Sugar R.
Senior Full Stack Engineer
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About
Sugar Ray L. is a highly experienced Senior Full Stack Engineer with over 7 years in designing and scaling backend systems alongside delivering high-performance frontend applications. Based in Taguig City, Philippines, he is proficient in Python, Django, Node.js, and modern cloud-native architectures. At Upwork, Sugar Ray skillfully designed scalable REST and GraphQL APIs, using Node.js and Express.js, while architecting and implementing frontend platforms with React, Next.js, and TypeScript. His expertise extends to deploying scalable services on AWS infrastructure and utilizing Docker and Kubernetes for infrastructure automation. Previously, at BluePeak Software Solutions, he engineered secure authentication frameworks and optimized database performance. With a background in Computer Science from Taguig City University, Sugar Ray seamlessly integrates robust solutions into high-traffic, data-driven applications, ensuring secure, user-focused experiences.
Experience
Senior Full Stack Engineer
Upwork · 2025 — PresentDesigned and deployed REST and GraphQL APIs leveraging Node.js, Express.js, and modular service architecture for high-traffic SaaS platforms. Developed frontend applications utilizing React, Next.js, TypeScript, and Redux, focused on creating responsive user interfaces. Established asynchronous processing pipelines and event-driven workflows to enhance system responsiveness for background tasks. Optimized PostgreSQL and MongoDB database structures to improve query performance and reduce API latency. Built secure authentication and access control systems with JWT and OAuth 2.0, enhancing application security. Deployed services on AWS infrastructure, ensuring high availability. Created containerized environments using Docker and Kubernetes for reliable deployments. Developed automated CI/CD pipelines with GitHub Actions to streamline release cycles. Conducted testing using Jest and Cypress to maintain code quality.Backend Software Engineer
BluePeak Software Solutions · 2023 — 2025Engineered scalable backend services with Node.js, Express.js, and GraphQL APIs for distributed enterprise systems. Developed secure authentication frameworks utilizing OAuth 2.0 and JWT for robust access control across microservices. Enhanced PostgreSQL and MongoDB database performance through indexing strategies and schema restructuring. Deployed resilient backend architectures on AWS cloud infrastructure. Built Docker-based containerized deployment pipelines to ensure consistent environments. Established API contracts and integration standards for efficient communication between frontend and backend systems. Collaborated with cross-functional teams to support scalable backend architecture growth. Resolved production performance issues to ensure reliability.Frontend Software Engineer
Nexora Digital Labs · 2019 — 2022Created high-performance user interfaces with React, Vue.js, JavaScript (ES6+), HTML5, CSS3, and Material UI to enhance usability across enterprise applications. Developed dynamic analytics dashboards for improved business decision-making through effective data visualization. Refactored legacy UI components into scalable and modular architectures to reduce technical debt. Integrated frontend systems with Node.js APIs and Firebase services for secure data exchange. Supported AWS-hosted deployment environments and CI/CD workflows to strengthen DevOps capabilities.
Skills & Expertise
Education
- Bachelor of Science in Computer ScienceTaguig City University · 2017 — 2021