Dec 2021 – Aug 2024 · 2 yrs 8 mos · Bengaluru, Karnataka, India · Remote

• Built Data Lakehouse with huge collection of structured and unstructured scientific data ingested from different sources. Solving most challenging problems of the industry like Author and other disambiguations.
• Leveraging data to build product features like Search, Recommendation and other use cases.
• Building micro services to expose this data and providing this data to different customers in different formats and generating insights on this data.
• Role and Responsibilities:
• Work with stakeholders (Business and Product) to come up with quarterly and annual roadmaps.
• Hiring and building high performing teams.
• Design and review data engineering and AI (including Generative AI) solutions
• Tech stack:
• Apache Spark, Airflow, Elasticsearch, Multi-cloud with AWS and GCP
• Pyspark, Python, Java

Oct 2019 – Nov 2021 · 2 yrs 1 mo · Bengaluru Area, India

• Worked on Big Data Solutions around Search at Walmart. Built and maintained Apache Spark based real-time streaming and batch data pipelines at scale on multi cloud environments.
• Tech Stack: Spark, Kafka, Cassandra, Solr, Redis, Airflow, Multi cloud with Azure and GCP

Oct 2017 – Oct 2019 · 2 yrs · Bengaluru, Karnataka, India

• Worked as a Sr Architect /Manager for building data platform for Artificial Intelligence and Machine Learning based products using Azure cloud, Azure Databricks, Spark, Scala, Python, NLP, Deep Learning.

Aug 2014 – Sep 2017 · 3 yrs 1 mo · Plano, Tx

• Designed and developed fraud detection products from scratch for AT&T Big Data. Mentor, review and provide direction to junior team members.
• worked on technologies like : Hortonworks - Hadoop, HBase, Spark, Scala, Hive, Mongodb, Redis, Micro Services.

Oct 2011 – Aug 2014 · 2 yrs 10 mos · dallas/fort worth area

• Worked as a Tech Lead/Architect
• Worked on complex Crew Scheduling application and was involved in upgrading the application to support internationalization and FAR 117 rules. Handled complex integrations of the application with several other applications.
• Worked as Tech Lead for a pod that follows Agile methodology using Scrum and Kanban states. We follow continuous integration, trunk based development, paired programming as part of extreme programming, code refactoring and TDD.

Jan 2010 – Oct 2011 · 1 yr 9 mos · Irving, Texas, United States

• Worked as Java/J2EE consultant for BCBS, Agero and Verizon.
• At BCBS, involved in analysis, technical design, documentation and implementation of Quoting Application. Worked on the SOA based application and implemented Web Services using CXF Framework(JAX-WS). Worked on Spring MVC, Spring security,Spring IOC,Spring JDBC,Dozer Mappings.
• At Agero and Verizon worked on Java, JAX-WS Webservices, Spring, Hibernate, Maven,Subversion, Drools Rules Engine.

Jun 2006 – Nov 2009 · 3 yrs 5 mos

• Worked on enhancements to RFID and Reverse Logistics Management products, refactored code to use latest technologies. Migrated some of the old code from C++ to Java.
• Role:
• Analyzing the functional requirements from product management team, designing and providing technical solutions for the requirements and giving the estimates for the requirements.
• Involved in technical and database design. Implementing the design, leading the team, mentoring team members.

Jun 2004 – Jun 2006 · 2 yrs

• As a J2EE developer, I worked extensively on creating EJB Session Beans, Entity Beans for Puma PID project. Worked on an asynchronous processing module using JMS, MDB and quartz scheduler. Used Rational Rose for designing. Worked on Struts with Tiles framework for UI. Environment includes: Weblogic, DB2, CVS,eclipse,DBVisualizer etc.