Viswajit N.

Senior Software Engineer

Bengaluru, Karnataka, India14 yrs 11 mos experience

Highly Stable

Key Highlights

14 years of experience in data engineering.
Expert in Ab Initio ETL processes and data warehousing.
Proven track record in performance tuning and data pipeline design.

Stackforce AI infers this person is a Data Engineering expert in Fintech with strong ETL and data warehousing skills.

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Skills

Core Skills

Ab InitioData EngineeringData WarehousingEtl

Other Skills

Ab Initio Conduct>ItAb Initio Metadata hubAb Initio Express>ItData ModelingGraphic Design PrinciplesPerformance TuningBusiness RequirementsDatabasesJenkinsRequirements AnalysisData Warehouse ArchitectureData ArchitectureETL TestingProblem SolvingBusiness Systems Analysis

About

Senior Data Engineer working in end-to-end development lifecycle of ETL processes with more than 14 years of work experience into data warehousing using Ab Initio Suite : GDE, Control Centre, Metadata Hub, Data Quality Assessment Framework, Meta Programming, Graphs, Plans , Unix and SQL(ANSI/ISO SQL). 12 years of development experience in Finance domain using Ab Initio as ETL tool 2 years of enhancement/Support experience in Finance domain using Talend 2 years of experience in working with Conversion of Ab Initio to Informatica ETL workflows . Strong knowledge of ETL design principles, data integration, and data warehousing concepts. Proven experience in data analysis, including querying large data sets, generating reports, and providing actionable insights. Proficient in SQL and working with databases such as Oracle, SQL Server. Experience with Unix/Linux scripting for automation Technologies familiar with: ETL Tools : Ab Initio ( GDE, Control Centre, Metadata Hub, Meta Programming, Graphs, Plans), Talend, Informatica Frameworks : Acquire>It, Test Data Management(TDM), Testing Framework (TFW) Database : Oracle, MS SQL Cloud Skills : MapR Big Data. Scripting. : SQL, Python, Shell Scripting Scheduling Tools : Autosys, Control-M

Experience

Commonwealth bank

Senior Software Engineer

May 2025 – Present · 10 mos · Hybrid

Ab Initio Conduct>ItAb Initio Metadata hubAb Initio Express>ItAb InitioData Engineering

Wells fargo

Senior Data Engineer

Feb 2019 – Apr 2025 · 6 yrs 2 mos · Hyderabad, Telangana, India

Designed Ab Initio ETL data pipeline using Ab Initio Products ( GDE, Control Centre, Metadata Hub, Meta Programming, Graphs, Plans) to replace legacy Informatica, reducing batch completion time by 30%.
Skilled in developing, unit testing, maintaining multiple number of application code and delivering within standard sprint development timelines.
Lead and delivered E2E(End to End) Implementation of Ab Initio ETL solutions

Data ModelingGraphic Design PrinciplesPerformance TuningBusiness RequirementsAb Initio Conduct>ItDatabases+21

Virtusa

Lead Consultant

May 2018 – Jan 2019 · 8 mos · Hyderabad, Telangana, India

Managed a team of 5 members while also working as an individual developer at Virtusa in Hyderabad, Telangana.
Designed and implemented of data warehouse and data lakes that manage the appropriate data volumes and velocity and adhere to the required security measures.
Identified defects, provided solutions, and improved performance by reviewing and analyzing graphs within DWH dimension and fact tables.
Developed wrapper scripts to run Ab Initio graphs.

Data ModelingGraphic Design PrinciplesPerformance TuningBusiness RequirementsAb Initio Conduct>ItDatabases+21

Tech mahindra

Team Lead

Apr 2016 – Apr 2018 · 2 yrs · Bhubaneshwar, Odisha, India

Prepared design documents and developed Ab Initio graphs for data processing.
Conducted testing, performance tuning, and scheduled jobs in Autosys.
Created and updated checklists, defect logs, and unit test cases for quality assurance.

Data ModelingGraphic Design PrinciplesPerformance TuningBusiness RequirementsAb Initio Conduct>ItDatabases+21

Wipro

Senior Software Engineer

Apr 2015 – Apr 2016 · 1 yr · Pune/Pimpri-Chinchwad Area

Developed data mappings with various transformations for loading data from legacy systems to target tables at Wipro, Pune.
Utilized mapping parameters for session runs and performed performance tuning at mapping and session levels.
Reviewed code, fixed defects, prepared test cases, and reviewed test results to ensure data accuracy and integrity.

Data ModelingGraphic Design PrinciplesPerformance TuningAb Initio Conduct>ItDatabasesJenkins+15

Tata consultancy services

System Engineer

Feb 2011 – Apr 2015 · 4 yrs 2 mos · Greater Kolkata Area

Developed and maintained ETL jobs and Oracle stored procedures, improving processing time from 4 hours to 4 minutes.
Automated weekly ETL project backups for efficiency and data security.
Enhanced performance of ETL jobs and reports by optimizing SQL queries and procedures.
Shared domain knowledge with the team, documented project changes, and managed tickets in ServiceNow.

Data ModelingGraphic Design PrinciplesPerformance TuningAb Initio Conduct>ItDatabasesJenkins+15