Voice Platform Engineer (SIP, AI, Multi-Cloud)

Experis - ManpowerGroup is seeking a Voice Services Developer to build, maintain, and optimize SIP-based voice services and cloud-integrated Speech AI. The role bridges traditional telephony with modern cloud AI and requires hands-on Java, SIP, and VoIP tooling expertise.

The position focuses on developing stable SIP services using Java, managing FreeSWITCH/Asterisk, and deploying across AWS, Azure, and GCP in a hybrid setup. This 6-month contract is Inside IR35 (umbrella only).

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