Dec 2021 – Sep 2023 · 1 yr 9 mos

Mar 2020 – Dec 2021 · 1 yr 9 mos

Jul 2018 – Mar 2020 · 1 yr 8 mos · Bangaon Area, India

• Worked on cloud-native application enabling the
• build, test and deployment of applications in an on-demand self-service manner
• Developed Micro-Services in spring-boot framework and exposed them using RESTful APIs
• Hands on experience in working with tools like Maven, Hibernate, JPA, ActiveMq, Hikari, SQL
• Implemented methods for Custom Exception Handling, Soft-delete, Job Scheduling etc.

Jul 2017 – Sep 2017 · 2 mos

• User Authentication using Keystroke dynamics
• Developed an authentication tool using typing behavior as a part of multi-factor authentication
• Used dwell and flight time features with one class SVM technique to get average accuracy of 82%

May 2017 – Jun 2017 · 1 mo · Kolkata Area, India

• Developed a recommendation system to unbias the classifier with respect to the simulated metadata, useful for clinical trials
• Devised an algorithm to combat the covariance shift and to remove the negative transfer in the transfer learning algorithm
• Implemented TrAdaboost (extension of Adaboost) to reweight training set to nullify the effect of distribution dissimilarity with test set
• Implemented SVM, KNN, Random Forest, decision trees as weak learner in TrAdaboost algorithm to improve F-Score from 0.53 to 0.76

Sep 2016 – Nov 2016 · 2 mos

• Wikipedia Search Engine
• Designed and developed an search engine to query archived Wikipedia documents of size 56GB
• Cleaned the data using various techniques like Case folding, stemming, stop word removal
• Indexed the dump into posting lists, ranked documents by their relevance to the input query,
• using a combination of ranking techniques like TF-IDF and heuristics, thereby achieving an average
• meantime of 500 milliseconds

Jun 2016 – Jul 2016 · 1 mo · Gurgaon, India

• Developed a tool to combat class Imbalance using Resampling, SMOTE and performance matrices like F1-Score, precision, recall
• Developed a tool for market segmentation using K-Means, Elbow Method and extended tool to include Density based & soft clustering
• Implemented above tools on 30 datasets from different domains to check its robustness, with improvement in performance up to 30%

May 2016 – Jun 2016 · 1 mo · Noida Area, India

• Analysed changing customer behavior on real time using google analytics tool through the segmentation of data
• Devised methods to better understand the customer behavior with respect to the macro and micro conversions of the goal
• Optimized various components of google analytics system namely data collection, configuration, processing and reporting

Mar 2016 – Apr 2016 · 1 mo

• Visualizing and modelling the likeability of Consumer Packaged Goods
• Used logistic regression to predict the likability of products, identifying the factors affecting it
• Used Feature engineering to identify 8 important features, improving AUC-ROC from 0.72 to 0.81
• Developed an interactive dashboard using Tableau providing insights on key performance measures
• and fragrance attributes of products

Feb 2016 – Mar 2016 · 1 mo

• Sonar Navigation Prototype for Blind
• Used Ultrasonic sensor(HC-SR04) on a servo motor with a field of view 120◦ to detect the obstacle
• Closeness of obstacle was used to vibrate the wrist bands, alerting about the direction and speed

Jan 2009 – Jan 2010 · 1 yr · Patna Area, India

• Captained National Handball team of the Patna Region and led the team to the semifinals in the National Handball Meet 2010
• Captained Gold Meda l winning Handball team for two consecutive years in Regional Handball League in year 2009 and 2010 respectively