Java Developer
Marshall Wolfe · Ipswich · posted 1 day ago
Occupation
2134Programmers and software development professionals
Going rate for this occupation: £54,700 · UK median pay £56,914
Home Office going rates from
Sponsorship
Sponsorship chance
Very low
- Not matched to a licence on the register
- Occupation is eligible for Skilled Worker
- Estimated salary is below the going rate
On the public records we hold, sponsorship for this role looks unlikely: not matched to a licence on the register, and occupation is eligible for Skilled Worker.
- The salary is an estimate from national earnings data, not the employer's figure.
Why
Sign in to see how you fit and draft a cover letter
We read this advert for what it asks, check each line against your CV and show you the evidence for every judgement.
Sign inFull advert
Java Voice Services Developer
Ipswich based- Candidates must be based in the UK, and a commutable distance from our client's office in Ipswich, Suffolk.
Contract until March 2027
Paying upto £360.00 per day (inside IR35)
Our client, a leading global technology organisation, is looking for an experienced Java Voice Services Developer to join a high-profile programme delivering next-generation communications and conversational AI solutions. This is an exciting opportunity for a developer with strong telephony and cloud experience to work at the intersection of voice technologies, AI, and cloud platforms.
The Role
As a Java Voice Services Developer, you will be responsible for designing, developing, and supporting advanced SIP-based voice services while integrating cutting-edge speech and AI technologies. You will collaborate with architects, DevOps teams, and cloud specialists to deliver scalable, high-performance communication platforms.
Key Responsibilities
Develop, test, and maintain SIP-based voice services using Java, JAIN SLEE, and SIP Servlet frameworks. Configure, administer, and optimise FreeSWITCH and/or Asterisk communication platforms. Integrate Speech-to-Text, Text-to-Speech, and NLP solutions into live voice applications. Deploy and support applications across AWS, Azure, and Google Cloud environments. Troubleshoot network, voice quality, latency, and call routing issues using industry-standard tools. Support the delivery of innovative conversational AI and voice automation solutions.
Required Skills & Experience
Strong commercial Java development experience, including multi-threading and network programming. Excellent knowledge of JAIN SLEE and SIP Servlet frameworks. Proven experience with SIP, RTP/RTCP and SDP protocols. Hands-on experience with FreeSWITCH and/or Asterisk. Experience integrating cloud-based speech services and AI technologies. Exposure to AWS, Microsoft Azure, and Google Cloud Platform environments. Strong troubleshooting skills using tools such as Wireshark or sngrep.
Desirable Skills
Experience with Metaswitch Rhino SLEE or Oracle OCCAS. Knowledge of Docker and Kubernetes. Understanding of WebRTC, TLS, and SRTP security standards.
Apply today or contact our team for a confidential discussion.
Read via Reed on
Information from public records, not immigration advice.