Gabin Laigle Email and Phone Number

Writing and implementing rules for SonarQube's code analyzers in the Cloud Native squad 🐋

• Led consulting efforts for the Trade Order Management department on a massive architecture migration: building POCs, defining best practices, and challenging architecture choices• Conducted performance analysis and optimization of a legacy stock market API module that handles 1B+ calls per month, resulting in fewer writes to the database and a significant reduction in server load• Designed and developed 60+ modern REST APIs with Spring to enhance the user experience by ensuring input validation, error handling, and naming consistency• Implemented comprehensive integration tests using Postman and Swagger documentation, along with Gitlab CI pipelines, to ensure seamless integration of the new Spring stock market API module• Conducted extensive research and implemented a proof-of-concept for authorization and authentication using Spring Security and JWTs to ensure secure access to the APIs• Delivered informative presentations to 60+ individuals on the benefits of Redis, best practices for Java/Spring development, comparison of various authentication systems, and JWTs

• Built a high-performance batch processing system with Spring Batch, MySQL, and Redis to process millions of rows under a second• Created an optimized algorithm to calculate innovative intraday stock market rankings• Analyzed the object architecture of a legacy Java API module to successfully develop a new API without any code duplication• Provided technical consulting and a comprehensive report for a new API module using Spring, which helped the team avoid future technical debt• Conducted benchmarking and micro-optimization on critical parsing functions, resulting in a significant 3x improvement in performance