Stelm at ,S enio r F ull- S ta ck E ngin

Constructed the startup’s core product from inception, delivering on schedule and within budget constraints. Formulated a scalable front-end architecture to enable rapid product development. Utilized technologies including React, TypeScript, PHP, and MySQL.

Spearheaded migration from Google AMP to Next.js, achieving a reported 60% reduction in load times through dynamic routing, component-level lazy loading, and Webpack optimization. Reviewed all pull requests to enforce team-wide standards and ensure high-quality code output. Provided cross-team mentorship, offering technical support, code pairing, and process guidance.

Designed a modular, cloud-native web application for managing agricultural sales quotas and real-time performance analytics. Engineered scalable RESTful APIs using Node.js and Express with a layered architecture and OpenAPI specification for maintainability. Integrated Sequelize ORM with MySQL, optimizing complex joins and using connection pooling for high-concurrency scenarios. Deployed services in Docker containers orchestrated by ECS Fargate with health checks and autoscaling policies. Implemented JWT-based authentication, role-based access control (RBAC), and Redis-backed blacklists; applied rate limiting and API gateway throttling to uphold uptime and security. Led CI/CD integration using GitHub Actions with automated unit tests, linting, and Terraform validations.