Hire the best Kotlin Developers in Nigeria

Check out Kotlin Developers in Nigeria 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 103 client reviews
  • $75 hourly
    Over 10 years experience on Android application development. Android malware analyst. Android reverse engineer. --------------------------------- + IDA PRO + Hex Rays Decompiler. + Jadx + Frida + Smali/Baksmali + CallTrace (private) + Smali2Java (private) ---------------------------------
    Featured Skill Kotlin
    JavaFX
    UI/UX Prototyping
    Reverse Engineering
    Java
    Smartphone
    SQLite
    Android
    Android Studio
    Firebase
  • $50 hourly
    ⭐️ "Shamsudeen is highly skilled in software development and a great person to work with. He has strong communication skills and is great technically in understanding project requirements and developing software that meets the given criteria." I am an expert Flutter and iOS developer. I have worked as a mobile developer both full-time and as a freelancer in: ✔️ The Fintech Industry - Five Salts Private Limited, Pandascrow Inc. ✔️ The E-commerce Industry - Quertiel Corp My goal is your complete satisfaction with regards to your business or project by being more than just an app developer, but having a business-oriented mind, helping you minimise costs and increase conversion rates in your project. I achieve this through good and timely communication and impeccable technical skills. ⭐️ What I can do for you: ✔️ Build a solution-oriented mobile app for your business, made either for internal use or targeted to other businesses or consumers ✔️ Maintain and Fix Issues in your mobile app built with Kotlin or Flutter ✔️ Offer consultancy services for the tech aspects of your business I am an expert poised and solution-oriented Mobile Engineer with 2+ years of experience working professionally in a variety of dynamic and fast-paced settings. ⭐️ Technical experience includes: ✔️ Building native Android applications with Kotlin ✔️ Building Hybrid / Cross-Platform (Android & iOS) applications using Flutter ✔️ Developing and consuming APIs and tools to ease the development and management of products ✔️ Integrating SQL / NoSQL databases into mobile and web applications ✔️ Developing the backend of systems using Node.js ✔️ Languages include; Dart, Kotlin, Java, Javascript, and Python. ⭐️ Soft skills include: ✔️ Ability to learn and adapt in a fast-paced environment ✔️ Native English speaking and communication skills ✔️ Ability to manage a team and work with little or no supervision required My skills have given me unique opportunities such as being allowed to mentor in the Andela Learning Community for the Google x Andela Developer scholarship in Android development. I am more than just a developer, I communicate and listen clearly so as to understand my client's needs so I can help build a business result-oriented product and not just a product that works on the engineering side of things.
    Featured Skill Kotlin
    iOS Development
    Hybrid App Development
    App Development
    Flutter
    Android App Development
    Mobile App Development
    Android Studio
    Firebase
    MongoDB
    Dart
    Java
    Node.js
  • $56 hourly
    As an experienced MetaTrader developer, I am committed to providing top-notch solutions that meet the needs of traders in today's fast-paced, multi-asset global markets. With my extensive knowledge of the Forex industry, I offer powerful technology that is flexible, reliable, secure, and user-friendly to enhance the trading experience of my clients. Whether you are a seasoned trader or just starting out, I am dedicated to equipping you with the tools and solutions you need to maximize your profits. With my expertise, I can provide robust and scalable solutions that are customized to your specific needs, and I am always available to provide on-demand customization and support. My services include. Expert Advisor solutions, including single chart and all-in-one multi-symbol options, to help you optimize your trading algorithms, Additionally, I offer custom indicator development for strategy visualization, as well as script development for one-time execution, for those in need of financial trading accessories, I provide solutions such as trade copiers, market scanners, and signal notifiers. With a focus on delivering results-driven solutions, my products are well-curated and thoroughly tested for optimized results. So, if you are looking for a reliable and dedicated MetaTrader developer to help you achieve your trading goals, look no further. Let's work together to take your trading to the next level!
    Featured Skill Kotlin
    Mathematical Optimization
    Forex Trading
    Technical Analysis
    Machine Learning
    MetaTrader 4
    MQL 4
    Automation
    MQL 5
    Algorithm Development
    MetaTrader 5
    Android App Development
    Python
  • $30 hourly
    I’m a Top-Rated Android Developer on Upwork with 4+ years of experience, specializing in Jetpack Compose, Kotlin, and Kotlin Multiplatform (KMP). With a proven track record of delivering high-performance, scalable mobile apps, I help businesses - startups and established companies alike - launch solutions that are intuitive, efficient, and built for the future. Beyond coding, I serve as a Mobile App Consultant, guiding clients to: ⚡ Craft the right mobile strategy, ⚡ Prevent costly mistakes, and ⚡ Build scalable apps - from MVP to full product - using proven industry standards. What I Offer: 📱 Jetpack Compose App Development Modern, responsive Android UI development using Jetpack Compose for speed, reusability, and clean architecture (MVVM, Hilt, SOLID). 🌐 Kotlin Multiplatform (KMP) Development Share logic across Android and iOS with Google-approved cross-platform tools. Build faster, deploy smarter. ⚙️ App Performance Optimization & Bug Fixing Fixing crashes, slowdowns, and technical debt. I refactor, optimize, and stabilize apps with precision. 🚀 MVP Development & App Launch Support Helping founders go from idea to app store-ready (Google play, App store) product with clear architecture, smart feature rollout, and clean codebase design. 🔗 Backend/API Integration & Automation Integrations with Firebase, Stripe, REST APIs, Google ML Kit, and other third-party tools to expand your app’s capabilities. Primary Tech Stack: ⚡ Android Development: Jetpack Compose, Kotlin, Kotlin Multiplatform (KMP), Android Studio ⚡ Backend & APIs: Firebase, Node.js, Google Cloud, REST APIs, Google ML Kit ⚡ Best Practices: Clean Architecture, MVVM, SOLID Principles, Agile/Scrum, CI/CD (GitHub Actions) Industries I Specialize In 📦 E-commerce Apps – Scalable mobile solutions for retail, cart systems, and payment integrations. 💳 Fintech Apps – Secure, compliant banking, wallet, and trading platforms. 🍔 Food Delivery Apps – Real-time ordering, GPS tracking, and payment gateways. 🧠 SaaS & Custom Apps – Tailored B2B/B2C solutions with cross-platform reach. Why Clients Choose Me: ✅ Top Rated on Upwork for consistent delivery & 5-star feedback ✅ Deep understanding of both tech and product strategy ✅ Fast, clear communication & clean, scalable code ✅ Strategic thinking that goes beyond code execution Whether you need to launch a new app, fix critical bugs, or plan a scalable mobile architecture, I’m here to help. Let’s build something smart, efficient, and user-focused - from code to product.
    Featured Skill Kotlin
    Mobile App Development Consultation
    Front-End Development
    Back-End Development
    Node.js
    React Native
    Flutter
    Payment Functionality
    iOS Development
    Payment Gateway Integration
    API Integration
    Firebase
    Mobile App Bug Fix
    Mobile App Development
    Android App Development
  • $15 hourly
    Adaptable professional with a background in IT Infrastructure transitioning to software development. I bring a unique blend of technical skills, including proficiency in programming languages such as Golang, Java, Kotlin, TypeScript and JavaScript. My hands-on experience in IT operations, Network Management, and System Administration complements a growing expertise in software development. With a proven track record of delivering high-quality solutions, I am adept at collaborating with cross-functional teams. Eager to apply this diverse skill set to optimize system performance and contribute to innovative projects in a back-end software development role.
    Featured Skill Kotlin
    Rust
    Mongoose
    Docker
    Node.js
    PostgreSQL
    ExpressJS
    NestJS
    MongoDB
    MySQL
    Spring Boot
    Java
    JavaScript
    TypeScript
    Golang
  • $28 hourly
    ✨ Android: - Proficient in Android SDK, Kotlin. - Strong debugging and troubleshooting skills. - Experience with JSON, XML. ✨ Kotlin: - Expertise in Kotlin for Android application development. ✨ WordPress: - Experience in developing WordPress-based solutions. ✨ Ktor: - Familiarity with Ktor, a Kotlin-based asynchronous web framework. Key Skills - Firebase, MongoDB, NoSQL, GraphQL. - MVC, MVVM, MVP design pattern. - Excellent interpersonal skills, outstanding problem-solving skills. Backend: Firebase, Firestore, GraphQL, etc. Experience Highlights: I have over 4 years of experience in developing Android applications, working closely with clients to transform their ideas into robust and high-quality functional applications. My expertise includes: - Application architecture design. - SDK development for Android. - Integration with cloud servers such as Amazon, Firebase, GCloud. - Creating custom user-interaction components. - Apple Push Notification implementation. - Integration of Web Services and APIs. - Utilizing new frameworks and 3rd Party SDKs. - Social networking integration (Facebook, Twitter, LinkedIn, Flickr, Youtube, Instagram). - GPS, Google Maps, and location tracking. - Photo and video manipulation (GPUImage, OpenCV). Free Consultation: Feel free to ask for your free 30-minute initial consultation session to discuss your project requirements and explore how my skills can contribute to its success.
    Featured Skill Kotlin
    Firebase
    Android
    Mobile App Development
    ARCore
    Blockchain Development
    DApps
    Android App Development
    Machine Learning
    React
    GitHub
    Git
    Django
    Python
    Java
  • $18 hourly
    I'm a software engineer with 3+ years of experience. I develop applications for mobile phones, tablets, tv and wearables. Not a stranger to the app development ecosystem and I'm very much experienced with technologies such as Analytics, In-app/Cloud messaging, Jitsi/Webrtc, and authentications. I've developed applications for various institutions, companies and organizations. I look forward to working with you.
    Featured Skill Kotlin
    Hybrid App Development
    Smartphone
    API Integration
    Android
    Firebase
    Native App Development
    Tablet
    Core Java
    Mobile App Development
    Flutter
    Wearable Technology
    Android App Development
    SQL
    Java
  • $39 hourly
    Professional Android and iOS mobile app developer with over 6 years of experience creating cross-platform and Native applications. All the apps I create have to achieve these before it gets to you: Modern design A clean & responsive user interface Secure API integration Easy scalability App security & integrity Follows Google Play Store & Apple App Store regulations Follows country regulations Expertise in Flutter, Dart, Swift, Java, Kotlin, SQL Database, Firebase, Superbase, AWS, API integration, Map integration, and Chat and messaging software. I’m ready to work! But I don’t take more than 4 monthly projects, to ensure quality checks. 🌟 Let's talk and bring your vision to life!
    Featured Skill Kotlin
    TensorFlow
    Core ML
    ChatGPT API
    AI Model Integration
    Apple Xcode
    Swift
    Android Studio
    iOS
    Java
    API Integration
    Android
    Firebase
    Dart
    Flutter
  • $50 hourly
    I am an experienced mobile application developer with a degree in Computer Science and over 12 years of coding. I have a track record of success creating apps that are both well-received and commercially viable. Skilled with working as a team and incorporating input into projects. Strong eye for detail and tenacity to never quit on something until it is absolutely perfect. I singlehandedly built a mobile banking application for a new generation bank in Nigeria. The banking app enables Lotus Bank customers to carry out different banking operations (sending and receiving money, QR payment, bills payment, tax management, etc) on their smartphones. SKILLS * Proficiency in Flutter, Java, Swift, Dart and PHP, databases such as MySQL, NoSQL, MongoDB. * Firebase/Google APIs: Authentication, Analytics, Cloud Messaging, Cloud Functions, Remote Configurations, Database, Storage, Maps. * Thorough knowledge of programming fundamentals, data structure, testing techniques, object-oriented analysis, web development, gathering data for requirements and use case development Familiar with most popular operating systems: Linux, Windows and Mac OS. * Solid team-working skills with the ability to produce effective results under minimal supervision. * Strong communication and interpersonal skills as well as the ability to develop and maintain good relations with peers, management, and clients. * Solid researching and analytical skills along with the ability to interpret and convert specifications into instructions and codes. * Ability to solve design and programming problems effectively * Excellent reporting and presentation skills. * Proven time-management skills and the ability to complete projects within specified deadlines. * Ability to excel in fast-paced and high demanding work environment as well as maintain up-to-date knowledge with latest trends and developments.
    Featured Skill Kotlin
    RESTful API
    JSON
    Data Structures
    Google Cloud Platform
    Problem Solving
    API
    Algorithms
    Amazon Web Services
    Firebase
    Swift
    PHP
    Dart
    Android Studio
    Flutter
    Google Analytics
    Java
  • $70 hourly
    Are you searching for a seasoned mobile app developer who can deliver exceptional results while minimizing the risks and stress associated with project development? Look no further. With over 6 years of experience in software engineering and a strong background in business, I offer a unique blend of technical expertise and project management skills to ensure your project's success. My background includes: Over 6 years of developing and publishing Android & iOS mobile apps. 3 years as a senior technology leader at major companies. Proficiency in budgeting, marketing, sales, and communication. A track record of successfully completing projects without drama or budget creep. I can assist you with a wide range of services, including but not limited to: Building mobile apps from ideation to MVP and beyond. Reviving, updating, or fixing existing applications. Integrating payment libraries into your mobile application like stripe, PayPal etc. Integrating blockchain technologies like cryptocurrency into your mobile application. Integrating RESTful API into your mobile applications. Integrating new or existing applications into popular back-end systems like Firebase, Azure or AWS. Incorporating AI features into your mobile application. Rescuing stalled app development efforts and bringing them to completion. Providing expert guidance on feature possibilities, Play Store & App Store guidelines, and monetisation strategies. I'm passionate about development, problem-solving, and turning your vision into reality. Let's discuss your project, and together, we can find the path to success. Thank you for considering my profile after undoubtedly reviewing many others.
    Featured Skill Kotlin
    SQL
    NoSQL Database
    Entity Framework
    Agile Software Development
    .NET Framework
    Swift
    JavaScript
    Java
    C#
    Node.js
    Xamarin
    React Native
    iOS Development
    Android App Development
  • $38 hourly
    I am a dedicated Android Mobile Developer with 6+ years of experience building stunning, high-performance mobile applications. My expertise lies in native Android development using Kotlin and Java, and cross-platform development with Flutter and Jetpack Compose Multiplatform. I specialise in creating scalable, user-friendly, and visually stunning apps that drive engagement and deliver measurable business results. From e-commerce and fitness to education and IoT, I’ve developed apps that solve real-world problems and delight users across industries. Whether you need a native Android app optimised for performance or a cross-platform solution that shines on both Android and iOS, I’m here to bring your vision to life with precision and creativity. Looking for a developer who combines technical expertise with a passion for innovation? Let’s collaborate to create an app that sets your business apart! Why Choose Me? Specialised Expertise: 6+ years focused on Android and cross-platform development, delivering 50+ successful apps. Quality-Driven: I craft apps that prioritise performance, accessibility, and seamless user experiences. Client-Centric: Your business goals guide every decision, ensuring your app exceeds expectations. Transparent Communication: Regular updates via Slack, Zoom, or Upwork, keeping you informed at every stage. Post-Launch Commitment: Ongoing maintenance, bug fixes, and feature enhancements to keep your app thriving. Core Skills: Native Android Development: Kotlin, Java, Android SDK. Cross-Platform Development: Flutter (Dart), Jetpack Compose Multiplatform. UI/UX Design: XML, Jetpack Compose, Material Design 3. Data Management: RoomDB, SQLite, SharedPreferences, DataStore. Networking & APIs: Retrofit, Ktor, Dio, RESTful APIs, GraphQL. Concurrency: Coroutines, Kotlin Flows, RxJava. Firebase Suite: Authentication, Firestore, Realtime Database, FCM, Crashlytics, Analytics. Architecture Patterns: MVVM, MVI, Clean Architecture. Dependency Injection: Hilt, Koin, GetIt. Image Loading: Glide, Coil. Background Processing: WorkManager, Android Services. Testing: JUnit, Mockito. Navigation: Navigation Component, Voyager. Version Control: Git, GitHub. Performance Optimization: Lazy loading, memory management, and app size reduction. Ready to Build Your Next App? Whether you need a sleek native Android app or a cost-efficient cross-platform solution, I’m here to deliver a product that exceeds your expectations. Send me a message on Upwork, and let’s discuss how I can help your business grow with a powerful, modern mobile app. Let’s make something amazing together!
    Featured Skill Kotlin
    Android App Development
    Vue.js
    Laravel
    HTML
    SQL
    AJAX
    CSS
    Node.js
    Java
    HTML5
    JavaScript
    PHP
    Python
  • $20 hourly
    If you need a skilled React, Next.js, or Flutter developer, look no further. As an accomplished full-stack developer, I excel in designing and developing custom web applications that drive business success. I offer a comprehensive set of skills in technologies including Flutter, React, Next.js, Node.js, Express.js, MongoDB, MySQL, Redux, Socket.io, Nest.js, Firebase, PHP, Laravel, CodeIgniter, Supabase, Appwrie, Twilio, mapping services, and proficient in CMS platforms like WIX, Shopify, WordPress, Joomla, and Drupal. Services Offered: ✅ Dynamic Web Applications: Create responsive, high-performance applications using React.js and Next.js, tailored to meet your business needs. ✅ Server-Side Rendering Applications: Utilize Next.js to enhance SEO and performance with server-side rendering. ✅ Custom Web Features & Integrations: Develop custom functionalities such as real-time chats, authentication systems, web push notifications, and Firebase integrations (Authentication, Real-Time Database, Hosting, Cloud Functions, Analytics). ✅ API Development and Integration: Offer robust backend solutions with Node.js, including both RESTful and GraphQL API development. ✅ CMS Development & Customization: Experienced in setting up, customizing, and integrating CMS platforms such as WordPress for blogging and corporate sites, Joomla for e-commerce and social networks, and Drupal for complex, multi-user platforms. Why Choose Me? ✅ Wide-ranging Technical Expertise: Strong foundation in JavaScript, its frameworks, and extensive CMS knowledge. ✅ Commitment to Quality: Dedicated to delivering projects that fully meet your requirements with a 100% satisfaction guarantee. ✅ Professional and Timely Service: I ensure all projects are delivered on schedule and with the utmost professionalism. ✅ Continued Support: Includes one week of post-delivery support to guarantee smooth operation and client satisfaction. Transform your ideas into cutting-edge web solutions with a developer who has the expertise to ensure success. Let's connect and discuss how we can achieve your goals! - Flutter ✅ Firebase, Supabase, Appwrite etc. ✅ Analytics (Firebase, AppsFlyer and others). ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Payment Integration. ✅ Responsive UI designs for all phone devices (phone, tablet). ✅ Releasing the app on Google Play, AppGallery & Appstore. ✅ Riverbed, BloC, Provider, Animations, Charts, Chat, Notifications (FCM), Socials API, Branch SDK, Agora SDK, Google API. - React/NextJS/Remix ✅ NextJs, Remix, Sveltekit ✅ Prisma, Drizzle, Firebase, Supabase, Appwrite, SQLite, etc. ✅ Analytics (Firebase, PostHog and others). ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Payment Integration. ✅ Responsive UI designs for all phone devices (phone, tablet). ✅ TailwindCSS, Chakra UI, Radix UI, etc ✅ React Query, tRPC - NodeJS ✅ NestJS, Express ✅ Firebase, Supabase, Appwrite, SQLite, Postgres, MongoDB, etc. ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Aws Service (SES, S3, CloudFront, EC2, etc) ✅ Payment Integration. - Laravel/PHP ✅ Fullstack webapp ✅ API ✅ Aws Service (SES, S3, CloudFront, EC2, etc) ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Payment Integration. - DevOps ✅ AWS ✅ Digitalocean ✅ Google Cloud
    Featured Skill Kotlin
    Remix
    Java
    NestJS
    SwiftUI
    Dart
    Golang
    Flutter
    Next.js
    Laravel
    React
    Node.js
    WordPress
    JavaScript
    PHP
  • $25 hourly
    Hello! I am Stephen, a Google certified Android Developer with over 3 years of experience. Developed and maintained Android applications using Java and Kotlin Built new android applications from scratch and adding new features to existing applications. Dedicated to maintainable, effective solutions to modern development problems.
    Featured Skill Kotlin
    RESTful API
    Mobile App
    Google Play
    Google Ads
    iOS SDK
    Firebase
    iOS
    Java
    Android
    Android Studio
    iOS Development
    Flutter
  • $25 hourly
    I'm an Android app developer with over 5 years of professional experience building high-performing mobile applications. After honing my skills in the industry for the past 3 years, I'm excited to return to Upwork and leverage my expertise to help you build your dream app. What I bring to the table: Solid Industry Experience: Proven track record of developing and launching successful Android apps within a company setting. Worked in the FinTech, HealthTech and EduTech spaces. Sharpened Skills: My recent work has allowed me to stay current with the latest Android development tools and best practices (e.g., Kotlin, Jetpack Compose). Renewed Focus on Freelancing: I'm eager to apply my experience and dedication to tackling exciting freelance projects and collaborating directly with clients. Enhanced Efficiency: Working in a fast-paced environment has streamlined my development process, ensuring timely project delivery. I'm passionate about projects that: Utilize cutting-edge Android features and libraries. Deliver exceptional user experiences that keep users engaged. Solve real-world problems with innovative mobile solutions. Let's bring your app idea to life! I'm confident that my combination of industry experience, up-to-date skills, and renewed freelance focus makes me a valuable asset to your project. Contact me today to discuss your needs and see how I can help you achieve your app goals.
    Featured Skill Kotlin
    Android Room Persistence
    XML
    Android SDK
    Android App Development
    Retrofit
    Java
    SQLite
    Android Studio
    Firebase
  • $25 hourly
    ABOUT A full-stack mobile app and web developer, with the ability to create captivating user interfaces and experiences. Look no further, I am the perfect fit for your job I am an energetic, dedicated, and ambitious person with a proven track record. I am excellent at working with others to achieve a certain objective on time and with excellence. My greatest passion in life is using my technical knowledge to benefit other people and organizations. ACHIEVEMENTS A former student representative council member at Tedder Hall University of Ibadan Led the team that developed different MOBILE APPS and WEBSITES EDUCATION Currently studying medicine and surgery at the University of Ibadan 2013 - 2016 Crescent International High School Three distinctions in West African Secondary School Examination. EMPLOYMENT AND WORK HISTORY Head of IT Cybercam Leading the IT team involved in the development of a security camera Mobile app developer zap international company Development and deployment of Zap website mobile application Podcast App: Ensure smooth streaming and user-friendly features. Personalized content recommendations and social sharing. Dating App: Focus on secure matching and user privacy. Develop user-friendly communication features. Healthcare App: Ensure compliance and data security. Implement insurance and location of new hospitals. Shopping App: Smooth payment system and intuitive UI. Implement product reviews and mobile optimization. Different Websites: Responsive design and effective SEO. User-friendly navigation and robust security measures. SKILLS Excellent knowledge of a variety of programming languages including JAVA, KOTLIN, DART, PYTHON, SWIFT, PHP, and JAVASCRIPT amongst others. A SENIOR-LEVEL Android and Ios mobile app developer Vast knowledge in mobile application design and user experience, using FIGMA Excellent communicator and team player Hobbies and interests I enjoy reading any book that improves my skill set, computer programming, being a team player, playing basketball, problem-solving, and anything medical-related. References Reference available upon request.
    Featured Skill Kotlin
    API Development
    iPhone & iPad Apps
    Web Development
    API
    iOS
    iOS Development
    Android Studio
    Mobile App Development
    Java
    PHP
    JavaScript
    Android
    Android App Development
    Native App Development
  • $22 hourly
    Welcome! I'm David. Senior Mobile App Developer and Freelancer. I build production-ready and scalable apps from the get-go: How I can help you: - Build, test, and deploy your app from ideation to MVP and beyond - Revive, update, or fix existing applications and improve overall performance - Fix bugs and provide potential optimization tips to deliver the best experience to your clients - Get your previously halted app development efforts over the finish line - Redesign and improve overall application UI and UX - Perform code reviews and optimization. I'd be more than happy to discuss your projects and help you find success!
    Featured Skill Kotlin
    Git
    SQL
    Clean Architecture
    API
    Flutter Stack
    UI/UX Prototyping
    GitHub
    Dart
    Flutter
    Java
    Node.js
    Firebase
  • $50 hourly
    I offer great services to my clients. I am highly available, responsive, easy to work with and value transparency. I am skilled and trained in Mobile Development for Android Platforms and Also Flutter framework. I have worked on E-Commerce, Dating, Financial and Real Estate applications within the past 2years in a team. I have worked with several developers on different projects and have also been part of a team.
    Featured Skill Kotlin
    Graphic Design
    Payment Functionality
    Android App Development
    Social Media Account Integration
    Firebase
    In-App Purchases
    SQLite
    User Authentication
    Android
    Java
    Mobile App Development
    Flutter
    Map Integration
    In-App Advertising
  • $30 hourly
    As a skilled Mobile Developer with 5 years of experience, I specialize in creating robust, user-friendly, and high-performance mobile applications for both Android and iOS platforms. My expertise spans React Native, Kotlin, and Expo, with a focus on delivering seamless cross-platform solutions. I have successfully developed and launched multiple mobile apps, including the highly regarded Cakkie, a social marketplace for bakers, as well as other native and hybrid applications. I excel in UI/UX design, ensuring that the apps I build offer an intuitive and engaging user experience. I’m also proficient in Firebase integration, API development, and backend services to provide full-stack solutions. My projects are always aligned with Agile methodologies, ensuring timely and efficient delivery. Key Strengths: - Mobile development for Android & iOS (React Native, Kotlin, Expo) - Experience in hybrid to native migration - Strong backend skills, with expertise in NestJS and Node.js - Skilled in building apps with complex features like real-time notifications, countdown timers, and secure data storage - Proven track record of delivering high-quality applications With a B.Eng degree and a certification in Software Engineering from ALX, I bring both strong technical skills and practical experience. Let’s work together to bring your mobile app vision to life!
    Featured Skill Kotlin
    Android Room Persistence
    Full-Stack Development
    Back-End Development
    Figma
    Google Play
    Front-End Development
    Android SDK
    API Integration
    Android App Development
    User Authentication
    In-App Purchases
    iOS Development
    Mobile App Development
    Android Studio
    Hybrid App Development
    Native App Development
  • $20 hourly
    8 years experienced Android Mobile Developer with a record of delivering commercially viable apps. Creating an end-to-end mobile application that meet organizations standard. Collaborating in large team of 80-100 developers, committed to consistently creating, implementing, and embracing new technologies to optimize development effectiveness and produce creative applications.
    Featured Skill Kotlin
    Lead Management
    FlutterFlow
    Flutter
    Chatbot Development
    Android App Development
    Java
    Firebase
    Android
    Mobile App Development
  • $7 hourly
    Hello there! I'm an Android developer with a passion for crafting innovative and user-friendly mobile experiences. With over 4 years of expertise in the realm of Android app development I currently work as android developer at Totally Rocking Technologies a software company in Nigeria, I've successfully brought numerous ideas to life and transformed them into feature-rich applications. Why Choose Me? Extensive Expertise: I possess a deep understanding of the Android ecosystem, frameworks, and libraries. My proficiency in Java/Kotlin, along with a keen eye for design and usability, allows me to create polished and responsive apps that exceed client expectations. Full-Cycle Development: From concept ideation to deployment, I offer end-to-end Android development services. I'm well-versed in UI/UX design, API integrations, database management, and implementing the latest technologies like AR/VR and machine learning. Custom Solutions: I believe in personalized solutions tailored to each client's unique requirements. By collaborating closely with my clients, I ensure that their vision is translated into a functional and captivating Android application. Optimized Performance: My code is not just about functionality; it's about optimal performance. I pay close attention to performance optimization, ensuring apps run smoothly across different devices and screen sizes. Timely Delivery: Punctuality is paramount in the fast-paced world of app development. I take pride in delivering projects on time, meeting milestones, and providing regular updates to keep clients informed throughout the development process. Quality Assurance: Rigorous testing is a key aspect of my development process. I conduct thorough testing procedures to identify and eliminate bugs, resulting in robust and reliable scalable, efficient and most importantly maintainable Android applications. Client Satisfaction: My ultimate goal is client satisfaction. I believe in building long-lasting relationships with my clients through exceptional service and support, even after project completion. If you're looking for a dedicated Android developer who can turn your app ideas into reality, let's connect! I'm eager to hear about your project and discuss how we can create an exceptional Android application together. Whether it's a standalone app or a part of a larger ecosystem, I'm ready to contribute my skills and expertise to make it a resounding success. Feel free to reach out to me here on the platform, and let's embark on an exciting journey to elevate your mobile presence with a top-notch Android application!
    Featured Skill Kotlin
    C++
    Android SDK
    Android NDK
    Android
    Coroutine
    Dart
    React Native
    React
    Flutter
    JetPack
    JavaScript
    Java
    Android App Development
    Firebase
  • $15 hourly
    Want to develop an android application? I enjoy solving problems and turning great ideas into android applications. I develop android applications with the best design practices for user interface and user experience. I specialize in: • Android App Development • Android App Design • Firebase • Java • Kotlin Contact me for all your android development projects!
    Featured Skill Kotlin
    Android App
    Android UI Design
    UX & UI
    Android SDK
    Mobile App Development
    Android Studio
    Firebase
    Java
    Android
    Android App Development
  • $10 hourly
    I'm a flutter developer having 7 years of experience in mobile app development. I have experience working as part of a team as well as an individual developer. I possess knowledge of flutter and its core principles which lets me build Android and iOS applications that are visually stunning as well as perform buttery smooth even on lower-end devices. I am also very skilled with flutter development and native Applications. I always adapt to the latest technologies and libraries that help me understand the upcoming revolutions in mobile app development faster than ever. I'm open to both short-term and long-term work which means if your team or your project needs quick support or if you are looking for someone for a longer term to support your project. Just send me a message and I will get in touch as fast as I possibly can. What are some areas where I could be the PERFECT FIT? 1. Convert your Figma or XD design to a responsive React Native app (Android & iOS) 2. API Integration (REST & GraphQL) 3. Performance Optimisation: Fix your Poor Performing Apps 4. Refactoring Messed code and Fix Errors and Bugs 5. Expo (Any Kind of Tasks Related to Expo) 6. Buttery Smooth Animations with Reanimated 3 7. Firebase, Amplify, Supabase Integration 8. Deployment to AppStore / PlayStore 9. Working on NodeJS Backend Including (Amplify, Firebase, Express or any other) 10. Cool Gestures with GestureHandler 11. Setup your React Native Project from Scratch with Best Architecture and Practices. optimal performance. ✅ While working with me you'll get: ◆ Market-competitive Mobile App Development services ◆ Excellent and reliable communication ◆ Projects Report & Status on a daily basis ◆ Immediate response ✅ Here are some Top technologies & Services I am skilled at: ◆ React Native ◆ React Native CLI, Expo ◆ (Java, Kotlin) Android development ◆ Flutter development ◆ React-query,React native paper, React navigation, Zustand, React native mmkv, react hook form, Axios, Async storage ◆ Sockets, Cloud Messaging, Chat, Camera, Video, Audio ◆ Firebase, Cloud Firerstore, Firebase Realtime database ◆ GitHub, Bitbucket ◆ API integrations (Stripe, Paypаl, Tabby, Tap-Payment, Twilio, Google Maps and other maps, Facebook, Twitter, Google+, Instagram, etc.) ◆ VSCode, Android Studio, XCode ✅ I have experience creating apps in the following areas: ◆ E-Commerce Apps ◆ Fitness & Nutrition Apps ◆ Social Media & Broadcasting Apps ◆ Ride Booking Apps ◆ Job Finding Apps ◆ QR & Barcode Scanner Apps ◆ Real Estate Apps ◆ Travel Apps ✅ Skills React Native(ReactNative), Flutter developer, (Java and Kotlin )Android developer Amazon Web Services (AWS), Firebase, MySql. ------------------------------------------------------------------------- #ReactNative #Flutter, Kotlin #Amazon Web Services #Google Analytics #Social Media Account Integration #API Integration #Map Integration #Mobile App Development #JavaScript #TypeScript #Firebase #GraphQL #Firebase Cloud Firestore #Mobile App #Redux #Stripe #reactnative #javascript #reactjs #html #programming #react #css #python #coding #android #developer #java #webdevelopment #programmer #flutter #webdeveloper #nodejs #php #softwaredeveloper #angular #appdevelopment #ios #vuejs #software #typescript #js #mobiledevelopment #mongodb #coder #javascriptdeveloper #ReactNativedeveloper #ReactNativemobiledeveloper #ReactNativeappdeveloper #ReactNativemobileappdeveloper #APIIntegration #MapIntegration #MobileAppDevelopment #JavaScript #TypeScript #GraphQL #FirebaseCloudFirestore #MobileApp #Android #AndroidApp #React #HybridAppDevelopment #NativeAppDevelopment #iOSDevelopment
    Featured Skill Kotlin
    Android App
    Android SDK
    Android Studio
    Swift
    Java
    iOS
    Android
    Dart
    Flutter
    React
    React Native
  • $75 hourly
    Experienced Developer | Android, IOS, Java, Kotlin, React Native, Flutter, SEO Specialist With over 7 years of hands-on experience developing applications and services for small to medium-sized businesses, I offer solutions tailored to your specific needs. I specialize in building robust, scalable, and efficient systems using a wide range of modern technologies, including: - Languages & Frameworks: Java, Kotlin, Compose, Flutter, Dart, React Native, Typescript - Mobile Development: Android, iOS apps, Native, and Cross Platform - Web Development: Web Frontend, and backend services(Firebase, GCP, AWS) - SEO: Optimizing applications and websites for search engine performance I am committed to delivering high-quality projects, on time and within budget, ensuring a seamless process from start to finish. Whether it’s a single task or managing your entire project, I bring strong attention to detail and a proactive approach. What I bring to the table: - A results-driven mindset to deliver scalable solutions - Clear, regular communication to ensure transparency at every step - A full project management process from planning to deployment and post-launch support Let’s collaborate to bring your vision to life. I’m ready to help you achieve your business goals with efficient, future-proof solutions. Looking forward to working with you!
    Featured Skill Kotlin
    Test Automation Framework
    App Development
    iOS Development
    Android App Development
    Firebase
    CI/CD
    Fastlane
    AWS AppSync
    AWS Amplify
    Dart
    Android Studio
    Flutter
    Android
    React Native
  • $15 hourly
    I’m Emmanuel Iyke, a Senior Android Engineer with over five years of experience in designing, developing, and deploying robust, user-centric mobile applications. Based in Lagos, Nigeria, I specialize in building scalable, secure, and high-performance Android apps using Kotlin and Java. My expertise spans Fintech, Logistics, and Commercial Applications, where I’ve consistently delivered solutions that enhance user engagement and drive business growth. I have a proven track record of implementing modern Android technologies such as Jetpack Compose, MVVM, MVI, and Clean Architecture to create maintainable and efficient codebases. My deep understanding of Android SDK, Retrofit, Room, and Dagger/Hilt enables me to build sophisticated applications with seamless API integrations, secure authentication mechanisms, and optimized performance. I’m passionate about leveraging cutting-edge tools like Kotlin Coroutines, StateFlow, SharedFlow, and Firebase to deliver real-time, data-driven solutions. My commitment to security is evident in my work with SSL/TLS encryption, SQLCipher, and Multi-factor Authentication (MFA), ensuring user data is protected at all times. Technical Expertise Languages: Kotlin, Java Frameworks & Libraries: Android Jetpack (ViewModel, LiveData, Navigation, Room, Compose), Retrofit, Dagger 2, Hilt, RxJava, Kotlin Coroutines Architectures: MVVM, MVI, Clean Architecture Tools & Platforms: Android Studio, Firebase (Authentication, Firestore, Cloud Messaging), Git (GitHub, GitLab, Bitbucket), Jenkins, Jira Core Skills: Android Application Development UI/UX Design & Implementation API Integration & RESTful Services Dependency Injection (Dagger/Hilt) Unit Testing & Test Automation (JUnit, Mockito, Espresso) Agile Methodologies & Team Collaboration Writing Clean, Maintainable, and Efficient Code Key Achievements Successfully designed and developed 10+ Android applications with over 100,000+ combined downloads on the Google Play Store. Implemented SSL/TLS certificate pinning using OkHttp to mitigate Man-In-The-Middle Attacks, ensuring secure communication channels. Enhanced data security by integrating SQLCipher Encryption within the Room database, protecting sensitive user information. Developed real-time Fraud Detection Systems using Machine Learning Models, Transaction Monitoring, and Behavioral Biometrics to identify and prevent suspicious activities. Optimized app performance, reducing load times by 30% and improving user retention by 20%. Mentored and led teams, fostering a culture of knowledge sharing and continuous improvement.
    Featured Skill Kotlin
    Java
    UI/UX Prototyping
    Git
    ProGuard
    GraphQL
    Dependency Injection Framework
    Dagger 2
    RxJava
    Retrofit
    WorkManager
    Navigation Design
    Model View ViewModel
    Android
    Google Play
  • $40 hourly
    I am a senior Android developer with almost 10 years of experience mostly in card payments . I have strong analytical and problem solving skills with a knack for clean code and quality softwares. I work with the following technologies; • Kotlin • Flutter • Java • Rxjava • Android Jetpack • Retrofit • MVVM, MVP, MVC Architecture patterns • Dagger2 • Hilt • Room for database • Firebase • Mapbox • Google Maps • Android SDK • RESTful APIs Other expert skills are - POS development - Card Scheme Certifications (MasterCard, VISA, AMEX, Diners, Discover, VERVE, etc) Thank you for giving me the opportunity to work with you.
    Featured Skill Kotlin
    Android App
    Software Architecture & Design
    Coroutine
    RxJava
    Mobile App
    Sprint Planning
    Material Design
    Agile Software Development
    Reactive Programming
    Android SDK
    Java
    Android
    Android App Development
  • $20 hourly
    I am a skilled programmer and software developer with expertise in mobile app development and web app development. I specialize in using the ASP.NET CORE framework for backend development and SQL Server for databases. Additionally, I possess proficiency in Linux System Administration. I am experienced in working with the following technologies: GNU/Linux Operating System Android Studio Unity Game Engine Java Programming Language Advanced Python Programming Shell Scripting C# Programming Language C Programming Language Kotlin Programming Language JavaScript HTML5 CSS3 VueJs Microsoft SQL Server ASP.NET Core With a comprehensive skill set, I am well-equipped to tackle a diverse range of projects. Let's collaborate to bring your ideas to life.
    Featured Skill Kotlin
    Adobe Premiere Pro
    Video Editing Software
    ASP.NET
    Vue.js
    Web Development
    Unity
    Linux
    Python
    C
    C#
    Java
  • $30 hourly
    I'm an accomplished Flutter developer specializing in creating captivating and high-performing mobile applications. I am proficient in all aspects of the Flutter development lifecycle, from design and development to testing and deployment. I am also experienced in using Firebase, Google Cloud Platform, and other backend services. * Flutter Excellence: Proficient in Flutter, I craft seamless and dynamic user experiences across platforms. * UI/UX Focus: Mastering UI design, I transform concepts into engaging applications that resonate with users. * Backend Integration: Seamless API integration, including payment gateways, ensures secure and efficient transactions. * Collaborative Teamwork: Strong communication skills and effective collaboration drive successful projects. * Problem-Solving: I thrive on tackling complex challenges and ensuring application stability. * Project Management: I manage projects from inception to delivery, ensuring quality and adherence to timelines.
    Featured Skill Kotlin
    Git
    Desktop Application
    Mobile App
    Dart
    Firebase
    Flutter
    iOS
    Android
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