lendon1114

● Led the design and development of high-performance, scalable frontend applications using React, Next.js, and TypeScript, delivering modern, responsive UIs across multiple platforms. ● Architected and implemented state management systems using Redux Toolkit, significantly simplifying complex logic and improving maintainability. ● Headed the migration of a large-scale legacy codebase from React 16 to React 17, introducing performance upgrades, hooks, and improved architectural patterns. ● Integrated Web3 features across decentralized platforms by connecting smart contracts and wallet providers within the frontend, ensuring smooth user interactions with blockchain layers. ● Developed and maintained cross-platform mobile apps using React Native, seamlessly integrating native iOS/Android modules and blockchain wallets. ● Collaborated closely with backend and smart contract teams to design GraphQL APIs and optimize frontend-side data consumption, improving load time and UX consistency. ● Delivered real-time synchronization features with WebSockets and GraphQL subscriptions, used in dashboards and analytics interfaces. ● Created and maintained a custom reusable component library, ensuring consistent UI/UX across multiple products and speeding up development cycles. ● Integrated cloud services such as AWS EC2, S3, and CloudFront to support scalable frontend deployments and secure asset delivery. ● Acted as a technical lead in agile teams, overseeing sprint planning, mentoring junior developers, reviewing code, and enforcing modern development standards. ● Worked cross-functionally with product and design teams to ensure frontend implementations met both business goals and user expectations.

● Led the frontend architecture and development of a smart pricing recommendation platform used by major retail and eCommerce clients, delivering responsive, high-performance user interfaces that improved customer decision-making. ● Designed and implemented the company's design system library from the ground up using Figma, CSS, and React, standardizing UI/UX across multiple products and drastically reducing design inconsistencies. ● Built fully integrated frontend components that communicated with both traditional RESTful APIs and GraphQL, ensuring seamless interaction with real-time pricing data and backend systems. ● Implemented secure Web3-ready UIs, allowing for future integration with decentralized identity and payment modules, with scalable architecture for blockchain plugin features. ● Optimized performance-critical components using profiling tools and React memoization patterns, eliminating unnecessary re-renders and ensuring smooth UX even under heavy data loads. ● Developed and deployed cross-platform mobile applications with Xamarin.Forms, enabling real-time GPS monitoring, task updates, and incident reporting for field personnel. ● Orchestrated backend logic integration using AWS Lambda and Google Cloud Functions, ensuring smooth real-time data pipelines and high-availability APIs. ● Enhanced observability and DevOps collaboration by customizing Docker images to expose host-level disk metrics, supporting Prometheus-based infrastructure monitoring. ● Supported CI/CD pipelines in collaboration with DevOps, ensuring fast, reliable, and secure deployments across staging and production environments. ● Actively contributed in agile development ceremonies, including sprint planning, code reviews, and retrospectives, helping deliver features on time and maintaining high code quality standards.

● Spearheaded development of a white-labeled search engine frontend, enabling fully dynamic theming, branding, and client-specific content curation, built with modular React components. ● Led design and implementation of a custom UX/UI system for a complete waste management logistics platform, including real-time dispatch, shift tracking, and resource scheduling—ensuring user-friendly workflows and responsive design across devices. ● Created a powerful custom tagging and geolocation tool leveraging Yahoo!'s GeoPlanet API, improving content categorization and destination-based recommendations. ● Developed and integrated a custom search algorithm using Elasticsearch, dramatically enhancing query relevance and user satisfaction for a tour discovery platform. ● Built seamless frontend-to-backend integrations with AWS services including Lambda, SQS, and Firehose, optimizing data flow and ensuring high reliability in a distributed architecture. ● Designed infrastructure-as-code templates using Terraform to provision and manage multi-cloud environments across AWS and Azure, improving deployment consistency and reducing setup times. ● Actively contributed to a distributed Agile team, engaging in daily standups, sprint planning, reviews, and retrospectives to deliver new features in time-sensitive environments. ● Played a key role in designing and building a scheduling system for oil logistics, integrating backend APIs and frontend workflows for seamless planning and execution. ● Mentored non-technical teams through an internal HTML & CSS workshop, improving collaboration and enabling better communication between sales, marketing, and development teams. ● Worked across a layered architecture with multiple database schemas (PostgreSQL, MySQL), ensuring clean data separation, optimized querying, and scalable system design.

● Designed and implemented a custom search algorithm using Elasticsearch, enabling fast, dynamic indexing and filtering of tours based on user preferences, geolocation, and metadata. ● Developed a white-labeled search engine frontend built with modular, scalable components—supporting dynamic theming, branding, and content injection tailored to client configurations. ● Integrated and normalized third-party supplier data, transforming inconsistent formats into unified datasets to provide a seamless and consistent frontend search experience. ● Engineered and maintained frontend-backend integration for a complex scheduling and logistics system for oil transport—supporting real-time planning, dispatching, and completion workflows. ● Built scalable and maintainable UI components using modern JavaScript (ES6+) and React, working across a layered full-stack architecture. ● Monitored and troubleshooted AWS Lambda functions, implementing security best practices to improve serverless backend reliability and protect sensitive operations. ● Delivered a 1-day internal HTML & CSS workshop for sales and marketing teams, improving cross-department communication and web literacy. ● Collaborated closely with UX designers and project stakeholders to deliver responsive, accessible, and visually appealing interfaces that aligned with both technical and business goals. ● Actively participated in Agile sprint ceremonies, ensuring well-documented, testable, and timely delivery of project milestones.