Christine early career was at Sun working in the Java technology group in Burlington, doing research into advanced garbage collection algorithms. She joined the Programming Language Research Group at Oracle and worked on the runtime for the Fortress programming language (bytecode optimizer, software transactional memory, and compilation to a fork/join framework). In 2012, Christine joined Red Hat where she is a Senior Principal Software Engineer, and has developed a low pause time garbage collection algorithm for OpenJDK called Shenandoah.