Hello and welcome to my portfolio site, here you will find information about me and who i am as well as blog posts related to web application, web application security and other topics. Feel free to reach out to me with any questions you might have or if you have a project you need help with.

Hello and welcome to my portfolio site, here you will find information about me and who i am as well as blog posts related to web application, web application security and other topics. Feel free to reach out to me with any questions you might have or if you have a project you need help with.

I build websites

I build Secure WebSites

About Me
About Me

My name is Sergio, and I am a full-stack web application developer with a background in web application security. I have  experience  with building web applications and managing, configuring , and securing Linux severs running both Apache and Nginx. I can help in various projects, from small to large. If you are interested in working with me please reach out for a free consultation via email or phone. You can also visit my GitHub page to view my public projects.

  • Residence USA
  • Consulting Available
  • Address Chicago IL, USA
  • Phone 224-522-8626
  • E-mail [email protected]

Services

Web Development

Have an idea or question about how to go about building something for your business.

Application Security

Let me help you with auditing your web application or server to ensure it is up to date and secure as well as finding any vulnerabilities.

Server Management

Need help with your current server, or are you looking to set up a new one? I can ensure that your current server is up to date, configured correctly, or appropriately secured, ensuring your customer's information is not compromised.

Experience
2013 - Present
Experience
System Admin

Manage our system servers and also a lead developer.

2008 - 2015
Experience
Freelance Developer

Built custom websites and web applications for a varity of clients

Education/Certifications
03/2023
CompTIA Security+
2016-2022
CS - NEIU, Chicago IL

Obtained B.S in Computer Science with emphasis in Network Security and CyberSecurity

2006 - 2008
Web Development - SWC, Chula Vista CA

AA in web development and design

Coding Skills

  • PHP
    90%
  • Python
    70%
  • Javascript
    80%
  • Bash
    80%
  • Java
    80%

Languages Skills

  • English
    90%
  • Spanish
    90%

Skills

  • LAMP Stack
    90%
  • Core PHP
    90%
  • Laravel
    90%
  • Bootstrap
    90%
  • MySQL
    90%
  • Application Security
    90%
  • REST API
    90%
  • Linux Management
    90%
  • Nmap
    90%
  • IDS/IPS integration (Snort 3.0)
    90%
  • Lynis
    90%
  • OWASP
    90%
  • Android
    90%

Interests

Running

It is important to keep a clear mind and taking a run through a forest preserve or even the neighborhood can help with that.

Hiking

Taking a hike at any local forest preserve or going to other locations especially mountainous.

Gaming

Sometimes you just need to take some time to have fun and play a good old video game.

Music

Checking out concerts of some of my favorite bands that come into town.

Latest Blog

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Contact Information

Phone

224-522-8626

Address

Chicago IL, USA

Consulting Available

I'm available for consulting and freelance work.

Get In Touch