Hello, I'm Esteban

+3 years of experience. Software Engineering Technician from San Salvador, El Salvador 🇸🇻. Specialized in web application development.

Professional experience

  1. Serfinsa

    .NET Software Developer

    Versatile developer in the modernization and creation of internal applications, integrating modern technologies and improving banking APIs for the fintech. Resolution of high-priority incidents and performance optimization. UX/UI design implementation, achieving more intuitive systems with a reduced learning curve for employees.

    Systems Operator

    Resolve incidents to process business management tasks, monitor transactional flow and connections between banks, and respond to technical requests from Call Centers or direct merchants. Conduct closures of ATMs and manage the country's electronic payments.

  2. Co-Founder & Principal Developer

    AlejandrĂ­a

    Designer and developer responsible for the main platform, from architecture planning to the MVP and beyond. Product interface and Landing Pages designer. Creation of Social-Commerce by integrating AI services with advanced technologies. Learn more
  3. Technical Support Intern

    Urbánica

    Manage and maintain equipment outside the administrative offices, in shopping centers, residential areas, projects under development, and sales rooms. Streamline equipment maintenance processes and simultaneously inventory, avoiding time losses in each task. Learn more

Projects

AlejandrĂ­a Client

  • React.js
  • Tailwind CSS
  • Vite
AlejandrĂ­a is a startup project that it achieved +30k registered users in less than 4 months. A mix of a social network, marketplace and an integrated chat with AI.
Foto de referencia

AlejandrĂ­a API

  • logo_NET .NET Core
  • Azure
  • MongoDB
AlejandrĂ­a API with multiple functions like, Auth, JWT, RAG AI, Email Services, validations, Azure Blob Storage, Azure AI Services and NoSQL. Made from scratch with .NET 8
Foto de referencia

API META

  • .NET Framework
  • file_type_sql SQL
META API (Modulo de Estadisticas, Transacciones y Adquirentes), to manage employees, transactions and monitor the transactions of your shop.
Foto de referencia

User Manager - User's Management System

  • logo_NET .NET Core
  • JavaScript
Basic technical testing system for junior .NET programmer, My first live coding successfully completed. Created from scratch with ASP.NET, SQL and Blazor.

Education

  1. Technical Degree in Computer Systems Engineering

    ITCA-FEPADE

    During my education at university, I learned the fundamentals of software development, programming languages, databases, UI/UX, and infrastructure. Learn more
  2. High School Diploma

    Instituto Nacional de San Rafael

    My general studies prior to university. Learn more

About me

I'm Esteban Alvarenga, a software developer who began programming during the pandemic, driven by both personal interest and my professional path. Currently, I’m working at the largest fintech in the country.

Among my notable achievements is enhancing a platform utilized by thousands of merchants by 70%, significantly improving their ability to manage and track transactions. This update was met with overwhelmingly positive feedback from both the users and the company.

As a passionate advocate of artificial intelligence, I've successfully integrated AI capabilities into social media software, enriching the business logic. My focus is on harnessing the power of today’s cutting-edge technology to drive innovation.

Esteban Alvarenga