# biraja devulapalli > Principal Engineer at Palo Alto Networks Location: San Jose, California, United States Profile: https://flows.cv/biraja I'm Software Development Engineer with 14+ years of development experience. I’m passionate about programming and learning new technologies. I’m working on developing cutting edge security and system applications. Worked individually and also with teams in Agile development environment. Received a CCNA certificate and an Advanced Cyber Security Certification from San Jose State University. I’m familiar with Security Development Life-cycle. Constantly updating my knowledge taking training and online courses. Areas of Interest: Programming (C, C++, Python), Data Structures, Algorithms, Computer Security, Internet Protocols Specialities: Programming/Scripting Languages: C, C++, Python, Shell Scripting Operating Systems: Linux, Cisco IOS Protocols: TCP/IP, SSL, IPSec Tools/IDE: Eclipse, NetBeans, Microsoft Visual Studio 2008, Perforce, HTTPWatch, Wireshark, HTTP Fox. ## Work Experience ### Principal Engineer @ Palo Alto Networks Jan 2020 – Present | United States - Working on Layer 7 Security (Content Threat Detection) software on NGFW. - Designing and developing content threat detection features at the application layer, which includes URL filtering, Data Loss Prevention, Advanced Threat Protection, and Local Deep Learning. ### Senior Software Engineer @ Broadcom Inc. Jan 2019 – Jan 2020 | Mountainview ### Technical Leader @ Symantec Jan 2016 – Jan 2019 | Mountainview, CA - Integrated SSL Proxy with OpenSSL 1.1.1 for TLS 1.3 support- - Worked on SSL-Proxy, OpenSSL-1.1.1 State-machine, TLS extensions and TLS record layer code components to make HTTPS-interception work for TLS 1.3 connections - Developing policies and security features for SSL Proxy component on Proxy-SG security gateway, which does HTTPS Intercept, SSL Intercept and TCP tunneling - Worked on the SSL-Proxy re-architecture to make it TLS 1.3 ready Added support for new OpenSSL supported ciphers and functionalities available in the latest OpenSSL versions - Patch fixes for the security vulnerabilities (CVE’s) found in OpenSSL code to the Proxy-SG version of the same - Implemented new SSL access and SSL intercept layer policies to alter SSL intercept and tunneling decisions - Implemented and enhanced OpenSSL FIPS power-on-self-tests and algorithm vector tests, and have tested the Proxy-SG for FIPS and Common Criteria compliance in the presence of auditors - Working on high priority customer issues in SSL Proxy and Certificate Management components ### Staff Software Engineer @ Blue Coat Systems Jan 2016 – Jan 2016 | Sunnyvale, CA Working on SSL Proxy features on Proxy SG platform. ### Senior Software Engineer @ Cisco Systems Jan 2013 – Jan 2013 | San Jose, CA 1. Implemented SAML 2.0 authentication support for AnyConnect client on ASA 2. Worked on SAML 2.0 authentication support for WebVPN component on ASA. 3. Worked on content inspection and rewrite engine. Skills: C, SAML, SSL, GUNIT, Perforce, Python, GDB, Coverity, Agile environment. ### Senior Software Engineer @ Cisco Systems France Jan 2008 – Jan 2013 | San Jose, CA 1. Worked on SSL VPN server on ISA500 (UTM) to support AnyConnect client. 2. Worked on the integration of Internet Key Exchange (IKEv2) protocol and Extensible Authentication Protocol (EAP) into ISA500 to support AnyConnect IPSec VPN. 3. Integrated Cisco Software Licensing into ISA500. 4. Worked on implementing Cisco Discovery Protocol (CDP) into ISA500. ### Software Engineer @ Cisco Jan 2002 – Jan 2008 | San Jose, CA 1. Implemented polling functionality to improve the performance of network packet driver. 2. Implement particle support and IP/UDP header caching to improve the performance of network packet driver. ## Education ### Master’s Degree in Computer Science The University of Texas at Dallas ### Advanced Cybersecurity Certificate in Cyber Security San José State University ## Contact & Social - LinkedIn: https://linkedin.com/in/biraja-devulapalli-8592672 --- Source: https://flows.cv/biraja JSON Resume: https://flows.cv/biraja/resume.json Last updated: 2026-04-12