Software Engineer

Voice Services Software Engineer
Contract 375/day Umbrella Ipswich (3 Days Onsite) Until March 2027

REED 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 Responsibilities

• Develop 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 Experience

• Contact centre platforms.


• Speech AI, conversational AI or voice automation technologies.


• CI/CD tooling and DevOps practices.


• Cloud platforms such as AWS, Azure or GCP.

This is an excellent opportunity to work on a major communications transformation programme involving emerging AI technologies and modern voice platforms.