About

Work Experience

• Fullstack Software Engineer, 

  Sep, 2020 - Apr, 20254 years 7 months

  Led architecture design in a team of 3 software engineers. Oversaw application maintenance, support incidents, and evolving product requirements. Built a back-office sales & ops. Supported production needs and fixed critical issues on a legacy monolith.

• Junior Ruby on Rails Engineer, 

  Mar, 2018 - May, 20202 years 2 months

  Maintained intranet, exams, and internal tools for 30,000+ students. Worked in a 5-person engineering team, writing clean and testable Rails code. Developed a web platform to manage candidate registrations for the 42 Piscines.

Projects Experience

• Migrate APIs to GraphQL

  Jan, 2024 - May, 20251 year 4 months

  Converted jsonapi to GraphQL, improved services, kept code coverage at 90%+ (GraphQL RSpec). Write API, Traking and flows documentations for the Mobile Development team (GraphQL, Docusaurus). Implemented Pundit authorizations in the current GraphQL API (Rails, GraphQL, Pundit). Converted JavaScript + Redux to TypeScript + Apollo (React, TypeScript). Documented APIs and flows for the mobile development team (GraphQL, Docusaurus, Docker).

• Monitoring Stack + Optimization

  Aug, 2025 - Sep, 20251 month

  Fixed critical N+1 queries and built unit test tools to catch regressions (Rails, MongoDB, RSpec). Improved deployment speed from 8 minutes to 1 minute (Docker, Kubernetes, Rails).

• Extract Meetings Programs from the Monolith

  Feb, 2023 - Jun, 20234 months

  Built a second Rails / React app to manage meeting programs (Rails, PostgreSQL, React, GraphQL). Developed an account management application (React, GraphQL). Created services to migrate marketplace user and interaction data into PostgreSQL models (MongoDB, PostgreSQL, ActiveRecord, Mongoid). Built services to compute global data for projects, programs, and participations (SQL, ActiveRecord).

• Winamax Data Mining

  Mar, 2020 - Jun, 20203 months

  Instrumented the Winamax Flash app to extract table data from memory (C, Python, Docker). Parsed and reconstructed poker hands from sparse WebSocket streams (Python, PostgreSQL). Computed player data and built an app to highlight the most exploitable cash games and tournaments (Ruby, Sinatra, PostgreSQL, Golang). Reverse-engineered the private WebSocket API, and built a connector to the Winamax internal API (Electron, RabbitMQ, Javascript).

• Optimize Intranet and APIs

  Jan, 2019 - Jul, 20196 months

  Reduced average DB CPU usage from 80% to 30% (PostgreSQL, Rails). Decreased API response times from 800ms to 200ms (Rails, PostgreSQL, NewRelic). Split a 400M+ row table into yearly partitions (PostgreSQL, ActiveRecord). Configured and deployed new PostgreSQL replicas (PostgreSQL, Linux, Shell).

Skills

Education

Interests