Pratyush Kumar

Designed and developed RESTful APIs in Java and Kotlin for PerformA, focusing on backend development, integrating frontend frameworks, and delivering data-driven solutions for an application generating $5M+ annually, used by leading financial institutions. Designed and implemented backend services, including Excel Export with pagination and bitemporal saved searches for accounting and reporting. Developed reporting infrastructure with PostgreSQL as the primary datastore and DuckDB for staging and complex computations, conduction performance comparisons with AWS S3 and PostgreSQL Optimized multiple complex SQL queries and Stored Procedures of the legacy application that were time consuming and were heavily used which reduced operational cost by 30% and improved query speed of several workflows by up to 60% Successfully migrated multiple screens of legacy web application built on Java Servlets (JSP) to latest technologies like ReactJS, Typescript, MaterialUI and MobX improving performance and readability by a great extent Takes part in providing support and resolving high and critical time sensitive on-call issues raised by clients

Worked with the Network Services Team of Blue Yonders Transportation Management System backend application supporting the entire transportation lifecycle, from order management through customer service and financial management Worked in an agile environment, provided feature enhancements and fixes for algorithmic bugs using technologies like Java, Junit, Smart GWT, Microsoft SQL Server.

Worked on a supply chain control tower application know as Luminate Control Tower providing real time visibility of entire supply chain Contributed in migration of Luminate Control Tower web application to a micro-frontend based architecture to improve efficiency and management of UI application Following a test driven development process, provided feature enhancements and fixes for front-end bugs. Used technologies like JavaScript, TypeScript, ReactJS, Jest and MaterialUI