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Lead Software Architect and Designer specializing in large scale parallel computer systems in the financial Industry (1000+ nodes, 1000+ TB data). Experienced in high performance transaction systems (2 thousand+ transactions/second) and high volume batch environments (1 million+ records/second). Industry expert in search/match/keying systems for entity resolution. Team Leader, mentor - heavily involved in business case development, technology prototyping, and applied R&D for new products and services. Expertise: Entity Resolution Systems, Parallel Computing Tools: Hadoop, Solr/Lucene, MongoDB, MapReduce, System Performance, Spark, Proprietary, Data Engineering. OS Dev Experience: Linux, Solaris, Windows, UNIX (other variations), Mac, Proprietary OS, MVS.Languages: Golang, C/C++, JAVA, Scala, JavaScript, Objective C, Assembler(Mainframe, Intel, Motorola, Series 1), ASN1, HTML, PLM, Python, PFA.Meta Tooling: AVRO, HeavyMeta, Protocol Buffers, XML, JSON, EMF, SQL.IVR: Dialogic hardware/software. Mobile App Dev: IPhone, Palm, Motorola. QuadCopter Development: ARDrone2, ArduPilot, Custom Builds.Database: Greenplum, CouchBase, MySQL, Oracle, SqlLite, Redis, HBase,leveldbProtocols: TCP, UDP, HTTP, Legacy(SNA, X25)Other Tools: Spotfire, Qlikview. OpenCV, Mesos, OpenGles, Cloudera Manager, Storm, Kafka, Ambari, Ethereum, Solr, ElasticSearch (ELK)Cloud: AWS (EC2, ECS, Lambda, RDS, Cloudwatch, CLI, EBS, SDK, VPC), Google(Big Query, Big Table, Cloud Storage, Dataproc, Dataflow, Compute Engine, SDK), Azure(Data Factory, Batch, Function, Sql, Cosmos, Data Lake Gen2, Synapse, Notebook)
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Enterprise Data Engineer DirectorVatica Health Nov 2021 - PresentAlpharetta, Ga, Us -
Vp Innovation And DevelopmentEquifax Aug 2009 - Nov 2021Atlanta, Ga, UsCore Systems Architecture and Innovation.Created prototypes for next generation Exchange Technology. Smart contract development with Ethereum, geth, solc, and Golang.Designed Meta tooling that supports meta defined projections (xml, json, csv, avro, protobuf, sql), anonymization, validation, and data profiling. Performance Management for Big Data Tools (Hadoop, Kafka, Spark, Storm, Casandra, Titan). Mentoring for developers, architects, and University Co-ops.Strong background in Data Engineering. -
Vp - Global Data IntegrationEquifax Jun 2006 - Aug 2009Atlanta, Ga, UsParallel Computing systems for data integration and data Warehousing. Created system for Dynamic Entity Management used for internal data linking. Developed patented graphing engine with built in search/match and online/offline data extraction.
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Vp Strategic Software DevelopmentEquifax Jun 2002 - Jun 2006Atlanta, Ga, UsLead designer of parallel in-memory database environment supporting $250 million business and consisting of over 2 million lines of code. Created seed system for dynamic entity management used for internal data linking implemented on parallel commodity computers. Design/Development of analytical modeling deployment platforms.
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Chief Technical OfficerImperitek Apr 2000 - Jun 2002Software Consulting Company. Work with a peer team to develop patented scoring and attribution engine used by offline and online environments on mainframe and super computers. Lead Architect and designer for Certificate Management System. Equifax purchased Imperitek for Parallel computing experience.
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Internal System ConsultantChoicepoint 1996 - 2000New York City, Ny, UsDesigned infrastructure components for Clue (Insurance Systems, Employment, I2K (Order System), Public Records, and Government systems. Won a number of employee awards (cash and GEM) for new technology. Developed custom IVR technology used for public record field collection. Developed Motorola two way pager application prototype to help develop government field agent two way communications. -
Internal ConsultantEquifax Jun 1988 - Jun 1996Atlanta, Ga, UsWorked with a Peer Team on the design, development, and implementation of a custom parallel database/search engine supporting the online credit Business's 500 million plus in revenues. Core Entity Resolution system for US population.Worked on team to design and implement all custom communication gateways supporting hundreds of system to system customers. (Tandem, Series1, Raytheon, Async, Bisync, X.25, LU2, LU6.2, TCP, IVR).
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Owner/PartnerMicrowerks Jun 1988 - Jun 1994Created one the first Windows Communications Packages. Package was sold as the Shareware package Microlink and later OEM'd to modem manufacturers as COMit. Partnered with Tradewind Software for OEM business.
Stephen Leitner Skills
Stephen Leitner Education Details
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Georgia State UniversityFinance -
University Of ArizonaInformation Systems
Frequently Asked Questions about Stephen Leitner
What company does Stephen Leitner work for?
Stephen Leitner works for Vatica Health
What is Stephen Leitner's role at the current company?
Stephen Leitner's current role is Director - Enterprise Data Engineering.
What is Stephen Leitner's email address?
Stephen Leitner's email address is st****@****xis.com
What is Stephen Leitner's direct phone number?
Stephen Leitner's direct phone number is +177074*****
What schools did Stephen Leitner attend?
Stephen Leitner attended Georgia State University, University Of Arizona.
What skills is Stephen Leitner known for?
Stephen Leitner has skills like Integration, Unix, Linux, Big Data, Analytics, Business Intelligence, Data Warehousing, Enterprise Architecture, Sdlc, Java, Databases, It Strategy.
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