Voice Services Software Engineer Contract 375/day Umbrella Ipswich (3 Days Onsite) Until March 2027REED Technology are working with a leading telecommunications and technology organisation who are seeking a Voice Services Software Engineer to support the development of a next-generation voice and contact centre platform.This role will focus on building and enhancing call service applications within a cloud-based environment, integrating modern AI capabilities into voice services while maintaining highly available telecoms platforms.Key ResponsibilitiesDevelop and maintain Java-based voice and call service applications.Build functionality within large-scale telecoms and contact centre environments.Work with cloud-based voice service platforms and communications technologies.Support integrations with Speech AI and conversational AI services.Contribute to the development of a new strategic communications platform.Work closely with DevOps teams to enhance CI/CD pipelines and deployment processes.Collaborate with architects and engineering teams to deliver scalable voice solutions.Skills and Experience Strong Java development background.Commercial telecoms, VoIP or unified communications experience.Experience developing SIP or call-handling applications.Exposure to telecom application frameworks such as Rhino SLEE, JAIN SLEE, SIP Servlets or Oracle OCCAS.Understanding of cloud-based service platforms.Experience working within Agile software engineering environments.Desirable ..... full job details .....