https://jobs.co.uk/job/software-engineering-specialist-voicejain-slee-randstad-technologies--6eb2dfc3-7eab-4e40-a661-630917e3cce3 RSS feed for Software Engineering Specialist (Voice/JAIN SLEE) at Randstad Technologies. en-gb Sat, 29 Aug 2026 15:22:23 GMT https://jobs.co.uk/job/software-engineering-specialist-voicejain-slee-randstad-technologies--6eb2dfc3-7eab-4e40-a661-630917e3cce3 https://jobs.co.uk/job/software-engineering-specialist-voicejain-slee-randstad-technologies--6eb2dfc3-7eab-4e40-a661-630917e3cce3 Sat, 29 Aug 2026 11:52:57 GMT Location: Ipswich | Salary: 10000-500000 Annual | Type: Permanent | I am currently seeking a Voice Services Developer for an exciting project with an enterprise voice development team. Given your strong background in Java and telephony systems, I thought this might be a great fit. Quick Highlights: Focus: Developing, testing, and maintaining mid-to-high performance SIP-based voice services using Java (JAIN SLEE, SIP Servlets) and integrating advanced Speech AI technologies across multi-cloud environments. Environment: Agile, cross-functional delivery unit configuring media engines like FreeSWITCH or Asterisk, analyzing network traffic, and deploying conversational AI bots alongside senior architects and DevOps teams. Requirements: Professional Java experience (including multi-threading and network programming), hands-on scripting with FreeSWITCH or Asterisk, deep knowledge of voice protocols (SIP, RTP/RTCP, SDP), and experience with cloud Speech APIs (AWS, Azure, GCP) and Wireshark/sngrep. This is an urgent vacancy where the hiring manager is shortlisting for an interview immediately. If interested, please share your updated CV with me at manisha. and let''s coordinate a brief call to discuss further. Best Regards,Manisha Randstad Technologies is... Permanent