Pablo Sebastián Sánchez
Verified Expert in Engineering
VoIP Developer
Córdoba, Córdoba Province, Argentina
Toptal member since September 28, 2015
Pablo is a software/telecommunications engineer with a strong background in SW development, project management (agile and traditional), networking/VoIP, and electronics. He has experience leading SW development/IT/Testing teams in multi-cultural environments, and is a proactive fast learner. He also has experience designing and implementing software (Java, C/C++, Android, Assembler, VBA, Perl, Shell Scripting).
Portfolio
Experience
- Assembler - 15 years
- C - 15 years
- C++ - 8 years
- VoIP - 6 years
- Project Management - 6 years
- Perl - 5 years
- Java - 5 years
- Android - 3 years
Preferred Environment
Eclipse, Qt Reactor, Windows, Linux, Git
The most amazing...
...framework I've built is an interworking framework to make SIP apps, like a RFC 3428 to TS 24.011 bridge. It allows non-RFC-compliant interconnecting stacks.
Work Experience
Android Architect/Developer
Startup (Social location app)
- Architected and developed a social location app prototype.
Trainer
Foundation Nativos Digitales (Mercadolibre)
- Trained developers in Java and Android.
Senior Telecommunications Engineer/Project Manager
Claro (AMX)
- Managed projects for VAS development projects.
- Evaluated and selected VAS platforms (Starhome, Tecnotree, Emblacom, Gemalto, etc).
- Engineered new VAS.
- Coordinated VAS deployment.
- Coordinated and/or executed acceptance tests.
- Troubleshot VAS-related issues.
- Created budgets, documentation, and presentations.
Senior Software Engineer
Intel
- Developed a compiler for a WDL (Work Definition Language) used to convert the WDL into JMeter's XML configuration files to improve the time to develop test cases.
Senior Software/Telecommunications Engineer/Project Leader
Motorola
- Led several technical teams (software testing/equipment interoperability certification/software development).
- Designed and developed a performance test tool for SIP servers.
- Designed and developed a SIP interworking framework to create SIP services, like a RFC 3428 to TS 24.011 bridge, a SIP registrar, and a SIP stacks interworking service.
- Designed and implemented data and voice networks.
- Integrated SIP equipment.
- Trained development/integration teams.
- Evaluated and purchased IP-PBXes, APs, AP controllers, routers, and switches.
- Managed projects.
- Tested software in a VoIP system project.
- Developed new features and maintained a wireless communication system used by the EEUU police department.
- Developed technical documentation for many projects.
- Worked as a Java developer/tester in an RFID assets tracking project.
- Designed and executed Linux embedded performance tests in an RFID assets tracking project.
- Performed software production process related tasks (CMMI 5).
- Worked as a requirements engineer for a set-top box project.
Experience
RS232-OBDII Interface
Home Automation System Using Power Line Communication
Automatic Acid Battery Charger/Equalizer
SIP Voice Echo Server
Education
Master's Degree in Data Networks
UNLP (Universidad de la Plata) - La Plata, Argentina
Associate's Degree in Project Management
PMValue - Buenos Aires, Argentina
Associate's Degree in Data Networks
Cisco Networking Academy - Córdoba, Argentina
Bachelor's Degree in Telecommunications Engineering
Universidad Blas Pascal - Córdoba, Argentina
Skills
Libraries/APIs
PJSIP, JDBC, WebRTC
Tools
Kamailio, Wireshark, IBM Rational ClearQuest, Git, Microsoft Project, Android Studio, Eclipse IDE, Apache JMeter, FreeSWITCH, Microsoft Visual Studio, Cisco Unified Communications Management Suite, ANTLR
Languages
Perl, C, XML, Java, Visual Basic for Applications (VBA), C++, Assembler, JavaScript, Domain-specific Languages (DSLs), UML
Frameworks
Core Telephony, OpenSIPs, Android SDK, Qt, Selenium
Platforms
Windows, Linux, Android, Eclipse, Embedded Linux, Mobile, NetBeans
Industry Expertise
Project Management
Paradigms
Scrum, Load Testing, Test Automation, Object-oriented Programming (OOP)
Storage
JSON, MySQL
Other
Routing, Ethernet, Microsoft 365, Proteus VSM, Microcontroller Programming, CCNA, TCP/IP, VoIP, SDP, SIP, Network Programming, Requirements & Specifications, Wireless Protocols, Performance Analysis, SSL, RESTful Web Services, RTCP, RTP, Unix Shell Scripting, Capability Maturity Model Integration (CMMI), NAT, Qt Reactor, Shell Scripting, Security, Proxies, PBX, Multiprotocol Label Switching (MPLS), Public Switched Telephone Network (PSTN), Telephony, LAN, WAN, Wireless, Networks, Web Services, QA Automation, Performance Testing, Value-added Services (VAS), Mobile Networks, MPLAB
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