Dec 2021 – Jun 2023 · 1 yr 6 mos · Dallas-Fort Worth Metroplex

• As a Data Related Services Startup and Cloudera Partner we will be providing below data related services for our clients.
• ➢ Data Lake & Data Hub: Setup new Data Lake/Hub, Security & Governance, Cloud Transformation, & Strategic Consulting
• ➢ Data Integration & Migration Services: using REST APIs, serverless functions (AWS Lambda), etc.
• ➢ Database Migration: Strategize & Implement, Cross-Platform DB Migration, DB Migration supporting DB Technology Transformation
• ➢ Data Engineering Services: Building Orchestrated Batch Data Pipelines as well as Streaming Data Pipelines
• ➢ Business Intelligence & Analytics Services

Dec 2020 – Jun 2023 · 2 yrs 6 mos · San Francisco Bay Area

• We will primarily focus on Cloud Transformation of existing Data and Analytics Applications as well as onboarding new Applications.
• Offerings:
• Cloud Enablement or Transformation of Data Engineering and Analytics Applications leveraging Cloud Native Services (e. g.: AWS and Azure)
• Cloud Enablement or Transformation of Data Engineering and Analytics Applications leveraging Cloud Agnostic Services (e. g.: Databricks Platform, Cloudera Data Platform, Kafka, Tableau etc)
• Data Integration and Migration Expert for SaaS Platforms like Salesforce, Netsuite etc.
• Reach out to durga.gadiraju@fissionlabs.com for any consulting or sales related inquiries.

Nov 2015 – Present · 10 yrs 6 mos · Hyderabad, Telangana, India · On-site

• Co-founded an AI and data engineering training and consulting practice. Deliver hands-on training programs in AI, data engineering, and cloud technologies while simultaneously serving enterprise clients in practice setup, solution architecture, and project delivery.
• Training & Capability Building
• Develop and deliver comprehensive training programs covering Python, Spark, cloud platforms, GenAI, LLM fine-tuning, LangChain orchestration, MCP integration, and responsible AI practices.
• Upskilled hundreds of engineers across client organizations and the broader technology community through structured, hands-on training curricula.
• Built and publish training content through the ITVersity platform (itversity.com), creating a scalable learning resource for data and AI professionals.
• Client Delivery & Advisory
• Served enterprise clients including Wal-Mart, Cloudera, Harman, Bank of the West, Scotia Bank, Penny Mac, Epsilon, and Government of India — leading solution architecture, platform modernization, and project delivery across 15+ concurrent engagements.
• Designed reusable AI solution patterns for intelligent document processing, conversational AI, and automated research workflows.
• Architected data lakehouse solutions on Databricks across AWS, Azure, and GCP; led cloud migrations from legacy warehouses to Snowflake, Redshift, and Azure Synapse.
• Managed and mentored cross-functional delivery teams of 50–100 engineers with engineering best practices, code review standards, and CI/CD frameworks.

Apr 2015 – Mar 2016 · 11 mos · Dallas-Fort Worth Metroplex

• BI/DW, Big Data, Real Time Analytics, IoT (Internet of Things), Cloud etc.
• Working on multiple POCs on Hortonworks Data Platform - HDInsights using Linux on Azure with Azure Blob storage, HDP 2.2 using Redhat on AWS, Integration of S3, Integration of Azure powershell, Data Factory to move data from SQL Server to HDInsights.

Feb 2014 – Apr 2015 · 1 yr 2 mos · Dallas-Fort Worth Metroplex

• IBM ExperienceOne - Advanced web analytics product development using Oracle, Aster and Hadoop eco system. It has Coremetrics or Digital Analytics, Unica, Tealeaf, Silverpop, DemandTec etc.
• Apache Spark and Hadoop eco system vs. Oracle (RDBMS)/Aster (MPP) - Will Hadoop replace Oracle/Aster or complement?
• Moving analytics system from Oracle/Aster to Hadoop eco system while tuning existing Oracle/Aster databases.
• Real time data integration from client web sites into HDFS using MQ, Java MapReduce and HBase.
• Tuned performance of marketing report in Oracle which is critical to clients from 8 hours to 6 minutes.
• Technologies for application development: JMS, Spring Framework, Java MapReduce, Hive, Sqoop etc.
• Will performance is better by moving ETL to Spark? ETL criteria for Spark and Map Reduce based tools. Will Spark complement map reduce based ETL or will it replace?
• Infrastructure/Platform (cloud): IBM Softlayer, Linux, Puppet, IBM MQ Server
• Legacy: Oracle, SQL, PL/SQL, Teradata Aster etc
• More to come...

Nov 2012 – Feb 2014 · 1 yr 3 mos · Dallas-Fort Worth Metroplex

• Big Data Architect for top retail firm in US.
• Developing ETL process using combination of Hive, Sqoop and Shell scripting to integrate data between Hadoop/Hive to SQL Server.
• Design and develop ETL process to pull data from Mainframes into file system using Hadoop, Hive, Map Reduce and Shell scripting.
• Performance tuning and support of large Hadoop clusters.
• Experience in building and supporting cluster up to 30 nodes (700+ cores).
• In depth knowledge of Map Reduce Framework.
• Extensively worked on implementing Data Warehouse on Hadoop clusters and actively involved in Data Integration.
• Experience in implementing Statistical analysis algorithms using R and supervised/unsupervised machine learning algorithms using Java Map Reduce.

Jul 2007 – Nov 2012 · 5 yrs 4 mos

• Worked as DR/HA/MA Architect for Citi's RUSA, EFD, CMR (MDM), EDW systems.
• Played vital role in streamlining all the CTI databases (600+) using AIX on IBM PSeries LPARS, RAC and ASM for better maintenance.
• Other end clients include AT&T Mobility ACSI, ERCOT, Texas State (HHSC).
• Assessment and adoption of Big Data eco system such as Hadoop, Hive, Sqoop, HBase, Oozie, Zookeeper, Cassandra, MongoDB etc for multiple clients.
• Design, Implement and support multiple scalable, highly available, zero downtime, multi-site load balancing Oracle based 50+ TB ODS, EDW, BI and EDI systems using Oracle 9i/10g/11g including RAC and ASM, Goldengate, Informatica, Cognos, Tibco and Java.
• Expert in cross platform database (of any size) migration with negligible downtime. Designed and developed sophisticated frameworks and tools for Oracle databases using PL/SQL, Data Guard, Goldengate and Veridata.
• Lead and mentor vast array of audience - System and APP DBA teams, development teams (OLTP and OLAP), QA teams, architects etc in areas such as Oracle, Goldengate, ETL, BI etc.
• Set up OEM grid infrastructure to support 600+ databases.
• Design, develop, tune and document complex ETL using off the shelf products like Informatica, Ab Initio as well as custom code using PL/SQL and Java.
• Design and publish Cognos Framework models and actively involved in developing reports on both ODS and EDW systems.
• Integrate data between databases to LDAP, databases to Coherence in memory grids and databases to files in near real time using Goldengate Java User Exits and Java handlers.
• Design, develop and review PL/SQL based applications which publish huge data sets, provide fastest possible responses for customer searches etc.
• Streamline development and deployment processes by providing custom tools using Oracle PL/SQL, Java and shell scripting.
• Experience with variety of enterprise scheduling tools.
• Expert at technical and project management documentation.

Jan 2007 – Jun 2007 · 5 mos

• Worked at Avenue A/Razorfish (acquired by Microsoft) and Dell computers for applications using Oracle, Java/J2EE, .Net and Goldengate technologies.
• Performance Tuning and Data Modeling.
• Design and develop data access logic using PL/SQL for Customer, Order and Quote search in ODS environment.
• Integrate the data access layer with J2EE and .net frameworks.
• Support Goldengate replication from Tandem (mainframes application).

Aug 2004 – Jan 2007 · 2 yrs 5 mos

• Part of offshore/onsite team which is responsible for building enterprise level applications for Ameriquest Mortgage Company (Currently CitiRL)
• Actively participated in development and design of various courses in applications such as HRG, REO, NPV, CAE etc used for Special Servicing in the Mortgage Industry using Java/J2EE, Struts, Oracle PL/SQL technologies.
• Developed ETL using Informatica to load the data from legacy mainframes system to ReSolve databases.
• Design and Develop PLSQL tool which refresh EMIs on principal prepayment.
• Actively involved in designing and developing NPV engine.
• Played an active role in improving overall database performance of the database driven OLTP application called ReSolve.
• Worked as Data Integration team member and DBA at client place AMC Mortgage Services.
• Played vital role in establishing change control management for database releases.
• Mentor SQL, PLSQL and Performance Tuning to wide range of audience across the organization.
• Review the design solution for Network Solutions and help them tuning the overall performance.

Dec 2003 – Aug 2004 · 8 mos

• Worked as software engineer using Java/J2EE, Oracle and SQL Server technologies.
• Played a vital role in a content management application using Java/J2EE technologies along with XML, XSLT etc., for a client called Trump Group of Casinos.

Jun 1996 – Feb 1997 · 8 mos · Greater Vijayawada District

• My first job after I have failed in Intermediate (high school).