I am an expert Mobile app developer both with iOS and Android platforms. I have a master degree in computer system engineering and I am used to work on high performance and high scalability projects. I'm also a UX/UI designer and Animation expert. Over the last 7 years I’ve worked on more than 30 native iOS apps including client, in-house and own App Store apps. If you are looking for a highly skilled iOS & Android development expert with depth of knowledge, professional attitude, excellent communication and the highest code quality, I am the person you are looking for. My experience in - Native iOS(iPhone, iPad, iPod)/Android app development - Swift/Objective-C/Java - Social Networking, Messenger, Live-time Chatting/News Feeds - Dating, Photo/Video Filtering/Editing/Commenting/Sharing - Geo-location, GPS integration, Map Control - Ecommerce/Shopping/In-app Purchase/Ads Marketing - Food (Restaurant Menu/Recipe/Order/Delivery) - Health/Fitness(Health Tracking, Barber/Nails Salon etc.) - Booking Appointments ; Drivers/Taxi, Car rental, Hotel Rooms Reservation etc - Mobile Games - 2D & 3D (Educational Kids Game, Fun/Puzzle, Cards Game, Casino, Bingo Slots etc.) I'm passionate about quality and maintainability when it comes to code and application architecture. Thanks! Martin

Senior Android Engineer | Kotlin & Java Expert | Mobile App Architect With 8+ years of experience in Android development, I specialize in building high-performance, scalable mobile applications for global clients—from logistics giants like Saudi Airlines to financial institutions like Qatar National Bank. 🔹 What I Deliver: End-to-end Android solutions: Architecture design (MVVM), development, testing, and deployment. Cutting-edge tech: Expertise in Kotlin, Java, Dagger Hilt, Retrofit, Jetpack Components, and biometric integrations (face recognition, fingerprint). Proven impact: Led the UI/UX overhaul of SAEE Logistics apps (used across Saudi Arabia) and engineered secure banking kiosk apps with real-time syncing. 🔹 Why Work With Me? Full-cycle collaboration: I partner with product, design, and backend teams to ensure seamless delivery. Code-first mindset: Prioritize clean, maintainable code with unit tests (SonarQube) and modern best practices. Industry versatility: Built apps for aviation, finance, government, and religious sectors—adapting to unique user needs. Let’s turn your idea into a polished, high-impact app!

Let me help with your fullstack software development problems. “Chuka is a great developer!... he is excellent at what he does, and it was a pleasure to work with him! HIGHLY RECOMMENDED! Hire him if you see him applying for your job post.” Hi, I’m Chuka and I’m an experienced software engineer. I can help you: ✅Translate your UI designs/wireframes into clean code with attention to every detail; ✅Code up responsive, Google-friendly websites; ✅Solve all your database management and server problems; ✅Build specific web apps for your company; ✅Review and reformat your current code; ✅Deploy your web servers; ✅Etc. Technical Skills Web Languages: HTML/HTML5, CSS/CSS3, JavaScript, TypeScript. Frontend: React.js, React Native, Next.js, Gatsby, Framework7, Redux, MobX, Three.js, JointJS Sass/SCSS, Styled-Components, TailwindCSS, Material-UI, BootStrap, JQuery. Tooling/Build tools: Expo, Babel, Webpack, Gulp, ESLint BackEnd: NodeJS, Fastify, ExpressJS, Winston, Swagger (OpenAPI). Database: MongoDB, PostgreSQL ORM/ODM: Mongoose, Sequelize CI/CD: GCP, CircleCi, GitHub Actions, Heroku. Testing/Automation: Cypress, Jest, Puppeteer, Mocha, Chai, React-testing-library, Enzyme. Version Control: Git, GitHub, BitBucket, GitLab Others: NPM, yarn, WebSockets (Socket.io), JFrog, Wireframing, Prototyping, Manual Testing. DON'T BE PUT OFF if I haven’t listed your technology here. I have 5+ years of paid professional experience, so I quickly pick up any 'new' technology needed to get the job done. If you’re looking for a developer that knows his stuff and can guide you when needed, consider hiring me. My rates are not high now. And if everything looks good to you and you'd like to have a chat, why not send a message now or invite me to take a look at your job post? I prefer long-term contracts but I can’t say no to interesting gigs.

👋 Welcome to my profile! I’m a DevOps Engineer with 10+ years of experience helping businesses build and scale their infrastructure. From implementing Kubernetes-based architectures to optimizing CI/CD pipelines, I specialize in delivering solutions that save time, reduce costs, and drive efficiency. 🚀 Here’s how I can help your business: • Design and deploy scalable Kubernetes environments. • Automate CI/CD processes for faster, reliable software delivery. • Enhance system monitoring and resource management to reduce costs. • Ensure compliance with SOC2/PCI requirements through automation. • Optimize infrastructure to save hundreds of thousands annually. 💼 Highlights from my work: • Deployed VictoriaMetrics, saving $750K/year in monitoring costs. • Integrated Karpenter to improve resource allocation dynamically. • Automated security controls, ensuring audit readiness. I am a problem solver and a team player, ready to tackle challenges and deliver high-impact solutions tailored to your business needs. Let’s bring your project to the next level! • “Feel free to reach out for a consultation—I’d love to help you achieve your goals!” • “Let’s discuss your project and see how I can help!”

Core Competencies: * 6+ years of Android app development experience (Android, Kotlin, Java, XML, Jetpack) * 4+ years of Flutter app development experience (Flutter, Dart) * 2+ years of FlutterFlow app development experience (FlutterFlow, Custom Code, Actions, Widgets) * Team leadership with expertise across multiple technologies * Customer-focused approach with 24/7 support availability * AI training, Prompt Engineering, Data Annotation

CARRER OBJECTIVE Software Developer with 40+ years of experience, passionate for computer programming, always seeking new challenges, solid problem solving experience and systems analysis, development specialist in .NET using the C # language, Android with JAVA and experience with team management. SUMMARY OF QUALIFICATIONS Languages: • C# - Advanced level. Working since 2003 • Java / JavaScript • C++ - Good knowledge Platforms: • /Net Core, .Net Framework, .Net Compact Framework • ASP.NET / ASP.NET MVC / Web API • Raspberry PI with Linux using .Net Core, single file/no dependencies • Entity Framework, Hibernate, NHibernate • SQL / MySQL / NoSQL • Microsoft Visual Studio • IntelliJ • LabView Basic I and II, Labview RealTime, LabView FPGA

Full Stack Developer Profile Analytical, technically astute professional with extensive experience managing IT services, developing various websites, and serving as application architect. Proven track record of developing applications by utilizing JavaScript, jQuery, Node.js, Angular, Angular.js, React.js, Vue.js, Redux, NgRx, Next.js, Nest.js, ExpressJS, Sequelize.js, TypeORM, Mongodb, Pubnub, Socket.io, SignalR, HTML5, CSS3, ASP.Net MVC, .Net, C#, SQL and NoSql databases. Adept at analyzing, designing, developing, maintaining, and implementing enterprise, web, and client-server applications. Demonstrated success in managing and leading various projects from inception to completion within defined scope, quality, and timeline. Instrumental in collaborating in research activities and coding of Artificial Intelligence and decision making. Equipped with strong interpersonal, communication, problem-solving, and team leadership skills.

Senior Frontend Engineer with over 12 years of experience in creating scalable, high-performance web applications. For the past 4 years, I have specialized in React, React Native, Next.js, and Node.js, focusing on UI architecture and performance optimization. My expertise includes component-driven development and accessibility best practices. I have successfully led frontend initiatives and collaborated with cross-functional teams to elevate engineering standards. My experience working with U.S.-based companies has equipped me with a strong understanding of user-centered product development. I prioritize clean code and reliable systems to ensure the best outcomes for my clients. If you’re seeking a knowledgeable engineer who can bring your digital vision to life, let’s connect and discuss how I can contribute to your project.

I'm a Senior Frontend Engineer with 5+ years of experience building fast, scalable web applications for fintech, construction tech, and e-commerce platforms. Whether you need a new web app built from scratch, a legacy system modernized, or a performance bottleneck fixed, I can help. - Experienced in React, TypeScript, Angular, Next.js, Remix, and Node.js - Skilled in micro-frontend architecture, system design, and performance optimization - Delivered measurable results - Full project ownership from requirements to deployment - Clear and consistent communication throughout the project

Product Engineer (Zero-to-One) | Full-Stack Dev | AI + Automation Expert I specialize in taking products or features from concept to revenue. With 10+ years of full-stack experience, I bring deep empathy for users, comfort with uncertainty, and a bias toward action. AI Agents, Model Context Protocol, React, Node, MySQL, MongoDb, AWS