Java Developer

Java Developer (SIP/VoIP)Ipswich (Hybrid) 6 Month Contract Inside IR35My client, a leading telecoms company, is looking for an experienced Java Developer to join a team delivering next-generation voice and communications platforms. This is an exciting opportunity to work on large-scale telecoms services, cloud technologies and AI-powered voice solutions.What You''ll Be DoingDeveloping and enhancing SIP-based voice applications using JavaWorking with JAIN SLEE and SIP Servlet frameworksSupporting and integrating voice platforms including FreeSWITCH and AsteriskDeploying and supporting solutions across AWS, Azure and GCPIntegrating Speech-to-Text, Text-to-Speech and AI-driven voice servicesTroubleshooting voice quality, call routing and network performance issuesEssential SkillsStrong commercial Java development experienceExperience with SIP, VoIP, RTP/RTCP and SDPKnowledge of JAIN SLEE and/or SIP Servlet frameworksExperience with FreeSWITCH or AsteriskCloud experience across AWS, Azure or GCPStrong troubleshooting skills within telecoms or voice environmentsNice to HaveDocker and KubernetesWebRTCTelecoms security protocols including TLS and SRTPMetaswitch Rhino SLEE or Oracle OCCAS experienceIf the role aligns with your expeirence, pelase apply with your updated CV ..... full job details .....