Senior Database Systems Engineer

Imagine what you could do here. At Apple, new ideas have a way of becoming great products, services, and customer experiences very quickly. Bring passion and dedication to your job and theres no telling what you could accomplish! Apple is seeking experienced Database Systems Engineers to join our Cassandra Integration team. Apples Cassandra organization develops and contributes to Apache Cassandra, an open source distributed database powering many of Apples most critical internet services. Join a team of experts, working with industry leading modern database technology, distributed systems and storage engineering to evolve Apache Cassandra. The teams work is deployed at massive scale. It also has big impact, providing the storage platform upon which many iCloud, Media, Apple Store and other internet services at Apple are built. The work in this role will benefit all users of Apple products and is crucial to the success of current and future offerings.

Apples Cassandra Integration team develops systems that are correct, reliable, scalable, and fast. This work requires an innovative spirit and an extraordinary degree of care and rigor in engineering. Team members contribute to all major open source components of Apache Cassandra and its growing official ecosystem, including authentication / authorization, control plane (Apache Cassandra Sidecar), bulk analytics (Apache Cassandra Analytics) and full featured, deep integrations inside and around Apache Cassandras massive ecosystem! As a member of this team, you will build and evolve major components of the database. There areas include:

• Bulk Data Interchange
• Data and Control Plane Isolation
• Security and authorization
• Tenant isolation
• Traffic and load balancing
• Quota and rate limiting 6+ years of experience in Database Internals Engineering or High Performance Distributed Systems. Proficient in modern Java including Concurrency, Memory Management and Garbage Collection concepts. Deep understanding of data structures and algorithms in storage systems. Understanding of REST, HTTP, TCP/IP and other critical Internet protocols. Understanding of the Big Data Ecosystem. Understanding of distributed systems concepts (fallacies of distributed computing, CAP, FLP, etc). Understanding of database concepts (consistency models, isolation levels, crash and recovery semantics). Performance engineering (design concepts, profile-guided optimization) Excellent communication, ability to partner with our Site Reliability peers, and a high degree of customer focus when engaging with internal platform customers. The ability to work effectively with colleagues in other locations is essential; prior experience with distributed teams is a plus. BS, MS, or Ph.D in Computer Science-related fields or equivalent work experience. Demonstrated expertise developing distributed systems including concepts such as traffic and load balancing; quota and rate limiting; multi-tenant isolation; and security engineering. Experience developing critical internet services and/or platform infrastructure. Experience developing software in open source communities a plus. Experience developing database systems or distributed systems. Advanced knowledge of security standard methodologies.