Senior Full-Stack Engineer

Senior Full-Stack Engineer with 14+ years building scalable web & mobile apps. Ruby on Rails, React, AWS. Open Source contributor.

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Projects

Things I've built — from Rails backends to React frontends.

> Inevitable, Mr. Anderson.

// OPEN_SOURCE

[01] REPOONLINE

dan1d.dev

This portfolio — an open-source 3D portfolio built with Next.js and React Three Fiber.

  • Next.js
  • Three.js
  • React Three Fiber
[02] REPOONLINE

py_bridge

Call Python functions from Elixir over stdin/stdout using JSON-RPC 2.0. Zero dependencies. Supervisor-friendly. Crash-resilient.

  • Elixir
  • Python
  • JSON-RPC
[03] REPOONLINE

omniauth-clover-oauth2

OmniAuth strategy for Clover POS OAuth 2.0 with TokenClient for easy token refresh (OmniAuth 2.0+ compatible).

  • Ruby
  • OmniAuth
  • OAuth2
[04] REPOONLINE

clover_sandbox_simulator

Ruby gem for simulating realistic restaurant POS operations in Clover sandbox environments. Generate orders, payments, and transactions for testing.

  • Ruby
  • Testing
  • Clover API
[05] REPOONLINE

omniauth-freshbooks-oauth2

OmniAuth OAuth2 strategy for FreshBooks with multi-business support, JSON token exchange, and single-use refresh token handling.

  • Ruby
  • OmniAuth
  • OAuth2
[06] REPOONLINE

omniauth-quickbooks-oauth2

OmniAuth strategy for QuickBooks Online OAuth 2.0 with TokenClient for easy token refresh (OmniAuth 2.0+ compatible).

  • Ruby
  • OmniAuth
  • OAuth2
[07] REPOONLINE

omniauth-xero-oauth2

OmniAuth OAuth2 strategy for Xero with multi-tenant support, OpenID Connect, and token refresh (OmniAuth 2.0+ compatible).

  • Ruby
  • OmniAuth
  • OAuth2
[08] REPOONLINE

@dan1d/dolar-mcp

MCP server for Argentine exchange rates — real-time dollar blue, oficial, MEP, CCL, crypto rates via DolarAPI. Currency conversion and spread calculator for AI agents. No API key required.

  • TypeScript
  • MCP
  • AI Agents
  • Finance
[09] REPOONLINE

@dan1d/mercadolibre-mcp

MCP server for MercadoLibre marketplace — search products, browse categories, trends across 18 LATAM countries. No API key required for public endpoints.

  • TypeScript
  • MCP
  • AI Agents
  • E-Commerce
[10] REPOONLINE

HackTheInterview

AI-powered real-time interview assistant — transcribes interviewer questions and generates suggested answers in real-time.

  • TypeScript
  • AI
  • Real-Time
[11] REPOONLINE

codeprism-cli

CLI for indexing codebases and pushing knowledge cards to a CodePrism engine.

  • TypeScript
  • CLI
  • Dev Tools
[12] REPOONLINE

epos_now_client

Ruby client for the Epos Now POS API (V4). Basic Auth, pagination, 10 resources, 100% test coverage.

  • Ruby
  • API Client
  • POS
[13] REPOONLINE

lbry-api-ruby

Ruby wrapper for LBRY and LBRYcrd APIs.

  • Ruby
  • Crypto
  • API Client
[14] REPOONLINE

omniauth-doordash-oauth2

OmniAuth strategy for DoorDash using JWT authentication.

  • Ruby
  • OmniAuth
  • OAuth2
[15] REPOONLINE

omniauth-gusto-oauth2

OmniAuth OAuth2 strategy for Gusto payroll.

  • Ruby
  • OmniAuth
  • OAuth2
[16] REPOONLINE

omniauth-lightspeed-oauth2

OmniAuth OAuth2 strategy for Lightspeed Restaurant (K-Series).

  • Ruby
  • OmniAuth
  • OAuth2
[17] REPOONLINE

omniauth-uber-eats-oauth2

OmniAuth OAuth2 strategy for Uber Eats.

  • Ruby
  • OmniAuth
  • OAuth2
[18] REPOONLINE

omniauth-wave-oauth2

OmniAuth OAuth2 strategy for Wave (by H&R Block).

  • Ruby
  • OmniAuth
  • OAuth2
[19] REPOONLINE

epos_now_sandbox_simulator

Ruby gem for simulating POS operations against the Epos Now V4 API. Generates realistic orders, payments, and transactions for sandbox testing.

  • Ruby
  • Testing
  • POS
[20] REPOONLINE

heartland_sandbox_simulator

Heartland Genius Restaurant POS sandbox simulator for SalesToBooks integration testing.

  • Ruby
  • Testing
  • POS
[21] REPOONLINE

lightspeed_sandbox_simulator

Lightspeed K-Series POS sandbox data simulator for development and testing.

  • Ruby
  • Testing
  • POS
[22] REPOONLINE

skytab_sandbox_simulator

SkyTab (Shift4) POS sandbox simulator for SalesToBooks integration testing.

  • Ruby
  • Testing
  • POS
[23] REPOONLINE

square_sandbox_simulator

Generate realistic POS data in Square sandbox — orders, payments, catalog, customers, refunds. Ruby gem with CLI + programmatic API.

  • Ruby
  • Testing
  • POS

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> INITIALIZING NEURAL MATRIX...

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Business Card

“I can only show you the door. You're the one that has to walk through it.”— Morpheus

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Daniel Alejandro Dominguez Diaz

Daniel Alejandro Dominguez Diaz

@dan1d

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