Dany Caissy, Developer in Montreal, QC, Canada
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Dany Caissy

Verified Expert  in Engineering

Software Developer

Location
Montreal, QC, Canada
Toptal Member Since
April 27, 2017

Dany has over 13 years of experience in tech, working as a software developer, product manager, technical interviewer, and more. Dany's also done product management work in different capacities—leading software projects as a senior developer or during his time at ThemeIsle. At ThemIsle, Dany improved the profitability of some of the most popular WordPress plugins, making the top 10 list with 300,000 active users.

Portfolio

Pinpointe On-Demand, Inc
PHP, JavaScript, LAMP, MySQL, MariaDB, Reporting, Analytics, Vue, MongoDB
Multiple Clients
PHP 7, Laravel, JavaScript, MySQL, Product Management, Web Project Management...
ThemeIsle
Product Management, Project Management, Scrum, MySQL, Agile, Kanban, GitHub...

Experience

Availability

Part-time

Preferred Environment

Postman, SQLyog, Linux, Windows, Git, PhpStorm

The most amazing...

...project I've worked on was Quickpages.co—it provides a free service and is now being used by tens of thousands of people!

Work Experience

Senior Development Engineer – Analytics and Reporting

2023 - PRESENT
Pinpointe On-Demand, Inc
  • Reworked and optimized several reports using Chart.js, enhancing performance by over 60%.
  • Streamlined data processing code on large custom codebase with over 1 million lines.
  • Enhanced page loading speed by optimizing queries for a large MariaDB database exceeding 1TB, resulting in 50-90% faster execution times on critical pages through index optimization, query grouping, and database denormalization.
Technologies: PHP, JavaScript, LAMP, MySQL, MariaDB, Reporting, Analytics, Vue, MongoDB

Software Engineer | Product Manager | Talent Screener

2017 - PRESENT
Multiple Clients
  • Worked with or led a team to develop an application from the ground up, typically with PHP and Laravel but sometimes with Python and Node.js (software engineer).
  • Worked with the client to identify stories and epics, created and managed tasks, identified resources needed, and used Scrum or Kanban to deliver the project (technical project manager).
  • Managed the transition of projects to the cloud (AWS and Digital Ocean) or other cloud-related tasks.
  • Helped various companies in regard to hiring and interviewing candidates. Helped companies like NASA, Nestle, Walmart, Deel, and more find the best candidates for their roles.
Technologies: PHP 7, Laravel, JavaScript, MySQL, Product Management, Web Project Management, Talent Management, Amazon Web Services (AWS), DigitalOcean, HTML, CSS, Apache, LAMP, Databases

Product Manager

2019 - 2020
ThemeIsle
  • Conducted user research including creating surveys and interviewing users.
  • Performed multiple competitors and market analyses for multiple projects.
  • Managed multiple projects, using the Kanban methodology.
  • Defined the product direction including which features to include and in which release.
  • Communicated and collaborated with multiple teams (QA, marketing, content, and so on).
  • Wrote documentation about new features, including API documentation.
  • Managed automated emails to new and existing users, workflows and more.
Technologies: Product Management, Project Management, Scrum, MySQL, Agile, Kanban, GitHub, Asana, API Documentation

Technical Interviewer | Mentor

2016 - 2019
Thinkful
  • Gave practice technical interview to programming students (we even use Toptal interview questions sometimes).
  • Reviewed student portfolio projects (necessary to pass the course).
  • Provided mentorship, tips, and tricks in regards to the job market and interviews in general.
  • Guided students through team projects acting as the product owner (project manager) using the Scrum methodology.
Technologies: Product Management, Scrum, Agile, MySQL, Project Management, CSS, HTML, JavaScript, Node.js, Interviewing

Senior Software Developer

2015 - 2017
TapClicks
  • Integrated complex API providers with our platform (AdWords, Analytics, DFP, Instagram, Pinterest, Bing, Yahoo, and more).
  • Optimized the processing of data and queries on large databases (2TB+ Redshift database).
  • Led and designed important platform features and used project management tools such as Jira.
  • Mentored and code-reviewed newer developers on the platform.
  • Wrote the code challenges used during the interview process for potential employees.
Technologies: Product Management, Amazon Web Services (AWS), Scrum, Agile, JavaScript, API Development, SOAP, REST, Magento, Linux, Redshift, PostgreSQL, Git, MySQL, Project Management, Python, PHP, API Documentation, APIs, Writing & Editing, LAMP, Apache, Databases

Senior Software Developer

2013 - 2015
SekureCard Services
  • Defined the requirements in collaboration with C-level executives of a 500+ person company.
  • Implemented major database changes affecting hundreds of pages while maintaining data integrity.
  • Optimized complex reports using tables of several million rows.
  • Created complex, interactive pages using Ajax and jQuery.
Technologies: Project Management, Scrum, Agile, API Development, jQuery, Ajax, MySQL, JavaScript, PHP, Databases

Web Developer

2013 - 2013
Valnet
  • Developed single-handedly an important (featured on front page) section of a website with 15 million visits a month.
  • Optimized several MySQL queries and occasionally used Memcached for a critical, higher-traffic functionality.
  • Participated in design discussions.
  • Added major features on a high-traffic review site, Forlocations.com.
Technologies: API Development, Redis, Memcached, JavaScript, jQuery, Ajax, MySQL, PHP, Databases

Microsoft Dynamics AX Software Consultant

2012 - 2013
Thinkmax
  • Customized the complex ERP, software for large customers (+500 million revenue) on large data sets.
  • Developed large complex SQL queries to solve elaborate business requirements for leaders in their respective industry.
  • Worked concurrently on multiple projects for multiple clients.
Technologies: Enterprise Resource Planning (ERP), SQL, Databases

Web Developer

2010 - 2012
Progi
  • Added extended reporting features and contributed to a complex database schema containing over a 100 tables.
  • Presented to the company (30+) and participated in the implementation of Agile methodologies on the development team.
  • Mentored interns new to the company.
Technologies: API Development, MySQL, CodeIgniter, jQuery, JavaScript, PHP, Databases

Quickpages.co

http://quickpages.co
This landing page generator is free forever and is used by thousands of people. It was built entirely in Laravel and has been used by over 60,000 users.

It is hosted on AWS using services such as EC2, S3, RDS, Route53, and more.

SetFlairByKarma

https://github.com/DanyCaissy/Reddit/tree/master/setflairbykarma
A Reddit robot made in Python was used to assign flair colors to the comments of subscribers who were especially useful in the subreddit (community). Currently used on /r/cscareerquestions, the largest (1,000,000 subscribers) community for careers in computer science, which I moderate.
2010 - 2012

Bachelor's Degree in Computer Science

University of Quebec at Trois-Rivières - Trois-Rivières, Québec, Canada

2007 - 2010

Diploma of College Studies (DCS) in Computer Science

Cégep de Shawinigan - Shawinigan, Quebec, Canada

Libraries/APIs

API Development, DFP API, X (formerly Twitter) API, Google Analytics API, LinkedIn API, Facebook API, Yahoo! API, AdWords API, Instagram API, jQuery, Bing API, Pinterest API, Node.js, Nativo API, Facebook Marketing API, DoubleClick API, Twilio API, Vue

Tools

Asana, Apache, PhpStorm, Git, SQLyog, Postman, GitHub, Amazon CloudFront CDN, Composer, Google Webmaster Tools, Google Analytics

Languages

PHP 7, PHP, SQL, HTML5, HTML, JavaScript, Python, CSS, Java, C++, C

Paradigms

Kanban, Design Patterns, Search Engine Optimization (SEO), Agile, Scrum, On-page SEO, Unit Testing, REST

Platforms

LAMP, Amazon Web Services (AWS), Windows, Magento, Amazon EC2, Sizmek, Marketo, Linux, DigitalOcean

Storage

JSON, MySQL, Databases, PostgreSQL, Redshift, Memcached, Redis, Amazon S3 (AWS S3), MariaDB, MongoDB

Frameworks

PHPUnit, Laravel, Slim, CodeIgniter, Bootstrap, JSON Web Tokens (JWT), Flask, Eloquent, Symfony

Industry Expertise

Project Management

Other

APIs, API Integration, Team Mentoring, Ajax, Back-end, Web Development, Product Management, Writing & Editing, API Documentation, SOAP, Interviewing, Enterprise Resource Planning (ERP), Semrush, Blade, eCommerce, Web Project Management, Talent Management, Software Engineering, Reporting, Analytics

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