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Andrew – Ruby on Rails, Ruby, AWS, experts in Lemon.io

Andrew

From Costa Rica (GMT-6)

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Full-stack Web DeveloperSenior
Hire developer
14 years of commercial experience
Automotive
Blockchain
Consulting services
Transportation
B2B
Embedded software
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Andrew – Ruby on Rails, Ruby, AWS

Meet Andrew; he is a Senior Full-stack Web Developer, intensely proficient in React, Ruby, and Ruby on Rails. He has also been involved with blockchain and cryptocurrency since early 2011 and eventually developed a career and passion within the industry. According to our technical interviewer, Andrew possesses good analytical and problem-solving skills. He has a great understanding of the entire development cycle and can easily manage himself and make critical technical decisions. On top of that, Andrew is a passionate professional with great interpersonal skills and a positive mindset primarily oriented toward business needs.

Main technologies
Ruby on Rails
6 years
Ruby
10 years
AWS
13 years
React
4 years
JavaScript
9 years
Additional skills
Node.js
C++
Python
Blockchain
Vue.js
DevOps
Database design
REST API
Cyber security
Google API and Services
Docker
ElasticSearch
PostgreSQL
SQL
Shopify
Rust
GraphQL
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

CEO / Founder / Senior Software Developer
May 2017 - Ongoing7 years 1 month
Project Overview

A boutique development firm specializing in cutting-edge blockchain technology, web[app] development, and automated scaling infrastructure deployments. Regardless of the scale or complexity of the issue/project, we will either provide a direct fix or concise technical consulting that can save clients hours of frustration.

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Responsibilities:
  • Managed network security;
  • decentralized cloud infrastructure setup;
  • developed blockchain/smart contracts;
  • took accountability for database design/backups;
  • carried on uptime monitoring / alerting and logging management.
Project Tech stack:
AWS
JavaScript
Node.js
Ruby on Rails
Ruby
Database design
DevOps
Blockchain
Smart contracts
Nginx
Google API and Services
Contract Testing
REST API
C++
Cyber security
Crypto
Senior Full-stack Developer
Dec 2018 - Jul 20223 years 6 months
Project Overview

A blockchain-based company that maintains DeFi applications on EOSIO-based networks. They created and launched the UX Network blockchain focused on B2B and predictable network resource management.

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Responsibilities:
  • Helped build custom software to support the company's various blockchain-related services and protocols;
  • created command line tools, Electron-based applications, and EOSIO smart contracts;
  • managed his projects from source development to product packaging and deployment.
Project Tech stack:
C++
Node.js
JavaScript
Vue.js
React
Project management
Crypto
Blockchain
Smart contracts
Electron.js
Socket.io
GraphQL
Tech Lead
Jun 2019 - Jan 20206 months
Project Overview

A social blockchain coded in C++ and uses the Graphene, Boost, and FC libraries. It has a thriving ecosystem of over a hundred apps, communities & projects and is home to some of the most-used Web3 apps in the world.

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Responsibilities:
  • Inspired, coded, and managed the creation of their blockchain; a fork of the Steem blockchain successfully (there are plenty of news/web articles detailing the story; including Andrew's involvement);
  • created a new system based on a snapshot right before the takeover;
  • helped to organize 20+ individual, remote developers, enthusiasts, hobbyists, and more to create an entirely new blockchain;
  • coordinated behind the scenes with the blockchain core developers and put together the necessary code and patches that would essentially set back the blockchain and create and new starting point for an entirely new network.
Project Tech stack:
C++
Senior Back-end Developer
May 2015 - Sep 20172 years 3 months
Project Overview

It directly monitors and communicates vital vehicle information through a wireless, easy-to-install, plug-and-play OBD-II device, website, and mobile app. You can locate your car instantly with your phone, get an alert when your teenager is driving too fast, and get help quickly if you're in a crash, much like OnStar.

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Responsibilities:
  • Built new APIs, integrated with remote APIs, embedded hardware design and development;
  • set up and managed scalable automated deploys in a cloud network (AWS);
  • performed technical interviews for employment screening and provided onboarding and training support for new hires.
Project Tech stack:
Ruby on Rails
Ruby
AWS
Project management
API
Bash
DevOps

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