Hi, my name is

Dainel Vera,

A Software Engineer Building Disruptive Tech.

With over a decade of experience, I bring a versatile skill set in developing web applications, embedded systems, and everything in between for small businesses and start-ups.

About Me

Hi there! My name is Dainel and I am a software engineer located in Denver, CO. I really enjoy creating innovative software and have recently worked on projects such as building Ecommerce Marketplaces, Bitcoin ATMs, SaaS Platforms, Crypto Wallets, and more. If you're interested in seeing some of my favorite projects, please take a look below.

If you have a software project in mind or just want to chat, feel free to contact me through social media or send me an email.

Here are a few technologies I enjoy working with:

  • Ruby on Rails
  • Crystal
  • Node.js
  • Python
  • HTML & (S)CSS
  • Vue.js

Where I've Worked

Software Engineer @ Angle

June 2020 - December 2022
  • Spearheaded the end-to-end development of an innovative global online marketplace connecting 1000+ professional photographers with customers in 500+ cities, designing it to adapt to evolving business needs.
  • Assumed responsibility for maintaining the existing codebase of a ReactJS application, implementing critical bug fixes and performance enhancements, and ensuring a seamless experience for active users.
  • Strategically extracted sales and marketing insights by designing complex data relationships in the legacy Firestore database, leading to a 25% increase in conversion rates and helping drive informed decisions for the new platform.
  • Orchestrated the containerization (Docker) of the backend and deployment system, implementing multi-layer architecture and achieving a 60% reduction in deployment time while enhancing scalability and reliability.
  • Implemented cost savings initiatives by migrating databases and optimizing infrastructure utilization.
  • Collaborated as a liaison between cross-functional teams, proficiently gathering requirements and facilitating essential analysis.

Lead Engineer / Co-Founder @ HODL Wallet

April 2018 - September 2019
  • Led and managed a dedicated team in developing an Android and iOS open-source wallet exclusively for Bitcoin, overseeing the implementation of advanced security features and achieving 100K+ downloads with an average rating of 4.0 stars.
  • Developed a comprehensive ReactJS website knowledge base for wallet users, enhancing user understanding and reducing support requests.
  • Sustained hands-on involvement in application upkeep and open-source library management, conducting regular code reviews and contributing to community forums to ensure product stability and user satisfaction.
  • Conceptualized and produced practical prototypes to validate product ideas, resulting in multiple successful feature implementations and driving user engagement.

CTO / Co-Founder @ Bitstop

August 2014 - September 2019
  • Engineered a robust Bitcoin ATM SaaS platform from the ground up, expanding the network to over 2700 ATM machines across 39 states.
  • Led a diverse team of 6 developers, achieving milestones ahead of schedule through effective recruitment and mentoring.
  • Architected and strategized various software projects throughout their lifecycle, implementing advanced algorithms and optimizing performance.
  • Collaborated with leading Kiosk machine manufacturers to streamline custom software deployment on bare metal, reducing installation time and enhancing the franchisee experience.
  • Established and hosted Miami's inaugural Bitcoin Hackathon, attracting thousands of participants and fostering the growth of the local blockchain community.

Web Developer / Co-Founder @ The Plantain

March 2016 - October 2018
  • Established and managed a distributed WordPress multisite network, enabling the creation of multiple satirical news platforms.
  • Skillfully managed infrastructure and systems to accommodate exponential website growth, adeptly handling concurrent traffic from hundreds of thousands of visitors.
  • Innovated and executed a journalistic drop portal for secure private source communications.

Web Developer @ iAnalyst

July 2012 - July 2014
  • Developed WordPress themes from static designs using primarily HTML, CSS, and jQuery.
  • Built WordPress Plugins to meet clients' business needs.
  • Maintained multiple Dedicated and VPS Linux servers hosting more than 80 active client websites.
  • Offered customer support through an email ticketing system.

Web Developer @ Oasis Media Group

May 2010 - October 2011
  • Transformed static designs into dynamic WordPress themes by proficiently utilizing HTML, CSS, and jQuery.
  • Engineered tailored WordPress plugins, aligning with clients' specific business needs and preferences.
  • Pioneered a white-label multi-agency management system.
  • Orchestrated the administration and upkeep of numerous Dedicated and VPS Linux servers hosting over 300 active client websites.
  • Delivered exceptional customer support via an efficient email ticketing system.

Some Things I've Built

Angle Platform

Design and develop an ecommerce platform that allows professional photographers from around the world to showcase their work and connect with potential clients. This platform is accessible in more than 550 cities, providing a vast network of 800+ photographers for customers to choose from.

  • Ruby on Rails
  • Node.js


I was previously the CTO of Bitstop, a Florida-based Bitcoin ATM company that aims to make Bitcoin easily accessible. During this time, I helped develop the infrastructure to support a network of ATMs, managed a team of 6 developers, organized and hosted Miami's first Bitcoin hackathon, and deployed and managed a network of 200 Bitcoin ATMs.

  • Crystal
  • Ruby on Rails
  • Node.js
  • Python
  • .NET

HODL Wallet

HODL Wallet is a free, open-source, and decentralized Bitcoin wallet available for both iOS and Android. I have been involved in the project from its inception, and took the lead on developing the prototype, which was a bitcoin-only fork of the original BRD wallet. I also helped transition the development to an in-house team and create landing pages. The iOS market was lacking a decentralized Bitcoin wallet, and we saw an opportunity to fill this gap with HODL.

  • Swift
  • Java
  • C
  • Node.js

The Plantain

I assisted in establishing a WordPress multisite for a Miami-based satirical news website that parodied The Onion. The website was created by a group of friends with the goal of raising awareness of local news through humor. As part of my involvement, I also ensured the website's uptime was maintained.

  • Wordpress
  • Ruby
  • PHP

Open Source Projects

Kamal Maintenance

Kamal accessorie to put any web app into maintenance mode.

  • Docker

Homebrew Kamal

Homebrew Tap for Kamal, Mac and Linux Support.

  • Brew
  • Ruby


A Discord Bot to easily find Game Guides directly in chat.

  • Node.js

IGN search proxy

Small google search proxy for ign.com and ign.com/wikis.

  • Ruby

Secret Splitter

Shamir's Secret Sharing with offline support.

  • HTML
  • jQuery

Random Crypto Picker

A simple tool that picks a random Crypto-Pair for you.

  • Node.js
  • HTML
  • jQuery

Tipcoin Core

Experimental Open Source Blockchain for P2P Tipping.

  • C++


A Crystal shard for communicating with the Twilio API.

  • Crystal


Hunter.io API wrapper for Crystal-Lang.

  • Crystal

Foxhole Artillery Calculator

Simple Foxhole artillery distance and azimuth calculator.

  • HTML
  • jQuery


Experimental fishing bot for World of Warcraft Classic.

  • Python

Get In Touch

I’m currently looking for new opportunities as a backend engineer. Interested in collaborating or have a question? Say hello!

Say Hello