic solutions, ensuring your project benefits from both technical excellence and business value alignment."
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    AWS Development
    Terraform
    Continuous Deployment
    Reactive Programming
    Continuous Integration
    Java
    Golang
    Kubernetes
    Gradle
    Apache Kafka
    Spring Boot
    Phoenix Web Framework
    Functional Programming
    Elixir
  • $50 hourly

    • 0.0/5
    • (0 jobs)
    I am a dedicated and experienced Senior Mobile Developer and Physicist based in Berlin, Germany. With a passion for Mobile Development and a strong background in technology and design, I specialize in crafting high-quality mobile applications. My expertise spans across React Native, SwiftUI, and Android development. What I Do Best: • Mobile Development: Proficient in React Native, SwiftUI, and Android, I develop robust and user-friendly mobile applications tailored to client needs. • Software Engineering: Leveraging my extensive experience, I design, develop, and maintain software solutions that are efficient, scalable, and reliable. • UI/UX Design: With a keen eye for design and user experience, I ensure that every app I build is not only functional but also visually appealing and easy to use. • Customization and Precision: I have a passion for order and precision, customizing every device, tool, and software I use to maximize efficiency and performance. Personal Traits: • Tech Enthusiast: I am a true nerd at heart, with a deep love for technology, software, and all things mobile. • Multilingual Communicator: Fluent in English, French, Arabic, Berber, and a bit of German, I can communicate effectively with a diverse range of clients and colleagues. • Lifelong Learner: My background in physics and science drives my continuous pursuit of knowledge and improvement in the tech field. Let’s work together to bring your mobile app ideas to life with precision, creativity, and a touch of nerdy passion!
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    SwiftUI
    Git
    Deployment Automation
    UI/UX Prototyping
    Front-End Development
    Unit Testing
    Android App Development
    iOS Development
    Mobile Development Framework
    TypeScript
    JavaScript
    React
    React Native
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    With over 8 years of experience in technology, I bring expertise in Django, Python Flask, as well as various Python libraries including Numpy, Pandas, Metapolib, and Scikit-learn. As a certified Scrum Master, I am well-versed in agile methodologies, ensuring efficient project management and delivery. My skills extend to AWS CI/CD pipelines and Docker for streamlined deployment processes. Throughout my career, I have successfully developed applications ranging from small-scale projects to large enterprise solutions across diverse domains such as finance, law firms, e-commerce, healthcare, real estate, and automobile industries. If you're looking for assistance with your development needs, please don't hesitate to reach out. I'm here to help and eager to contribute to your project's success. Technologies that I use: - ✅ Python, NumPy, Pandas. ✅ Django, Flask.. ✅ Windows, Linux Mac. ✅ GIT, GitHub, GitLab, CICD, Docker, AWS, Bitbucket. ✅ MySQL, SQLite, PostgreSQL, NoSQL, SQL, MongoDB. ✅ Scrapy, Beautiful Soup. ✅ jQuery, Ajax, JSON, jQuery UI, HTML5, CSS3, Bootstrap Why choose me? As a Creative and experienced Python API Integratior and Python solution expert, I bring a wealth of experience in working with GPT Langchain, Pinecone, and other LLM / VectorStores. Looking forward to work with you!
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Kubernetes
    Linux
    CI/CD
    Odoo
    Automation
    Selenium
    JavaScript
    Docker
    AWS Lambda
    FastAPI
    Flask
    Django
    Data Scraping
    Python
  • $83 hourly

    • 0.0/5
    • (0 jobs)
    I’m a developer experienced in: Backend Development: - Java/Kotlin for building reliable, high-performance server applications - Microservices architecture for scalability and maintainability - RESTful APIs for seamless integration Automation & AI Solutions: - Custom Telegram bots for business process automation - AI-powered chatbots for enhanced customer engagement - Advanced web parsing solutions for data collection and analysis Frontend Development: - Modern user interfaces using Angular/ReactJS - Responsive design for cross-platform compatibility - Progressive Web Applications (PWA) DevOps: - Docker containerization for consistent deployment - CI/CD pipelines for automated testing and deployment - Cloud infrastructure management
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    SOAP
    REST API
    API
    MyBatis
    Python
    MySQL
    SQL
    RabbitMQ
    Apache Kafka
    PostgreSQL
    Hibernate
    Spring Framework
    Spring Boot
    Java
  • $70 hourly

    • 0.0/5
    • (0 jobs)
    I'm a Software Engineer focusing on native development for desktop or Android. I have a significant experience in C++ development in different areas and have a good knowledge of Clang compiler. Fields where I can help you: - C++ desktop or mobile application development or support - tools based on Clang compiler infrastructure - Unreal Engine plugin development - LLM integration into your app I am able to work either alone or in the team.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Mobile App
    Desktop Application
    CMake
    Python
    Performance Optimization
    LLM Prompt Engineering
    Compiler
    Android SDK
    Android NDK
    Android App Development
    Qt Framework
    C++
  • $50 hourly

    • 5.0/5
    • (21 jobs)
    I'm an Oracle Certified Java Developer with over +10 years of experience building Java applications. I have extensive knowledge of Web, Mobile, Desktop applications. I like working with interesting people, share my knowledge, and provide services for my clients, I'm always open to find out something new. I am an excellent team player and am result oriented. I am not afraid to study new technologies and not afraid of responsibility. I have worked with many different people, different sized teams, as well as international teams.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    GitLab
    Git
    Kanban Methodology
    Scrum
    Swagger
    MongoDB
    Docker
    Kubernetes
    JUnit
    Test-Driven Development
    PostgreSQL
    REST API
    Spring Framework
    Java
  • $70 hourly

    • 0.0/5
    • (0 jobs)
    Web/Mobile Developer, #coding tweaker, Web Apps killer, techie fan. I've +11 years of market experience in software engineering. I believe that tech is being considered to help business people grow their business and help normal people in their day to day work and make their life even more easier. I've developed many projects and products ranging from small, medium to corporate size. I've worked with/mentored many teams in house and also remote teams. I believed in remote work (totally inspired by David Heinemeier Hansson). I usually spend my time learning whatever new technology (as it might help in any future job and also for entertainment). I believe in automation, actually everybody should automate any repetitive amount of work.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Ruby on Rails
    Symfony
    Java
    Laravel
    PHP
    React Native
    React
  • $60 hourly

    • 5.0/5
    • (2 jobs)
    I'm a full-stack mobile app developer with over five years of experience. I am personally responsible for successfully deploying over 20 Android and iOS apps on both the Play Store and App Store. I have over five years in mobile app designing, developing, and delivering quality apps and will work relentlessly to turn your ideas into a working and successful application. Mobile App Development + Native App: Java/Kotlin & Swift + Hybrid App: Ionic Framework & React Native & Flutter + Database: MySQL, PostgresQL, Firebase Reatime DB/Firestore + Backend: PHP, Node.js, Python, Django + Services: Firebase, Git, Jira, Trello Thanks for reviewing my overview. Best Regards! Liam
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Node.js
    Flutter
    Java
    React Native
    Firebase
    Ionic Framework
    MySQL
    PHP
    Swift
  • $45 hourly

    • 0.0/5
    • (0 jobs)
    Web & Mobile App software engineer & Talented Blockchain developer Self-motivated individual whose experience with computers range from programming, backend and frontend development. Full stack developer with an exceptional technical background and deep knowledge in backend and frontend development. Looking for a reliable individual or company to get committed to creating world-class applications on long-term and preferrably full-time basis. ❇️Back-end developments ✅ Languages and Frameworks: Node.js, Typescript, C# (ASP.net, windows Forms, WPF) , PHP, Laravel, Codeigniter, Python, Django and Flask ✅ Software tools and Utilities: ContentGrabber, Tomcat, Apache, CVS, SVN, github, bitbucket, gitlab ✅ Web Servers/App. Servers : Apache, Web Logic, IIS, NGINX, ECT2 / AWS, Google CLoud Platform ✅ Database Technologies: SQLite, MongoDB, ElasticSearch, MySQL, PostgreSQL, Oracle, MS SQL 2008 R2 and 2012 ✅ IDE: Aptana Studio 3, Eclipse, Netbeans, Wing IDE, SciTE, Ms Visual Studio 2010, Sublime Text, Notepad++ ✅ CMS: Wordpress ✅ Operating Systems: Linux Mint, CentOS, Sun Solaris, Ubuntu, RedHat Linux, Windows XP. Windows 7, Windows 8, Windows 10 ✅ Bug tracking/Management tools: Starteam, tortoiseSVN, tracTickets(ticketing system), Redmine, JIRA, EasyBacklog, Trello ✅ Others: AWS and Azure devops, Docker, Social Media APIs (Twitter, FB, Linkedin, Google) , CRM APIs (Copper API), Shopify API, RESTful APIs ❇️Front-end/JavaScript Frameworks: ✅ TypeScript, JavaScript (ES5/ES6/ES7+, Babel) ✅ React, CRA, Next.js ✅ Redux, MobX ✅ Vue.js Vuex, Vuetify ✅ Tests: TDD, Jest, Mocha, Storybook, Puppeteer, Enzyme ✅ HTML5, CSS3 with SCSS/LESS, SVG, canvas, animation, Fabric.js ✅ UI/UX, responsive web, Material UI, Bootstrap, Zurb Foundation ✅ Webpack, npm, yarn, Git... ✅ Figma, XD, Sketch, Adobe CC ❇️Mobile Developmens: ✅ Development using Flutter, React Native, Ionic framework, Objective-C, Swift 5 programming languages ✅ Apps for iPhone, iPad and Apple Watch devices ✅ Any app category or theme ✅ Also, building native app prototypes ✅ Clean software architecture: MVC, MVP, MVVM ✅ Databases: Firebase, SQLite, iCloud storage, MongoDB, MySql ✅ Notifications: Push and/or Local, Calendar, Alarm, Reminder ✅ Analytics: Google Analytics, Flurry, AppsFlyer ✅ Social Networks integration: Facebook, Twitter, Instagram, LinkedIn ✅ Google Map Service, MapBox ✅ Web services, Restful APIs, HTTP, JSON, XML, RSS, SOAP, PHP, HTML, HTML5 ✅ Platforms: Linux, iOS, Amazon Web Services, OS X, Windows ✅ Misc: JIRA, Asana, Trello, Bitbucket ✅ In-App Purchases / IAP: consumables, non-consumables, subscriptions ✅ Payment gateways: Stripe, Braintree, Paypal, Authorize.net ✅ Ads: AdMob, RevMob, ChartBoost, Apple iPad ❇️Blockchain development: ✅ Custom Blockchain Development ✅ Smart Contracts Development ✅ dApps Development ✅ Crowdsale ✅ Hyperledger & Multichain Development ✅ Multichain/Supply Chain Development ✅ Custom Cryptocurrency Development ✅ Crypto App Development ✅ ICO Web Development ✅ POC Development ✅ Cryptocurrency Wallet and Exchange Applications ✅ Private Blockchain Development ✅ Blockchain Consulting ✅ Blockchain Testing ✅ Ongoing Blockchain Development Support and Maintenance ✅ Full-Stack Blockchain Development ✅ Full Time Dedicated Blockchain Developer ✅ Smart contract language: Rust, Solidity ✅ Data Management: o RDBMS: MySQL 5.X, PostgreSQL, Amazon RDS o NoSQL: MongoDB. o Caching: Memcached, Redis o Searching: Solr, Lucene, Elasticsearch, Amazon CloudSearch ✅ Queue: ActiveMQ, Amazon SQS ✅ Server Technologies: Linux, Ubuntu ✅ Cloud Computing Platforms: Amazon Web Services
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Vue.js
    CodeIgniter
    Blockchain
    Django
    Solidity
    DevOps
    Smart Contract
    Laravel
    Flutter
    React
    Node.js
    React Native
    PHP
    Swift
  • $15 hourly

    • 0.0/5
    • (0 jobs)
    I am an experienced software engineer with main focus on mobile and web. Other than this I have worked on weartech where I was developing apps and backend for mobile.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Software Development
    Software Architecture
    Mobile App
    Mobile App Design
    Mobile Payment Functionality
    Mobile App Testing
    Mobile App Improvement
    Android
    iOS
    Mobile App Development
  • $29 hourly

    • 5.0/5
    • (1 job)
    Enthusiastic software developer with a constant desire to grow and improve. I like to write readable, testable and maintainable code to build quality software. I'm available to help in extra time outside my main job. I offer my time for architectural solutions and coding tasks
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Test Development
    PHP
    Node.js
    React
    JavaScript
    TypeScript
    Kubernetes
    Docker
    SQL
    Micronaut
    Spring Boot
    Java
  • $30 hourly

    • 0.0/5
    • (1 job)
    I am an Engineer who has multidisciplinary experiences and is expert in Big Data Processing and API Development. I am experienced in creating and implementing scalable data architectures, developing and optimizing ETL (Extract, Transform, Load) processes, and ensuring data quality and integrity. I am also experienced in developing APIs and providing the best solutions for the tech problems.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Google Cloud Platform
    Amazon Web Services
    Rust
    API Development
    Spring Boot
    Apache Flink
    Docker
    Elasticsearch
    Apache Airflow
    SQL
    Python
    Scala
    Java
    Apache Spark
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    Experienced Full-Stack Developer with over 9 years of hands-on experience in software development and product management. Proven track record in developing robust applications and leading cross-functional teams. Adept at leveraging a deep technical background and strategic product management expertise to deliver high-quality software solutions. Seeking to return to a development role to fulfill my technical ambitions and apply extensive technical skills and innovative approaches to new challenges.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    R
    Python
    NodeJS Framework
    MongoDB
    SQL
    TypeScript
    Flutter
    React
    Angular
    Java
    Android App Development
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    I am a Backend Software Engineer with 3 years of experience and in total I have 7 years of engineering experience. I am skilled in building scalable, modular, and maintainable systems, focused on delivering value to users and businesses through efficient, high-performance solutions.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Amazon EC2
    Amazon RDS
    ELK Stack
    Python
    Docker
    Kubernetes
    Web Development
    MongoDB
    PostgreSQL
    Redis
    RabbitMQ
    Spring Boot
    Java
    Web Application
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    My core competency lies in iOS mobile app development. I build nice and fast applications that uses iOS/iPadOS and watchOS; I use cutting edge technologies and latest versions of the SDK while keeping compatibility with older versions of iOS and iPhones. I have more than 8+ years of flawless experience in iOS development (Objective-C and Swift and SwiftUI experience with solid background in analysis, design, development and implementation of iPhone and iPad applications. I can work individually and also with the team following AGILE, I'm a good team player and love to collaborate with product guys and fellow developers to prepare Jira Stories and groom them. I've worked with different teams around the world and been part of many enterprise levels apps which has millions of users. My skills and experiences are as follows: -------------------- Languages -------------------- ✔ Objective-C ✔ Swift ✔ SwiftUI -------------------- iOS Native -------------------- ✔ iPhone/Apple Watch/iPad ✔ Realm, Core Data, SQLite ✔ SwiftUI, ARKit, OCR, MapBox ✔ IoT, BLE (Bluetooth low energy device), Beacons integration ✔ Audio and Video frameworks ✔ Automation: CI/CD Tools ✔ Braintree Payments, Paypal, Stripe and Dwolla integration ✔ Build Sharing: Testflight, HockeyApp, DeployGate and Diawi ✔ Google, Flurry, Facebook, Fabric and Mixpanel Analytics ✔ In-app purchase, Local & Push Notification, iCloud Looking for a long-term opportunity to handle project individually or join team. I would love to provide my services on a good idea to make a great product. I look forward to working with you soon!
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Websockets
    Android App Development
    React
    Java
    Flutter
    iOS SDK
    Firebase
    iPadOS
    Native App Development
    WebRTC
    Swift
    iOS Development
    Android
    React Native
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    As a Senior Mobile Developer, I bring more than 10 years of experience in designing, developing, and maintaining sophisticated mobile applications and systems. My expertise lies in understanding and implementing a wide variety of mobile technologies, mobile app development platforms, and emerging technologies including Swift, Kotlin, React Native, Flutter and importantly FlutterFlow. Skills Summary ✔ Mobile Technologies: Proficient in iOS, Android, Flutter, React Native, Xamarin, and Cordova. ✔ Programming Languages: Extensive knowledge of Swift, Objective-C, Java, Kotlin, JavaScript, and TypeScript. ✔ Mobile Application Development: Experience with native and cross-platform mobile app development, including rapid UI development with FlutterFlow ✔ Mobile Testing: Comprehensive understanding and hands-on experience in mobile testing using tools like Appium, Detox, and Espresso. ✔ Cloud Platforms: Hands-on experience with AWS, Azure, GCP for mobile app back-end development and Firebase for real-time databases, crashlytics, analytics, etc. ✔ Mobile UI/UX: Knowledgeable in creating and optimizing intuitive UI/UX for a wide range of devices and screen sizes, leveraging tools like FlutterFlow for optimal user experience design. ✔ Push Notifications and Messaging: Proficient in implementing push notifications and in-app messaging services using platforms like Firebase Cloud Messaging and OneSignal. ✔ App Stores: Experienced in managing deployment and release processes for the App Store and Google Play Store, including managing updates, app store optimization (ASO), and understanding app store guidelines. ✔ Monetization Technologies: Extensive knowledge and hands-on experience with RevenueCat for effortless in-app subscriptions, and adept at implementing in-app purchase systems. ✔ Mapping Technologies: Skilled in creating location-based applications using the Mapbox platform. ✔ Digital Wellbeing: Comprehensive knowledge and experience in utilizing the Screen Time API to measure and manage user's device usage. ✔ E-Commerce Integration: Profound experience with integration of mobile payment gateways and shopping cart features. ✔ Containerization: Skilled in Docker and Kubernetes for containerization of the mobile app backend. ✔ Continuous Integration/Continuous Deployment (CI/CD): Proficient in Jenkins, Travis CI, and CircleCI for automating development processes. ✔ Secure Coding Practices: Experience in implementing secure coding practices to prevent issues related to security vulnerability and to comply with GDPR, CCPA, etc. ✔ Mobile Payments: Knowledgeable about integrating mobile payments using gateways like Stripe, PayPal, and Apple Pay. ✔ IoT Integrations: Familiarity with integrating IoT devices with mobile applications using technologies like Bluetooth LE. My dedication to continuous learning and a deep understanding of the latest mobile technologies and cloud platforms, including advanced tools like FlutterFlow, enable me to provide efficient, effective, and cutting-edge mobile solutions. I recognize the significance of seamless and high-quality mobile communication and am dedicated to applying my skills and experiences to help you meet your mobile application goals. I invite you to get in touch to discuss how we can use my expertise to enhance your mobile applications and improve your mobile workflows.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Ionic Framework
    GDPR
    Mapbox
    In-App Purchases
    App Store
    Firebase
    FlutterFlow
    Swift
    Apache Cordova
    Xamarin
    React Native
    Flutter
    Android
    iOS
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    Studied Computer Science & Engineering with a full scholarship at Sabanci University, the top university in Turkey according to Times Higher Education. Full-stack software engineer with over 4 years of experience developing, integrating, and deploying web and mobile applications, APIs, and microservices. Proficient in Java, SQL, PrimeFaces, React, Kotlin and cloud technologies, with a strong focus on Agile methodologies. Expertise in fintech solutions, driven by a passion for using technology to enhance business processes and user experiences. A strong researcher with an open mind, able to quickly master new technologies and stay ahead in delivering cutting-edge solutions. • Knows Java, Kotlin, Spring Framework, Python, C++, HTML, CSS, JavaScript, React Framework, SQL as relational database management solutions and MongoDB as unrelational database management solutions. • Have experience on cloud technologies such as Amazon Web Services and Docker. • Have experience developing software solutions from scratch including design, development and deployment. • Collaborated with cross-functional teams and clients, applying Agile methodologies (Scrum, Kanban) to ensure timely delivery of high-quality solutions.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    React
    Python
    Java
    DevOps
    Front-End Development
    Back-End Development
    Version Control
    Scrum
    Agile Software Development
    Web Application
    Project Management
    Software Architecture & Design
    Mobile App Development
    Web Application Development
  • $25 hourly

    • 5.0/5
    • (2 jobs)
    Hi, I am a technology enthusiast with a strong command over Java, Kotlin, Spring Boot, microservices, AWS, MySQL, Hibernate, Kafka, and other related tech stacks. My passion lies in developing top-notch, scalable, and optimized application solutions. i can - develop professional backend - write automation tests - design microservice architecture - expertise in ecommerce and logistics - also integrate backend with frontend - and many more
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Ecommerce Development Consultation
    MERN Stack
    AWS Application
    Test Automation Framework
    NoSQL Database
    Reactive Programming
    Apache Kafka
    Database Design
    MySQL Programming
    Payment Gateway Integration
    RESTful Architecture
    Spring Boot
    Microservice
    Java
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    I have 12 years of experience in software, mobile development, abstraction, and conceptualization. My proactivity and experience set me apart as a reliable enabler. My goal is in connecting business to the IoT while at the same time expands the capacity of businesses in the digital arena. - Android & iPhone app development by Java, Kotlin, Swift, Objective-C - Android & iPhone app development by ionic, React native - Website development by Angular, Javascript/jQuery, HTML5 - Backend development by PHP, C#, JAVA - Photoshop skill. Looking for a long term relationship.
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    Ionic Framework
    iOS Development
    Android App Development
    Angular
    Swift
    React Native
    Java
  • $80 hourly

    • 0.0/5
    • (0 jobs)
    Hello, everyone! I am senior software engineer, with experience in building web/mobile/blockchain frontend and backend for large/medium/small sized businesses. - Blockchain/Ethereum/Solidity/Smart Contracts/Solana/Rust/Defi/OpenSea/IPFS/Web3 for blockchain platform development - Swift/Kotlin/Java/XCode/Flutter/Dart/React-Native/IONIC for mobile app development - React/Vue/Node/JavaScript/TypeScript/HTML5/CSS/ for web development - Node/Express/PHP/Laravel/AWS/Firebase for backend development - MongoDB/NoSQL/MySQL/MariaDB for database management etc... Thanks for visiting my profile! Erma Vieth!
    vsuc_fltilesrefresh_TrophyIcon Kotlin
    React Native
    Ethereum
    Blockchain Architecture
    Smartphone
    Blockchain
    Swift
    Solana
    Solidity
    web3.js
    React
    Java
    Node.js
    JavaScript
    Web Application
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