Software Engineering Specialist

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Description

Software Engineering Specialist 6 months Hybrid Inside IR35 - umbrella only We are seeking a Voice Services Developer to build, maintain, and optimize our next-generation communication platforms. You will bridge the gap between traditional telecommunication protocols and modern cloud-based AI. Your core focus will be developing stable SIP services using Java, managing open-source media engines, and integrating advanced Speech AI technologies across multi-cloud environments. Key Responsibilities SIP Development: Develop, test, and maintain mid-to-high performance SIP-based voice services using JAIN SLEE, SIP Servlets. Media Server Administration: Configure, manage, and scale FreeSWITCH or Asterisk communication engines. Speech AI Integration: Implement Speech-to-Text (STT), Text-to-Speech (TTS), and Natural Language Processing (NLP) workflows into live voice streams. Cloud Operations: Deploy and monitor voice applications across AWS, Azure, and Google Cloud Platform (GCP). Troubleshooting: Use network analysis tools to diagnose audio quality issues, call drops, and latency problems. Team Collaboration: Work alongside senior architects and DevOps teams to roll out scalable conversational AI bots. Required Skills & Qualifications Core Language: Professional experience with Java, including multi-threading and network programming. In depth knowledge of Java Good knowledge of java applications using JAIN SLEE framework, SIP Servlet Frameworks Telephony Engines: Hands-on experience configuring and scripting with FreeSWITCH or Asterisk. Voice Protocols: Solid understanding of SIP, RTP/RTCP, and SDP. , AWS Transcribe/Polly, Azure Speech, Google Cloud Speech-to-Text). Multi-Cloud Exposure: Experience deploying and managing applications on AWS, Azure, and GCP. Tools: Proficiency with Wireshark or sngrep for VoIP troubleshooting. Preferred Qualifications Experience with Java telephony frameworks like Metaswitch Rhino

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