Rob Block Email & Phone Number

•Coding, code reviews, debugging, improving test coverage.• Refactoring/modularizing large code bases, breaking up monoliths.• Leveling up team engineering practices.• Fixing components that are crashing/unstable, have threading issues, memory leaks or performance/scaling issues.• Migrate on-premise to cloud or hybrid-cloud. Optimizing cost of cloud implementations. Debugging query timeouts / throttling.• Improving multi-tenancy and cost attribution.• Consulting on architecture, design / redesign.

Sunnyvale, Ca, Us

LinkedIn is an enterprise, SaaS based professional networking platform for professional combining elements of social networking, career development, and business opportunities.• Led a team of software engineers focused on the infrastructure of Ambry, LinkedIn's distributed blob storage product that provides real-time access to petabytes of media content. Managed project timelines and provided mentorship to foster team growth and development.• Directed efforts to enhance the scalability of Ambry's multi-tenancy capabilities, allowing for more flexible provisioning and resource management.• Oversaw the migration process of account metadata from Zookeeper to RDBMS, focusing on maintaining system efficiency and reliability.• Designed and implemented disaster recovery strategies utilizing Azure Blob Storage and Cosmos DB.• Liaised with sales, marketing, and customer support teams to ensure the alignment of technical solutions with customer needs and business objectives. Coordinated with various engineering teams for system compatibility and performance.• Established and managed advanced monitoring tools for assessing the health and performance of Ambry. Achievements• Successfully led a team of 3 developers in a multi-quarter project, resulting in the enhanced multi-tenancy of Ambry, enabling the provisioning of thousands of containers with flexible management.• Achieved zero-downtime during the critical migration of account metadata, contributing to improved system reliability and performance.• Successfully onboarded 8,000 LinkedIn customers following the account migration.• Architected and built a disaster recovery solution that significantly enhanced system resilience and data integrity.• Provided mentorship and guidance to junior engineers, promoting a culture of knowledge sharing and technical excellence within the team.• Drove continuous improvements and optimizations in the Ambry system through insightful data analysis and performance monitoring.

Skyhigh Networks is a cloud access security broker (CASB) that provides organizations with visibility and control over their data across cloud services.• Designed and developed a hosted, multi-tenant data pipeline for ingesting and analyzing shadow-IT traffic data, ensuring 24/7 operation and handling terabytes of data daily.• Architected and implemented RESTful data services to optimize the isolation of data storage details from pipeline job logic, enhancing system scalability and maintainability.• Led the adoption of unit testing and code review practices within the R&D team to improve code quality, coverage, and confidence.• Utilized a broad range of technologies, including the Hadoop ecosystem (HDFS, HBase, Map/Reduce, Oozie, Avro), Kafka, Elastic Search, MySQL, Crate, Spring, Eureka, JSON, and REST in project development.• Collaborated closely with cross-functional teams to translate business needs into technical solutions, ensuring alignment with company objectives and cloud security standards.• Provided mentorship and technical guidance to junior developers.Achievements• Successfully developed a scalable, SLA-driven, and fault-tolerant data pipeline that significantly enhanced Skyhigh Networks' capability to process and analyze large volumes of data, contributing to the company’s position as a CASB market leader.• Played a pivotal role in refactoring the system architecture, resulting in a more efficient, maintainable, and upgradable platform, which directly impacted the overall performance and reliability of the cloud security service.• Drove significant improvements in the R&D team's software development processes, leading to enhanced code quality and system reliability, and gaining recognition for leadership in implementing best practices in software development.

ArcSight (acquired by Hewlett Packard Enterprise) is a leading SIEM (security information and event management) provider that delivered cutting edge cybersecurity and compliance solutions.• Served as the development lead and architect for the ArcSight Correlation team, focusing on the ongoing enhancement of the rule’s engine within the ArcSight ESM platform.• Directed the performance improvement initiatives for the rule’s engine, targeting enhancements in concurrency, event throughput, and manageability.• Engaged in collaborative efforts with customers and Professional Services (PS) to identify and resolve field problems, thereby guiding product enhancements.• Oversaw extensive collaboration across development teams, Quality Assurance (QA), and Documentation (Doc) to synchronize efforts and streamline development processes.• Provided mentorship and leadership to junior team members, fostering a culture of technical excellence and professional growth.• Led the investigation and testing of memory scalability solutions, providing recommendations to product management for system enhancements. Achievements• Successfully architected and led the development of a scale-out solution for distributed real-time correlation, enhancing the robustness and efficiency of the ArcSight ESM platform.• Played a pivotal role in conceptualizing and executing several independent projects, leading to significant advancements in memory scalability and system performance.• Designed and delivered an innovative new feature set focused on behavior-based anomaly detection, which became pivotal in the financial and defense industries.• Contributed to HP Enterprise Security’s intellectual property portfolio by filing (granted) patents related to distributed event correlation and automated asset management based on network traffic analysis.• Presented work and technical advancements at three user conferences, showcasing leadership and expertise in the field of enterprise security.

Us

True Demand Software is a supply chain optimization platform, integrating advanced forecasting algorithms, real-time analytics, and predictive insights.• Designed and developed a scalable platform tailored for a next-generation supply chain optimization application, specifically for the consumer goods retail sector.• Led performance optimization initiatives for processing large-scale production data, involving complex product-location combinations within restricted time frames.• Utilized a variety of implementation technologies, including Spring, Hibernate, EJB, JMS, and Web services/SOAP, for developing robust application solutions.• Managed the deployment of applications in production environments across multiple platforms, including IBM WebSphere, SAP NetWeaver, and JBoss.• Served as a key liaison between the engineering and science teams, integrating advanced mathematical forecasting algorithms into the application.• Provided leadership and mentorship to offshore development teams, overseeing design processes, conference calls, and code reviews to maintain quality standards.Achievements• Successfully architected a platform that led to over 25x improvement in the performance of daily large-scale data processing, markedly enhancing the efficiency of supply chain operations.• Played a pivotal role in the seamless integration of sophisticated mathematical forecasting algorithms, significantly boosting the accuracy and predictive capabilities of the supply chain application.• Recognized for effectively bridging the gap between engineering and science teams, resulting in a more cohesive and collaborative development process.• Led and mentored an offshore development team, fostering skill development and ensuring high-quality output, which contributed to the successful deployment of the application on multiple enterprise platforms.

Palo Alto, Ca, Us

Developed next-generation configuration management system for Sun hardware design organization. Utilized Java, DBMS, client-server, and distributed systems technologies to enable engineering teams in geographically distributed sites to collaborate in real-time on design, data and release management.

Us

Developed enhanced features for Weblogic Integration, a J2EE-based B2B messaging server in 2.0 and 2.1 product releases, including recoverability and scalability. • Designed distributed cache management system to enable clustering. • Designed and developed fault injection framework to facilitate automated failure recovery testing. • Performed extensive system tuning for reliability and performance.

Palo Alto, Ca, Us

iPlanet Application Server Engineering (2000) • Project lead responsible for iAS 6.0 clustering component, which provided high availability services for J2EE state and session data.• Participated in next-generation J2EE architecture work, including redesign of clustering layer for enhanced scalability and performance.Information Appliance Group (1999 - 2000) Developed clustering extensions for Sun Ray 1.1 release, to facilitate deployment, configuration and management of server pools supporting hundreds of thin clients with minimal downtime. • Implemented distributed load balancing agent to attain optimal resource utilization on heterogeneous server clusters. Cluster Engineering (1996 - 1999) Designed and developed a cluster configuration repository for Sun Cluster 2.0 and 3.0 releases. • Devised two-phase commit algorithm to guarantee consistency among replicated data stores.• Implemented checkpoint and recovery protocol to ensure high availability.• Responsible for complete project life cycle including requirements gathering, design, development, testing and documentation.

M.S., Computer Science

B.A., Physics, Applied Math