About

Arka Karmakar is a skilled Quality Specialist, Data Analyst, Machine Learning Engineer, Data Scientist, Deep Learning and NLP expert with over 3 years of industry experience. Currently working at Amazon as a Quality Specialist, Arka provides data and analytical support for address-solution regarding programs. He performs EDA and tokenizes the addresses for ML model to train. He also prepares the filtered training data of the model (without junk or incomplete addresses) and performs HE1.0 (hierarchical extraction 1.0) and HE2.0 (hierarchical extraction 2.0) on test data to increase model performance. Arka has also helped to increase building number coverage, reduce over consolidation and under consolidation, increase the F1 score of matcher and parser model till 98%. He creates mandatory fields for different geographies based on deep dives, address structures and domain knowledge. Arka performs gap analysis to reduce the gap between ground truth and trained model. He has solved 2.2MM address lines of structured and unstructured geographies. Arka is interested in analyzing raw data and statistics. He is excited to be a part of the data revolution and is looking for roles of Machine learning Engineer or Data Scientist. Arka's technical skills include ML, Deep Learning, NLP, Data Scientist, Research Scientist, Python, SQL, CNN, RNN, Tensorflow, and Pandas. Before joining Amazon, Arka worked at Pinnacle Infotech as a Trainee Engineer. He managed and led a team of 4 people, ensuring project quality checking and on-time project delivery. Arka communicated with the clients, understood the business needs, and assisted them throughout the projects. Clients had a satisfaction rate of over 92%. Arka holds a Bachelor of Technology - BTech in Civil Engineering from Techno India College of Technology, where he graduated in 2019. He also completed his schooling at Uttarpara Government High School. Arka has 3.62 years of relevant experience in the industry.