Paymon Wang-Lotfi Email & Phone Number

• Used JMeter to conduct the QA and performance testing of a multithreaded feature optimizing requests to third-party services, reporting an average 32% reduction in API response times.• Designed and implemented a CI/CD pipeline on AWS to integrate OpenTelemetry with IBM Instana, enhancing the overall visibility of the platform.• Successfully resolved a bug where SMS and email notifications failed to send by implementing an asynchronous queueing system.• Designed and implemented templates for ISO language codes used to translate labels and receipts for international sales.• Designed and implemented the POC for the Grails 5 migration; conducted the research, design, and implementation of comprehensive strategies to refactor components and plugins.

• Designed and implemented functionality for barcode scanning, curbside pickup, inventory management, and internal reporting on the order fulfillment and merchandising platform.• Developed functionality for receiving notifications on CT40 devices by implementing code on the HAL Android platform to consume FCM push notifications from cloud-based services.• Used BigQuery and PostgreSQL to develop a fallback mechanism to detect and resolve incomplete session data due to unexpected device malfunctions, improving the quality of reporting to the business analytics team.• Maintained coding standards for ReactJS, Android, and Java by ensuring consistency across the codebase and facilitating code reuse, conducting code reviews on a regular basis to ensure adherence to best practices.• Facilitated planning and estimation meetings, developed project backlogs, and conducted retrospectives to identify areas for improvement in the planning and estimation process.• Monitored application servers on Google Cloud Platform to facilitate the smooth delivery of $8.3 billion in holiday sales.

• Conducted in-depth code analyses; identified technical debt and legacy code issues and implemented strategies for refactoring, code cleanup, and architectural redesigns.Optimized Grails ORM queries using Hibernate Query Language, improving API response times by up to 40%.• Used Java, Groovy, Grails, MySQL, and the MIcronaut framework to design and implement data models, microservices, and REST API endpoints.• Used JavaScript, Node.js, and Vue.js to design and implement responsive user interfaces.

• Used Java, Spring, and Hibernate to develop backend systems, leveraging dependency injection to streamline the configuration of microservices and REST APIs.• Designed and implemented data models for a Microsoft SQL Server database to streamline the flow of data from multiple applications for the purposes of improved security and compliance.• Designed and implemented transaction management strategies to optimize queries for performance and stability.• Designed and implemented functionality for secure access control using Spring Security, JavaServer Pages, and JSON Web Tokens.• Developed and managed containerized workloads in a continuous integration workflow using Maven, Jenkins and AWS.

Albany, New York, United States

• Part of the planning and execution of a Java 8 upgrade on eCommerce platform responsible for delivering an estimated $30 billion in annual merchandise value.• Designed and implemented a Grails application to streamline the scheduling of OS snapshot updates on QA and regression VMs, resulting in an estimated 1400 hours of saved development resources per month.• Developed PowerShell scripts for JDK download and installation to streamline Java 8 configurations across development and production environments.• Used Ruby to develop Chef cookbooks automating the configuration, deployment, and management of Java 8 upgrade scripts.• Facilitated the Mercurial to Git migration by developing a test plan to verify the integrity of migrated repositories.