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John Simard

Fullstack Engineer

Ottawa, ON, Canada
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Lead Blockchain Developer

Apifiny

Contract05/2021 - 10/2022
  1. Devised an Ethereum smart contract and website that allowed over 3.9K developers to sell software licenses using 17 embeddable widgets. Created a wide modular trading engine to auto-rebalance RW's $45M portfolio utilizing private and public market makers on the Ethereum network. Conceptualized software licenses on the blockchain to discourage piracy by enabling a secondary peer-to-peer marketplace, which allowed 8.6K developers to accept cryptocurrencies. Improved gas savings from token transfers by 85% using encoding design inspired by the Dexlabs Protocol on Solana Blockchain. Planned smart contract and managed whole development for NFT marketplaces on • Solana using Rust.
Senior Full Stack Developer

Gearheart Inc.

Full time09/2019 - 05/2021
  1. Increased the 180-character display name limit in a popular app, which impacted 2M users in three days. Analyzed code to enable 15 keyboard shortcuts for two mobile apps using Objective-C and Swift. Designed and developed 30+ front-end and back-end applications utilizing React.js, Node.js, and TypeScript Reduced the time to diagnose customers server issues from 72 hours to 45 minutes, slashing $200K yearly in support costs.
Senior Front End Developer

Innovature

Full time02/2018 - 09/2019
  1. Added an average of 25% increase in annual company revenue with an average of 15 clients per month. Implemented 20+ front-end Web Interface for engineers and test-ops to control and monitor the onboard system. Analyzed and optimized performance bottlenecks in 8+ existing backend systems, such as database queries and storage solutions, to increase responsiveness. Led transition from Firebase to AWS, saving company $3,700+ monthly and increasing load speeds by an average of 38%. Collaborated on Complexity Score tool, which removed process bottlenecks by assigning scores to cost, time, and compliance issues, increasing efficiency by 72%.
React Front End Developer

Gecko Dynamics

Full time10/2017 - 10/2018
  1. Revamped Growthsi homepage using HTML, CSS, and JavaScript; the site records 10M weekly views. Overhauled the company's checkout page, which processes $20M daily revenue, by upgrading its payment code. Developed an altered clustering algorithm capable of loading and generating 10B observable location data points. Engineered a client's items comparison page using React.js, CSS, and HTML for the launch of 27 newly released products.

Education

University of Waterloo

Computer Science

10/2011 - 10/2016Bachelor's DegreeClass of 2016

My projects

Polkawar

portfolio show

PolkaWar is a blockchain based NFT gaming platform and marketplace. Inspired by the recent crypto NFT and gaming narratives.

Role: Full Stack Developer

Completed: 6/2022

Live project: https://polkawar.com

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Skills
BlockchainEthereumSolidityRustReact.jsNode+npmGithubDockerAWSPHP
ExperienceSenior-level8+ years
Hourly rate$70/hr

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