Carlos Ratzer personal email
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I'm specialist in Smart Cards, GSM/UMTS/LTE/5G, NFC, SIM/USIM/ISIM/eSIM, embedded USIM (eUICC), Mifare technology, Javacard development, satml/wml. I have implemented in Visual Basic (DLLs), Java EE (1.8), .NET, different applications for connecting to readers from different suppliers with PC/SC and native libraries.I have also implemented a framework for Evolis and Magicard Smart Cards printers in .NET. Specialist in testing applications for Mobiles, JavaCard Applets, Applications, running UAT (User Acceptance Testing).I have experience in Mobile Financial Services: Mobile Banking, Mobile Wallet, TSM (Trusted Service Manager).I have managed data processing for many years, applying rules, patterns, etc, for different needs. I have implemented data management in different programming languages: .NET, Java, Python.Security algorithms implementation: DES, DES-CBC, AES, MILENAGE, SHA-1, etc, in different programming languages: .NET, Java.Some Goals:Having helped many Operators in launching GSM since 2000 in Latam.Tools development that help engineers and customers with their daily work. I had developed a lexicographic analyzer to resolve any type of formulas, and it is like a compiler. This tool was developed for Data Warehousing.Tools I have developed and give them for free:Link Google Drive:https://drive.google.com/drive/folders/0B4Hphk8Dk7GHZmlEYWJCc2RYQlU?usp=sharing
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Coordinador De IngenieríaSiprocalArgentina -
Director Of EngineeringSiprocal Apr 2023 - PresentBuenos Aires Province, ArgentinaResponsible of Latam accounts. R&D of new products related to SIM Channel and SMPP platform.Development and maintenance of SIM products and SMPP backend platform. Java SIM application transmits data to Android APK. Development of Java applets prepared for SIM/USIM/eSIM/iSIM with the Eclipse Foundations IDE. Assuring interoperability of Android Applications with SIM Javacard Applets with Carrier Privileges and UICC.Development QA framework in Python for automatic validation of SIM… Show more Responsible of Latam accounts. R&D of new products related to SIM Channel and SMPP platform.Development and maintenance of SIM products and SMPP backend platform. Java SIM application transmits data to Android APK. Development of Java applets prepared for SIM/USIM/eSIM/iSIM with the Eclipse Foundations IDE. Assuring interoperability of Android Applications with SIM Javacard Applets with Carrier Privileges and UICC.Development QA framework in Python for automatic validation of SIM card Java applets.Developments for data processing in Python. Show less -
Director Of EngineeringDigitalreef Dec 2021 - Apr 2023Buenos Aires Province, ArgentinaResponsible of Latam accounts. R&D of new productos related to SIM Channel and SMPP platform.Development and maintenance of SIM products and SMPP backend platform. Java SIM application transmits data to Android APK. Development of Java applets prepared for SIM/USIM/eSIM with the Eclipse Foundations IDE. Assuring interoperability of Android Applications with SIM Javacard Applets. -
Regional Technical ManagerValid S.A. Dec 2017 - Dec 2021ArgentinaResponsible for GSM/UMTS/LTE/5G/eUICC technology and SIM/USIM/ISIM Cards for Argentina, Brazil, Bolivia, Chile, Paraguay, Uruguay and some countires in the Caribbean such as Panama. I have engineers in charge. Support pre and post sales in all Company products such as: smartcards, solutions for OTA, s@t, eUICC M2M and Consumer, software, data processing for chips personalization, etc.Specialist in testing Mobile Applications, JavaCard Applets, OTA network simulations, running UAT (User… Show more Responsible for GSM/UMTS/LTE/5G/eUICC technology and SIM/USIM/ISIM Cards for Argentina, Brazil, Bolivia, Chile, Paraguay, Uruguay and some countires in the Caribbean such as Panama. I have engineers in charge. Support pre and post sales in all Company products such as: smartcards, solutions for OTA, s@t, eUICC M2M and Consumer, software, data processing for chips personalization, etc.Specialist in testing Mobile Applications, JavaCard Applets, OTA network simulations, running UAT (User Acceptance Testing).Tools development in .NET and Java for testing and process automation.Day to day interaction with people worldwide: Europe, Asia, Americas.Systems management such as: Jira (Atlassian Corp), PLM (Product Center - SofTech). Show less -
Software EngineerSmartledge S.A. Feb 2012 - Dec 2020Buenos Aires, ArgentinaHaving developed a framework for working with Evolis/Magicard printers, taking into account GCBA project “BA en todo estas vos” and “Boca Juniors” (Visual Basic 6.0, DLLs). Personalization of Mifare Classic 1k/4k, Magstripe and printing plastic ABS and PET.Having developed a framework for working with Chili Universities taking into account Mifare Classic 1k/4k in Java (Java EE 1.8)Implementation of the following smartcards readers: Gemalto ProxSu, HID Omnikey and Elyctis Arygon… Show more Having developed a framework for working with Evolis/Magicard printers, taking into account GCBA project “BA en todo estas vos” and “Boca Juniors” (Visual Basic 6.0, DLLs). Personalization of Mifare Classic 1k/4k, Magstripe and printing plastic ABS and PET.Having developed a framework for working with Chili Universities taking into account Mifare Classic 1k/4k in Java (Java EE 1.8)Implementation of the following smartcards readers: Gemalto ProxSu, HID Omnikey and Elyctis Arygon, everything through PC/SC standard.Developments with VB.NET for WebCams and Secugen FingerPrints with ActiveX (Visual Basic 6.0) Show less -
Development Manager For Sim (Subscriber Identity Module)Bennu S.A. Jan 2015 - Sep 2017Buenos AiresResponsible for innovation and implementation of products and services related to SIM/USIM/ISIM in all form-factors. Responsible for design and implementation of electrical profiles and embedded applications in Telecom Operators, such as “S@T browser”. Responsible of modules, operating systems and applications for a right endorsement in Telecom Operators.Specialist in different algorithms implementation: DES, 3DES, Milenage, Comp128 v1 v2 v3, AES, SHA, Global Platform, etc., taking into… Show more Responsible for innovation and implementation of products and services related to SIM/USIM/ISIM in all form-factors. Responsible for design and implementation of electrical profiles and embedded applications in Telecom Operators, such as “S@T browser”. Responsible of modules, operating systems and applications for a right endorsement in Telecom Operators.Specialist in different algorithms implementation: DES, 3DES, Milenage, Comp128 v1 v2 v3, AES, SHA, Global Platform, etc., taking into account different programming languages: Java, .NET, some in Android.Tools development in java, php, Android, and .net for encryption, MAC signature, sim toolkit, stress testing for javacards, etc. Some goals developing tools:- Milenage/A3A8 authentication algorithm simulation with DLLs.- Getting all the SIM Toolkit according to standards from any SIM/USIM card automatically.- Loading java applets with Global Platform and OTA with standards such as 23.048. Show less -
Pre-Sales Engineer / Business AnalystGemalto Nov 2010 - Jan 2015Buenos AiresPre-Sales Engineer and Business Analyst in Gemalto Global Services for all Latam, specialized in Mobile Financial Services. Responsible for the design and support of Software and Services solution offers, contribute to maximize solutions re-use and minimize development/integration cost/time-to-market for all mobile financial services opportunities, NFC (Near Field Communication) and LTE (Long Term Evolution) mainly.Specialist in Mobile Financial Services, banking solutions with mWallet… Show more Pre-Sales Engineer and Business Analyst in Gemalto Global Services for all Latam, specialized in Mobile Financial Services. Responsible for the design and support of Software and Services solution offers, contribute to maximize solutions re-use and minimize development/integration cost/time-to-market for all mobile financial services opportunities, NFC (Near Field Communication) and LTE (Long Term Evolution) mainly.Specialist in Mobile Financial Services, banking solutions with mWallet and EMV (Europay, Mastercard and Visa standard), NFC (Near Field Communication), and LTE (Long Term Evolution). Show less -
Technical And Development ManagerGemalto Jun 2008 - Oct 2010Buenos AiresResponsible for smartcard applications development center taking into account clients in all Latam. We work with SVN, JUnit, ECLIPSE, awk, etc.I had in charge 5 engineers. Development of Mobile Banking applications taking into account smartcards (SIM). -
Technical ManagerGemalto (Ex Gemplus) Nov 2003 - Jun 2008Buenos AiresTechnical Manager in technology with GSM (Global System for Mobile Communications) and SIM Cards for 6 countries: Argentina, Bolivia, Chile, Paraguay, Peru and Uruguay.I had in charge 6 engineers. Day to day interaction with people from Latam, Europa and USA. -
Senior Technical ConsultantGemalto Feb 2000 - Nov 2003Buenos AiresSpecialist in smartcards technology. Support pre and post sales in all Company products such as: smartcards, readers, software and drivers. Development of software in C and Visual Basic programming languages for smartcards. Development of SIM Toolkit application in Java programming language. -
Senior ConsultantPricewaterhousecoopers Jan 1998 - Dec 1999Buenos AiresSpecialist in the following platforms: WINDOWS NT, NOVELL and UNIX, and also DATA WAREHOUSING. Worked abroad in different countries such as Brazil and Colombia. Developed software to monitor operational risks with the Visual Basic 6.0 programming language withconnection to relational databases such as ORACLE, SYBASE, SQL SERVER, etc.Presented software in USA. Developed software in Excel to help auditors work. Audited Bank Systems and worked in Security. -
Technical Project LeaderOsc S.A. (Information System Consulting Company) Oct 1996 - Dec 1997Buenos AiresWorked as a Project Leader and programmer analyst of a DATA WAREHOUSING and DATA MANAGEMENT worldwide product. The product was developed in VISUAL BASIC 5.0 and 4.0 in 32 bits with connections to any type of databases such as ORACLE, SYBASE, INFORMIX, SQL SERVER, AS400, etc., connecting with ODBC APIs.Handled DEMOS in English and 2 engineers in charge. Worked with different Data Warehousing tools. Built a lexicographic analyzer to resolve any type of formulas and also the Y2K… Show more Worked as a Project Leader and programmer analyst of a DATA WAREHOUSING and DATA MANAGEMENT worldwide product. The product was developed in VISUAL BASIC 5.0 and 4.0 in 32 bits with connections to any type of databases such as ORACLE, SYBASE, INFORMIX, SQL SERVER, AS400, etc., connecting with ODBC APIs.Handled DEMOS in English and 2 engineers in charge. Worked with different Data Warehousing tools. Built a lexicographic analyzer to resolve any type of formulas and also the Y2K problem.Administrated different databases such as SQL SERVER and SYBASE, and different networks such as: WINDOWS 95 and WINDOWS NT servers, with NETBEUI and TCP/IP protocols connecting to AS400, Windows NT, and UNIX servers. Show less
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Software DeveloperSicma - Information System Consulting Company (Belonged To The “Perez Companc” Group) Feb 1996 - Oct 1996Buenos AiresPatagonia S.A. - insurance company- Worked in analysis and programming in SQL*WINDOWS with WINDOWS NT, Windows for Workgroup and the SYBASE database with a RISC 6000 (AIX)platform. Worked in analysis and programming in VISUAL C++ using low-level functions (APIs) for massive printing. Built DLLs (dynamic link libraries).
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Software DeveloperBuenos Aires System - Information System Consulting Company Dec 1994 - Jan 1996Buenos AiresCamara Argentina de Comercio Exterior - government division- Worked in analysis and programming in VISUAL BASIC under WINDOWS NT and Windows for Workgroup with the SQL SERVER database.Human Resources Project- Worked in analysis and programming in VISUAL BASIC under Windows forWorkgroup with the MSACCESS database.Other Tasks- Administrated WINDOWS NT and Windows for Workgroup Networks.
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Software DeveloperT.P.S. S.A. - Information System Consulting Company Jul 1994 - Dec 1994Buenos AiresSiderar SAIC – Steel Company - Budget Planning ProjectWorked programming in VISUAL BASIC under WINDOWS NT and Windows for Workgroup with the SQL SERVER database.Worked programming in VISUAL C++ to create DLLs (dynamic link libraries) with the SQL SERVER database under WINDOWS NT and Windows for Workgroup.Auas Argentinas S.A. – Water Service Company – DENARIUS projectWorked programming C-FIX with IDEAFIX database with AIX.Banco Galicia – BankWorked programming in RM-COBOL… Show more Siderar SAIC – Steel Company - Budget Planning ProjectWorked programming in VISUAL BASIC under WINDOWS NT and Windows for Workgroup with the SQL SERVER database.Worked programming in VISUAL C++ to create DLLs (dynamic link libraries) with the SQL SERVER database under WINDOWS NT and Windows for Workgroup.Auas Argentinas S.A. – Water Service Company – DENARIUS projectWorked programming C-FIX with IDEAFIX database with AIX.Banco Galicia – BankWorked programming in RM-COBOL 85 under UNIX. Show less
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Software DeveloperI.T.G. Consultores S.A. - Information System Consulting Company Jan 1994 - Jul 1994Buenos AiresBanco Buen Aire – BankWorked programming in SQL*WINDOWS under the ORACLE database with connection to the NOVELL network.Worked programming in the C language under UNIX and the ORACLE database (PRO-C).Sudamerica Seguros – Insurance CompanyWorked programming in the C language under UNIX and the ORACLE database (PRO-C).
Carlos Ratzer Skills
Carlos Ratzer Education Details
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Business Administration -
Centro Universitario De IdiomasLevel 4 -
Alliance FrancaiseFrench Language -
Systems Engineering -
Argentine Culture English Association Of Buenos AiresEnglish Language
Frequently Asked Questions about Carlos Ratzer
What company does Carlos Ratzer work for?
Carlos Ratzer works for Siprocal
What is Carlos Ratzer's role at the current company?
Carlos Ratzer's current role is Coordinador de Ingeniería.
What is Carlos Ratzer's email address?
Carlos Ratzer's email address is yo****@****ail.com
What schools did Carlos Ratzer attend?
Carlos Ratzer attended Universidad Tecnológica Nacional, Centro Universitario De Idiomas, Alliance Francaise, Universidad Tecnológica Nacional, Argentine Culture English Association Of Buenos Aires.
What skills is Carlos Ratzer known for?
Carlos Ratzer has skills like Expert In Satml And We Have Launched Many Operators In This Technology, I Have Developed Interoperable Java Card Applications, I Have Helped Many Operators Launching Their Gsm Networks In The Region, Moran Than 10 Years Developing In Visual Basic And Java Card, Nfc, Lte, Data Warehousing, Mobile Banking, Gsm, Visual Basic, Smart Cards, Telecommunications.
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