Backend Java Engineer

Job ID
US-CA-San Jose

About the Job

8x8 is seeking a talented Backend Java Developer to join our growing technology team. This is an exciting opportunity to become a member of the 8x8 core team that is driving 8x8 Virtual Office product core research and development.

8x8, Inc. is a leader in the Unified Communications as a Service (UCaaS) field, providing our customers with a state of the art cloud communications platform, integrating a variety of services such as phone, fax, web collaboration, meeting, messaging, and video.



  • Understand, interpret and clarify functional requirements as well as technical requirements for product features and functionalities
  • Work with Product Management and other teams to define software specifications
  • Collaborate and contribute to architecture and design decisions driving product direction
  • Implement and maintain modern micro-services as part of the overall system


  • Minimum 4 years of professional experience
  • Strong core Java skills and experience
  • Knowledge of Java concurrency and multi-threading
  • Database experience, working knowledge of SQL
  • Experience with REST API design and tools
  • Full lifecycle development experience, knowledge of modern development practices and processes
  • Excellent problem solving skills and ability to work independently as well as in teams
  • Application performance management skills
  • Knowledge of secure coding practices
  • B.S. in Computer Science or equivalent

Nice to have

  • Knowledge with VoIP/SIP/RTP protocols and JTAPI or CSTA specifications
  • Experience with telephony call control, IVR and media capabilities.
  • Knowledge of Spring Core, Spring Data, Spring Security, transaction context




About the Company


8x8, Inc. (NASDAQ: EGHT) ​is the trusted provider of secure and reliable enterprise cloud communications solutions to more than 45,000 businesses operating in over 100 countries across six continents. 8x8's out-of-the-box cloud solutions replace traditional on-premises PBX hardware and software-based systems with a flexible and scalable Software as a Service (SaaS) alternative, encompassing cloud business phone service, contact center solutions, and conferencing. 


​In today’s competitive market 8x8 continues to deliver service excellence, with a consistent, innovative, cohesive, progressive and dynamic culture.


For additional information, visit, or connect with 8x8 on LinkedIn,

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Additional Information


8x8 is proud to provide equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics.

For 8x8 jobs located in the US: 8x8 participates in the E-Verify program.
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