Kalyan Kalvagadda

• Led multiple engineering teams in building and maintaining a cloud-based data analytics platform, ensuring high availability, performance, and scalability
• Product owner for Cloudera Data Lake in the public cloud, driving product strategy, roadmap execution, and feature delivery
• Delivered containerized Data Lake platform, enabling auto-scaling, reducing customer TCO, and improving operational efficiency
• Led cross-functional initiatives, including Kubernetes-based deployments, Helm management, and third-party service integrations
• Architected the transition from VM-based infrastructure to microservices, enhancing flexibility, resilience, and scalability
• Eliminated scaling downtime by implementing horizontal scaling, reducing deployment time by 75% and cutting costs by ~50%
• Migrated customers to a multi-AZ architecture, significantly improving availability and resilience
• Built and mentored globally distributed teams, fostering a 24/7 support model and a strong culture of collaboration across time zones
• Key Achievements:
• Containerized Data Lake: Led the transition from concept to production, enhancing scalability and cost efficiency
• Performance & Cost Optimization:
• Reduced deployment time by 75%
• Lowered costs by ~50%
• Achieved zero downtime during scaling
• Infrastructure Modernization: Migrated customers to a multi-AZ architecture, improving availability
• Leadership & Growth: Scaled and mentored globally distributed teams, establishing a 24/7 support model

Leadership and Team Management: Led a team of engineers in the development and maintenance of critical infrastructure services, ensuring high availability and reliability

• Open-Source Contributions: Delivered multiple security features in Apache Sentry and served as the PMC Chair, driving the project's direction and community engagement
• Migration Tools Development: Designed and delivered services to facilitate seamless migration from Apache Sentry to Apache Ranger, enabling customers to enhance their security frameworks
• Disaster Recovery Solutions: Developed and implemented features to back up and restore metadata in Cloudera Data Lakes, supporting disaster recovery and business continuity used for 100% of the customers on upgrades and reshaping the Cloudera data lakes,
• Collaboration with Development Teams: Partnered with development teams to ensure infrastructure met the requirements of data-intensive applications, optimizing performance and reliability

• Product: Avaya Session Border Controller for Cloud Service
• Owner for all the modules designed/developed by me

• Product: Polycom SIP endpoints
• Worked on various enhancements and defects in SIP stack and SIP application
• Led embedded development for SIP endpoints, implementing IPv6 migration and security engine integration while enhancing dual-stack capabilities through ANAT implementation
• Mentored junior developers, fostering professional growth and enhancing team productivity.
• Managed multiple projects simultaneously while maintaining strict deadlines and high-quality standards.

• Product: Sipera Session Border Controller
• Implemented Call Admission Control, DoS protection, and optimized non-SIP traffic handling for better performance
• Contributed to firewall and RTSP proxy development, strengthening system security
• Led development of DNS interface and transport layer frameworks, implementing ENUM support and TCP/TLS connection pooling to enhance scalability and performance of Avaya Session Border Controller
• Architected proxy framework for multiple application protocols (HTTP, XMPP, LDAP, RTP) while optimizing SIP B2B layer, resulting in improved system efficiency and reduced memory footprint
• Spearheaded IPV6 porting and SDP ANAT implementation, enabling dual stack capability while developing comprehensive RTCP monitoring and licensing frameworks
• Transformed product architecture by consolidating multiple SIP application layers, developing REST client functionality, and implementing robust B2B sub-state machine for new features
• Contributed to SIP stack optimization and application enhancement initiatives, resolving complex technical challenges while ensuring seamless communication protocols
• Orchestrated end-to-end development of security frameworks for SIP endpoints, delivering stable, secure communication solutions across multiple server platforms

• Product: Hughes SIP stack
• Enhanced SIP stack across multiple releases, improving reliability and reducing technical debt
• Led bug resolution efforts, boosting stability and customer satisfaction
• Streamlined maintenance with efficient debugging and code reviews
• Collaborated across teams for seamless SIP stack enhancements and deployment