madrigals1 Portfolio

Software Engineer - Agoda

Agoda - online travel agency and metasearch engine for hotels, vacation rentals, flights, and airport transfer:

• Data Migration - created automation for migration of data from legacy sources. Handled all data inconsistencies issues during migration. Monitored migration using Grafana and Kibana.
• Kafka Replication - developed a microservice for data replication using Kafka messages. Added test cases and Docker deployment pipeline.
• DAL (Data Access Layer) - developed a microservice that handles geodata fencing, replication using Kafka, P2P between different datacenters.

Software Engineer - Manatal

Manatal Recruitment Software - AI powered cloud-based ATS:

• App Improvement - refactored the code, fixed issues with N+1 queries. Decreased response time of all heavy endpoints from >2000ms to ~100ms. Improved overall speed of the app by 72%.
• Mailchimp Integration - made an integration with mass mailing service Mailchimp.
• Facebook Jobs Integration - integrated Facebook Jobs API into Manatal Software.
• Codebase Optimization - heavily contributed to readability of the codebase. Set up tools for following best practices.
• Knowledge Transfer - moderated biweekly meetings for knowledge transfer. Mentored junior developers and interns.
• Documentation and Testing - improved documentation of the app. Increased test coverage of the app from 30% to 55%.
• Outlook Calendar Integration - made a full-fledged SDK for Outlook API and integrated it into Manatal Software.

Web Engineer - Eko (Amity)

Eko - business chat application with over 200k users. I worked on:

• Chat - developed a functionality for managing access roles for members of the chats. Improved UX interaction between active and deleted users using Styled Components and Ant Design.
• Cards - improved UI performance in Cards, a feature that creates virtual workspace for users of the app.

Upstra - SDK that allows engineers to add powerful messaging capabilities to their native and web apps.