Cornelius Mbouopda

Built a comprehensive TCF (Test de Connaissance du Français) preparation platform across web and mobile(already deployed on appStore and playStore), integrating advanced AI tutoring and scalable cloud infrastructure. AI & ML: Integrated Claude AI, AWS Bedrock, Amazon Nova Pro, ElevenLabs, and Google TTS for intelligent tutoring, speech analysis, and safe educational content. Designed agentic workflows with AWS Step Functions and real-time AI response streaming. Frontend & Mobile: Developed a cross-platform React Native app (Expo) for iOS, Android, and web (PWA). Implemented exam models with real-time timers, swipe navigation, animations, push notifications, and native integrations (camera, audio, haptics). Backend & Cloud: Built 20+ Lambda functions, DynamoDB models, AppSync GraphQL APIs, and S3 pipelines using AWS CDK (Infrastructure as Code). Implemented a unified Lambda resolver pattern, serverless architecture, and scalable LMS with 20+ courses and 200+ lessons. Data & Analytics: Designed progress tracking, learning analytics, and automated exam content validation. Managed 600+ audio/multimedia resources with custom FFmpeg pipelines. Security & DevOps: Deployed with Cognito auth, JWT/HMAC validation, CORS, rate limiting, and PII protection. Automated CI/CD with CDK, structured logging, monitoring, and 20+ dev utility scripts. https://play.google.com/store/apps/details?id=com.abtcfcanada.app Key Tech: React Native, Expo, TypeScript, GraphQL, Apollo Client, AWS Lambda, DynamoDB, AppSync, Step Functions, S3, Bedrock, Claude AI, CloudFormation, CloudFront, Route 53, Jest, ESLint, NestJS.

• Led end-to-end development of a high-performance, SEO-optimized Real Estate SaaS web platform, transforming complex Figma designs into responsive React components. Integrated Stripe for seamless payments and PriceHubble API for enriched real estate data. • Optimized state management with Zustand, React Query, and React Context for scalability and smooth pagination of large datasets. • Architected the project stack and structure, ensuring maintainability, high performance, and rapid development cycles. • Conducted CI/CD automation using GitHub Actions and Azure DevOps, streamlining deployments. • Migrated multiple React bundles into a unified Vite React bundle, refactored code, updated libraries, and ensured reusable, clean components. • Implemented unit tests with Vitest and React Testing Library, improving code reliability. • Integrated Google Maps for real-time driver tracking and developed a variant system to support multiple client configurations. • Collaborated closely with UI/UX designers and cross-functional teams to deliver pixel-perfect, user-friendly interfaces.

• Led the migration to a unified Vite React bundle, updating libraries, refactoring codebases, and ensuring modern, maintainable React architecture. • Enhanced performance and state management using Redux Toolkit and React Context, improving scalability and responsiveness. • Implemented unit testing with Vitest and React Testing Library, reducing regressions and strengthening overall code reliability. • Migrated from MUI v4 to MUI v5, ensuring design consistency and alignment with the latest UI standards. • Collaborated with UI/UX teams to integrate responsive, user-centric designs that elevated the platform’s usability. • Built a variant system to support multi-client configurations, leveraging dynamic imports for optimized performance. • Integrated Google Maps for real-time driver route tracking, enhancing logistical visibility. • Managed CI/CD pipelines on Azure DevOps, streamlining deployment and improving delivery efficiency. • Maintained and evolved private npm libraries, adding new functionalities and ensuring stable releases. • Actively resolved production-critical issues across frontend and backend, demonstrating full-stack adaptability and ownership

• Collaborated with designers and backend engineers to align UI with document parsing workflows. • Maintained and enhanced core UI components (document viewer, data fields, file upload, live interface) for an OCR-driven automation tool. • Debugged and optimized frontend performance, improving load times and stability for large or image-heavy PDFs. • Wrote clean, reusable, and testable code, participating in code reviews to ensure maintainability and quality. • Led the migration from MUI to Tailwind CSS and shadcn/ui, modernizing the component library and improving design consistency. • Contributed to Platform v2 as a fullstack developer, building with Lovable, Supabase (backend), and Stripe for subscription management.

Led major updates to improve performance, stability, and user experience, aligning the app with modern design standards. • Architected and implemented new features to boost engagement, with dedicated staging and production environments for smooth rollouts. • Optimized load times and responsiveness, achieving a faster, more reliable cross-platform experience. • Built automated testing and CI/CD pipelines, enabling rapid, high-quality releases. • Enhanced security and data protection, ensuring compliance with best practices. • Integrated performance analytics to drive data-based improvements. • Mentored junior developers, conducted code reviews, and maintained clear documentation for consistent team growth.

At Linkinnov, I led the development of a real-time messaging platform using React, Socket.io, and Node.js, ensuring seamless communication across devices. I also developed the mobile app with LinkedIn API integration, deep/universal linking, and push notifications, enhancing user engagement. • Built and deployed a subscription module with Stripe, enabling smooth payment and user management flows. • Delivered an interactive Next.js landing page and implemented core features like authentication, real-time chat, notifications, and advanced search. • Designed dynamic multi-step forms with Formik and Yup, and optimized ad and post-sharing modules integrated with social networks. • Followed TDD (Jest, RTL) and code review practices to ensure performance, maintainability, and reliability. • Managed end-to-end deployment on the App Store and Google Play, performing comprehensive testing with TestFlight and APKs.

• Built high-performance mobile apps with React Native & TypeScript, integrating geolocation, push notifications, chat, and ensuring cross-platform compatibility (iOS/Android). • Developed scalable web applications with ReactJS, TailwindCSS, and Storybook, translating designs into responsive, user-friendly interfaces. • Implemented Test-Driven Development (TDD) with Jest and Enzyme, ensuring reliable, maintainable code. • Optimized state management using Redux, Redux Toolkit, and React Context, including custom middleware for secure API requests and CRUD operations. • Created RESTful APIs with Node.js, TypeScript, AWS Lambda, and PostgreSQL, supporting seamless backend integration. • Streamlined app deployment across TestFlight, Google Play, and App Center, including Android beta channels and production APKs. • Developed interactive data visualizations with ApexCharts, providing actionable insights for users. • Collaborated with UI/UX designers and cross-functional teams in Agile environments, improving performance, scalability, and user experience.

• Developed and maintained responsive web (React, TypeScript) and mobile (React Native) applications, converting high-fidelity Figma and Adobe XD designs into pixel-perfect UIs. • Implemented MobX and React Context for efficient state management across complex applications, improving performance and reducing code duplication. • Built scalable backend services with Node.js and Express, handling authentication, CRUD operations, file uploads, and third-party integrations with MS SQL databases. • Designed reusable component libraries (Accordions, Dropdowns, Carousels) to ensure UI consistency across projects. • Optimized application performance using lazy loading, memoization, and code-splitting for faster load times and smoother UX. • Conducted code reviews, mentored junior developers, and promoted best practices in Agile environments using Git and Jira. • Developed a PHP scraper to automate book retrieval for an internal company app.