Nageswara K

Data engineering professional with 14+ years of experience across banking, financial services and healthcare. Builds and supports AWS-based data pipelines, enterprise data integration and Hadoop/Spark workloads using Python, SQL and Java. Experienced in ETL/ELT, batch and event-driven processing, data quality, reconciliation, orchestration, troubleshooting and production reliability.

Brings hands-on delivery experience and cross-functional collaboration across data, engineering and business teams.

Senior Specialist – Data Engineer at LTM Limited (2024-05 – Present)

• Design and support financial-data ingestion and ETL/ELT pipelines using AWS Glue, Amazon S3, Apache Spark, AWS Lambda, Airflow, Python and SQL.
• Build batch and event-driven workflows that transform raw banking data into validated, reconciled, analytics-ready Snowflake datasets.
• Apply data-quality checks, pipeline monitoring, failure notifications and SLA-focused production support; troubleshoot processing and integration issues.
• Collaborate with stakeholders on technical design, integration requirements, performance, release validation and operational stability.

Senior Applications Developer at Citi Corp Services India Pvt. Ltd. (Citibank) (2018-03 – 2024-05)

• Built and supported distributed data pipelines on Cloudera/Hadoop, Apache Spark, PySpark, Hive and SQL for CitiRisk Loss Mitigation reporting.
• Automated Genesis-to-CitiRisk account-level ingestion and transformations, including validation, reconciliation and monthly enrollment/performance reporting.
• Used Java, AWS, Autosys, Jenkins, Git and CI/CD processes to support batch workloads, releases and production operations.
• Investigated data failures, performed root-cause analysis and performance tuning, and coordinated incident resolution across teams.

Senior Software Engineer at UnitedHealth Group (Optum) (2015-06 – 2018-03)

• Supported Primary Care Case Management (PCCM) healthcare data integration and care-management workflows.
• Worked with Java, Hadoop, Spark, Hive, Sqoop, HBase, Cassandra, Talend, Oracle, SQL Server, YARN and Control-M.

Senior Software Engineer at HCL Technologies (2014-01 – 2015-06)

• Supported Deutsche Bank DBIQ quantitative index data processing, daily calculations and index-level publication using Java, Hadoop MapReduce, HDFS, HBase, Hive, Sqoop, IBM CDC, Talend, Scala, Spark SQL and Oracle.

System Engineer at Infosys Limited (2012-02 – 2014-01)

• Built and supported Java/J2EE components for the AMEX WindTunnel initiative using JSP, Struts, Spring, Hibernate, JavaScript, Jetty, SVN and Oracle.

Software Engineer at Municipal Reforms Cell (2009-07 – 2012-01)

• Developed and maintained Java/J2EE and REST-based functionality for Karnataka urban birth and death registration and certificate issuance.

B.Tech. in Electrical and Electronics Engineering – JNTU University, Hyderabad