SAÚL PÉREZ

earhackerdem@gmail.com | +52 241 121 5390

Backend Developer with 5+ years building REST APIs and scalable web applications. Currently focused on Python and FastAPI for high-performance microservices. My foundation in PHP/Laravel — including authentication, database optimization, and CI/CD pipelines — gives me strong transferable patterns for building production-ready Python backends.


Experience

Software Engineer

  • Conducting advanced Level 2 and 3 support for complex PHP MVC projects
  • Implementing code optimization and debugging strategies
  • Ensuring high-performance and scalable software solutions
  • Deepening knowledge in Python and FastAPI to transition into Python-first backend development

Skills

  • Python · FastAPI
  • PHP MVC
  • Code Optimization
  • Advanced Debugging
  • Performance Optimization
July 2024 – December 2024

Backend Developer & Business Analyst

SCA and MyWallet projects.

  • Developed and maintained API REST applications using Laravel 8/9 and its ecosystem (Passport for authentication)
  • Implemented microservices architecture with Symfony framework
  • Conducted comprehensive unit and feature testing with PHPUnit and backend debugging
  • Reduced query execute load by optimizing the Eloquent Queries and DTOs from 8MB to 1MB
  • Contributed to deployment processes (CI/CD) using AWS services and Bitbucket Pipelines
  • Supported operational training and team knowledge transfer

Skills

  • Laravel 8/9 with Passport
  • Symfony
  • PHPUnit
  • Microservices Architecture
  • AWS Services
  • Bitbucket Pipelines
  • API REST Development
  • Database Optimization
December 2022 - June 2024

System Engineer Junior

  • Backend using Spring Boot and Java
  • Frontend using Angular and TypeScript
  • Eclipse and Git & GitHub for version control
  • Support for ETL and Multitenant Application
  • PostgreSQL and Microsoft Remote Desktop
  • Agile, Java, JavaScript, Bootstrap Certifications

Skills

  • PostgreSQL
  • TypeScript
  • AngularJS
  • Bootstrap
  • Spring Boot
  • Java
January 2022 – November 2022

Laravel Developer

Develop business solutions web application.

  • Listen to needs in order to propose technical solutions
  • Decision making
  • Developed end-to-end business solutions web applications with Laravel 7 Framework.
  • Proficient in database layer (Migrations, Factories, Seeders, Eloquent Relationships).
  • Expertise in the HTTP layer including resource routes, requests, policies, roles, and permissions.
  • AdminLTE (Bootstrap 4), Blade Layouts, Components, and Livewire

Involved technologies

  • Laravel 8
    • Migrations
    • Eloquent Relationships
    • Resource Routes
    • Auth Integration
    • FormRequest
    • Policies
    • Traits
    • Middlewares
    • Queues
    • Roles and permissions
    • Livewire
    • Components
    • Blade Layouts
    • AdminLTE
    • SweatAlert
  • Git & Github
June 2021 – December 2021

Freelance Laravel Developer

Maikai & Six Flags Project
  • Completed project two weeks ahead of deadline
  • Managed full application lifecycle from requirements to deployment on cPanel
  • Integrated Google Analytics for performance tracking and implemented Redis-based Queues for background operations

Skills

  • Laravel
  • cPanel Deployment
  • Google Analytics Integration
  • Redis Queues
  • Full Stack Development
March 2021 – June 2021

Process assistant

Desarrollo Industrial

Capture details about business process in order to create.

  • Process manuals
  • Flowchart

Acquired abilities:

  • Work in team
  • Communication
November 2018 - March 2019

Web Developer

CENTRO DE COMPUTO(CC) INSTITUTO TECNOLÓGICO DE APIZACO

PROJECT: Wifi Access Control System

Description: System that provides control for Wifi Devices of the Institute, using MAC address to register devices of Students and Workers.

Administrator Management
  • CRUD for types of devices
  • CRUD for band widths
  • Modules for Workers and Students devices settings:
    • Current IP
    • IP Limit
    • Subnet Mask
    • DHCP-Router-Address
    • Number of allowed devices
    • Number of default devices
    • Saved devices
Clients (Students and Workers side)
  • Devices CRUD
  • Instructions (Windows, Mac OS, Android) to get MAC Device Address in order to register the device
Involved technologies
  • HTML
  • Bootstrap Framework
  • PHP
  • MySQL
    • Join Queries
    • Transactions
  • Git & Github
February 2018 - July 2018

Education

INSTITUTO TECNOLÓGICO DE APIZACO

TICS Engineer
August 2015 - January 2020

PHP Professional Path Certification

Platzi.com
Completed

Technical Skills

Programming Languages & Standards

  • Python (primary focus), PHP, Java, JavaScript, TypeScript
  • Adherence to PEP 8 and PSR standards

Frameworks & Libraries

  • Python: FastAPI, SQLAlchemy, Pydantic, Alembic, pytest, Uvicorn
  • PHP: Laravel (8 & 9) with Passport, Livewire; Symfony, Yii
  • Java: Spring, Spring Boot
  • JavaScript/TypeScript: Angular

Database Technologies

  • Relational: MySQL, PostgreSQL, SQLite (Testing)
  • In-Memory: Redis
  • Tools: DBeaver, TablePlus

Cloud & Deployment

  • AWS: S3, RDS, Secrets Manager
  • Platforms: Railway, cPanel

DevOps & Tools

  • CI/CD: GitHub Actions, Bitbucket Pipelines
  • Version Control: Git, GitHub
  • Containers: Docker, Docker Compose
  • API Tools: Postman
  • Dependency Management: Composer, NPM
  • Development: SSH, Cursor IDE (AI Integrated)

Collaboration & Project Management

  • JIRA, Slack, Microsoft Teams

Operating Systems

  • Linux, Windows, MacOS, WSL2

Certifications

  • Agile Methodologies (Infosys)
  • Java (Infosys)
  • JavaScript (Infosys)
  • Bootstrap (Infosys)

Languages

  • English: Professional Working Proficiency
  • Spanish: Native

Interests

I like to stay near a computer, since I wast a child no matter if it's for work or fun. I have a YouTube Channel and more than 7k subs. So I have skills to record and produce video tutorials.

I also involved in a League of Legends Team, I enjoy to play with my friends, and not everything is on the virtual world, I also enjoy drive and go out with my friends, in fact I love taking photos and my Instagram profile it's witness of that.

I usually take a leadership when it's need it and I also like to teach and help my classmates and co-workers