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In a quantum state between coding and procrastinating

Ben Orozco benoror

In a quantum state between coding and procrastinating
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benoror /
Last active Mar 5, 2020
Cover Letter - Ben Orozco -

Dear hiring manager,

I am a Computer Science Engineer specialized in Full Stack web development, passionate on launching end-to-end customer-driven software products, leading engineering teams and leveraging technology to tackle big real-world problems. Portfolio:

I am passionate of full stack development (APIs, backend, DevOps, front-end, UI/UX) for the past 9+ years, mainly in Ruby on Rails, Node.js, Elixir and Javascipt frameworks (React, Angular, Ember).

I am ready for my next career challenge! Some fun projects I have been part of that might be relevant:

  • Launched a Node.js Tax/Invoicing lambda micro-service in a couple of weekends that ended up replacing a big chunk of our Java monolith codebase and serving 1000's or requests per minute by relying on minimal footprint and horizontal auto-scaling. Developed using TDD and ~90% code coverage. Open sourced it here:
benoror / index.js
Created Dec 3, 2019
Simple self-auth Airtable Proxy in Node.js
View index.js
var express = require('express');
var proxy = require('http-proxy-middleware'); // This one does most of the heavy lifting
var axios = require('axios');
var base64 = require('base-64');
var cors = require('cors')
var options = {
target: '' + process.env.APP_ID, // Airtable ENV var
benoror / latency.markdown
Created Sep 1, 2019 — forked from hellerbarde/latency.markdown
Latency numbers every programmer should know
View latency.markdown

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns  = 250 µs
benoror / Heroku Release Phase script for managing Rails DB migrations, and playing nice with Review Apps and postdeploy scripts

Heroku Release Phase + Review Apps + Rails

This is a simplified, but fairly thorough, set of scripts and configuration to enable Heroku Release Phase for Rails apps. Further, this particular set up plays nicely with Heroku Review Apps in that the release phase script will:

  1. Fail, loudly, if the DB does not yet exist.
  2. Load the DB schema if the current schema version (as determined by bin/rails db:version) is 0.
  3. Run DB migrations otherwise.

For a "normal" app that usually means it will run the DB migrations.

benoror /
Last active May 17, 2019
Rails Model XOR Validation for "Custom" fields

XOR Validation

validate :disease_or_custom_disease


def disease_or_custom_disease
  custom_disease.blank? ^ disease_id.blank?
benoror /
Last active Feb 26, 2019
JSON:API ( resources for React + Redux
benoror /
Last active Jun 29, 2019
Sundly Sharing (read-only)

User Story

  • Alice adds Bob as a contact
  • Alice shares his data with Alice
  • Bob now can see Alice Profile & Timeline (timestamped) in their contacts


[  ](link-to-user-profile/timeline) [Share icon]
View gist:08162f1182845d3d41a494182044640a
Verifying my Blockstack ID is secured with the address 1DAj3qXbJRVG6WTSAJv7DSSN6f5uVwFqBG

Tech Spec: Cumulus Alpha 0.1


As explained in the original purpose doc, Cumulus aims to provide a centralized way for sharing health records in a way that a diversity of systems (a.k.a. consumers) can pull & push patient data in an organized way, thus keeping the health records updated and relevant throughout different healthcare providers and the patient itself.

TL;DR; Digital health information should follow the patient throughout modern healthcare providers, and not the other way around

Technology / Components Architecture

benoror /
Last active Jan 18, 2018
(DRAFT) Pre-Tech Spec: Custom Forms 2.5

(DRAFT) Pre-Tech Spec: Custom Forms 2.5


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