Calix Inc.

Principal Software Engineer_JAVA

Job ID
Software Engineering
Position Type
Full Time


Calix is the largest telecom equipment supplier focused solely on access solutions for broadband service delivery. Service providers deploy Calix access systems to enable a rich set of information, communication, and entertainment services and to expand their revenue base beyond connectivity. Calix access innovation helps service providers transform their networks from circuit to packet, narrowband to broadband, and copper to fiber. Calix has deployed millions of ports and tens of thousands of systems into hundreds of service provider networks throughout North America. For more information, visit the Calix website at NYSE: CALX


  • You will play a vital role in the development and maintenance of a unified network management system of a multi-services telecom access platform.
  • You will be involved in the development and maintenance of a large-scale, Massive Data analysis system in cloud environment.
  • You will take responsibility to develop and maintain our cloud core module.
  • You will work with our cross function teams to make sure our cloud strategy well applied
  • You will participate in investigating advanced deployment technology and applying it into Calix Cloud services.
  • You will participate in design, implementation, and maintenance activities of large-scale cloud based data analysis system.


  • Rich experience of Java programming. Be familiar with Java performance tuning.
  • Understanding of Linux multiprocessing / multithreading, scheduling
  • Linux process / threads synchronization
  • Experience with MongoDB
  • Experience with messaging systems such as Kafka
  • Reasonable understanding of dynamic and statically typed / compiled languages will be a plus. Specifically:
  • Cython
  • JavaScript
  • Strong problem solving skill
  • Strong interest and ability to learn new skills/technologies
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