Enterprise Platform - Core Modernization Team - Payments

• Migrated four real time applications from Python to Scala

• Took leading role in my team and coached three engineers best practices in Scala

• Performed 4-5 code reviews per sprint

• Created CI/CD pipelines for automated deployments for four projects I developed

• Proposed and upgraded Scala version to 2.13 for seven projects to speed up the compilation time up to 5%-10% and increase overall performance

Stack: React, Scala, Akka, Slick, Postgres

• Developed payroll file ingestion service designed to handle various input data formats (ETL pipeline. Max TPS 600, had strategy for beyond)

• Implemented API integrations with multiple customers

• Augmented existed ETL pipeline

• Closely collaborated with Product Manager on requirements proposing the best ways of implementation in agile environment

• Wrote readable, maintainable code (Reduced cyclomatic complexity)

Stack: Protractor, Node.js, Frisby.js, Allure, Docker, Jenkins

• Managed team of 4 engineers (2 on site, 2 remote) and established round the clock development cycle

• Closely collaborated with development team and product team to develop test suits

• Performed code reviews, test plannings, test strategies. Reviewed logs

• 400% reduced test execution time by performing code optimizations

• Fixed all flaky tests. Made tests robust

• Introduced negative test scenarios for already deployed features and parallel test execution for all 4 portals

• Made test coverage inventory. Detected features that were not covered by the test automation

• Built the CI/CD pipeline on Jenkins/Github/Docker/AWS