Experience

Ace Info Solutions LLC

• United States
• Information Technology & Services
• 100 - 200 Employee

• Senior Software Engineer

  • Jun 2021 - Present

  Senior Developer on USDA Forest Service's Natural Resources Management Contract Senior Developer on USDA Forest Service's Natural Resources Management Contract



US Forest Service

• United States
• Government Administration

• Consultant

  • 2001 - Present

  As senior team member, Mr. Petrakes is one of the go to members of the NRM Project Team. His broad business and technical understanding allows him to move to critical path projects with immediate impact and contribution for the USDA and Forest Service. The I-Web project primarily uses Oracle technology, during this time on the project the technology paradigm evolved from client server using Oracle forms and PL/SQL to J2EE development using Jdeveloper ADF/JSF on an Oracle WebLogic Server. •Architected development for Grants and Agreements Financial application using 11g ADF J2EE, with the knowledge that future application development will follow our lead. This is a large application with over 10,000 concurrent users. As a result our team created Project Framework, Standards, 508 compliance, Methodologies, and guided DBA’s with Web-Logic Server support and requirements. •Performed as Analysis and Developer on the Real Property Accounting Application and was a key contributor in the FFIS Interface development that transmitted capitalized and depreciated accounting transactions. •Developed numerous J2EE applications to update and replace existing Oracle Forms applications. •Performed as analysis, and developer incorporating Oracle Universal Content Management into the I-Web System. •Managed developement team and program of work. This included organizing project plans, keeping track of project status and schedules, upward reporting, and communicating with the client. Show less



GPTI

• Brazil
• IT Services and IT Consulting
• 1 - 100 Employee

• President

  • Jan 2001 - Jun 2021

  Day to day Management. Business Development including sales calls, presentations ,developing proposals in response to Federal and State RFPs. Developing Strategic Partnerships. Day to day Management. Business Development including sales calls, presentations ,developing proposals in response to Federal and State RFPs. Developing Strategic Partnerships.



TranTech, Inc.

• IT Services and IT Consulting
• 1 - 100 Employee

• Senior Systems Engineer

  • Sep 2000 - Dec 2001

  Performed Rapid Application Life Cycle Development (RAD) on numerous in-house systems and created an Enterprise ERD model for the AHRQ (Agency for Health Research and Quality). AHRQ gathered and tracked statistical data on various healthcare related issues. All system ran on the AHRQ intranet platform and resided on an Oracles 8.1.7 RDBMS database. •Analyst duties included: Gathering requirements from JAD sessions, e-mails, and existing applications that reside on Access, Notes or other databases. •Oracles’ Designer 6i case tool was used to create process models, ERD’s, and to generate application modules and DLL’s. •Designed and developed Web based data entry screens using Oracle Forms 6i for the AHRQ intranet. Show less



EER

• Staffing and Recruiting
• 1 - 100 Employee

• Senior Systems Engineer

  • Sep 1996 - Aug 2000

  Served as an application developer/team lead for the Enforce system on the Immigration and Naturalization (INS) ITP account. The Enforce system gathers biographic and biometrics data of illegal and criminal aliens entering the US borders. Data for this application is stored in an Oracle 7 RDBMS on a client/server platform. This data is used to track repeat offenders for investigation and prosecution. Duties included the following: •Determine requirements from users through JAD sessions, e-mail, and telephone conversations; create ERD diagrams via Oracle Designer/2000 case tool product as a baseline for developing the application, peer testing and writing documentation. •Design, develop, and maintain a GUI application using Oracle Developer/2000 (Sql*Forms, Sql*Reports, Pro*C), PL/SQL, C/C++. •As technical team lead, provide guidance and direction to the development team members on assigned tasks. Interview and make recommendations for additional staff, assign projects to staff, and monitor and conduct staff performance reviews. Show less



Altis Federal Systems, Inc

• Programmer/Analyst

  • Jun 1994 - Sep 1996

  Performed as a Programmer for the National Cancer Institute (NCI) contract on the Physicians Data Query (PDQ) and Cancerlit Systems. Data for these systems were stored in an Oracle RDBMS on an IBM AIX RS-6000 platform. Cancer information (protocols) was entered or queried, manipulated for dissemination, and transferred to vendors via the Internet or tape monthly. Responsibilities included the following: •Developed and maintained SQL*Forms, C, Pro*C (Embedded SQL and ANSI C), SQL Scripts, and UNIX Shell script programs in an X Windows environment. •Created and maintained Oracle 7 RDBMS tables, constraints, indexes, triggers, and other DBA functions. •Performed program analysis and design and added functionality to existing programs Show less



Computer Data Systems, Inc. (CDSI)

• Senior Programmer

  • Jan 1991 - Jun 1994

  Lead Senior Programmer for two projects on the Immigration and Naturalization (INS) contract. The Enforcement Case Tracking System (ENCATS) and the Acquisition Control and Tracking System (ACTS) projects used data entry screens on an RDBMS to control information. System development and maintenance were accomplished on an Oracle RDBMS Client/Server platform. Responsibilities on this system included: •Programmed in SQL*Forms for screen generation; Pro*C for system interfaces and for report generation. •DBA duties: created/maintained database tables, indexes, users, and tablespaces; installed/upgraded Oracle applications, and performance tuning. Show less