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

Global Logic

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

Black Bull Markets

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

Infosys

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

DIC CONSULTORES

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

Platzi Courses

Profile

January 2019 - Present

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