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

    • Improved a medical text analysis engine by developing algorithms to identify and extract clinical concepts from unstructured text.
    • Boosted medical concept recognition accuracy by 5% by implementing an alpha-sort algorithm for multi-word concepts.
    • Enhanced precision of concept recognition by 3% by creating algorithms to parse and interpret special characters within clinical documentation.

    • 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

    • Designed and developed a Java-based RESTful microservice as middleware for internal systems, enabling reliable and scalable data exchange.
    • Optimized data transformation and integration logic, reducing response latency by 30% and significantly improving system 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

    • Delivered back-end Java solutions for clients including General Electric, USAA, and Charter, leading the migration of legacy desktop applications to modern web platforms.
    • Led small development teams, conducted code reviews, and established unit/integration testing standards, improving code quality and team velocity.
    • Mentored and trained interns, fostering team growth and ensuring adherence to best practices.

    • 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 APIs | Microservices | Hibernate | JDBC


Mobile Development

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


Application Servers & Containers

Docker | Apache Tomcat | Jetty


Operating Systems

macOS | Linux | Windows

Front-end

JavaScript | TypeScript | Vue.js | Express.js | Bootstrap | HTML5 | CSS3 | AJAX


Cloud Platforms

AWS | Heroku | Cloudflare


Methodologies

Agile (Scrum)


Languages

English: Advanced
Spanish: Native

Testing

JUnit | Mockito | Selenium | Espresso | Jest


Database & Storage

MySQL | Oracle PL/SQL | Redis


Tools & CI/CD

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


IDEs

Android Studio | Eclipse | IntelliJ IDEA | WebStorm | Spring Tool Suite | NetBeans

  • 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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