Lead Ab Initio Developer Resume
Chapel Hill, NC
SUMMARY
- 12 years of experience in the IT industry as a Ab - Initio Developer.
- Sound knowledge of Health Care & Insurance Domain. Also worked on FS Banking projects. Extensive experience as Lead Ab Initio Developer and Designer
- Excellent understanding of the System Development Life Cycle (SDLC). Involved in analysis, design, development, testing, implementation, and maintenance of various applications
- Deep understanding of Data Warehouse and Data integration frameworks
- Worked extensively on SQLs and SQL optimization techniques.
- Developed Ab-Initio graphs to integrate data from Oracle, Teradata, DB2, Excel, flat files, XML Files, MQ and Salesforce.com.
- Teradata 14.0 certified professional
- Sound knowledge of UNIX shell scripting.
- Developed prototype for parsing high volume XML files using Hadoop and storing output in HDFS for Ab Initio
- Experience in gathering and writing detailed business requirement and translating them into technical specifications and design
- Experience working as techno-functional Project Manager (Managing project plans, schedules and financials)
- Ability to work in a geographically distributed virtual team environment and to build relationships with internal and external stake holders.
- Experience working in onshore / offshore model
- Flexible, enthusiastic and project oriented team player with excellent communication skills with leadership abilities to develop creative solution for challenging requirement of client.
- Ability to understand long-term project development issues at all levels, from interpersonal relationships to the details of coding scripts with strong analytical, organizational, presentation and problem solving skills
TECHNICAL SKILLS
ETL Tools: Ab Initio (GDE Version 3.0.2.2, Co>Operating system 3.1.6.1), EME, Data Profiler, Familiarity with Ab Initio ACE (Application Configuration Environment) and BRE (Business Rule Engine)
Scheduling tools: Ctrl-M
RDBMS: Teradata 13.10, Oracle 11g, SQL Server, DB2
DB Tools: SQL*Loader, TOAD, Teradata SQL Assistant, Teradata Parallel Transporter
Languages: C, C++, Java, SQL, PL / SQL, XML, Shell Scripting
Platforms: Sun Solaris 7.0, HP-UX UNIX, Linux, Windows, IBM OS/360
Modeling Tools: Erwin, MS Visio, Rational Rose (UML)
Big data: Hadoop (Cloudera implementation) - Basic proficiency
PROFESSIONAL EXPERIENCE
Confidential, Chapel Hill, NC
Lead Ab Initio developer
Responsibilities:
- Analyzed business needs and documented functional and technical specifications based upon user requirements with extensive interactions with business users
- Extensively worked with the Ab Initio Enterprise Meta Environment (EME) to obtain the initial setup variables and maintaining version control during the development effort.
- Worked with data modeler to create Logical and Physical data model
- Extracted data from various sources like databases (Teradata, Oracle), delimited flat files and Salesforce.com
- Designed and developed parameterized generic graphs
- Designed Ab Initio graphs that would harness Teradata capabilities (ELT) and balance resources between database and Ab Initio
- Analyzed SQL explain plans to determine optimization techniques (join strategy, indexes, collect stats etc.)
- Responsible for the detailed design and documentation.
- Coordinated efforts with different teams and stakeholders
- Developed, tested and reviewed complex Ab Initio graphs, sub-graphs, DML, Psets, XFR, deployed scripts, DBC files for connectivity, create Package and exports.
Confidential, Deerfield, IL
Lead Ab-Initio Developer
Responsibilities:
- Design ETL mappings and interfaces to integrate data into data-mart
- Guide development team with creation of designs and build
- Participate in reviews with build teams as well as client business teams and technical architects
- Completed migration of 3+ years of historical data into data mart
- Designed ETLs that integrate with MQ series message queues
- Designed and build graphs for XML processing
- HL7 message handling
- Resolution of technical / environmental issues during development / build process
- Support client in User Acceptance Testing and quick turn-around on defects
Confidential, Deerfield, IL
Lead Ab Initio developer
Responsibilities:
- Designing ETLs to integrate various sources into Enterprise Data Warehouse
- Design ETL and Account Balancing and Control framework that can be used across ETL projects
- Architect solutions accounting for various performance considerations and load SLAs
- Work closely with data modelers to design EDW data models
- Created ‘Best practices’ and ‘Coding standards’ for development team
Confidential, Northbrook, IL
Lead Ab Initio developer
Responsibilities:
- Designed de-normalized tables and PL/SQL jobs that load into these tables that improved report performance up to 35%
- Designed reports consisting of 100 + key claims metrics
- Worked with EDW team to identify claims related data elements that needed to be part of EDW
- Worked on slow-running report SQLs either by using SQL tuning techniques or converting report SQLs into Ab Initio ETLs that improved report performance by up to 46 %.
- Developed in-take process to prioritize and triage report requirements and enhancements