Sergio Hernandez

My Experience

Amazon

Software Development Engineer

December 2023 - Present

Developing and designing Object Oriented software to enhance the user interface for grocery product search results on amazon.com and other international domains that have grocery partners such as India and Japan to name a couple
Review peers Java and JavaScript code to ensure errors aren't merged and follows good coding standards
Experience using Git commands such as stash, push, merge, rebase, branch, cherry-pick and squashing
Collaborating with other teams to ensure deadlines are met and reading documentation to navigate a large codebase

PENNYMAC

Application Development Intern

June 2023 - August 2023

Developed an input processing program for the finance department that converts an English-like language into Python code and performs operations on a global object called "loan" to update object values
Implemented the conversion process from Python code into a JSON format for future execution, where CSV data determines the key to store each Python code under.

California State University Northridge

Computational Research Assistant

June 2022 - January 2023

Perform GIS spatial analysis (in QGIS) and quantitative analysis (in Excel and Matlab)
Produced visualizations, including plot diagrams and images, to support earthquake research efforts

My Projects

Project Management System

React.js, Node.js (Express), SQL, MySQL

React.js web-based application that manages employee assignments and tracks their progress by allowing users to add, view, update and delete employee records, and search by employee name, ID, position, or task. User data is stored in a MySQL database.

MAJESTiC Event Entertainment

React.js, Vite, TypeScript, EmailJS

Created a website for a multi-service company showcasing their products and services such as photobooth, dj, and photography, along with a contact form for clients to send inquiries to the company owner.

Advisement Login Portal

React.js, Firebase (user athentication)

Created a web application for my university's CADV advisement department that enables students to submit a form with their information such as their name, student ID, and reason for advisement. Only authorized admins can log in to the website and view the data.

Budgeting App

React (Web), React Native (Mobile)

Developed a cross platform budgeting application as part of a group in my senior design class. The app enables users to set a budget for the month and track their expenses by adding and deleting transactions. The app has a web and mobile version, and their data is stored in a database for future querying. I worked on the mobile UI and connecting the web version to the database.

Hike Tracker

React.js, Firebase (user athentication), Geolocation API

Developed a web-based application that allows users to track and log the number of locations they have visited by logging in with their Google email account, and also providing a public chat feature for users to communicate with each other.

Mp3 File Tagger

Python, PyQt5, Spotify API

Developed a python desktop application that leveraged the Spotify API to tag MP3 files with their release year and explicit content status, providing DJs with an efficient way to organize their music library.

Solar Escape

Unity, C#

Developed and designed a 2D endless runner video game featuring multiple levels, personal high score tracking functionality and is available as a Windows 64-bit installer.

My Achievements

CSUN FAANG Coding Club

President

Founded a club at my university to enhance interview and class performance by teaching computer science concepts and techniques.
Led programming workshops and tutorials to assist university students in learning Java and developing their algorithm skills.

2023 CSUN Code for a Cause Accessibility Competition

Winning Team

Collaborated with graduate students to develop a mobile application for tracking eye drop medication for post-surgery patients.
Developed skills in using Github and Git command-line tools, including working with pull requests and merging code.
Contributed to the design and functionality of the app, resulting in a functional and user-friendly prototype.

Hi, I'm Sergio

My Experience

My Projects

Project Management System

MAJESTiC Event Entertainment

Advisement Login Portal

Budgeting App

Hike Tracker

Mp3 File Tagger

Solar Escape

My Skills

My Education

My Achievements

Contact Me

Email

GitHub

LinkedIn