Senior Technical Support Engineer (API Support)

Posted:
4/1/2025, 7:56:39 PM

Location(s):
Tokyo, Japan

Experience Level(s):
Senior

Field(s):
IT & Security

Vonage has built its successful global Support teams on individuals with technical savviness, superior customer relationship skills, and a passion for learning. We challenge our Support Engineers to provide a customer experience that leaves our users impressed, loyal and true advocates of our company.

As a Senior Support Engineer, you will provide first-class technical support to our rapidly growing strategic customer base, who rely on our real-time communication APIs and SDKs. You will be responsible for driving and managing customer-related projects, initiatives and tasks for our strategic accounts, collaborating heavily with Sales, Engineering, and the rest of the Vonage organization.

What will you do?

  • Investigate, troubleshoot, diagnose and resolve technical issues related to customer API and SDK implementations
  • Communicate effectively (both verbal and written) with our customers and internal stakeholders
  • Be a problem solver, have a natural curiosity and demonstrate the ability to learn rapidly
  • Contribute to internal and external knowledge bases
  • Collaborate with your team to identify bugs and escalate to Product/Engineering teams
  • Communicate well with different audiences (developers, technical and non-technical users)

What you must have:

  • 3+ years as a Support Engineer in the telecommunications or SaaS sectors
  • Messaging technologies: SMPP, GSM, SMS
  • Strong knowledge of RESTful API’s and the ability to understand and troubleshoot issues with cloud solutions
  • English and Japanese language proficiency

Any of the following is a plus:

  • Experience with Voice technologies: SIP, VoiceXML, CCXML, WebRTC 
  • Supporting APIs or SDKs
  • Excellent understanding of networking: TCP/IP, UDP, most common protocols
  • Voice software: Asterisk, Freeswitch, Kamailio, Voxeo Prophecy

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Vonage

Website: https://www.vonage.com/

Headquarter Location: Holmdel, New Jersey, United States

Employee Count: 5001-10000

Year Founded: 2001

IPO Status: Public

Last Funding Type: Post-IPO Debt

Industries: Communications Infrastructure ⋅ Developer APIs ⋅ Enterprise Applications ⋅ Information Services ⋅ Information Technology ⋅ PaaS ⋅ Telecommunications