I'm a Full Stack Developer with expertise in the MERN Stack, native iOS (Swift), and Android (Kotlin/Java), building scalable web and mobile applications for startups, SMEs, and enterprise organizations. Whether you need a business website, SaaS platform, e-commerce solution, enterprise application, or mobile app, I can deliver end-to-end solutions. Skilled in Mysql, Express.js, React.js, Node.js, Swift, Kotlin, Java, RESTful APIs, cloud deployment, and modern AI-assisted development tools including GitHub Copilot, Codex, ChatGPT, Claude, and Gemini. I manage projects from requirements gathering and system architecture through development, testing, deployment, and ongoing maintenance. Clear, regular communication and delivering high-quality, reliable software are central to how I work.

I bring over 15 years of experience as a Tech Lead and Full Stack Developer, specializing in creating scalable digital products that users love. My expertise spans from transforming complex technical challenges into seamless solutions to implementing innovative AI features and building groundbreaking applications from the ground up. I excel in leading development teams and driving projects that require a deep understanding of both front-end and back-end technologies. Whether you need to scale your application to accommodate millions of users or develop a new product that stands out in the market, I deliver results with clarity and precision. Let’s connect to discuss how I can turn your vision into reality and help your business thrive.

Dedicated Application Developer with 5+ years of experience in full-stack web and mobile app development. Skilled in React, Node.js, Python, and AWS. Experienced in creating efficient, secure, and scalable software applications

Experienced Full Stack Web Developer As a seasoned Full Stack Web Developer with over 8 years of experience and a Master's degree in Computer Applications (M.C.A.), I specialize in crafting innovative web solutions that drive business success. Service Description: --------------------------------------------------------------------------------------------------------------------- · Front-end Expertise: Crafting captivating and responsive user interfaces using Angular, with proficiency in Angular Universal (SSR) for enhanced SEO and performance. · Efficient Back-end Solutions: Designing resilient architectures using Firebase, Node.js, Nest.js/Express.js, MongoDB, and SQL databases. Utilizing Redis for high-performance caching. · Advanced State Management: Implementing robust solutions with NGRX and leveraging RxJS for dynamic user experiences. · Dynamic SPAs & PWAs: Architecting scalable SPAs with Angular and developing PWAs for immersive offline experiences. · Cloud Deployment & Hosting: Proficient in deploying on AWS, Heroku, and Firebase Hosting, optimizing for cost-effectiveness and performance. · Version Control & Collaboration: Skilled in Git/GitHub and VSVC (Azure DevOps) for efficient collaboration. --------------------------------------------------------------------------------------------------------------------- With a passion for technological advancements and a commitment to delivering results-driven solutions, I am ready to tackle your most challenging web development projects. Let's collaborate to bring your ideas to life!

I am Karter Leroy, a web and app developer. I have had numerous projects on the App Store and done too many web projects to keep track of. Websites, web apps, mobile apps, ERPs, online stores, anything you want, I can do it.

I build production-grade cross-platform mobile apps and scalable web platforms — from MVP to enterprise. Clients hire me when they need someone who can own a feature end-to-end: mobile, backend, database, tests, and deployment. Mobile (iOS + Android): React Native, Expo, Ionic — full app store deployment, push notifications, offline-first, native modules. Frontend: Angular, React, TypeScript, Apollo Client, responsive UIs, component architecture that scales. Backend & APIs: Node.js, Supabase, Hasura, PostgreSQL, GraphQL, REST — real-time APIs, row-level security, auth flows, SQL performance tuning. Testing & Quality: Playwright (E2E), integration + unit tests, CI pipelines. I don’t ship code I can’t trust. DevOps: Docker, AWS, self-hosted VPS, TLS/certificates, CI/CD. Also experienced with: Java, Spring Boot, MySQL. I’ve worked inside large enterprise codebases where every change ripples through dozens of modules, and I’m equally comfortable greenfielding a product from zero. I understand what it takes to run a product, not just close tickets. Clear communication. Realistic estimates. Code you can hand to the next developer without shame. Available for long-term contracts or scoped projects. Tell me what you’re building.

With over 15 years in web development, I bring a wealth of experience and a passion for creating robust, efficient, and user-friendly web solutions. My expertise spans the entire web development stack, with a focus on PHP and JavaScript technologies. Why Choose Me? I'm not just a coder; I'm a problem solver and a strategic thinker. With my extensive experience across various industries and technologies, I can quickly understand your business needs and deliver solutions that not only meet but exceed your expectations. My commitment to clear communication and timely delivery ensures a smooth and productive collaboration throughout your project. Ready to bring your web development project to life? Let's connect and discuss how I can help turn your vision into reality. What Sets Me Apart =========================== Versatility: Proficient in multiple languages and frameworks, allowing for tailored solutions to meet specific project needs. Problem-Solving: Skilled at developing custom solutions for complex business requirements. User-Centric Approach: Focus on creating intuitive and engaging user experiences. Strong Communication: Excellent at collaborating with clients and team members to ensure project success. Continuous Learning: Always staying updated with the latest web technologies and best practices. Core Skills =========================== Languages: PHP, JavaScript, Node.js, Python, Ruby Frameworks: Laravel, Symfony, Vue.js, React, Angular Full-Stack Development: Front-end, back-end, and database development E-commerce Solutions: WooCommerce, custom implementations CMS: WordPress, custom CMS development Mobile App Development: Ionic framework, Android, iOS API Development: RESTful APIs, Laravel Database: MySQL, PostgreSQL DevOps: Docker, CI/CD, Git Cloud Platforms: AWS, DigitalOcean, Vercel Featured Projects =========================== Ollie's Bargain Outlet Mobile App - Led the development of Android and iOS apps for a major retail chain with 500+ stores. - Built using Angular and Ionic framework, focusing on loyalty program management and location-based services. - Managed a team of developers and designers, ensuring high-quality implementation and stakeholder satisfaction. Yuengling Brewery Website and B2B Portal - Spearheaded multiple redesigns of America's oldest brewery's consumer-facing website and internal B2B portal. - Transitioned from a custom e-commerce solution to a WordPress-based system while maintaining custom functionalities. - Developed a complex wholesaler business management system with data input, calculations, and reporting features. FunBookShelf - Book Publishing and Reading Platform - Engineered a full-stack solution using Laravel REST API, Filament admin area, and Next.js/React frontend. - Implemented Stripe-based subscription service and innovative SVG-based copy protection for book content. - Deployed using Docker and GitHub CI/CD on DigitalOcean, with frontend hosting on Vercel.

I'm a software development consultant facilitating Startups and Entrepreneurs to develop and publish their own web and mobile applications. My devteam helps with building MVPs as well as polishing existing projects to elevate them to the next level 🚀 Business apps Mobile games Web apps Web3 Where I can help you: project estimation gameplay programming (core and features) tools design architecture performance optimization third-party integrations (social networks, ads, analytics, monetization, etc) store uploading 🧩Merge2, Trivia, Sports, AR games, Clickers, Card games, Match-3, Racing, Casino, Slot games, Arcades, Casual, Hypercasual, Simulations, Quizzes, Music Quizzes, Word games, City-builders, Turn-based Multi-Players, Solitaire, Connect Tiles

Programming is both my hobby and my job, so I enjoy working on challenging projects. For the past 7 years I've been working as a software developer growing my skills increasingly. I've got plenty of experience in different fields and technologies. My key skills are: - JavaScript (browser based web app, server-side with NodeJS) - Native iOS apps - Browser extensions for Chrome, Firefox, Safari, Internet Explorer and EDGE - Amazon Web Services (EC2, Lambda) Also I have strong knowledges in: C++, network and socket programming (VPN, Proxy), multi-threading, WinAPI.

I am a highly skilled and motivated software developer with over 8 years of professional experience in building innovative mobile applications and intelligent AI-driven solutions. I hold a Master of Applied Computing degree with a specialization in Artificial Intelligence, completed three years ago, which has significantly enriched my expertise in advanced machine learning, natural language processing, and data science. Throughout my career, I have successfully designed, developed, tested, and deployed more than 40 applications and AI models, delivering robust, scalable, and user-centric solutions across multiple industries. My unique blend of creativity and technical proficiency allows me to approach problems holistically—combining logical rigor with innovative thinking to craft solutions that not only meet but exceed client expectations. I excel in collaborating with cross-functional teams and communicating complex technical concepts clearly to stakeholders, ensuring alignment with business goals and driving project success. Whether you need a high-performance mobile app with modern UI/UX or an AI-powered system that unlocks actionable insights from complex data, I bring dedication, adaptability, and deep technical knowledge to every project. Technical Skill Highlights Programming Languages: Python, R, C, C++, Java, Kotlin, Dart, Swift, PHP Databases & Storage: MySQL, Firebase Realtime Database, Firestore, MongoDB, Oracle DB, Microsoft SQL Server Development Tools: Android Studio, Xcode, Visual Studio Code, PyCharm, RStudio, Git, LaTeX, Microsoft Office Cloud Platforms: AWS, Azure, Google Cloud Platform, IBM Cloud, Firebase Cloud Machine Learning & AI Libraries: TensorFlow, PyTorch, Keras, Scikit-learn, Pandas, NumPy, Matplotlib Project & Version Control: GitHub, GitLab, BitBucket, JIRA, Trello, Slack, Confluence