About Me

Hi! I’m Alan Quintero, a Software Engineer with experience in backend systems and Android development.
I specialize in Java and enjoy using modern tools to optimize workflows and deliver high-quality, efficient solutions. I’m committed to continuous learning and believe every experience helps us grow into better versions of ourselves.

Work authorization: U.S. citizenship


Contact Details
  • Talix logo

    Talix

    Hybrid – based in San Francisco, California, USA
    September 2018 to August 2019

    Role: Software Engineer

    • Health Care/Medical Industry: worked on back-end development in Java to enhance and maintain a medical text analysis tool designed to identify and extract medical concepts from clinical text.
    • Increased the accuracy of the recognition of medical concepts by 5% by implementing an alpha sort algorithm for concepts within 5 to 7 words.
    • Implemented algorithms to recognize special characters, increasing the precision recognition of medical concepts by 3%.

    • Technologies involved: Java 7 | JUnit | Apache OpenNLP | CVS | Oracle SQL | Tomcat
  • Infosys logo

    Infosys

    Sunnyvale, California, USA
    June 2017 to September 2018
    Apple logo

    Role: Technology Analyst

    • Developed a Java-based RESTful microservice to act as middleware between internal systems, enabling reliable and scalable communication. Optimized data transformation logic, reducing response latency by 30% and improving system integration performance.

    • Technologies involved: Java 8 | REST | Maven | JSON | JUnit 4 | Mockito | Git | Tomcat

    Client: Apple

  • Mexico logo

    IT Consulting

    Mexico
    January 2015 to May 2017

    Role: Software Developer

    • Worked with leading consultancies on projects for General Electric, USAA, and Charter.
    • Contributed to back-end Java development including migration of desktop applications to web, RESTful web service design, and process improvements that enhanced user experience.
    • Led small teams, conducted code reviews, created unit and integration tests, and provided Java training for interns. Collaborated effectively with remote teams to deliver high-quality solutions on time.

    • Technologies involved: Java | Spring MVC | Spring Boot | REST | Hibernate | Maven | JUnit | Mockito | Selenium | Git | Oracle SQL | MySQL | SonarQube | Jenkins

    Clients: Charter | USAA | General Electric

        Mexico clients logo

Skills

Back-end

Java | Spring Framework | RESTful Microservices | Hibernate| JDBC


Mobile Development

Android (Kotlin | Java, Jetpack Compose, XML, Android SDK)


Application Servers

Apache Tomcat | Jetty | Docker


Operating Systems

Windows | Linux | MacOS

Front-end

JavaScript | VueJS | TypeScript | ExpressJS | Bootstrap | HTML5 | CSS3 | AJAX


Cloud Platform

Heroku | AWS | Cloudflare


Methodologies

Agile | Scrum


Languages

English:​ Advanced
Spanish: Native

Testing

JUnit | Mockito | Selenium | Jest | Espresso


Database and Storage

MySQL | Oracle PL/SQL | Redis


Others

JSON | Git | Maven | Jenkins | SonarQube | Swagger | Google Checkstyle | Jira


IDE

Eclipse | Netbeans | Spring Tool Suite | Android Studio | WebStorm

  • UAA logo

    Bachelor's Degree

    Universidad Autonoma de Aguascalientes

    Aguascalientes, Mexico
    August 2010 to December 2014

    B.S. in Computer Systems Engineering

Certifications

Android certification
Java 6 certification

Awards

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Projects


More About Me

I am a responsible, disciplined, and dedicated person who believes the key to success is to never stop learning. I love discovering something new every day and continue working step by step toward turning my dreams into reality.

In my free time, I enjoy reading books, exercising, watching movies occasionally, and traveling whenever I get the chance.

My favorite quote: "Success is not about speed, but about steady and consistent effort."

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