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Data Software Engineer

Detroit, Michigan, United States
November 28, 2018

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Selvamani Masilamani Mobile: 313-***-****


Technical professional with over 4 years’ experience in Data Warehousing (OLAP) and 1 year in Machine Learning with inquisitive thinking and problem-solving curiosity, ability to challenge and lead others.

Well versed in various phases of SDLC including requirement gathering/analysis, design, development, testing, implementation and warranty support activities.

Skilled at an end to end system architecture design principles, data lineage, data flows, data modeling, data quality, data profiling, data management, data governance, data dictionaries, metadata, data mapping, ETL design and component-based transformation design for enterprise business data warehouse and data marts.


IBM DataStage, IBM Tivoli Workload Scheduler (TWS), IBM Information Analyzer, Informatica Data Quality (IDQ), Apache NiFi, Infosphere Data Architect, Informatica, SSIS, SSRS, SSAS, SQL Server, DB2, MATLAB, C++, Java, Python, Unix, Scikit, Pandas, NumPy, SciPy, Matplotlib, Tableau Desktop, Tableau Server, SQL, NoSQL, MongoDB, JSON, HTML, XML, T-SQL, Oracle PL/SQL, GIT, Amazon Cloud AWS Redshift, RDS, Athena, S3, DynamoDB, MS Project, MS Excel


University of Michigan May 2017 – Mar 2018

Research Assistant – Machine Learning Wearable and Signal Processing Lab

Involved in data collection, pre-processing, feature selection, dimensionality reduction in building a Machine Learning model to predict the driver drowsiness which resulted in achieving a prediction accuracy of 99.10%.

Built a Multi-Modal driver distraction detection system using multi input signals namely, ECG, GSR, OBD & Motion, which involved results comparison between various Feature selection and Dimensionality reduction techniques.

HCL Technologies, India Sep 2011 – Sep 2015

Software Engineer

Worked as a Software Engineer, Offshore Coordinator, ETL Designer, Senior Developer with the IT team of Group Risk Systems platform under Commercial Banking division of Lloyds Banking Group, U.K.

Experience with ETL design and development of Data Marts / Enterprise Data Warehouses (EDW) / Operational Data Stores (ODS) for pulling and populating constantly from different source systems using ETL jobs via implementing Pipeline/Partition concepts and techniques.

Good knowledge in using Apache NiFi to automate data movement between heterogenous sources and targets.

Analyze business requirements and created document for the source to target mapping for the ETL development.

Experience in debugging mappings, identified bugs by analyzing the data flow and evaluating transformations.

Prepared interface specification documents, set up connections to get the source data files, estimated and reviewed design, builds and test results, support for System Integration (SIT) and User Acceptance (UAT) testing, implementation plans for Operational Acceptance (OAT) and production deployment, warranty support.

Experience in 24X7 production support, ETL executions and resolving root causes.

Reviewing the day-to-day activities through daily Agile Software development stand-up meetings.

Skilled in using Tableau: Data visualization, creating workbooks from multiple sources using data blending, building and publishing customized interactive reports and dashboards, report scheduling, creating action filters.

Allocated work, established the schedule, planned monthly activities, tracked deliverables and ensured management reviews through the PMSmart Tool (HCL Internal) using Microsoft Project as a backend.


Masilamani, Selvamani, Dehzangi, Omid, “Unobtrusive Driver Drowsiness Prediction using Driving Behavior from Vehicular Sensors”, publishing at the International Conference on Pattern Recognition (ICPR) 2018 at Beijing, China.


IBM Certified Solution Developer – Infosphere DataStage V8.5 (Candidate ID: SR8860086)

University of Michigan, Dearborn, MI Master of Science (M.S.), Information Systems and Technology (Apr 2018)

Birla Institute of Science and Technology, Pilani, India Master of Science (M.S.), Quality Management Systems (May 2015)

Anna University, Chennai, India Bachelor of Technology, Information Technology (May 2011)


Advanced Artificial Intelligence Decision Support & Expert Systems Data Structures Big Data Analytics and Visualization Probability and Statistics Database Management Systems Data Warehousing and Mining

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