Software Development Specialist

• Jan 2019 - Present

As part of the FreeRADIUS developer team. I have been working on new features, documentation, bug fixing and Involved in pre-sales of several projects around the world with AAA systems. ~> FreeRADIUS http://www.freeradius.org/ ~> NetworkRADIUS https://networkradius.com/ As part of the FreeRADIUS developer team. I have been working on new features, documentation, bug fixing and Involved in pre-sales of several projects around the world with AAA systems. ~> FreeRADIUS http://www.freeradius.org/ ~> NetworkRADIUS https://networkradius.com/

Senior Software Engineering Consultant

• Jul 2018 - Dec 2018

Data Security Engineer | Devops Technical Leader

• Feb 2016 - Jul 2018

Zenedge provides cloud managed cybersecurity protection for DDoS and WAF attacks to clients in multiple industries. ● Participation in the development of a Web Application Firewall (WAF), using Nginx, ModSecurity, Syslog-ng, C and Lua. e.g: https://github.com/jpereira/nginx-backtrace-ng ● Built an in-house custom SIEM based on open source technologies (Elasticsearch, syslog-ng, Heka, InfluxDB). Designed Zenedge hardware appliance which is used to run the Layer 7 security Firewall/WAF stack. ● Helped to scaled Zenedge Data Platform on Elasticsearch from 50GB to 4 TB per day, and scaled Security Runtime from 1,200 to 125,000 requests per second through kernel optimizations and TCP offloading using hardware ASICs. ● Continuous Deployment/Integration and auto scale using Ansible, TeamCity, and Githooks on Amazon Cloud. ● opensource.zenedge.com in an effort to contribute and build relations with the OSS community. Show less

Embedded Software Architect | Technical Leader

• Jul 2013 - Jan 2016

Coordinator responsible for the embedded systems area working on products for Community Wi-Fi and Captive portal. Developing the entire backend system, solutions and firmware based on OpenWRT Linux. Mentoring and coaching a group of system engineers. • Development using C, Shell Script, Python, PHP. • The solution was mainly focused in Wireless Routers, Cable and ADSL modem. • Standardization for the data model L2oGRE in TR-069 (broadband-forum) • Technologies as AAA (Aptilo), 802.1x, WISPr, EAP, PEAP, CoovaAP, CoovaChilli, TR-069, SNMP, DOCSIS 2.x, L2TPv3, L2oGRE, PPP, Provisioning, ACS (Auto Configuration Servers), Kernel Drivers, FreeRadius, EasyCWMP. About Mobicare The leader in wifi solutions in Brazil. Skills: Linux, C, Firmware, WiFi, AAA, Teaching, Leadership, Empowerment of people. Show less

Senior Software Developer

• Oct 2012 - May 2013

Development based on the high scalability, high-performance platform of the bomnegocio.com classifieds engine. C on Linux backend, using Apache extensions via APR (Apache Portable Runtime), multithreaded services and modules such as templates, building, daemon. Web technologies like C (CGI), PHP, Shell, HTML, Selenium, etc. Development based on the high scalability, high-performance platform of the bomnegocio.com classifieds engine. C on Linux backend, using Apache extensions via APR (Apache Portable Runtime), multithreaded services and modules such as templates, building, daemon. Web technologies like C (CGI), PHP, Shell, HTML, Selenium, etc.

Embedded Senior Software Architect

• May 2009 - Sep 2012

Development of AstroTV middleware, the first commercial full implementation of the Ginga standard ( Brazilian DTV standard based on the MHP/DVB). It was developed in C/C++/Java/Lua with many requirements such as portability, exception-safe, leak-free, thread-safe, performance and full standard coverage. skills over ISDB DTV, DLNA, dsmcc, section filter, closedcaption, demux, Ginga, NCL. Interaction with device manufacturers in order to help them porting AstroTV stack to their platforms. Discuss and implement architecture and requirement changes on a Digital TV Middleware, compliant with the Brazilian (Ginga) standards. About TQTVD http://www.tqtvd.com/ Show less

Software Developer

• 2003 - 2011

Projects * VINO (vnc-server) * VINAGRE (vnc-client) Projects * VINO (vnc-server) * VINAGRE (vnc-client)

Embedded Systems Engineer

• Jan 2006 - May 2009

I worked as Systems Engineer in many projects in laboratory of embedded systems. below the main projects. Project POSITIVO – (Win32/Linux/C++) Architect/developer responsible for setting the backend integration of Linux and Win32, using sockets, IPC, Glib, GTK+, D-bus, KDE Libs, Qt3, customization based on a PPP dialer KPPP. Project PIVÔ Central – (uClinux/C) Responsible for the specification and development of a device to control the "Center Pivot Irrigation". Adding a network distributed service used to collect and monitor the state of the device over a web and CLI interface. Project BEMASALE – (uClinux/C/C++) Critical system developed in C / C++, running on a device with a customized ARM7 processor and uClinux. Responsible for customizing the Linux used by the system. developing and specifying the architecture of components that communicate with external devices. e.g: thermal printers, barcode reader, text and graphics displays, custom keyboards and among other devices. Project HIPERFLEX – (Embedded/C) Developer responsible for GPRS communication modules and modem v.90 with the rest of the application, always working on HAL (hardware abstraction layer). Customizations specific to the credit card (POS - point of sale) machines from Hypercom and Ingenico brand. Project QPA – (Win32/C/C++) Architect and developer of communication protocol between reader device application and barcode, defining/developing device siren, door sensors and motion; gizmos readers of banknotes and coins (BillChanger / Global CoinChanger MEI) and access buttons; specifying and creation of a SDK to access the devices. --- About CESAR Amongst the top IT innovation institutes in Brazil. Show less

IT Analyst

• Jan 2005 - Jan 2006

Development and customization of systems using Java / ShellScript / PHP4 for the HIPERCARD credit company. Modification of systems for execution on IBM mainframes. Development and customization of systems using Java / ShellScript / PHP4 for the HIPERCARD credit company. Modification of systems for execution on IBM mainframes.

Development Consultant

• Jan 2003 - Jan 2005

Developer of C / PHP4 / ShellScript systems. System administrator of servers located in Brazil and Dallas - USA. Developer of C / PHP4 / ShellScript systems. System administrator of servers located in Brazil and Dallas - USA.

Teacher

• Jan 2001 - Oct 2004

Taught courses in Linux, TCP/IP networks and ShellScript for the Network Specialist and Software Developer programs. Instructor of software development courses for several companies. Taught courses in Linux, TCP/IP networks and ShellScript for the Network Specialist and Software Developer programs. Instructor of software development courses for several companies.

Developer / Sysadmin

• Jan 2000 - Dec 2002

Developer of C and PHP4 systems. Unix system administrator responsible for CISCO and CYCLADES routers. Management of network services in an ISP (Internet Service Provider). Training and consulting services for large enterprises and state departments in Pernambuco. Developer of C and PHP4 systems. Unix system administrator responsible for CISCO and CYCLADES routers. Management of network services in an ISP (Internet Service Provider). Training and consulting services for large enterprises and state departments in Pernambuco.