Senior Full Stack Developer (React / Next.js / TypeScript / Node.js / AWS)
7+ years building scalable web applications for enterprise teams (BBVA, Interbank, SANNA). Full Stack expertise integrating modern front-end with robust back-end (Node.js/AWS).
Tech Stack.
Front-End
React, Next.js, TypeScript, TailwindCSS, Design Systems.
Back-End
Node.js, Express, Integration with REST & GraphQL APIs.
Cloud & DevOps
AWS, Google Cloud (GCP), CI/CD, GitLab, Docker.
Testing & Quality
Testing with Jest, Code Reviews, Agile.
Experience.
Senior Front-End Developer
04/2024 – 12/2025Entelgy
Front-End interface development for investment and customer management banking platforms (BBVA, Interbank).
- Reusable component construction with React and TypeScript, following scalability and Clean Code principles.
- Performance improvements, production incident resolution, and visual support for marketing campaigns.
- Integration with analytics and tracking tools (GTM, Braze, Hotjar).
- Worked under Scrum and Kanban agile methodologies in multi-team environments.
Senior Front-End / Full Stack Developer
05/2024 – 12/2024SafetyMind
Web and mobile interface development for a real-time risk monitoring and control platform.
- Implementation of dashboards, notification flows, and data visualization.
- Integration with Node.js backend services and REST APIs deployed on AWS.
Front-End Developer
12/2023 – 07/2024CSTI Corp
Internal web application development for Laureate Education / UTP.
- Optimization of reusable components and improvement of code maintainability.
- Worked with React, TypeScript, Azure DevOps, and Jira.
Featured Projects.




About Me.
"Software engineering is not just about writing code; it's about solving complex problems and creating tools that empower people."
Hey there! I'm Ysacc, a Senior Front-End Developer with a deep-seated passion for creating high-performance, user-centric web applications. My journey began with a curiosity for how things work on the internet, and over the past 7+ years, it has evolved into a professional career focused on building robust systems for leading enterprises in banking and health industries.
I thrive on challenges that require a mix of technical precision and creative thinking. Whether it's optimizing a complex data dashboard for high efficiency or architecting a reusable component library from scratch, my goal is always the same: delivering excellence that drives business value and enhances the user experience.
