Full-stack Software Consultant
2016 - PRESENTCodename Labs- Created a dashboard-style platform for restauranteurs to monitor their online delivery order performance across marketplaces.
- Prototyped a cross-platform mobile application for the aviation industry to digitize cockpit activities for small-plane pilots.
- Developed order-processing software for a uniforms distributor that reduced order processing time by 90% and handled over $10,000 in sales volume per month.
- Overhauled a leading Canadian influencer advertising platform.
Technologies: Firebase, Cross-platform, Dart, Flutter, PostgreSQL, MySQL, Laravel, Single-page Applications (SPA), React, Vue.js, ECMAScript (ES6), Node.js, TypeScriptFull-stack TypeScript Developer
2018 - 2019Tactio Health Group- Architected a modular single-page-app stack to replace legacy web architecture.
- Mentored junior developers to become capable contributors to the new web stack while codifying best practices.
- Audited back-end security practices and initiated a major rewrite to ensure strict compliance with health data regulations.
Technologies: JSON Web Tokens (JWT), InversifyJS, Express.js, Node.js, ES8, Vue.js, TypeScriptFull-stack Web Developer, Initiative Owner
2016 - 2018FlightHub- Overhauled a failure-prone, outdated, and mission-critical revenue calculator to reduce $500,000 in annual errors by over 90%.
- Developed a user-friendly single-page web app for which a team of 12 quality assurance agents was hired.
- Optimized an internal booking search tool to reduce average response time from seven seconds to 300 milliseconds with a significant MySQL load decrease.
- Led the initial implementation of BI by developing real-time dashboards, administering SiSense, and training other teams for it.
- Balanced expectations across departments while writing specifications and delivering quality.
Technologies: Sisense, MySQL, Single-page Applications (SPA), Vue.js, ECMAScript (ES6), JavaScript, PHP
Oliver Walerys
Single-page Applications (SPA) Developer in Montreal, QC, Canada
Member since April 17, 2019
Oliver is a passionate full-stack web and cross-platform mobile developer with years of experience delivering software from MVPs to million-user web apps. His experience spans a variety of industries, including travel, medical, and social media. He prides himself on regular communication and high-quality deliveries.
Oliver is now available for hire
Portfolio
- Codename LabsFirebase, Cross-platform, Dart, Flutter, PostgreSQL, MySQL, Laravel...
- Tactio Health GroupJSON Web Tokens (JWT), InversifyJS, Express.js, Node.js, ES8, Vue.js, TypeScript
- FlightHubSisense, MySQL, Single-page Applications (SPA), Vue.js, ECMAScript (ES6)...
Availability
Part-time
Preferred Environment
VS Code, Ubuntu Linux, MacOS
The most amazing...
...system I've refactored was a mission-critical profit margin calculator with dozens of complex business rules.
Employment
Experience
- Acelerate (Development)https://acelerate.io
Acelerate empowers restauranteurs to make sense of their delivery business through a bespoke platform that gives them visibility on performance across food delivery marketplaces.
- 66Agency (Development)https://66agency.com
Canada's leading influencer advertising platform allows marketers to partner with top Instagram talent across the country.
- Captain's Numbers (Development)
Captain's Numbers is a mobile application designed to make flight-planning easier for small-plane pilots.
Skills
Languages
PHP 7, ECMAScript (ES6), SQL, JavaScript, CSS, HTML, Dart, PHP, TypeScript, ES8, ES7Frameworks
Laravel, Bootstrap 3, Next.js, Bootstrap 4, Flutter, Express.js, JSON Web Tokens (JWT), AngularLibraries/APIs
Vue.js 2, Vuex, Vue.js, Node.js, React, Puppeteer, InversifyJSTools
NPM, Git, VS Code, Sisense, PhpStorm, Vagrant, ComposerPlatforms
Linux, Mac OS, Ubuntu, Visual Studio Code, iOS, Firebase, MacOS, Ubuntu Linux, DockerStorage
MySQL, PostgreSQL, Google Cloud, AWS S3Industry Expertise
Web DevelopmentOther
Front-end, Vue-router, Single-page Applications (SPA), RESTful APIs, Web Scraping, Queue Management, Mobile App DevelopmentParadigms
Reactive Programming, Agile, REST, Mobile Development, Cross-platform
Certifications
- Internet Business AssociateFEBRUARY 2013 - PRESENTCIWcertified
