About

Ujjwal Kumar is a highly skilled Software Engineer with 2.70 years of relevant experience in Android development, Machine Learning, Data Science, and Python. He is currently working as an Android Developer at Navi Technologies in Bangalore. Prior to this, he worked as a Software Engineer at Rakuten in Japan. Ujjwal completed his undergraduate degree in Civil Engineering from the prestigious Indian Institute of Technology, Bombay. Ujjwal has a strong technical expertise in Machine Learning, Python, and Android development. He is interested in exploring the fields of Data Science and Deep Learning. He is also proficient in UI/UX design, testing, SQL, Scikit, Search, Flask, and Web development. During his tenure as a Data Science Intern at HomeCapital, Ujjwal designed and developed a fully automated end-to-end lead scoring ML system to be used as an endpoint service. He also developed a module to train 10 different ML models using sklearn on lead scores and save the best performing for prediction. Additionally, he created an API endpoint using Flask to accept JSON based lead data, validate parameters, and return success probability. Ujjwal also programmed a script to update database architecture and accordingly perform training and model selection in a single API call. He also automated the extraction of insights from mobile data for pseudo credit rating of non-salaried users. He scripted a module to interact with Google Firebase server, extract raw SMS and call data, perform preprocessing, and store as JSON. Ujjwal generated 48 parameterized personality insights and consumption preferences from sent messages using IBM cloud API. He also automated the extraction of calling behavior, anomalous contacts, income to expense ratio, and recharge pattern. Ujjwal's tech stack includes Android, ML, Software Engineering, Deep Learning, Python, Data Science, Mobile, UI, Test, SQL, Scikit, Search, Flask, and Web. His LinkedIn profile provides a comprehensive overview of his achievements, skills, and experience.