marcdrew0218

● Engineered a high-performance React SaaS platform, boosting UI load speed by 40% and reducing FCP by 45% through code-splitting, lazy loading, and optimized React hooks. ● Revamped RESTful and GraphQL APIs with Node.js and Ruby on Rails, reducing latency by 50% via query batching, pagination, and caching. ● Integrated WebSocket for real-time updates, increasing user engagement by 30% through live interactions and updates. ● Refined PostgreSQL and MongoDB schemas, cutting query execution time by 35% and enhancing database performance. ● Deployed OAuth2.0 and JWT authentication with API rate limiting, fortifying security and minimizing unauthorized access. ● Automated CI/CD pipelines with GitHub Actions and Jenkins, reducing deployment times by 60% and improving release efficiency. ● Achieved 95% test coverage with Jest, Cypress, and Mocha, ensuring code quality and system stability. ● Orchestrated scalable AWS infrastructure with Docker and Kubernetes, maintaining 99.9% uptime through automated scaling and load balancing. ● Mentored 5 junior developers, boosting team productivity by 25% and accelerating delivery time by 20% through best practices in React and Ruby on Rails.

● Developed a scalable Next.js and React-based SaaS platform, increasing enterprise adoption by 40% through performance optimizations and superior UX. ● Migrated to microservices using Nest.js and Ruby on Rails, enhancing scalability by 40% and improving deployment efficiency by 30%. ● Leveraged Redis caching and WebSocket for real-time stock tracking, slashing query response time by 50% and reducing server load by 25%. ● Streamlined cloud infrastructure automation on AWS and Azure using Terraform, increasing deployment consistency by 35% and enabling more efficient environment scaling. ● Integrated Prometheus, Grafana, and New Relic for real-time monitoring, optimizing system performance and reducing downtime by 20%. ● Streamlined Kubernetes resource allocation, cutting cloud infrastructure costs by 20% while maintaining performance.

● Built event-driven microservices with Node.js and Express.js, increasing system reliability by 30% and enhancing fault tolerance during peak loads. ● Migrated infrastructure to GCP and Azure, optimizing resources and cutting operational costs by 25%. ● Enhanced frontend performance by 50% using code splitting, lazy loading, and tree shaking. ● Sustained 98% test coverage with Cypress, Jest, and Enzyme, identifying and resolving issues to maintain consistent code quality and performance. ● Implemented RBAC and OAuth for secure access control and user data protection, reducing unauthorized access by 40% and strengthening data security.