Internal Analytics Infrastructure team

• Built a synchronized platform allowing ranking engineers to Create, Tune and Verify ML configurations (hyper-parameter tuning) for numerous Ranking Experiments within the team.• Developed the platform as a full-stack application using React.js and Hack (PHP).• Achieved to reduce hyper-parameter tuning time from hours to a couple of clicks of distance, which resulted infaster experimentation, generating higher quality recommendations.

- Worked on the migration of the internal data warehouse (from Redshift to Snowflake) using Python and SnowSQL.• Developed a Snowflake ORM using Python, achieving easier and securer operations on the data warehouse.• Worked on internal tool to bring data from Google Sheets to Metabase (BI tool).

- Worked on automation tool to help on-call engineers save time while solving issues, using Python.• Issues included expensive Queries detection, high CPU/RAM utilization, out of storage DBs, among others.

- Developed a security system to protect SIIL (Luthe Integral Information System) within Oracle APEX.- Upgraded and migrated numerous clients using an AWS two-tier architecture.- Implemented Git version control for the first time in the history of the company.- Developed Python scripts to create SIIL Web and SIIL Windows repositories (company's main products) with 180+ branches and 100+ versions, saving 80+ man-hours.