Hi, I'm LeivSuaxy

Backend Web Developer

3+ years as a software developer

As a backend web developer, I thrive on building reliable APIs and services, while also creating scripts that automate repetitive tasks and streamline operations. I’m passionate about writing clean, maintainable code and architecting solutions that scale effortlessly as projects grow.

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Experience

E-Commerce

Es Aki Backend System

Startup

System built on Nestjs with Payments integration, OAuth, and a custom admin panel.

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E-Commerce

Es Aki Backend System

Startup

System built on Nestjs with Payments integration, OAuth, and a custom admin panel.

Visit Site

Student managment

Akademos

Enterprise

Development of modules for the Academic Management System at the University of Informatics Sciences, Cuba.

Student managment

Akademos

Enterprise

Development of modules for the Academic Management System at the University of Informatics Sciences, Cuba.

Projects

doctoskill

open-source tool that transforms OpenAPI / Swagger specifications (JSON) into structured agent skills

PythonAISkills

Code

RFIDentity

A comprehensive RFID-based identity management system for secure access control and user authentication.

ArduinoRustPythonQtSQLite

Code

pytoque

A Python library for manage petitions to the Eltoque API or scrap the website

Python

Code Live Demo

Code Demo

E-vent Horizon

E-vent Horizon is a web application with the purpose of managing events and managing their assistance.

ReactNextjsC#ASP.NETPostgreSQL

Code Live Demo

Code Demo

POS System

A Point of Sale system for managing sales, products, and dispatchers

C#ASP.NETPostgreSQLBlazor

Leiva Moto Stickers

Small business page developed for my father's business.

AstroNestJsSupabase

Live Demo

Demo

What I Can Do for You?

First things first

As a software engineer, I design and implement clean, scalable solutions to address today's most pressing challenges. By prioritizing code quality and maintainability, I ensure each product not only meets but exceeds my clients' expectations.

Web Systems

ASP.NETDjangoNestjs

Modular, maintainable code that makes future enhancements easy. Integration with payments gateways, authentication systems, and third-party services.

API Builder

DRFASP.NETExpressFastAPI

Well-documented endpoints with Swagger/OpenAPI. Robust authentication & authorization (JWT, OAuth, Api Keys).High availability and performance.

Telegram Bots

Python.NETNodejs

24/7 automated alerts & notifications. Interactive flows using inline buttons and custom menus.Integration with your external systems.

Automated Scripts

PythonNodejsC#

100% automation of repetitive tasks to save you time.Integration with APIs (web scraping, email dispatch, report generation).Scheduled jobs via cron or cloud-based task runners.

Scalable Databases

PostgreSQLMongoDBMySQL

Schema design and normalization for data consistency.Automated replication & backups. Indexing and query optimization for performance. Monitoring with tools like pgAdmin.

Desktop Solutions

.NETJavaPython

Native or cross-platform apps with a seamless user experience. Integration with local hardware. Offline-first capabilities with sync on reconnect.

Technical Stack

These are the technologies I specialize in and use regularly in my projects.

Frontend

7 technologies

Backend

7 technologies

Tools

8 technologies

Contact Me

Let's get in touch

Do you have an idea for a project? Are you looking for a developer to collaborate? I am always interested in listening to new proposals and challenges. Share your ideas and see how we can work together to make them come true.

Ready to start your next project?

Let's connect and bring your ideas to life!

Connect with me

jleivsuaxy@gmail.com

GitHub

@LeivSuaxy

Professional Profile

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@leivsuaxy