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steven-mendoza-z/README.md

Hi, I'm Steven Mendoza

Backend Engineer focused on API-driven systems, system design, and infrastructure-aware development.

I work on backend systems within production SaaS environments, translating product requirements into structured backend solutions within established architectural constraints. Beyond professional work, I design and evolve systems across the full lifecycle, from requirement analysis and system modeling to implementation and deployment workflows.

🧠 Engineering Focus

  • API design & backend architecture
  • Domain modeling & business logic structuring
  • Infrastructure-aware application design
  • Multi-tenant & organization-scoped systems
  • Containerized deployments & CI/CD workflows

💻 Tech Stack

Backend & Databases

Data modeling · Authentication (JWT, OAuth2) · Real-time services

Python · Django REST + Channels · .NET · PostgreSQL · Redis · MongoDB

Python Django .NET Postgres MongoDB Redis

Infrastructure & DevOps

Environment isolation · Reproducible deployments · CI/CD automation

Docker + Docker Compose · Nginx · Google Cloud · GitHub Actions

Docker Nginx Google Cloud Github Actions

Frontend

React Flutter JavaScript

🏗️ Selected Systems

Architecture, design decisions, and system diagrams are documented in the repositories.

Hermes Services

DevOps-as-Code platform for orchestrating multi-server service deployments through declarative infrastructure definitions and automated CI/CD workflows. (Platform) (PyPI Framework Package) (Service Repo) (Package Repo)

Quackternion

Backend-driven 3D simulation platform using quaternion-based transformations with PDF/LaTeX export. (Platform) (Repo)

Eulerian Hades

Backend-focused learning platform designed for modular growth and long-term maintainability. (Platform) (Repo)

🚧 Currently Building

Working on backend systems across multiple domains, covering the full lifecycle from requirement analysis to system design and implementation:

  • Production SaaS platforms (.NET), including domain modeling and feature delivery
  • DevOps tooling and deployment automation (Hermes ecosystem)
  • Domain-specific SaaS platforms
  • Network protocol tooling and developer interfaces

Pinned Loading

  1. hermes-deployer hermes-deployer Public

    DevOps-as-Code framework for orchestrating multi-server deployments via YAML-defined infrastructure and a Python CLI (published on PyPI).

    Python 3

  2. hermes-deploy-service hermes-deploy-service Public

    Platform powered by hermes-deployer for managing deployments, orchestrating services, and coordinating CI/CD workflows.

    JavaScript 3

  3. quackternion quackternion Public

    Quaternion-based simulation platform for 3D spatial transformations, with automated LaTeX/PDF generation of step-by-step solutions.

    Python 4

  4. eulerian-hades eulerian-hades Public

    Modular learning platform for managing educational content, problem sets, and mathematical expression evaluation.

    HTML 3

  5. cpu-4bit-architecture cpu-4bit-architecture Public

    Design and simulation of a 4-bit CPU architecture built from logic gates to a programmable Turing-complete system.

    Python 1

  6. home-proxy home-proxy Public

    HTTPS Proxy Server with a web-based admin panel for managing local networks.

    TypeScript