Software Engineering Specialist (Voice/JAIN SLEE)
Randstad · Ipswich, East of England
Software Engineering Specialist (Voice/JAIN SLEE) at Randstad, based in Ipswich, East of England. This is a permanent role.
- Salary
- Competitive
- Location
- Ipswich, East of England
- Contract
- Permanent
- Posted
- 18 hours ago
- Closes
- 24 Sep 2026
- Sector
- Software Developer
Reference PR-1538918
About the role
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. devaruppala @ randstad digital.com, and let's coordinate a brief call to discuss further.
Best Regards,
Manisha
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
Reference: PR-1538918 · Posted 18 hours ago · Closes 24 Sep 2026 · Listed via Randstad
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