Full-stack developer · API integration · scalable web apps
Building dependable products with clean code and thoughtful engineering.
I help teams build resilient web applications using React, Next.js, Node.js, and cloud-native deployment workflows. My work focuses on readable architecture, fast delivery, and production stability.
Lighthouse Audit
4.89
The Lighthouse performance and reliability audit for this site passed with a near-perfect score.
Projects
Integrated flight booking services using the Duffel API, providing access to 300+ airlines and real-time flight search capabilities. Implemented secure payment processing with Stripe, handled booking workflows, and resolved production issues to improve reliability. Maintained and monitored multiple DigitalOcean environments, achieving over 83% uptime during a 9-month contract engagement.
Contributed to the development of a blockchain-powered NFT marketplace by building and maintaining automated CI/CD pipelines with GitLab and Node.js. Streamlined deployment processes, reducing manual effort by more than 70%, and collaborated closely with a team of developers to ensure code quality, efficient releases, and stable production environments.
Certificates
Foundations of Cybersecurity
Google via Coursera
Completed Foundations of Cybersecurity, covering core cybersecurity analyst skills, the business impact of security attacks, security ethics, and common analyst tooling.
2026 - no expiration date
Play It Safe: Manage Security Risks
Google via Coursera
Completed Play It Safe: Manage Security Risks, focused on identifying threats and vulnerabilities, applying frameworks and controls, and using SIEM tools and playbooks for incident response.
2026 - no expiration date
Feedback
Mary Joie Cruz
CEO and Founder · B612 Designs Innovations Lab, Inc.
“Gerald and his team consistently shows strong ownership of their assigned tasks, ensuring that work is completed reliably with minimal supervision. They are comfortable asking clarifying questions when needed and are honest about what they can and cannot take on, which helps maintain clarity and alignment throughout the work.”
Developer portfolio with a focus on clean engineering, reusable systems, and reliable deployment. Open to remote and collaborative work.
© 2026 Gerald Diego. Built with Next.js, Mantine, and deployed on Vercel. All rights reserved.