Mickaël Cassy
Paris, FR
mickael.cassy@gmail.com

Experienced CTO and developer with expertise in Ruby on Rails, SvelteKit, Terraform, PostgreSQL, Redis, Sidekiq, and Terraform. Proven ability to scale teams from 1 to 30, drive technical strategy, and deliver robust, scalable solutions. As co-founder of LinKapture, I built a LinkedIn data export tool to save time manually building lists of prospects.

Education


Scrum.org
Present
 — 
January 2019
undefined in Professional Scrum Master (PSM I)
EPITECH
January 2008
 — 
January 2013
undefined in Master’s Degree in Computer Science
Jönköping University
Present
 — 
January 2012
undefined in Exchange Program

Experience


CTO & Co-Founder
June 2024
 — 
Present
LinKapture

Developed and scaled LinKapture, a LinkedIn data export tool, by building a scalable GCP architecture with Terraform to enable multiple daily deployments, creating a browser extension for Chrome, Edge, and Firefox using SvelteKit, managing API, database, and payment systems, and driving product development and marketing initiatives.

  • Ruby on Rails
  • SvelteKit (TS)
  • Browser Extension (MV3)
  • GCP
  • Terraform
  • PostgreSQL
  • Redis
  • Tailwind CSS
Co-Founder & Specialized Recruiter
June 2019
 — 
Present
Remotal.io

Managed remote recruitment services and optimized hiring processes by conducting technical assessments of international developers, focusing primarily on talent from Eastern Europe (Ukraine, Belarus, Russia), and developing tools to streamline recruitment workflows, which ultimately inspired the creation of LinKapture.

  • Supabase
  • SvelteKit
  • Tailwind CSS
  • Remote Collaboration Tools
CTO
June 2016
 — 
June 2019
Effilab

Led the technical strategy and operations for Effilab’s marketing automation products by building a fully remote team of 30 professionals, including Scrum Masters, Data Scientists, DevOps, and Developers, spread across multiple locations such as Paris, Lyon, Ukraine, and Indonesia. Streamlined Google Ads and Bing Ads campaign management through a blend of manual mass editing, automation, and advanced mathematical models, while scaling both the team and infrastructure to drive rapid revenue growth.

  • Ruby on Rails
  • PostgreSQL
  • Redis
  • Sidekiq
  • Hadoop
  • JupyterHub
  • Kubernetes
  • Docker
  • Dataiku
  • Metabase
  • PrestoDB
  • Redshift
  • S3
  • other Remote Collaboration tools
Full Stack Engineer
December 2014
 — 
June 2016
Effilab

Developed proof-of-concept tools for AdWords account automation: one that provided a user-friendly interface for creating LUA scripts to streamline account management, and another that fully automated the creation of complete AdWords accounts, which directly contributed to Effilab’s acquisition by Solocal Group.

  • Ruby on Rails
  • Sidekiq Redis
  • RabbitMQ
  • Cassandra
  • LUA
  • Docker
  • AWS
  • Google AdWords API
Developer & System Admin
January 2011
 — 
January 2014
Various Roles

Worked on web and mobile development, system administration, and cloud computing, including building a Dropbox-like platform with advanced image and video processing features, developing mobile applications in Objective-C and Java, and managing UNIX-based systems.

  • Ruby on Rails
  • Sidekiq
  • Redis
  • PostgreSQL
  • Cassandra
  • Objective-C
  • Android Java
  • PHP
  • JavaScript
  • MySQL
  • UNIX

Projects


LinKapture
Present
 — 
Present

A LinkedIn to Google Sheet data export tool that saves time building prospects&candidates lists.

Languages


French:
Native
English:
Professional
Swedish:
for fun, very few words

Skills


Tech Stack:
Ruby on Rails, SvelteKit, GCP, AWS, Terraform, PostgreSQL, Redis, Sidekiq