Luis Francisco Segura Araujo
Santo Domingo,Dominican Republic
Summary
Full-Stack Developer with 4+ years of experience building scalable backend systems in .NET and Node.js, and modern web applications with React and Next.js. Strong background in databases (SQL Server, MongoDB) and containerization (Docker, Azure), with proven ability to reduce payroll errors by 60% and improve HR response time by 40%. Passionate about cloud computing (AWS/Azure) and real-time applications.
Overview
4
4
years of professional experience
Work History
Backend .NET Developer
Sistemas Integrado De La Informatica (SII)
Santo Domingo, Dominican Republic
01.2025 - 07.2025
- Maintained high-security backend services in .NET Framework 4.8 for online banking.
- Migrated legacy systems to .NET 8, improving performance and maintainability.
- Built and consumed RESTful microservices for internal and external integrations.
- Designed SQL Server stored procedures handling high-volume transactions.
- Collaborated with banking clients and used Atlassian suite (Jira, Confluence, Bitbucket) for agile development and CI/CD.
Full-Stack Web Developer
ObjectLink
12.2021 - 01.2025
- Developed and maintained a scalable RESTful API using C#, ASP.NET, Entity Framework, and FluentValidation, applying clean architecture principles.
- Designed a dynamic calendar module (holidays, vacations, shift changes), reducing HR response time by 40%.
- Built a time calculation engine for 3,000+ employees, reducing payroll errors by 60%.
- Contributed to frontend development (JavaScript, jQuery, Kendo UI, ASP.NET MVC) enabling real-time employee scheduling.
- Remote
Education
Bachelor - System Engineering
Universidad Tecnologica De Santiago (UTESA)
Dominican Republic04.2026
Certificate of Technical Studies - React Js
ITLA
Santo Domingo, Dominican Republic05.2023
Scrum Foundations Certified Expert (SFCE) - Scrum Foundations
CertJoin
Online04.2023
English Proficiency Certificate - English
Mescyt
Santo Domingo, Dominican Republic12.2016
Skills
- C#
- JavaScript
- TypeScript
- ASPNET Core
- Nodejs
- Express
- React
- Nextjs
- SQL Server
- MongoDB
- Docker
- Git
- Azure
- Atlassian Suite
- AWS
Projects
Real-Time Collaborative Whiteboard App, React.js, Node.js, Socket.IO, JWT, Developed a full-stack app enabling real-time collaboration across multiple users., Implemented Canvas API frontend with React hooks and Context API., Designed backend with Express + Socket.IO for low-latency communication., Integrated JWT authentication and room-based access control.
Timeline
Backend .NET Developer
Sistemas Integrado De La Informatica (SII)
01.2025 - 07.2025
Full-Stack Web Developer
ObjectLink
12.2021 - 01.2025
Bachelor - System Engineering
Universidad Tecnologica De Santiago (UTESA)
Certificate of Technical Studies - React Js
ITLA
Scrum Foundations Certified Expert (SFCE) - Scrum Foundations
CertJoin
English Proficiency Certificate - English
Mescyt