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Sip Java Developer Jobs (NOW HIRING)

MM International

IVR Quality Engineer

Fort Mill, SC · On-site

Deep understanding of call flows, SIP protocols, DTMF, and routing logic, with experience across ... Java, or JavaScript to simulate call flows and automate test cases. (they use java but are open to ...

IPsoft

Cisco UC Automation Engineer

New York, NY · On-site

NET and J2EE programming Good understanding of JAVA & .NET debugging Thorough understanding of ... Gateways, SIP/H.323/MGCP & ISDN PRI troubleshooting Cisco Unified Presence & Mobility Manager ...

PTP

Genesys Engineer - REMOTE

CA · On-site +1

Genesys SIP Server * Genesys Voice Portal (GVP) * Genesys Reporting Desired 2+ years experience ... J2EE (Java, Servlets, JSP, EJB, JSF) * .NET (C#, ASP.NET, ADO.NET) Salary is DOE and is extremely ...

TecTammina

Full Stack Engineer

Salt Lake City, UT · On-site

Experience with media programming, video conferencing, codecs, SIP/H.323/XMPP. * Familiarity with AWS. Experience with C++/Java. * Experience with Cordova on Android and iOS. * A GitHub account with ...

PTP

Genesys Architect - REMOTE

Sacramento, CA · On-site +1

Lead a team of engineers in implementation activities * Expert hands-on experience with Genesys ... PBX to Genesys SIP Migration * J2EE (Java, Servlets, JSP, EJB, JSF) * .NET (C#, ASP.NET, ADO.NET)

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How much do sip java developer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for sip java developer in the United States is $56.70, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.46 per hour, depending on experience, location, and employer.

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Infographic showing various Sip Java Developer job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, 3% Part Time, and 17% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $117,931 per year, or $56.7 per hour.

IVR Quality Engineer

Fort Mill, SC • On-site

MM International
See more jobs at MM Internationalexternal

Contractor

Re-posted 8 days ago

Job description

IVR Quality Engineer

Fort Mill, SC or New York City, NY

6 month contract to hire

  • IVR & Telephony Expertise: Deep understanding of call flows, SIP protocols, DTMF, and routing logic, with experience across platforms like Genesys, Avaya, Cisco, and Twilio. Able to interpret IVR design documents and call flow diagrams. (open to any of these)
  • Test Automation for Voice Systems: Skilled in tools like Hammer, Cyara, and Twilio for IVR testing, plus Selenium, Appium, and Playwright for UI/API automation. (they use hammer now but are not tied to using it. They want someone to come in and maybe suggest another an option) Proficient in scripting with Python, Java, or JavaScript to simulate call flows and automate test cases. (they use java but are open to any programming language)
  • Voice Recognition & NLP Testing: Familiar with ASR and TTS systems, and capable of testing voice intents and dialogue flows using platforms like Nuance, Google Dialogflow, or Amazon Lex.
  • API & Backend Testing: Experienced in validating RESTful APIs and backend services using Postman, SoapUI, JMeter, and custom scripts. Understands session management, data validation, and call log analysis.
  • Quality Engineering & DevOps: Strong foundation in test strategy, defect triage, and CI/CD integration. Comfortable with tools like Jenkins, Git, JIRA, and qTest, with a focus on shift-left testing and improving test coverage and observability.
  1. Are any of them flexible? yes
  1. Day to Day Responsibilities/project specifics:
  • Develop and execute test strategies for IVR and contact center systems
  • Lead testing across platforms like NICE CXone, Dynamics 365, Nexidia, and Hammer
  • Collaborate with cross-functional teams to define quality standards and ensure coverage
  • Use Hammer (or another tool that they come in and suggest) for load, regression, and functional testing of telephony infrastructure
  • Validate CRM workflows and integrations within Dynamics 365
  • Build automated test scripts using tools like Selenium, Postman, and JMeter
  • Track and report defects, performance metrics, and test results
  • Create test data and scenarios to support coverage
  • Document and manage bug resolution
  • Operate within Agile/Scrum teams to deliver high-quality software