* Data Pipelines Team: * Integrated Datalake technologies into platform for better and more reliable data access via AWS Glue * Enhanced custom framework based on PySpark and Delta tables * Defined OpenAPI spec for new and existing services, added spec-based testing framework * Designed pipeline definition language, worked on compiler and interpreter for the language, integrated the interpreter into existing pipeline workflow orchestrator and scheduler. * Worked on pipeline services to better manage platform artifacts.* Data Engineering Infrastructure Team: Supported Data Engineering team with CI/CD code, repository templating and code migration.

* Responsible for development of custom features, maintenance, and support of ERP system (Odoo). * Planned and executed major version upgrades of all custom code in ERP system (versions 7 -> 8, 8 -> 10, and 10 -> 13). Custom code volume on the order of 100K lines of code.* Developed custom logic and integrations to eCommerce platform (Magento) as well as other services (Stripe, Avatax, shipping providers, etc). * Migrated development team environments from VMs to docker and docker-compose. * Migrated code from bzr to Gitlab, including setup of CI/CD pipelines for building and testing the ERP application. Updated CI/CD pipelines to enable automated deployments of ERP system to reduce need for off-hours developer time.

* Application Design and Implementation, Database design. * Migrated and updated mainframe applications to newer web-based services. * Provided support for photomask manufacturing line via custom applications, including off-hours support.