Denis Dzib
es
01. Background

Engineering High-Scale Web Architecture High-Scale

I am a passionate Lead Full Stack Engineer with a background in Mechatronics Engineering, which gives me a unique perspective on problem-solving and systems architecture. My journey spans from building complex POS systems with Django to modernizing enterprise backends using NestJS and Hexagonal architecture.

I thrive on solving complex problems and staying up-to-date with the latest industry trends. Whether it's architecting a new system or optimizing existing code, I am committed to delivering high-quality solutions that exceed expectations and drive business growth.

Meet with MeSchedule a 30-min call
02. Methodology

Technical Workflow

A structured approach to building robust, scalable, and maintainable software solutions.

Strategic Planning

Defining project goals, architecture, and technology stack for optimal performance.

Modern Development

Using atomic design and component-based paradigms to build modular systems.

Testing & QA

Ensuring code reliability through comprehensive unit and integration testing.

Deployment & Monitoring:

Ship via zero-downtime CI/CD, then monitor in production to feed the next iteration.

Continuous improvement through feedback loops and evolving needs.

03. Expertise

Tools & Technologies

A list of my technical arsenal and the tools I use to bring ideas to life

API Design & Legacy Integrations

Architecting robust, scalable APIs and seamlessly integrating modern interfaces with legacy systems.

SaaS MVP Development

Rapid prototyping and development to take your ideas to market in 6 weeks without compromising on quality.

Performance Optimization & Cloud

Designing resilient cloud architectures and optimizing existing systems for maximum performance and cost-efficiency.

Backend

  • Python
    Python (Django/FastAPI)
  • Node.js
    Node.js (NestJS/Express)
  • .NET
    C# (ASP.NET/Core)
  • TypeScript
    TypeScript
  • Swagger
    Hexagonal Architecture

Frontend

  • React
    React / React Native
  • Astro
    Astro
  • Angular
    Angular
  • HTML5
    HTML5 / CSS3
  • Tailwind CSS
    Tailwind CSS
  • JavaScript
    JavaScript (ES6+)

Databases & ORM

  • PostgreSQL
    PostgreSQL
  • Prisma
    Prisma
  • Sequelize
    Sequelize
  • .NET
    Entity Framework
  • SQLite
    SQLite
  • MongoDB
    MongoDB

Cloud & DevOps

  • Docker
    Docker / Docker Compose
  • Serverless
    AWS (S3/Lambda/Dynamo)
  • GitHub Actions
    CI/CD (GitHub Actions)
  • Swagger
    RESTful APIs
  • Git
    Git
05. Journey

Professional Path

A chronicle of my professional growth, from explorations to leading technical initiatives

  1. URBANI

    Backend Developer

    Aug 2025 – Jun 2026 · Monterrey, México (REMOTO)

    • Migrated a core backend service from Express (JavaScript) to a TypeScript/NestJS stack utilizing Prisma and PostgreSQL.
    • Implemented Hexagonal architecture to improve code maintainability and development velocity.
    • Integrated and optimized consumption of external APIs leveraging asynchronous processing to reduce response times.
    • Developed foundational modules with Sequelize and PostgreSQL to securely consume and aggregate internal services.
  2. FREELANCE

    Full Stack Developer

    Sep 2024 – Jul 2025 · Campeche, México (REMOTO)

    • Developed a comprehensive RESTful API for a hotel management system, built with C#.NET, .NET Core, SQLite, and Entity Framework.
    • Designed and built high-performance client portfolios using the Astro Framework, leveraging Tailwind CSS for modern UI/UX.
    • Ensured SEO optimization and fast load times through static site generation and component-based design.
  3. RODAI

    Software Developer

    Jul 2021 – Jul 2024 · Mérida, México (REMOTO)

    • Engineered a full-scale POS (Point of Sale) system with Django, Django REST Framework, and PostgreSQL, including mobile integration.
    • Developed an online/offline ticket system in React Native featuring automatic synchronization and zero data loss.
    • Automated workflows using AWS Lambda and Hubspot API for efficient CRM management.
    • Led the development of a custom drag-and-drop tax handler for international clients using C#.NET and Angular.
    • Refactored legacy React Native applications, implementing Figma designs and improving business logic efficiency.
04. Selected Work

Real-World Solutions

A showcase of digital experiences I've built, merging technical precision with intuitive design.

Full-Scale POS System

A comprehensive Point of Sale system built with Django and PostgreSQL, featuring AWS S3 integration and mobile app endpoints.

DjangoPostgreSQLAWSPython

Hotel Management API

A robust RESTful API for hotel operations, developed with C#.NET Core and SQLite, featuring secure authentication and role management.

C#.NET CoreSQLiteREST

Offline-First Ticket System

A React Native application designed for synchronization between offline and online states, ensuring zero data loss during connectivity transitions.

React NativeSQLiteMobile
05. Ecosystem

Professional Collaborations

Companies and teams I have worked with as part of my career journey.

Urbani
Rodai
TechCorp
Innovate SaaS
GlobalScale
06. Get in Touch

Let's Connect Together

I'm open to discuss new projects, creative ideas or opportunities to be part of your vision.

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