Youssef Kerroum

Leading the development and modernization of ClicRDV, Solocal's SaaS appointment booking platform, deployed on a multi-cloud architecture (GCP and a certified healthcare hosting provider) with data sharding for GDPR compliance. Managing a team of 5 developers to deliver scalable, secure, and high-performance web solutions.

Key technologies: Ruby on Rails, ReactJS, MySQL, MongoDB, Redis, Sidekiq,

Taught computer science at secondary and post-secondary (BTS) levels: databases and SQL, algorithmics, Linux and Windows Server system administration, and JavaScript/ReactJS web development. Tracked student progress through projects, exams, and practical work.

• Supervised BTS students' final-year projects, from design to defense.
• Organized an inter-school hackathon for post-secondary students.

Currently, I utilise Bitbucket for API versioning and efficiently facilitate the review of pull requests through collaboration with development teams. By leveraging Jira as my primary platform for ticket creation and work progress tracking, I monitor project timelines and objectives for timely delivery and client satisfaction. Additionally, I implement unit tests for banking product functionalitie

Designed and developed an ecosystem of 3 applications connected to the Sage ERP: two mobile apps (sales force and subsidiary administrators) and a central management web app for headquarters, with ReactJS, ViteJS, Redux and Tailwind CSS on the front end.

• Built a single REST API (Ruby on Rails, PostgreSQL, Active Storage, AWS S3, Puma) serving all 3 applications, reading Sage data and writing ba

Developed Hortense.green, an eco-friendly accommodation booking platform: a high-traffic public website and content management back office (destinations, accommodations, collections), with Ruby on Rails, Kafka, Sidekiq, ReactJS, and Redux.

• Built and redesigned website pages from Adobe XD mockups (destinations, tailor-made travel, and wedding and business offers), with form integrations and SEO

In this role, I executed robust application security measures using the Devise Gem and role-based access control. This approach safeguarded sensitive data and ensured secure user authentication, significantly enhancing the overall security posture of the applications I worked on. Additionally, I managed Agile projects efficiently by leveraging tools like Jira and GitLab to ensure seamless executio

● Spending 1300+ hours mastering algorithms, data structures, and full-stack development while simultaneously developing projects with Ruby, Rails, JavaScript, React, and Redux.
● Developing skills in remote pair programming using GitHub, industry-standard git-flow, and daily standups to communicate and collaborate with international remote developers.

● Data Science.
● Artificial Intelligence.
● Advanced Networking.
● Computational Mathematics.
● Discrete mathematics.
● Object-oriented programming.
● Software design and development.
● Mobile development.
● Software design and development.

This Post-secondary Diploma, named “Brevet de technicien supérieur” (BTS) in French, is a two-year post-secondary national professional degree.
It is usually prepared in an advanced technician section during four semesters after the High-school Diploma. This vocational degree is oriented toward the labor market.