SIP Developer

We are seeking a highly skilled SIP Developer with hands-on experience in building and managing complex SIP call flows within enterprise voice systems, particularly in contact center environments. The ideal candidate should possess deep knowledge of SIP signaling and development, including working with Oracle Communications Converged Application Server (OCCAS), Session Managers, and Routing Managers. Java and Web Logic experience is also essential.

Job Responsibilities:

• Develop and maintain SIP-based applications with a focus on high-availability contact center systems
• Design and implement SIP call flows tailored to enterprise telephony and contact center use cases
• Collaborate with infrastructure teams to configure and manage Session Managers, Routing Managers, and OCCAS
• Work with cross-functional teams to design, troubleshoot, and enhance complex voice solutions
• Develop and deploy Java-based applications within Web Logic environments
• Document system architecture, workflows, and configurations for voice applications
• Conduct performance tuning, debugging, and testing of SIP applications
• Stay up to date on advancements in SIP and Oracle communication technologies

• Strong SIP Development Experience
• Deep understanding of SIP signaling and call flow creation

• Session Managers
• Routing Managers
• Oracle Communications Converged Application Server (OCCAS)
• Solid experience in Web Logic and Java (J2EE) development
• Experience with voice systems in contact center environments
• Ability to troubleshoot real-time communication issues and optimize call routing logic

• Familiarity with other SIP infrastructure tools and protocols
• Experience with Oracle SBCs (Session Border Controllers)
• Understanding of IMS/VoIP architectures
• Experience with telephony integrations and APIs (e.g., WebRTC, RESTful interfaces)

Oracle Communications certifications (if available) are a plus

Java or Web Logic certifications are a plus

Education:

Bachelor’s degree in computer science, Telecommunications, or related field (or equivalent experience)

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