Portfolio 2026

Hi, I'm Keyrol

Software EngineerFull Stack DeveloperBanking SystemsAI Enthusiast

Software Engineer Consultant crafting secure, scalable financial systems and immersive digital experiences.

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About Me

Engineering the Future of Finance

Passionate software engineer with a focus on quality and innovation. Expert in JavaScript and TypeScript ecosystems, dedicated to building secure, user-friendly financial and enterprise solutions. Collaborative problem solver with deep experience in banking systems, enrollment flows, and full-stack development across web and mobile platforms.

4+

Years Experience

4

Companies

6

Projects Delivered

2

Languages

Professional Profile

Passionate software engineer with a focus on quality and innovation. Expert in JavaScript and TypeScript ecosystems, dedicated to building secure, user-friendly financial and enterprise solutions. Collaborative problem solver with deep experience in banking systems, enrollment flows, and full-stack development across web and mobile platforms.

Languages

English

Competent

Spanish

Native

Location

Santo Domingo, Dominican Republic

Experience

Career Timeline

Building enterprise-grade financial systems across global organizations.

Skills

Technology Galaxy

A constellation of technologies I use to build robust, scalable applications.

Frontend

ReactNext.jsTypeScriptJavaScriptHTMLCSSTailwind CSSReact NativeWordPress

Projects

Holographic Work

Key modules and systems engineered across banking, fintech, and enterprise platforms.

Temenos

Banking Enrollment System

End-to-end digital onboarding for financial institutions

ReactTypeScriptNode.js+2

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Banking Enrollment System

Complete enrollment module for Temenos banking platform — guiding users through identity verification, account setup, and secure onboarding with dynamic form flows and real-time validation.

  • ◆Seamless multi-step onboarding flow
  • ◆Dynamic form validation
  • ◆Production-grade banking integration
ReactTypeScriptNode.jsREST APIsBanking

Temenos

OTP Authentication Module

Security-critical two-factor authentication system

JavaScriptTypeScriptSecurity+1

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OTP Authentication Module

Designed and implemented a robust OTP module serving as the backbone of user authentication — handling code generation, delivery, verification, and session management for banking applications.

  • ◆Secure OTP generation and verification
  • ◆Integrated with enrollment and login flows
  • ◆Enhanced account security for banking clients
JavaScriptTypeScriptSecurityREST APIs

Aspire Systems

Government Bill Payment Integration

Cross-platform bill payment with government API integration

ReactReact NativeNode.js+1

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Government Bill Payment Integration

Full bill payment module integrating third-party APIs from the El Salvador government — enabling users to pay bills seamlessly across web and mobile with dynamic input adaptation based on API responses.

  • ◆Third-party government API integration
  • ◆Dynamic form inputs from API responses
  • ◆Web and mobile parity
ReactReact NativeNode.jsGovernment APIs

Aspire Systems

International Transfers Platform

Web and mobile international money transfer module

ReactReact NativeTypeScript+2

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International Transfers Platform

Complete international transfers module built for web and mobile — handling currency conversion, beneficiary management, compliance checks, and secure transaction processing.

  • ◆Cross-platform web and mobile delivery
  • ◆Secure financial transaction flows
  • ◆Real-time transfer status tracking
ReactReact NativeTypeScriptNode.jsFinTech

UNPHU

University Graduation Portal

Multi-step graduation management system

ReactJavaScriptNode.js+1

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University Graduation Portal

Engineered the full graduation module for UNPHU with multi-step dynamic forms — streamlining document submission, fee payment, and graduation status tracking for thousands of students.

  • ◆Multi-step dynamic form wizard
  • ◆Integrated payment processing
  • ◆Optimized graduation workflow
ReactJavaScriptNode.jsDynamic Forms

UNPHU

University Online Payment System

Secure payment platform for academic services

ReactNode.jsPayment Gateways+1

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University Online Payment System

Led development of the complete online payment module for university services — enabling secure tuition, fee, and service payments with real-time transaction confirmation.

  • ◆Secure payment processing
  • ◆Real-time transaction confirmation
  • ◆PowerBI reporting integration
ReactNode.jsPayment GatewaysREST APIs

Education

Academic Foundation

Formal training in software development and engineering principles.

Degree

Software Development Technologist

Instituto Tecnológico de las Américas (ITLA)

Comprehensive software development program covering algorithms, databases, web technologies, and software engineering principles.

Jan 2018 — Aug 2021

Contact

Let's Connect

Ready to build something extraordinary? Reach out and let's create the future together.

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Location

Santo Domingo, Dominican Republic

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