Simera Professional Key (SPK)

Luis I

El Salvador

Senior Full-Stack Engineer (Java / React)

$ 5,200/month

10+ yrs exp

I’m a Senior Backend Engineer with over 12 years of experience working mainly with Java, Spring Boot and AWS. Throughout my career I’ve built APIs, enterprise applications and cloud solutions for banking and SaaS products. I’ve also been involved in architecture decisions, DevOps, CI/CD and mentoring other developers. I like solving complex backend problems, improving production systems and finding practical solutions that keep software stable and scalable. I enjoy working with teams where peopl…

Skills

  • AngularJS
  • CI/CD
  • HTML
  • HTML5
  • Java
  • Microservice
  • MongoDB
  • MySQL
  • PostgreSQL
  • React
  • SAP
  • Spring Framework
  • Angular
  • Auth0
  • Cloud Architect
  • Microservices
  • Oracle
  • ReactJS
  • SOAP
  • SOP
  • Springboot
  • CICD
  • Landing Pages
  • Java.
  • keycloack
  • Dependency injection
  • GitHub Actions
  • Spring boot
  • Angular+17
  • Cloud Architecture
  • MSQL
  • AWS S3
  • Landing Page Design
  • Technical Leadership

Luis I

El Salvador

Senior Full-Stack Engineer (Java / React)

$ 5,200 /month

Part Time: $ 3,450/month

10+ yrs exp

I’m a Senior Backend Engineer with over 12 years of experience working mainly with Java, Spring Boot and AWS. Throughout my career I’ve built APIs, enterprise applications and cloud solutions for banking and SaaS products. I’ve also been involved in architecture decisions, DevOps, CI/CD and mentoring other developers. I like solving complex backend problems, improving production systems and finding practical solutions that keep software stable and scalable. I enjoy working with teams where peopl…

Skills

  • AngularJS
  • CI/CD
  • HTML
  • HTML5
  • Java
  • Microservice
  • MongoDB
  • MySQL
  • PostgreSQL
  • React
  • SAP
  • Spring Framework
  • Angular
  • Auth0
  • Cloud Architect
  • Microservices
  • Oracle
  • ReactJS
  • SOAP
  • SOP
  • Springboot
  • CICD
  • Landing Pages
  • Java.
  • keycloack
  • Dependency injection
  • GitHub Actions
  • Spring boot
  • Angular+17
  • Cloud Architecture
  • MSQL
  • AWS S3
  • Landing Page Design
  • Technical Leadership

Senior Full-Stack Engineer (Java / React)

Hit Promotional Products
January 2025 - present

Implemented robust MVC patterns and Dependency Injection to ensure modular, testable, and maintainable backend services. Leveraged AWS to deploy containerized services, ensuring high availability for multi-tenant workflows.

DevOps Lead & Technical Advisor

Nrby Inc.
June 2024 - February 2026

Designed scalable AWS infrastructure focusing on system reliability and low-latency API responses (critical for SEO indexing). Developed custom Keycloak SPIs while managing CI/CD pipelines via GitHub Actions to accelerate release cycles.

Spring Boot Implementation Lead

BANDESAL (Development Bank of El Salvador)
January 2022 - December 2022

Led the Spring Boot implementation for banking REST services, ensuring strict MVC compliance and secure data handling.

Technical Project Lead / Engineering Manager

TecnoIP S.A. de C.V.
January 2020 - present

Led the engineering of TECNOIP, implementing SEO-friendly content tools and automated modules to drive SaaS user acquisition. Orchestrated architecture involving MySQL, PostgreSQL, and MongoDB Atlas for high-scale data processing.

Senior Java Developer

Banco Davivienda Salvadoreño
January 2018 - December 2019

Optimized transaction engines and integrated AS400 legacy systems with modern Java backends for digital banking.

Systems Analyst / Senior Developer

Banco Hipotecario El Salvador
January 2017 - December 2018

Orchestrated the migration of Oracle-based applications to Service-Oriented Architecture (SOA). Developed SOAP-based interbank and government integrations, ensuring 100% data consistency.

Systems Analyst / Senior Developer

Banco G&T Continental
January 2015 - December 2017

Supported high-availability deployments on enterprise application servers for regional financial services.

Java EE Web Systems Engineer

Fiscalía General de la República
January 2014 - December 2015

Designed Java EE systems and reporting dashboards, managing core HTML templates and complex database queries.

Smart Scores

Communication
70
Role Fit
95
Adaptability
70
Problem-solving
90

Smart Skills

beta