SAMBIT MONDAL

From 24th Oct, 2018 to till date
IT Analyst at Tata Consultancy Services

Statistical Analysis (Univariate and Multivariate) on several types of financial data. Working on a red flag screening process to detect fraudulent activity.
Working on a process to extract text data from chat applications and from customer care recorded conversation using ASR and provide a customer feedback score.
As a part of auto KYC, working on a proof of concept model to get a facial match score on ID card and customer’s face.
As a part of auto KYC, working on a proof of concept model to extract text data from various documents and build a matching engine to identify incorrect information and invalid customer data.
Machine Learning and Deep Learning model development (regression and classification algorithms) for different user cases.
Customer segmentation analysis using clustering and provided critical insights and generated reports.
Tech: Python, Scikit‑Learn, Numpy, Pandas, Natural Language Processing, Matplotlib, SQL, Flask api.

Designing Data Pipelines as per client requirement and performed rule-based transformation, aggregation.
Developing Graphs in GDE (Graphical Development Environment, Scripts, One-time activities and Adhoc fix.
Creating scripts in Unix and loading test data to SIT, UAT environment for testing (Test datasets required for data validation and testing purpose) and generated reports.
Migration Activity, testing in lower environment. Creating AIR TAGs and Migration Documents (Migrating objects to other environments (SIT, UAT, Mass, cob, preprod and PROD)).
Tech: Ab Initio (ETL tool), SQL developer and Tectia, Autosys.

From 26th Oct, 2017 to 17th Oct, 2018
Senior Software Engineer at Accenture

Developing Graphs, Scripts, XFR, Plans, PSET, DML, DBC [As per project requirement we makechanges in parameters, transform rules, logic, DML files, SQL queries, or changing the mappingetc.)
Server Migration as per new server standards (As a part of migration project we need to make changes in the existing code as per new server standards to decommission the old server and continue with the new one)
Worked on business rules, policies on data quality part and developed sanitation processes for field wise validation rules for each file.
Developed a metadata hub for existing process using Abinito MHUB tool for end-to-end business model.
Tech: Ab Initio (ETL tool), Metadata Hub, SQL developer and Tectia, Control Centre, Autosys.

From 20th Nov,2014 to 17th Oct, 2017
Software Engineer at Tech Mahindra

Designed data pipelines to segregate data from various sources like POS, transaction data, geographical data, personal information and clean, preprocess the data to store into Datawarehouse tables. Developed SQL, PLSQL queries and Unix scripts to generate reports from these tables.
Analysis of existing process and doing improvements like alert mail generation, script automation, dependency analysis (As a part Enhancement project we need to validate and make few recommended changes for more efficiency).
Tech: Ab Initio (ETL tool), SQL developer, Putty, Autosys.