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Hire the best Android App Developers in Nairobi, KE

Check out Android App Developers in Nairobi, KE with the skills you need for your next job.
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  • $35 hourly
    • 4.6/5
    • (206 jobs)
    🏆100% job success score. 🏆TOP RATED PLUS ( 3% of talent on Upwork) specializing in Mobile Applications Development targeting iOS and Android platforms using Native and Hybrid (React Native, Cordova & Flutter) approach.
    Featured Skill Android App Development
    Git
    RxSwift
    Flutter
    Kotlin
    Java
    JavaScript
    User Profile Creation
    Mobile App Development
    Node.js
    iOS Development
    Swift
    Objective-C
    React Native
    Hybrid App Development
  • $36 hourly
    • 4.9/5
    • (49 jobs)
    Greetings🙏🙏! I am an experienced Full Stack Senior Software Engineer with a passion for creating impactful software solutions. With over 6 years of diverse experience, I specialize in developing custom web and app solutions that drive innovation and deliver tangible results💯. My expertise lies in crafting robust and scalable applications, spanning from mobile 📱and 🖥️PC games to websites, web applications, and mobile apps. As an engineering graduate, I possess a solid foundation in software development principles and an unwavering commitment to excellence. Technical Skills: I possess a versatile skill set encompassing a wide array of programming languages, including Dart, JavaScript, Python, and C#. Leveraging these languages, I create dynamic and interactive user interfaces while ensuring efficient server-side functionalities. My proficiency extends to frameworks and libraries such as React.js, Flutter, FastAPI, and Flask, enabling me to build cutting-edge applications with seamless performance. Full Stack Proficiency: I excel in both front-end and back-end development, allowing me to seamlessly integrate user interfaces with robust server-side functionalities. With a deep understanding of database management, I ensure efficient data storage and retrieval. Additionally, I possess expertise in API integration, enabling smooth communication between different components of a software ecosystem. Project Experience: Throughout my career, I have successfully delivered numerous large-scale projects. Notably, I led the development and maintenance of an integrated e-commerce platform called Umart, which facilitated multiple dealers to sell their products seamlessly. I have also made significant contributions to various game projects, garnering remarkable success in the market. Collaborative Approach: Communication and teamwork are at the core of my work ethos. As a natural leader, I thrive in collaborative environments and effectively liaise with cross-functional teams, clients, and stakeholders. I have a proven track record of delivering high-quality work within deadlines, ensuring client satisfaction and project success. Client Satisfaction: The happiness and success of my clients are paramount to me. I have consistently received positive feedback and testimonials, which are visible on my Upwork profile. Clients appreciate my dedication to understanding their unique requirements and delivering tailored solutions that exceed their expectations. Continuous Learning: In the ever-evolving world of technology, I remain committed to continuous learning. I actively stay updated with the latest industry trends, tools, and best practices. By embracing new technologies and enhancing my skill set through online courses and self-directed learning, I ensure my clients benefit from the most innovative and efficient solutions. If you are seeking a seasoned Full Stack Senior Software Engineer who can bring your vision to life and deliver exceptional results, I am ready to collaborate with you. Let's discuss your project requirements and embark on a journey of success together!
    Featured Skill Android App Development
    Firebase
    Software Development
    Database
    Game Development
    Android Studio
    iOS Development
    Flutter
    In-App Purchases
    iOS
    JavaScript
  • $25 hourly
    • 4.5/5
    • (15 jobs)
    I have 6 years experience working as a Software Engineer. I write very clean, testable and robust code. I have worked professionally with Spring Boot|Java, Native Android and Flutter. I am also proficient with CI/CD pipelines using Bitbucket Pipelines,Jenkins, Circle CI, Codemagic, and Travis CI along with GCP, AWS cloud services and Docker. Current technologies I work with include Bitbucket Pipelines, MySQL, Java 21, Liquibase, AWS and Spring Boot. I'm a free spirit and fast learner, ready to make money for myself and my employers.
    Featured Skill Android App Development
    Web Development
    Mobile App Development
    Flutter
    Chat & Messaging Software
    Hybrid App Development
    Android
    Firebase
    Android Studio
    Dart
    Spring Boot
    Java
    MySQL
    SQL
    Git
  • $20 hourly
    • 5.0/5
    • (8 jobs)
    Looking for a top-notch, tailor-made, and cutting-edge web or mobile application? Look no further! As a React JS and React Native developer, I specialize in creating cross-platform apps that offer a seamless user experience on multiple devices. Armed with the latest technologies and best practices, I guarantee that your application will not only be visually stunning but also speedy, responsive, and dependable. As a full-stack software wizard, I am passionate about crafting complex JS projects and exploring the latest front-end technologies like React Js and React Native. With over 4 years of experience, I have honed my skills to become a React Js and React Native ninja. Currently, I am a senior mobile engineer at Gessic Softwares. My technical prowess is complemented by my BSc in Information Technology from Meru University of Science and Technology, where I sharpened my skills and graduated in November 2019. I am now fully equipped to tackle any code challenge that comes my way. But why choose me? I understand that every business is unique and has unique requirements. That's why I take a client-centered approach to app development, working closely with you to identify your specific needs and providing a bespoke solution that meets those needs. My unwavering commitment to delivering top-notch quality work is evident from the planning phase, development phase, and deployment. I stay up-to-date with the latest technologies and tools, ensuring that your application is current and packed with the latest features. In summary, you can trust me to deliver a modern, high-performing mobile app that exceeds your expectations and provides value for your investment. Thank you for considering me for your project. Let's collaborate and bring your vision to life!
    Featured Skill Android App Development
    Redux
    Tailwind CSS
    SCSS
    Laravel
    Push Notifications
    Node.js
    MySQL
    React
    JavaScript
    Firebase
    React Native
    MongoDB
    TypeScript
    Hybrid App Development
  • $25 hourly
    • 5.0/5
    • (103 jobs)
    𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗠𝗘𝗥𝗡, 𝗠𝗘𝗔𝗡, 𝗠𝗘𝗩𝗡 | 𝗥𝗲𝗮𝗰𝘁, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗟𝗮𝗿𝗮𝘃𝗲𝗹, 𝗣𝘆𝘁𝗵𝗼𝗻, 𝗚𝗼𝗹𝗮𝗻𝗴, 𝗣𝗛𝗣 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗛𝗶𝗴𝗵-𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 Are you looking for a 𝙨𝙠𝙞𝙡𝙡𝙚𝙙, 𝙧𝙚𝙡𝙞𝙖𝙗𝙡𝙚, 𝙖𝙣𝙙 𝙧𝙚𝙨𝙪𝙡𝙩𝙨-𝙙𝙧𝙞𝙫𝙚𝙣 full-stack developer to bring your vision to life? With expertise in modern frameworks and backend technologies, I deliver 𝙧𝙤𝙗𝙪𝙨𝙩, 𝙨𝙘𝙖𝙡𝙖𝙗𝙡𝙚, 𝙖𝙣𝙙 𝙝𝙞𝙜𝙝-𝙥𝙚𝙧𝙛𝙤𝙧𝙢𝙞𝙣𝙜 applications tailored to your needs. I specialize in: ✔ 𝙀𝙣𝙙-𝙩𝙤-𝙀𝙣𝙙 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 – From concept to deployment, ensuring quality and efficiency. ✔ 𝙎𝙚𝙖𝙢𝙡𝙚𝙨𝙨 𝙄𝙣𝙩𝙚𝙜𝙧𝙖𝙩𝙞𝙤𝙣 – Quickly adapting to existing codebases and delivering enhancements, fixes, and new features. ✔ 𝙊𝙥𝙩𝙞𝙢𝙞𝙯𝙚𝙙, 𝙈𝙖𝙞𝙣𝙩𝙖𝙞𝙣𝙖𝙗𝙡𝙚 𝘾𝙤𝙙𝙚 – Writing clean, structured code for long-term sustainability. ✔ 𝙋𝙚𝙧𝙛𝙤𝙧𝙢𝙖𝙣𝙘𝙚 & 𝙎𝙘𝙖𝙡𝙖𝙗𝙞𝙡𝙞𝙩𝙮 – Ensuring fast, secure, and efficient applications. ✔ 𝘾𝙡𝙚𝙖𝙧 𝘾𝙤𝙢𝙢𝙪𝙣𝙞𝙘𝙖𝙩𝙞𝙤𝙣 & 𝙍𝙚𝙡𝙞𝙖𝙗𝙞𝙡𝙞𝙩𝙮 – Keeping you informed every step of the way. 🔥𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ✔ React.js, Next.js, Angular, Vue.js ✔ TypeScript, JavaScript (ES6+), Redux, Tailwind CSS ✔ UI/UX Optimization, Responsive Design 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: ✔ Node.js (Express.js, NestJS) ✔ Python (Django, FastAPI), ✔ Golang (Gin, Beego, Goa, Echo) ✔ PHP (Laravel, CodeIgniter), RESTful APIs, GraphQL ✔ PostgreSQL, MySQL, MongoDB, AWS DynamoDB, Firebase 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗖𝗹𝗼𝘂𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: ✔ AWS (EC2, S3, Lambda), Docker, Kubernetes ✔ CI/CD Pipelines, GitHub Actions, Firebase Hosting 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 & 𝗧𝗼𝗼𝗹𝘀: ✔ Agile & Scrum | Jira | GitHub | Slack 🏆𝗟𝗲𝘁’𝘀 𝗕𝘂𝗶𝗹𝗱 𝗦𝗼𝗺𝗲𝘁𝗵𝗶𝗻𝗴 𝗚𝗿𝗲𝗮𝘁 𝗧𝗼𝗴𝗲𝘁𝗵𝗲𝗿! Whether you need a 𝙛𝙪𝙡𝙡-𝙨𝙩𝙖𝙘𝙠 𝙚𝙭𝙥𝙚𝙧𝙩 𝙩𝙤 𝙗𝙪𝙞𝙡𝙙, 𝙚𝙣𝙝𝙖𝙣𝙘𝙚, 𝙤𝙧 𝙤𝙥𝙩𝙞𝙢𝙞𝙯𝙚 your application, I’m here to help. Let's create something 𝙞𝙣𝙣𝙤𝙫𝙖𝙩𝙞𝙫𝙚, 𝙨𝙘𝙖𝙡𝙖𝙗𝙡𝙚, 𝙖𝙣𝙙 𝙞𝙢𝙥𝙖𝙘𝙩𝙛𝙪𝙡. 📩 𝗚𝗲𝘁 𝗶𝗻 𝘁𝗼𝘂𝗰𝗵, 𝗮𝗻𝗱 𝗹𝗲𝘁’𝘀 𝗯𝗿𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝘁𝗼 𝗹𝗶𝗳𝗲!
    Featured Skill Android App Development
    JavaScript
    TypeScript
    Next.js
    Web Application
    Functional Testing
    Software QA
    Blockchain
    Web Development
    Virtual Assistance
    Administrative Support
    Smart Contract
    App Development
    Data Entry
    Cryptocurrency
  • $20 hourly
    • 5.0/5
    • (7 jobs)
    𝗖𝗵𝗮𝗽𝘁𝗲𝗿 𝟭: 𝗔 𝗹𝗶𝘁𝘁𝗹𝗲 𝗜𝗻𝘁𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 Meet an exceptional Android Engineer with nearly 𝟱 𝘆𝗲𝗮𝗿𝘀 of experience in building robust Android applications using Kotlin and Java. With over 𝟭𝟬𝟬𝟬 hours on Upwork, I excel in writing exceptional code, solving complex problems, and thriving in collaborative team environments to help companies scale and deliver top-quality products. 𝗖𝗵𝗮𝗽𝘁𝗲𝗿 𝟮: 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 My technical toolkit of frameworks and libraries includes advanced knowledge of Android development using Kotlin and Java, categorized as follows: User Interface - App Theming - Jetpack Compose - XML - Android Jetpack - Material Components - Custom View Components (Compose and XML) - Lottie - MainActivity, Fragments - Recycler View - Constraint Layout among others Networking - Retrofit - OkHttp - Glide - Picasso Storage and Data Management - Room Database - Shared Preferences - SQLite - Datastore - Keystore Dependency Injection - Dagger - Hilt Inter and Intra Communication and Messaging - Broadcast Receivers - Content Providers - Intents Background and Periodic Tasks - WorkManager - AlarmManager - JobScheduler - Services System Services and Managers - NotificationManager - AlarmManager State Management - Viewmodel - LiveData - Flows - States Asynchronous Programming - Coroutines - RxJava - Threads and Callbacks Logging and Analytics - Firebase/Google Analytics Crashlytics - Timber - Mixpanel Utility Components - DialogFragment - PreferenceManager Testing: TDD - JUnit - Mockito - Mockk - Espresso - Robolectric - Compose UI Testing - Truth - Test Coverage Version Management and Collaboration - Slack - Jira - Bitbucket - GitHub - ClickUp - Git Other - Navigation - Google Play Services like Maps, Google Sign-In etc Best Practices Architectures - Clean Architecture - MVVM - MVI Data Handling - Offline First Architecture - Repository Pattern - UseCase Pattern UI/UX - Material Design - Responsive Design Performance Optimisation - Lazy Loading - Caching Code Quality - Code Review - Static Analysis Others - Security - Test Driven Developement (TDD) 𝗖𝗵𝗮𝗽𝘁𝗲𝗿 𝟯: 𝗣𝗿𝗶𝘃𝗮𝗰𝘆 𝗮𝗻𝗱 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗶𝗻 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 Often overlooked, I've had opportunities to work with some techniques - 𝗘𝗻𝗰𝗿𝘆𝗽𝘁𝗶𝗼𝗻: Implemented 𝗔𝗘𝗦 𝗲𝗻𝗰𝗿𝘆𝗽𝘁𝗶𝗼𝗻 for secure data storage and transmission. - 𝗔𝘂𝘁𝗵𝗲𝗻𝘁𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Integrated 𝗯𝗶𝗼𝗺𝗲𝘁𝗿𝗶𝗰 𝗮𝘂𝘁𝗵𝗲𝗻𝘁𝗶𝗰𝗮𝘁𝗶𝗼𝗻 (𝗙𝗶𝗻𝗴𝗲𝗿𝗽𝗿𝗶𝗻𝘁, 𝗙𝗮𝗰𝗲 𝗜𝗗) 𝗮𝗻𝗱 𝗢𝗔𝘂𝘁𝗵 for secure user login. - 𝗦𝗲𝗰𝘂𝗿𝗲 𝗦𝘁𝗼𝗿𝗮𝗴𝗲: Have utilized Android 𝗞𝗲𝘆𝘀𝘁𝗼𝗿𝗲 for secure key management and encryption of sensitive data. - 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Ensured secure communication with 𝗛𝗧𝗧𝗣𝗦, 𝗦𝗦𝗟 𝗽𝗶𝗻𝗻𝗶𝗻𝗴. - 𝗖𝗼𝗱𝗲 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Applied 𝗣𝗿𝗼𝗚𝘂𝗮𝗿𝗱 for code obfuscation. - 𝗨𝘀𝗲𝗿 𝗣𝗿𝗶𝘃𝗮𝗰𝘆: Ensured compliance with 𝗚𝗗𝗣𝗥 𝗮𝗻𝗱 𝗼𝘁𝗵𝗲𝗿 𝗽𝗿𝗶𝘃𝗮𝗰𝘆 𝗿𝗲𝗴𝘂𝗹𝗮𝘁𝗶𝗼𝗻𝘀. 𝗖𝗵𝗮𝗽𝘁𝗲𝗿 𝟰: 𝗜𝗻𝘁𝗲𝗿𝗽𝗲𝗿𝘀𝗼𝗻𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀 - 𝗘𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: This has been my 𝗺𝗼𝘀𝘁 𝗮𝗽𝗽𝗿𝗲𝗰𝗶𝗮𝘁𝗲𝗱 𝗻𝗼𝗻-𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝘀𝗸𝗶𝗹𝗹 𝗯𝘆 𝗮𝗹𝗹 𝗺𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀, especially considering the diverse settings and environments I have found myself in while working with people all over the world! - 𝗧𝗲𝗮𝗺 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻: I work well in agile/scrum teams, actively participating in meetings and code reviews. - 𝗠𝗼𝘁𝗶𝘃𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽: I lead and motivate teams effectively. - 𝗖𝗹𝗶𝗲𝗻𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: I manage client relationships and understand their needs. - 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝗶𝗰 Thinking: I align development with business goals. - 𝗣𝗿𝗼𝗯𝗹𝗲𝗺-𝗦𝗼𝗹𝘃𝗶𝗻𝗴: I love challenges and tackle them with innovative solutions. - 𝗔𝗱𝗮𝗽𝘁𝗮𝗯𝗶𝗹𝗶𝘁𝘆: I quickly learn new tools and technologies. - 𝗦𝘁𝗿𝗲𝘀𝘀 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: I maintain productivity under pressure. - 𝗜𝗻𝗶𝘁𝗶𝗮𝘁𝗶𝘃𝗲: I’m proactive in improving processes and learning new skills. - 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: I enjoy providing client and consumer support. - 𝗖𝗿𝗲𝗮𝘁𝗶𝘃𝗶𝘁𝘆: I develop innovative solutions and enhance user experience. 𝗖𝗵𝗮𝗽𝘁𝗲𝗿 5 - 𝙁𝙞𝙣𝙖𝙡𝙚: 𝗝𝘂𝘀𝘁 𝗕𝗲𝗳𝗼𝗿𝗲 𝗬𝗼𝘂 𝗚𝗼 Despite my extensive experience, there is a lot that I don’t know yet. I maintain a humble attitude towards learning and eagerly embrace new challenges beyond my current skill set. I look forward to the opportunity of working together to create exceptional Android experiences. Let's innovate and excel together!
    Featured Skill Android App Development
    Firebase
    Git
    UX & UI
    API Integration
    SQLite
    Native App Development
    Google Play
    Android SDK
    JetPack
    Android App
    Mobile App Development
    Android
    Kotlin
    Java
  • $50 hourly
    • 3.8/5
    • (38 jobs)
    I have over 10 years in software development. I currently specialize in: - Full stack development - API Development & Integrations - Ruby, Ruby on Rails, Python, Node.js, and Rust - Javascript, Typescript, React, React Native and Next.js - Payments integration and processing (Stripe, Cybersource, Card Payments, Banks, Remittance, Mobile Payments, M-Pesa, MTN Mobile Money, Crypto) - Javascript, React, React Native, and Angular - User Experience (UX) - Software optimization and security checks - Linux hardening and deployments - RabbitMQ and queues management - Deploying with Docker and Kubernetes - Blockchain (Bitcoin, Ethereum, Private Network Setup, Smart Contracts) - Cryptocurrencies - OpenAI, LLM, Generative A.I What to expect: 1. A well-tested code (unit and functional testing) 2. Work delivered within the deadline 3. Professional working relationship and support My Background: One of the notable institutions I worked with includes Standard Bank Limited, where I was tasked to build a bulk payment middleware. I've also consulted for intasend.com, Rwanda Utilities Regulatory Authority, and TradeMark East Africa among others. In every project I get involved in, I see it as an opportunity to improve and do my best for my clients and personal satisfaction. I'd like to work with teams that embrace such ideologies and passion. Please check my portfolio for other projects showcase. I hope you find it interesting. Do not hesitate to contact me should you require any further clarification.
    Featured Skill Android App Development
    UX & UI
    API
    Cryptocurrency
    React Native
    Blockchain
    Payment Gateway Integration
    DevOps
    Redux
    Docker
    MySQL
    React
    Rust
    Ruby on Rails
    Ruby
  • $5 hourly
    • 5.0/5
    • (2 jobs)
    SUMMARY A software developer deeply passionate about cybersecurity, I bring a versatile skill set essential for crafting secure and efficient software solutions. My competencies encompass encryption, machine learning, and the establishment of robust cybersecurity measures through threat intelligence, vulnerability assessment, and penetration testing. I have a keen eye for UI/UX development, excelling in creating dynamic and interactive interfaces using JavaScript libraries and frameworks. My proficiency extends to mobile application development on both Android and iOS platforms, enhancing my adaptability across projects. I hold a Bachelor's degree in computer security and forensics. Proficiency in version control tools like Git and expertise in programming languages such as Java, C#, Python, Springboot, and nextjs further underpin my capabilities.
    Featured Skill Android App Development
    Database Management System
    Desktop Application
    Web API
    Artificial Intelligence
    Web Application
    Cybersecurity Management
    AI Development
  • $35 hourly
    • 4.9/5
    • (54 jobs)
    I am a skilled Software developer with outstanding expertise in Java, Kotlin, Python, PHP. I am self-motivated and a freelancer. I like assisting people since its a way of learning as well
    Featured Skill Android App Development
    Photo Retouching
    G-Cloud
    Java GUI
    MATLAB
    Native App Development
    Mobile App Development
    CSS
    Android Studio
    Flutter
    Java
    Kotlin
    Python
    Android
  • $5 hourly
    • 5.0/5
    • (3 jobs)
    I am a creative, and ambitious software developer always seeking new experiences and learning opportunities. My commitment to delivering high-quality work ensures timely delivery and complete customer satisfaction. With extensive exposure to a wide range of technologies and skills, I am well-equipped to handle diverse and complex projects. I also have significant experience in mobile and ARM-based device security. My expertise includes vulnerability discovery, code review, exploit development, and security research. I am adept at delivering technical training and creating advanced security course content. My contributions to the field of cybersecurity have been recognized through multiple awards and top placements in national and international CTF competitions. Skills and Technologies Programming Languages & Frameworks: Java: Extensive experience with Java, Maven, Gradle, and Android development. Java-Spark Framework and SpringBoot: Proficient in building robust back-end services. Kotlin: Skilled in developing Android applications. JavaScript & TypeScript: Expertise in front-end and back-end development. Ruby: Experienced in Ruby on Rails for web development. Angular Framework: Proficient in building dynamic single-page applications. React & React Native: Skilled in developing responsive web and mobile applications. Scripting Languages: Proficient in PHP, Bash, and Python. Development Tools & Platforms: Heroku, Railway, Git, GitHub, GitHub Actions, and Jenkins: Experienced in continuous integration, deployment, and version control. Databases: Proficient in SQLite, MySQL, and PostgreSQL. API Development: Skilled in API development, documentation, and consumption. Other Experiences: Telegram Bots and WhatsApp Bots: Developed automated messaging solutions. Android Applications: Extensive experience in mobile app development. Algorithms and Data Structures: Strong foundation in computer science principles. Ruby On Rails: Developed Ruby-based full-stack web applications. Django: Developed full-stack Python-based web applications. Daraja API Integration: Integrated mobile money APIs for seamless transactions. Payment Gateways and Aggregators: Developed and consumed payment solutions. Web Scraping: Expertise in extracting data from websites. WordPress: Experience in website development and customization. Cybersecurity Expertise Zero-Day Vulnerability Researcher: Extensive experience in mobile and ARM-based device security. Proven track record in vulnerability discovery, exploit development, and security research. Adept at delivering technical training and creating advanced security course content. Recognized for excellence in cybersecurity through multiple awards and honors, including top placements in national and international CTF competitions. Awards & Honors Finalist, Defcon Red Team CTF 2nd Runners-up, Kenya National CyberSecurity CTF 2020 Winner in Mobile Security, Aspire CTF 2021 Finalist, Defcon 29 Red Team Village CTF HackerOne Ambassador, Nairobi Club Member 1st Place, USIU CTF Hackathon 2022
    Featured Skill Android App Development
    Mobile App Testing
    Research & Development
    Ruby
    Reverse Engineering
    JavaScript
    Java
    Python
    Android
    Flask
    Ruby on Rails
    React
    Django
    Penetration Testing
    Vulnerability Assessment
  • $37 hourly
    • 5.0/5
    • (3 jobs)
    I am Clinton, a software engineer with over 10 years of experience. I have an abundance of experience in AI, WhatsApp API, Twilio and PHP Programming. I have developed a number of successful applications and integrations utilizing the platforms. I have a strong background in mathematics and computer science, and have used these skills to develop a variety of applications. I have also worked on optimizing and debugging software systems, and have experience with a variety of programming languages. Some of my most recent projects include developing a successful integration between the Whatsapp API and GPT-3, and developing a Whatsapp-based customer support system for a major e-commerce company. I have also worked on projects for companies in a variety of industries, including healthcare, finance, and retail. I have also been involved in open source projects and have contributed to several popular libraries. I am an active member of the tech community, and I have presented at several conferences. I have been recognized by my peers for my outstanding technical abilities and I am regularly consulted by companies and organizations looking to implement AI, WhatsApp API, Twilio and PHP solutions. I am a frequent speaker at industry events, and am passionate about sharing my knowledge with others.
    Featured Skill Android App Development
    Angular
    Chatbot Development
    Vue.js
    API
    CodeIgniter
    Game Development
    Ecommerce Website Development
    PHP
    HTML5
  • $30 hourly
    • 5.0/5
    • (17 jobs)
    Software developer well conversant in Java, SQL, APIs, material design concepts, and Android development best practices. A keen eye for detail, minimizing the number of bugs. Strong planner and critical thinker who readily adapts to change, works independently and exceeds expectations. Able to work in teams and meet tight deadlines without compromising quality. Developed a mobile ERP application to keep track of prices, quotations, orders, clients, and suppliers for Sypsan Enterprises. The app is offline-first and data stored online on Google's Firestore database. Users can filter data and generate reports. It also has a calculator to calculate the cost of printing. Developed a food donation mobile app keeping track of food donations and requests, with Firebase Realtime Database as the backend. Developed a weather mobile application using the Netatmo weather API as the source of data. The application displays graphs of weather patterns, data that is stored on Google's Realtime database. Developed an app that brings mentors and mentees together. Users can sign up as either mentors or mentees. Google Africa Udacity Scholarship recipient, successfully completing Udacity Android nano-degree. Google Africa Scholarship 4 recipient, completing the Android Development courses on Pluralsight. Conversant with MIT App Inventor Expert in document conversion and form creation.
    Featured Skill Android App Development
    Mobile Advertising
    Mobile App Design
    Form Development
    Android SDK
    Mobile App Development
    Smartphone
    Android
    Android Studio
    Java
    Kotlin
  • $35 hourly
    • 0.0/5
    • (4 jobs)
    With close to 5 years of dedicated expertise, I've honed my craft as a C++ developer specializing in the dynamic realm of Audio DSP programming. At the heart of my skill set lies the mastery of the JUCE Framework, where I orchestrate transformative experiences by seamlessly integrating VST capabilities and delving deep into the intricacies of digital signal processing. Leveraging tools such as FFTW (Fastest Fourier Transform in the West), PortAudio for cross-platform audio I/O, and ASIO (Audio Stream Input/Output) for low-latency audio processing, I orchestrate immersive auditory experiences that captivate and inspire. Complementing my prowess in C++, I navigate the intricacies of CMAKE with finesse, orchestrating streamlined build processes to optimize development workflows. I will build Cross Platform Audio Applications for your organization . My toolkit extends further with Python scripting for automation, Git for version control, and Docker for containerization, enhancing efficiency and scalability across projects.
    Featured Skill Android App Development
    Unreal Engine
    Flutter
    Mobile App Development
    iOS Development
    CryEngine
    Android
    iOS
    Kotlin
    Swift
    Dart
    Unity
    C++
    C#
  • $35 hourly
    • 0.0/5
    • (0 jobs)
    A professional Flutter Developer with experience in the Software Development Industry focusing on Flutter, Flutter, Java, and Kotlin for Hybrid & Native App Development. 🧑‍💻I deliver projects with quality modules and well-written code for future application maintenance. Rest assured that the quality of service you get will be satisfactory. What I offer: - Android SDK, Java, Kotlin - Flutter, Dart - GraphQL, Rest APIs, SQL, SQLite, and MySQL - CI/CD, and Version Controls - Firebase - MVC - MVVM ✅ Yes, I do offer seasonal or feature updates against the clock. I got you. I build on long-term relationships so rest assured, you'll not have to hire new developers for every change you may need in the code base. I look forward to turning your ideas into reality together with you. 💪
    Featured Skill Android App Development
    REST API
    Hybrid App Development
    Flutter Stack
    iOS
    Firebase
    Figma
    Agile Software Development
    Dart
    Kotlin
    Java
    CI/CD
    GraphQL
    Flutter
  • $20 hourly
    • 5.0/5
    • (2 jobs)
    Hi there! I'm a skilled mobile and web developer with over 5 years of experience building responsive, user-friendly, and efficient applications. I specialize in mobile development, particularly in Java and Kotlin, and have a strong eye for UI/UX design, ensuring apps are not only functional but also visually appealing. On the web development side, I'm proficient in JavaScript, React, PHP, and have intermediate skills in Go. I've developed services that work seamlessly across both Android and web platforms, ensuring smooth integration and a consistent user experience. Throughout my journey, I've contributed to various projects that have helped me grow technically and professionally. I’m passionate about building high-quality solutions and always strive to deliver on time. If you're looking for a dedicated developer who can handle both mobile and web projects, feel free to reach out. I'd love to collaborate with you.
    Featured Skill Android App Development
    React
    JavaScript
    jQuery
    PHP
    Kotlin
    Java
    Java GUI
  • $15 hourly
    • 5.0/5
    • (4 jobs)
    I have 5 years experience in Android development. I will bring your app into reality within the shortest time possible. I have programmed very powerful android applications in the past and I am still working on many more amazing projects. I have excellent knowledge in the Java, Kotlin, Firebase and Sqlite Databases. I am ready to start your app idea at your request.
    Featured Skill Android App Development
    Android Studio
    Android App
    Google Play
    Google Ad Manager
    Google Ads
    Web Application
    Facebook Audience Network
    API Integration
    Kotlin
    Java
    SQLite
    Firebase
    Android
  • $10 hourly
    • 5.0/5
    • (8 jobs)
    I often describe myself as a QA tester. I love to test boundaries of softwares systems. I particularly love testing apps that are both in development or that require bug fixes.i have four years experience in QA Testing. I also possess other skills. I am a professional CV writer and Resume writer.I have helped various people write appealing CVs and Resumes which have secured them their desired jobs. My success rate is 90% in this field. I also do writing as a side hustle and I am particularly an expert in Ms Excel and Ms Word. I have 5 years experience in this field and I own a Wordpress site that I post some of my exemplary articles. I have 4 years experience in Transcription with knowledge in the Edited transcription,Verbatim transcription, Intelligent verbatim transcription and Phonetic transcription.
    Featured Skill Android App Development
    Resume Writing
    Web Testing
    Academic Writing
    Graphic Design
    Streaming Software
    Usability Testing
    Game Testing
    Video Editing
    Software QA
    Software Testing
    Cover Letter Writing
    Data Entry
    Transcription Timestamping
  • $10 hourly
    • 4.6/5
    • (5 jobs)
    Hello! I’m a versatile and dedicated Software Engineer specializing in both web and mobile development. With a proven track record of delivering high-quality projects, I thrive in environments that challenge my skills and allow me to grow. 🚀 My Expertise 🌐 Web Development: Proficient in React JS, CSS, Tailwind CSS, and Laravel. I have experience creating responsive and user-friendly interfaces, as well as robust back-end solutions hosted on AWS EC2 instances. 📱 Mobile Development:Skilled in Flutter, with the ability to create smooth, performant apps that consume RESTful APIs. I also have experience in native app development using Java and Kotlin. 🔧 DevOps(Still learning): Familiar with Jenkins, Kubernetes, and Terraform for deploying and managing cloud-based services, ensuring seamless integration and continuous deployment. -🛠️ Frameworks and Tools: Proficient with CodeIgniter,laravel ,react for developing and maintaining efficient, scalable applications. 📚 Continuous Learning: I continuously update my knowledge and skills, adapting to new frameworks and technologies to keep our applications modern and competitive. Notable Projects: BZABC: Developed a comprehensive learning platform for students using React JS, CSS, Tailwind CSS, and Laravel. Managed the backend services on AWS EC2 and integrated them with a Flutter mobile application.I also worked on the app version of bzabc in flutter which I am proficient in Bzabc PubTool: Worked extensively with CodeIgniter to maintain and enhance this tool, ensuring compatibility with new APIs and frameworks. What I Offer: ✅ Quality and Reliability: I am committed to delivering high-quality work that meets your requirements and exceeds expectations. 🤝 Collaboration: Strong communication skills and a team-oriented mindset to ensure smooth project execution. 💡 Innovation: I bring a proactive approach to problem-solving, always looking for innovative solutions to enhance project outcomes. Why Choose Me: 🏆 Experience: Solid experience in both web and mobile development, with a diverse skill set that allows me to tackle a wide range of projects. ❤️ Passion: A genuine passion for technology and a drive to continuously learn and improve. 🔒 Dependability: You can count on me to be reliable, professional, and dedicated to your project's success. Feel free to reach out if you’re looking for a dependable and skilled developer to bring your project to life! Let's create something amazing together. 🌟
    Featured Skill Android App Development
    REST API
    Kotlin
    Mobile App Development
    Web Design
    Flutter
    MySQL
    SQL
    Java
    JavaScript
    Python
    PHP
    HTML
    Django
    Spring Framework
  • $20 hourly
    • 5.0/5
    • (1 job)
    Hello!! Welcome to my profile! Who Am I? A versatile full-stack developer with a robust technical stack that includes Node.js, React, Angular, MySQL, and MongoDB. With a keen eye for design and functionality, I bring websites to life, from simple static web pages to complex e-commerce and e-learning platforms. Tech-Stack: I. Front-End:- React, Angular, JavaScript, jQuery. II. Databases:- MySQL, MongoDB. III. Back-End Development:- Node.js, Next.js, Express.js, API Development and Integration, RESTful Services, Authentication and Authorization, Data Encryption, Performance Optimization, Microservices Architecture, Database Management and Migrations, Caching Strategies, Server Management and Deployment. IV. Specialties: a) E-Commerce Solutions: Shopping Cart Integration, Payment Gateway Setup, Product Customization Tools, Product Catalog, Order Management Systems, Inventory Tracking, Customer Relationship Management (CRM), Secure Checkout Processes, Multi-Currency Support, Discount & Coupon Systems & User Review. b) Admin Features & Workflow Improvements (Panel Customization): User Role Management, Content Management, Systems (CMS), Dashboard Customization, Data Analytics Integration, Automated Reporting, Task Automation, Workflow Optimization, CRM Integration, Notification Systems, Performance Monitoring Tools, SEO Management Features, Security Enhancements, Plug-in/Extension Development. c) Online Payments, Directories & E-Learning Platforms. Why Choose Me? As a Senior Developer, my logical prowess is evident in the planning and execution of scalable, efficient solutions. When presented with a challenge, I don't just see lines of code; I see an intricate ecosystem where every decision has a ripple effect. I dissect complex problems methodically, ensuring that each solution interlocks precisely within the larger system. Your vision. My logical architecture. A partnership for progress..
    Featured Skill Android App Development
    Microsoft Office
    UX & UI Design
    Database Design
    Front-End Development
    Mobile App Design
    Web Development
  • $10 hourly
    • 5.0/5
    • (10 jobs)
    I’m a Kotlin developer who focuses on mobile development using Kotlin for both android and ios using KMP. I have 7 years of experience working as an Android developer with 1 year working with the KMM framework. Favorite tools & frameworks 1. Kotlin Multiplatform 2. Compose Multiplatform 3. MVVM architecture 3. Room database 4. Datastore preferences 5. Koin 6. JUnit 4 7. Compose UI testing 8. Ktor client 9. DynamoDB I mainly focus on writing consistent, readable code following clean code patterns following exactly what my clients requested to make sure that I deliver exactly what was requested to the best of my capabilities.
    Featured Skill Android App Development
    C++
    Apple Xcode
    iOS Development
    Swift
    SwiftUI
    Mobile App
    Android App
    Kotlin
    Android
    Mobile App Development
    Amazon DynamoDB
    Android Studio
    Native App Development
  • $25 hourly
    • 5.0/5
    • (4 jobs)
    Multifaceted Remote Specialist | Tech Support | Reddit Marketing | App Development I’m a skilled remote professional offering a versatile range of services, from IT troubleshooting and system optimization to Reddit marketing and app development. With a problem-solving mindset, a keen understanding of technology, and a strong background in community engagement, I help businesses and individuals achieve their goals efficiently and effectively. What I Offer Tech Support & System Optimization Diagnose and resolve hardware, software, and network issues remotely. Optimize system performance, including BIOS/UEFI and ACPI configurations. Configure peripherals and external displays for seamless operation. Provide guidance for advanced settings like memory tuning, graphics optimization, and power management. Reddit Marketing & Engagement Leverage a seasoned Reddit account with 40k+ karma for credibility and visibility. Identify relevant subreddits and craft posts that resonate with target audiences. Edit, promote, and follow up on content to maximize engagement and visibility. Offer tiered service packages (Starter, Growth, Impact) to suit various goals. Drive discussions, spark conversations, and provide analytics to optimize campaigns. Flutter App Development Support in developing and troubleshooting Flutter-based mobile applications. Assist in feature development and app customization. Ensure user-friendly interfaces and efficient performance. Virtual Assistance & Administrative Support Manage emails, calendars, and data entry tasks to streamline operations. Provide tech guidance for software setup and navigation. Assist with content formatting, social media scheduling, and light graphic editing. Why Work With Me? Versatility: I bring expertise across multiple fields, offering a one-stop solution for diverse needs. Tech-Savvy: Years of hands-on experience with IT systems, app development, and digital platforms. Community-Oriented: A deep understanding of platforms like Reddit ensures authentic and impactful engagement. Results-Driven: Focused on delivering measurable outcomes, whether it’s resolving a technical issue, boosting visibility, or completing a project on time. Reliable & Detail-Oriented: Committed to delivering quality work with a strong attention to detail and a proactive approach. Flexible Availability: Adaptable to different time zones and project schedules to ensure smooth collaboration. Who Can Benefit from My Services? Startups and small businesses looking for IT support, marketing, or app development assistance. Content creators aiming to expand their reach through platforms like Reddit. Individuals and teams needing a reliable remote assistant to handle day-to-day tasks. Entrepreneurs seeking expert support for system optimization or app development projects. How I Work Consultation: Understand your goals and requirements to design a tailored solution. Execution: Deliver high-quality work, whether it’s fixing systems, promoting content, or building apps. Follow-Up: Provide actionable insights and continued support for sustained success. Let’s collaborate to solve your challenges, enhance your systems, and bring your ideas to life. Whether you need technical expertise, creative content promotion, or reliable task management, I’m here to make it happen.
    Featured Skill Android App Development
    Virtual Assistance
    Data Entry
    Database
    Microsoft Office
    Microsoft Word
    Computer
    Microsoft Excel
    Mobile App
    C++
    Flutter
    Mobile App Development
    PHP
    JavaScript
    Microsoft Access
  • $15 hourly
    • 5.0/5
    • (6 jobs)
    I am a Flutter Software Developer (Mobile, Desktop, & Web) I'm experienced in every stage of app software development from analysis, design, coding, testing, uploading to AppStore/Play Store, and maintenance. Not only do I give attention to the logical flow of the application, but also achieve pixel-perfect UI and user-friendly UX. I always make suggestions for improvement to my clients where necessary. I am a quick, continual learner enthusiastic about learning new technologies. ⭐ SKILLS ⭐ ✅ State management with Provider, BloC, RiverPod, and GetX. ✅ Local database (SQLite, Hive, File, and Shared Preferences) ✅ Firebase, Supabase, MongoDB, GraphQL, MySQL ✅ Game Development (Flame Game) ✅ Google Admob Integration ✅ In-app purchases & Payment gateway integration (PayPal, MPesa, Stripe, etc) ✅ Social Media API Integration (Facebook, Instagram, Google+, Twitter, LinkedIn, etc.) ✅ Geo Location, GPS, Google Map API ✅ WebRTC, Twilio, MailChimp, Custom APIs, REST APIs & Background services. ⭐ WHY HIRE ME? ⭐ ✅ Over-delivering: I am a perfectionist. I strive to provide more than the client's expectations. ✅ Stay Updated with Fast response time and regular reports about progress 💪 I only take on projects I am certain I can hit the best. I am seeking opportunities for an end to end app development, maintenance, support, bug fixes, and project management. I have strong analytical and problem-solving skills with a high level of self-organization. Drop me a line if you believe I am a great fit for your next project. Cheers!
    Featured Skill Android App Development
    Flutter Stack
    Desktop Application
    Web Application
    Web Development
    Flutter
    API Integration
    Dart
    Mobile App Development
    Python
    Hybrid App Development
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    I am an esteemed senior developer who is ambitious and ready to attain the set goals. My short term goal is to create a portfolio that shows off my work and expand my professional network while my long term goal is work within a specific industry or sector.
    Featured Skill Android App Development
    Computer Engineering
    Web & Mobile Design Consultation
    Software
    Information Technology
  • $500 hourly
    • 0.0/5
    • (0 jobs)
    I’m a skilled Laravel developer with a strong focus on building responsive, secure, and user-friendly business websites. I specialize in creating clean, scalable solutions with modern technologies like Laravel, Blade, MySQL, and Bootstrap. I’ve successfully delivered custom web platforms that include admin dashboards, user authentication, contact forms, and more—always optimized for mobile and SEO. With a background in full-stack development, I bring both technical expertise and clear communication to every project.
    Featured Skill Android App Development
    Application
    RESTful API
    XAMPP Stack
    Desktop Application
    Graphic Design
    Adobe Photoshop
    CorelDRAW
    Website
    Mobile App
    Xamarin
    Firebase
    Java
    Kotlin
    iOS Development
  • $40 hourly
    • 1.2/5
    • (3 jobs)
    I'm an enthusiast software engineer who constantly seeks out innovative solutions to everyday problems. Over the years, I've honed my analytical thinking and collaboration skills, and I love working with a team. I've already contributed to over a dozen projects with a great success I’m looking for a deep learning engineer role, and I’m available immediately.
    Featured Skill Android App Development
    Flutter
    Android UI Design
    Software Development
    Front-End Development
    Back-End Development
    Django
    Clean Architecture
    JetPack
    Java
    Firebase
    Android Studio
    Python
    JavaScript
    Kotlin
  • $25 hourly
    • 5.0/5
    • (2 jobs)
    I am a methodical application developer adept at interpreting technical requirements and specifications to deliver high quality computer systems. Proactive communicator with a collaborative nature and a proven history of resourceful problem-solving. Proficient in design, development, and testing, I possess extensive experience in programming and algorithms, backed by 10+ years of professional expertise in developing software systems. I have successfully managed various projects for small and medium-sized companies, motivating my interest in contributing to the success of your organization. Holding a B.Sc. in Information Technology and an MSc in Software Engineering.
    Featured Skill Android App Development
    API
    Docker
    GraphQL
    MySQL
    MongoDB
    TypeScript
    JavaScript
    Kotlin
    Python
    Laravel
    PHP
    Vue.js
    React
    Java
  • $5 hourly
    • 5.0/5
    • (5 jobs)
    I am a motivated, resourceful, and dedicated professional committed to making a positive impact and helping organizations achieve success. With expertise in Mobile App Development, Android SDK, and Web Development, I specialize in creating user-friendly, high-performance applications tailored to client needs. Additionally, I have 4 years of experience as a Call Center Agent and in data entry, which has honed my communication, customer service, and problem-solving skills. This combination of technical and service-oriented abilities enables me to deliver solutions that enhance both functionality and user experience. Key Highlights: 1. Expertise in Mobile App Development, Android SDK, and Web Development 2. Experience in callcenter operations and data entry 3. Advanced customer service skills 4. Strong communication and problem-solving abilities 5. Available to start work immediately
    Featured Skill Android App Development
    Poster Design
    Logo Design
    Web Design
    Firebase
    Java
    Problem Solving
    General Transcription
    Data Entry
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