Implemented over 10 enhancements using Ruby on Rails, PostgreSQL, and React in supplier and customer portals, resulting in a 40% increase in client onboarding.

Optimized payment reconciliation queries by 70% through raw SQL analysis, improving the processing of millions of records.

Integrated Heap tracking service, enhancing customer success team insights on user journeys across the entire application using Javascript.

Collaborated with maintenance team and reduced flaky tests in CI suite by 90% through critical bug fixes and enhancements using RSpec and Cucumber.

Led the development of an applicant information processing pipeline for 2U Inc (edX), primarily using NodeJS and AWS Lambda functions, along with AWS technologies like API Gateway, S3, SQS, and SNS. This initiative effectively streamlined candidate information processing across all company departments.

Contributed to the migration of a legacy Python application to a Ruby on Rails backend and Angular frontend for Atria Wealth Solutions, including the creation of Task Management modules and Investment Portfolio Charts API for the MVP.

Conducted ActiveRecord query optimization, achieving a 95% reduction in dashboard page loading times for Atria Wealth Solutions.

E-commerce Platform Leadership: Utilizing Ruby on Rails with Spree Commerce, led the development and maintenance of Salcobrand Enterprises' e-commerce platform. This included a significant overhaul of the platform to enable the sale and shipping of prescription-required pharmaceutical products.

Promotional Campaigns and Site Performance: Facilitated over 15 promotional product campaigns and enhanced site performance. Supervised technical preparations for 2 Cyber Mondays and 2 Black Fridays, ensuring seamless operations without incidents or timeouts.

Developed a user activity monitoring algorithm using Ruby on Rails and PostgreSQL, automating risk assessment and alerting legal and support teams about suspicious activities. This significantly contributed to Buda being recognized as one of the most KYC/AML compliant cryptocurrency exchanges by Chile's government.

Part of the migration team focused on developing a micro-services oriented and ruby on rails based system to replace the functionality of a legacy platform.

Participated in the development of new search features for job postings based on location and distance from the client to the job location.

Performed on-call work as DevOPS assistant, fixed deployments to AWS machines, created instances for new staging applications on OpsWorks and added redirection rules and periodic task configurations using Chef cookbooks.