Curriculum Vitæ



Sebastian E. Ferreyra Pons




Mitre 385
G4200DKG Santiago del Estero


(54 9 385) 500-8919 - (54 385) 422-9944

Date of birth

September 7, 1973

Place of birth



Argentina, Canada


English, Spanish, French
all written and spoken fluently



Three terms of advanced courses in mathematics, computer science and physics at S.U.N.Y. (State University of New York) at Stonybrook.


Grades 11 and 12 at Smithtown High School East, St. James, NY. Including elective college level courses on computer science, mathematics and analog and digital electronics.


Grades 7, 8, 9 and 10 at F.A.C.E. (Fine Arts Core Education), Montreal, Quebec, Canada. F.A.C.E. is a bilingual (English and French) school with academic orientation toward the arts.


Primary education in Spanish in Santiago del Estero, Argentina except 1982 finished in Flagler Elementary School, Miami, Florida.


2010-Present / Wordpress Plugin Development

Consulting, custom plugin design and development for EnsembleWeb, a Canadian web site development company. EnsembleWeb

2008-Present / Graphic Design & Technical Consulting

Graphic design, CGI imaging, technical consulting & special purpose software development for Expressart, an advertising agency based in Santiago del Estero, Argentina. Expressart

2007 – 2008 / Team Leader & Software Development

Development of software tools for the human resources industry including design implementation and developer team coordination. The system, based on modern architectural design, provides a sophisticated desktop user interface but accesses distributed web services under the hood thus providing a complete user experience while still reaping the benefits of SOA (Service Oriented Architectures). Responsibilities included maintenance of the various servers running in the system, of the promotional web site and the authorship and maintenance of source code in Java, C# 2.0, HTML and SQL for software destined to run on Windows and Linux. CandidateHunter International

2003-Present / Project Management & Software Development

Funding and managing a 3-person team in the development of an object oriented database engine and its supporting developer and management tools for Microsoft’s .NET environment and Sun’s Java platform. This OODB was my design and is intended to support nearly orthogonal data-persistence facilities for data objects in these platforms. Features being developed include ACID transactions, multi-server distributed storage nodes and data versioning for the purposes of auditing and conflict-resolution. To this date, the system is operational and approaching its alpha release version.

2004-2005 / Website Content Editor

Front-page story editor for, a website specializing in the Java developer community. The main responsibilities involve screening daily Java-related news and writing small articles with the intent of generating in-depth discussions among the members of the Java community. These tasks require staying up-to-date in all Java industry developments.

2000-2004 / Ingeniería de Software

Low-level development of high-performance primitive graphics rendering APIs and components for Java applications including gradient rendering at speeds equalling solid color filling in that platform.  Different versions of these components are licensed to open-source projects (Kunststoff LnF y Metouia LnF) and a version taking advantage of hardware acceleration to Jide Software for use in its component suite y and user interface framework.

2002-2003 / Software Engineering

Development of software architecture and components for internet connected multi-user server providing multi-company unified facilities for bus seat availability, reservation and ticket sale for nation-wide remote terminals. This system provides a graphical display over a map and when there is no direct service between two geographic points, provides possible connection points based on user-selected time constraints. 2-tier client/server architecture: Database with business logic in Stored Procedures on the server and Java technology including JDBC and SWT on the client-side.

1999-2002 / Software Engineering

Development and maintenance of multi-user system for legal firms managing overdue credit accounts using Java technology including Servlets, JSP, JDBC, JSP, XML, XSL, Dynamic HTML and CSS. 4-tier client/server architecture: Database, Business logic, Document generation on the server side and User Interface in the client. Currently running on company managing 43000+ accounts judicially and extra-judicially on database distributed over several provinces in northwestern Argentina, synchronized through the Internet.

1998-2001 / Website Administrator

Web site design, implementation and webmastering for Poder Judicial de la Provincia de Sgo. del Estero. This site belongs to the judicial branch of power of this province. Everything in this site including the navigational structure, graphics and animations was designed and created by me. Although no longer in charge, much of the graphics, animations and source code currently in use remain my creation as can be verified by the copyright notice in the html source code.

1998-1999 / Manager - Technical Service & Support Department

Head of technical department for the local franchise of Arnet, the largest ISP in Argentina. This franchise includes all the territory of the province of Santiago del Estero.

1996-1997 / Technical Consultant - Information Technology

Development of small information systems in Java for companies local to Sgo. del Estero, Argentina. Personnel training for various organizations in Sgo. del Estero on basic Internet Skills. Consultant for Icox, a Canadian-Argentine company providing internet services for Argentine businesses. Ref. Bruno Schmidt

1993-1998 / Technical Consultant - Graphics and Video

In charge of installation and maintenance of computer systems and digital/analog video editing equipment. Computer Animation for video. Calibration, digital treatment and preparation of pre-press originals for color catalogs and flyers. Personnel training to assist in these tasks, AMP Producciones, Sgo. del Estero, Argentina.

Technical consulting and personnel training, FREDY Publicidad, San Miguel de Tucumán, Argentina.

2D & 3D graphic design. Participation in production of TV commercials for these companies.

1992 / Sales Representative

Sales and promotion of educational material and personnel training for direct sales and marketing. Grolier Inc, Canada.

1990-1991 / Software Developer

Design and implementation of computer applications and tools, LAN and computer system maintenance and personnel training. Among applications developed are data acquisition and control programs for gel electrophoresis of DNA and mathematical analysis tools, S.U.N.Y. at Stonybrook, biochemistry department. Ref. Dr. Benjamin Chu

1989-1992 / Freelance Graphic Designer

Freelance graphic design for small companies and businesses in Long Island.

1989-1992 / Programming Assistant

Participation in development of routines in C and Assembly Language for large programming projects for companies such as Radio Shack/Tandy and Lavalin Engineering Inc. in Montreal, Canada. SOFTPOWER Inc., New York.



Systems Architecture, Graphics, Communications, Data Acquisition, Control, Operating Systems, Utilities

Operating Systems:


Computer Languages:

Java, JavaScript, C/C++, Assembler for MC68000, 80x86, 8080/8085/Z80, BASIC, PASCAL, FORTRAN

Web Standards:


Computer Programs:

Caucho Resin, Microsoft Internet Information Server, MySQL Server, Microsoft SQL Server, Eclipse, Sun Forte/Netbeans, Autodesk 3D Studio MAX, Adobe Photoshop, Macromedia Flash, Adobe Illustrator, Macromedia Freehand, Corel Draw, Adobe Page Maker, Adobe Premiere, Microsoft Office, Autodesk Animator Pro, etc.

Other skills:

Extensive teaching and training experience. Marketing and advertising experience in print, radio, TV and the web. Direct marketing experience.