Senior Developer Resume
Boston, MA
PROFESSIONAL SUMMARY:
- Over 10 years of IT experience in system analysis, design, coding, implementation, customization, testing and production support of business applications in Client/Server environment.
- Extensive knowledge of Software Development Life Cycle (SDLC), having thorough understanding of various phases like Requirements, Analysis/Design, Development, Testing and Production.
- Experience in Informatica Designer Tools like Mapping Designer, Source Analyzer, Target Analyzer, Transformation Developer, and Mapplets Designer to do the ETL process.
- Experience in integration of various data sources with Multiple Relational Databases like Oracle/Sybase, XML files, worked on integrating data from flat files like fixed width and delimited.
- Extensively used the transformation components like Source Qualifier, Expression, Aggregator, Filter, Router, Sorter, Update Strategy, Lookup, Joiner and Sequence Generator.
- Good experience in performance tuning of Informatica mappings and SQL queries.
- Extensive experience in designing and working with Oracle 8i/9i/10g/11g and writing SQL queries and PL/SQL Procedures, Functions, Packages, Database Triggers, Exception Handlers, Cursors, Database Objects using PL/SQL and possess good understanding of oracle data dictionary.
- Experience in physical and logical data modeling techniques like Dimensional/ Star Schema, Snowflake modeling, Slowly Changing Dimensions using Erwin and TOAD Data Modeler.
- Experience in Actuate ERD Pro 8.0/7.0, Actuate Report Server, API, Actuate Active Portal.
- Having knowledge of Big Data technologies.
- Experience in working with scheduling tools like Autosys.
- Performed various kinds of testing like Integration, Unit and User Acceptance testing.
- Excellent Interpersonal and Communication skills, coupled with strong technical and problem solving capabilities.
- Work well independently or as a part of team.
TECHNICAL SKILLS:
ETL/ Database Tools: Informatica PowerCenter 9.x, Toad, PL/SQL developer, ERwin, Toad Data Modler.
Programming Languages: PL - SQL, SQL, Shell Scripting, C, Pro*C, Vb 6.0
RDBMS: Oracle, Sybase
Reporting tools: Actuate 7/8, Crystal Reports and Orcale6i report builder
Operating System: Unix, Window 2000/XP
Other Tools: Autosys, ClearCase, HP Quality center, RTC, Github, Rational team concert, HP service manager
PROFESSIONAL EXPERIENCE:
Confidential, Boston, MA
Senior developer
Responsibilities handling:
- Developed and enhanced various powercenter mapping to perform ETL operation while loading data from flat file, database to Oracle database.
- Created various PL/SQL objects like packages, procedures, functions, triggers etc to perform business operation.
- Extensively working on performance tuning of SQL queries and informatica mapping.
- Developed PL/SQL code for new requirements, enhancements and debugging of procedures, packages and other Oracle objects.
- Performing data analysis, identify data patterns to understand requirement more precisely.
- Working with business analyst to deep understanding of the business requirements and analyzing the various scenarios and use cases.
- Working with business analysis to understand requirement and created logical/physical data model.
- Working on re-engineering of SDR application’s CFTC module to come up more scalable solution.
- Working closing with database migration team to migrate database from Solaris to Linux box.
- Coordinating with various supporting team like Ops, DBA and release management team to deploy code in production environment etc.
Environment: Informatica 9.1.0, PL/SQL, Oracle 11g, Unix, Shell Scripting, ERwin, Toad Data Modeler, HP Quality Center, ClearCase, Rational team concert, Autosys.
Confidential, Boston, MATechnology Lead
Responsibilities handling:
- Perform data analysis and identify data patterns, issues and trends.
- Developing a deep understanding of the business domain, document business requirements and analyzing the various scenarios and use cases.
- Working closely with the system analysts and project managers on multiple tracks.
- Developed PL/SQL code for new requirements, enhancements and debugging of procedures, packages and other Oracle objects.
- Created database objects like tables, views, synonyms, indexes, and sequences.
- Worked with Power Center -Designer tool to develop mappings to extract and load the data from flat files, Oracle to Oracle.
- Created various transformations like Source Qualifier, Joiner, Update Strategy, Rank, Expressions, Aggregator and Sequence Generator to load data into targets.
- Created reusable transformations and mapplets to use in multiple mappings.
- Created and ran debug sessions in the Debugger to monitor and test the sessions prior to their normal run in the Workflow Manager.
- Tuned Mappings for optimum performance.
- Generated SQL and PL/SQL scripts to create and drop database objects including tables, views, primary keys, indexes, constraints, packages, sequences, synonyms.
- Wrote SQL queries for data and report validation in TOAD.
- Co-ordination with different team within FIMT (e.g DBA, Release engineering and DB Ops) at both onsite and offshore for any technical issue, deployment, migration, database dumps. Also handing 4 members teams at offshore.
- L3 support and working on long term solution of frequent occurring incidents.
- Creation of UNIX shell scripts and using Autosys to schedule the triggering of these UNIX shell script jobs.
Environment: Informatica PowerCenter 9.1.0, PL/SQL, Oracle 11g, Unix, Toad, HP Quality Center, RTC, Github, Rational team concert, HP service manager, Autosys.
Confidential, Irvine, CATechnology Lead
Responsibilities handled:
- Identified technical solutions to solve business requirements and provide technical leadership during enhancements and development.
- Provided analysis and fix for emergency production issues.
- Gathered business requirements by conducting detailed interviews and one on one meeting with business users, stakeholders and SME's.
- Extensively used TOAD and PL/SQL Developer for daily development jobs.
- Worked with Business Systems Analysts and Database Administrators to understand and implement functional and non-functional requirements into the project.
- Identified issues with current database and resolved them. Installed and configured relevant components to ensure database access. Diagnosed and resolved database access and performances issues.
- Extensively worked on Actuate ERD Pro 8.0/7.0 report designer tool to develop the complex repots using PL/SQL and T-SQL stored procedures.
- Worked with Power Center -Designer tool to develop mappings to extract and load the data from flat files, Oracle to Oracle.
- Created various transformations like Source Qualifier, Joiner, Update Strategy, Rank, Expressions, Aggregator and Sequence Generator to load data into targets.
- Co-ordination different team like production support, application release team to deploy code in production environment.
- Performed unit testing of Actuate erdpro 7/8 reports, Informatica tasks and also supported QA team for their QA/UAT testing.
Environment: T-SQL, Oracle 10g,PL/SQL, Sybase, Unix, Infromatica PowerCenter 8.x, Actuate e.Report designer professional 7/8, Perforce, Autosys, Rapid SQL
Confidential
Associate Consultant
Responsibilities handled:
- Worked as a developer in creating complex Stored Procedures, packages, triggers, cursors, tables, views and other SQL joins and statements for applications.
- Designed and implemented complex Pro*C batches, stored procedures and packages. Implemented constraints on tables.
- Created code packages to deploy the code in higher environments like QA, UAT and Production.
- Independent unit testing(IUT) and System Integration testing of applications for performance, data Integrity
- Provided production support after the system was delivered to the client.
- Created indexes, constraints and rules on database objects.
Environment: Pro*c, PL/SQL, SQL, Oracle 10g, Java, Unix, SQL Developer, Toad.
Confidential
Project Coordinator
Responsibilities handled:
- To understand the business involved and related it to the design of different components of the generic system.
- Developed low-level designs (LLDs) and URS (user requirement specification) to suit business requirements.
- Developed and enhancing of Pro*C programs and schedule the programs through Autosys scheduler.
- Provided production support after the system was delivered.
- Created new database objects like Sequences, Procedures, Functions, Packages, Triggers, Indexes and Views using SQL and PL/SQL in Development and Production environment for Oracle 9i.
- Fine-tuned the logic in Procedures, Functions and Triggers for optimum performance.
- Developed Database Triggers to enforce Data integrity and additional Referential Integrity.
- Developed SQL Queries to fetch complex data from different tables in remote databases using joins, database links and formatted the results into reports and kept logs.
Environment: PL-SQL, Oracle9i, Pro* C, Orcale6i report builder, Unix, TOAD, PLSQL Developer.
Confidential
Programmer
Responsibilities handled:
- To understand business requirement from development.
- Developed and enhancing of Pro*C programs.
- Provided production support after the system was delivered.
- Created new database objects like Sequences, Procedures, Functions, Packages, Triggers, Indexes and Views using SQL and PL/SQL in Development and Production environment for Oracle 9i.
- Created Seagate crystal reports, data extraction and data loading scripts for different databases and schemas
- Development of vb6.0 code to enhance the functionality of ERP to handle business needs.
Environment: PL-SQL, Oracle9i, Pro* C, UNIX, VB6.0, Seagate crystal report, TOAD, PLSQL Developer.
