Freelancer profile translated to English.
Back to original languageAbout Zouheir
Web developer for over 10 years. I have acquired solid experience in Ruby on Rails. I remain attentive and attach great importance to the human aspect. I know how to adapt according to the context and the team with which I work.
What I can do:
- Web Development (mainly backend - Ruby on Rails).
- Definition of the roadmap, OKRs, and assignment of individual objectives to developers.
- Implementation of squad teams (according to the Spotify model).
- Improvement of backend service performance.
- Recruitment of developers and (product).
- Quality: Technical orientation, implementation of metrics, code/doc review, and training of junior developers.
My motto: “every problem has a solution(s)”.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Qonto - CorporateSenior Staff EngineerBANKING AND INSURANCEJuly 2023 - Today (2 years and 11 months)Qonto is a neobank focused on financial services for businesses and freelancers. As a Senior Staff Engineer, I contributed to improving performance and optimizing internal processes.
- Improved billing endpoint performance by over 70%, significantly increasing system responsiveness and reducing latency.
- Implemented conventions for background jobs, improving the maintainability and reliability of asynchronous task processing.
- Optimized background job performance, reducing execution time and resource consumption.
- Participated in the infrastructure migration process from GCP to AWS.
- Led the recruitment process for team leads.
Stack: Ruby on Rails, PostgreSQL, Redis, Sidekiq, Docker, AWS - Pages JaunesTech Lead Ruby on RailsSOFTWARE PUBLISHINGSeptember 2022 - July 2023 (10 months)Paris, FranceAs a Team Lead, I oversaw backend service improvements and ensured compliance with data protection regulations.
- Defined and executed the migration strategy for upgrading an application from Rails 3 to Rails 6/7, minimizing downtime and improving performance.
- Conducted a GDPR audit, ensuring compliance with European data protection standards.
- Implemented security measures and optimized the application for better scalability.
Stack: Ruby on Rails, PostgreSQL, Redis, Docker, GCP - EdulibSenior Ruby on Rails DeveloperEDUCATION AND E-LEARNINGNovember 2020 - September 2022 (1 year and 10 months)Paris, FranceDevelopment of a Ruby on Rails application in the #EdTech field. Edulib is the result of collaboration between two major publishers in the school world: Magnard Delagrave (Albin Michel group) and Belin Éducation (Humensis group). As a digital resource distributor, Edulib allowed millions of students and teachers to access their school textbooks online during the COVID-19 crisis.- Migration of the database from MongoDB to PostgreSQL- Improvement of API performance- Stabilization of the existing monolith- Code review and mentoringStack: Ruby on Rails, React, MongoDB, PostgreSQL, Redis, Heroku
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Education
- Computer EngineeringUTBM2011
- Master degree in software engineeringKAIST 한국과학기술원2011