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2016 - 2018FlightHub- Overhauled a failure-prone, outdated, and mission-critical revenue calculator to reduce $500,000 in annual errors by over 90%.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, 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, ComposerParadigms
RESTful Development, Reactive Programming, Agile, REST, Mobile Development, Cross-platformPlatforms
Linux, Mac OS, Ubuntu, Visual Studio Code, iOS, Firebase, MacOS, Ubuntu Linux, DockerStorage
JSON, 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 Development
Certifications
- Internet Business AssociateFEBRUARY 2013 - PRESENTCIWcertified
