SUMMARY:

Experience and results - oriented Big DATA Architect /Engineer with a solid history of hands-on background in BIG DATA core technologies and development. Skilled trainer and project leader and able to direct multiple tasks efficiently. Exceptional collaborative and interpersonal skills; dynamic team player with well-developed written and verbal communication abilities; innovative problem solver, able to see the business and technical sides.

EXPERTISE IN THE FOLLOWING AREAS:

• Kafka Streams,Kafka, Apache Samza
• MapR Document DB,Cassandra, MongoDb,HBASE,HIVE, Confidential DynamoDB
• Java, Clojure,Scala, Confidential Latin, Shell,AWK,Sed, PL/SQL, SQL
• Oracle performance tuning
• Real Application Cluster (RAC)
• Data Warehouse and ETL
• Elastic Search
• NiFi, Zendesk Maxwell,Oracle Golden Gate, Veridata
• Lambda Architecture
• OpenShift
• CI/CD (Jenkins)

TECHNICAL SKILLS:

• JAVA,JDBC, STaX, SaX (Piccolo), DOM xml parsers. XML,JSON
• Java SpringBoot. Developed some micro services for Kafka streaming projects.
• Clojure( SPEC,SPECTER,PIGPEN,Sparcling,Instapars). Developed the parser for Lambda Batch Layer.
• Scala. Mostly used for Spark development and creation some simple Scala PLAY based microsevices.
• Spark. (Spark SQL, Spark ML for some POC and data science team requests)
• Hadoop, Confidential, Spark, NiFi, sqoop
• Confidential DynamoDB. I have done some migration from Oracle to DynamoDB.
• Oracle development (PL/SQL).
• Unix Shell Scripting,AWK
• Erwin Data Modeling, Data Warehouse architecture and ETL procedures design, ORACLE Discoverer, Oracle Warehouse Builder, Toad for Oracle DBA, PL/SQL Developer, SQL statement tuning, SQLT, SPM, RAT, Instance tuning and monitoring, OEM 11g/ Cloud control 12C
• Oracle internet directory, Oracle database Gateways, Oracle OEM 11g /12C
• Golden Gate 12C (active-active, hdfs data adapter), Veridata 12C
• ORACLE 8i, 9i,10G,11G, 12C
• RAC, RAC One node, ASM, Using FAN and TAF on app layer (JAVA), DataGuard, RMAN, RAT,TDE
• IDE: IntelliJIDEA, Eclipse,PL/SQL Developer,DB Visualizer, Toad
• Microsoft Office, Visio, Share Point,

PROFESSIONAL EXPERIENCE:

Big Data Architect

Confidential

Responsibilities:

• Project enablement and team member education (Scala Spark).
• I have previous experience working as RDBMS database solutions Architect (Oracle,SAP) and excellent year to year performance.

Sr. BIG DATA Senior software developer

Confidential

Responsibilities:

• Owned and delivered the main core component of the Lambda architecture called “batch layer” in a demanding AGILE driven Big Data project.
• The “batch layer” was implemented with a (Request parser) Clojure -> Confidential scripts (Java Confidential - >Json result hierarchical dataset file stored on HDFS.
• My part of the project was a development of the parser for incoming date requests (document representing the execution plan for retrieving the data from HDFS files(parquet) as a stream of immutables (atomic element of data in the Lambda architecture) to a Confidential script executing on Hadoop to retrieve the data in hierarchical Json format.
• Developed and implemented data extracts on Spark (Scala) for a Lambda “Speed layer”.
• Responsible for delivering Maxwell (producer) Kafka infrastructure.
• Successfully, delivered the Confidential (internal document transfer system) automation.
• Successfully delivered the Elastic Search installation and implementation.
• Deep understanding of functional programming methodology and programming patterns for Clojure and Scala development.

Sr. Database Engineer/Developer

Confidential, Eagan, MN

Responsibilities:

• Provide support and SME resource for Oracle Golden Gate; Veridata solutions in AGILE environment
• Play key role in redesigning and development of company’s data synchronization software
• Took initiative on a new design and development reduced time and resources involved for fixing out-of-sync database problems in master-master replication solutions
• Serve as a resource for Golden Gate troubleshooting and fix data anomalies
• Provide analytical information for application teams regarding the existing production data sets
• Provide consistent support and implementation of best practices for Confidential DynamoDB in one of the key company Akkadia project
• Resource for performance related Oracle database issues; Standardize and implement new standards for documentation and naming for Veridata infrastructure
• Support customers with implementation of Oracle TDE solution
• Participate in Big Data POC for virtualization of Golden Gate, Linux and Oracle logs with LogStash, Elastic Search and Kibana solutions;

Sr. Technical Analyst/Architect

Confidential, Hopkins, Minnesota

Responsibilities:

• Manage and support Oracle HA solutions and database compression technologies; Lead the RAC focus group inside the database team
• Conduct trainings and documentation updates
• Develop and implement the automatic procedure for compression of the databases which allows implementing an Oracle OLTP compression technology company-wide with minimal costs; Lead SAP implementation (TARTAN project) establishing the operational standards and developing internal configuration validation procedures; Participate in High-Availability project and most of major Oracle related projects; Support SAP systems tuning; Support HANA administration
• Establish and develop strong business partnership with cross functional teams to support and drive continuous improvement initiatives; Participate in large scale lifecycle management projects involving the migration of Oracle environments to new servers and operating systems
• Support implementation of Oracle ExaData X2/X3 running POC for applications planned to migrate to ExaData; Implement Oracle Golden Gate and monitoring solution
• Successfully developed and implemented software for automatic implementation of Oracle compression solutions, which save company save money on storage.
• Successfully designed, developed and implemented infrastructure audit reporting system, which allowed standardization and validation of SAP landscapes.
• Successfully implemented pro-active SQL performance tuning methodology and archived the recognition for finding the potential resource consuming SQL and speeding up the MRP reporting.

DBA team lead

Confidential

Responsibilities:

• Assess current and discuss future needs with management to create a technology roadmap for database management
• Coordinate database upgrades projects and new software implementation within global environments
• Provide design, implementation and support of new engineering solutions
• Establish and develop business partnership with cross functional teams to support and drive continuous improvement initiatives related to database management
• Develop SQL tuning strategies; Provide technical leadership for a long term project that involved installation of ORACLE configurations conducting performance tests on new configurations and migration to the RH Linux 10G RAC from the Windows Oracle RAC
• Provide capacity planning, including database lifecycle strategy
• Develop DB security rules and policies; Coordinate development and support with “ Confidential ” RND center in Prague
• Data modelling and application design; Participate in application design development reviews; Conduct training for Database administrators

Lead Database Engineer/software developer

Confidential

Responsibilities:

• Provide administration of centralized ORACLE 8i; Conduct database and Application SQL performance tuning
• Design and implement application “Data analysis of synthetic and analytic accounts” and design data model for Stock Exchange Trading department
• Design and implement application for converting various data file formats to “flat” data files used for database loads
• Participate in development and design of “CFT Data Warehouse system” by programming ETL procedures; Data modelling and development related with electronic credit cards business solutions