Gulshan Kumar

7+ years of work experience

Mar 20242 yrs 6 mosPresent

Bengaluru

Jan 20222 yrs 2 mosFeb 2024

Bengaluru, Karnataka, India

Dec 20212 mosJan 2022

Bengaluru

◦ Built an end-to-end ML forecasting system on Azure Databricks using ML models like XGBoost, Random Forest, Univariate Models like ARIMA, SARIMA, FbProphet etc, integrating external weather signals to improve sales forecast accuracy, data cleanup, feature engineering and hyperparameting tuning.

Nov 20192 yrs 1 moNov 2021

India

◦ Supported data processing using python. Performed activities like weather data scrapping from dark sky, COVID correction of data, creation and optimization of scripts. Implemented sales correction for covid period which resulted in improved forecast for our client. ◦ Brought-in innovation by automating reports, generation of data files and associated metadata using python which was part of core data operations for the project, helped the team saving a lot of time to deliver the client requirements on time. ◦ Process Automation: Spearheaded a 5-person team to automate manual data processing workflows using Python, achieving a 90% reduction in processing time (2 weeks→ 1 day) and ensuring 100% SLA compliance. ◦ Tool Development: Introduced automation frameworks that generated metadata-enriched reports, saving 20+ engineering hours weekly and standardizing data delivery formats.

Jan 20199 mosSep 2019

Noida

Full Stack Developer on PrestaShop. Developed full-stack modules for the PrestaShop e-commerce platform using PHP/Symfony & MySQL, including a Stock Reservation feature that improved checkout completion rates by 12%.