Senior AI Voice Engineer
Posted Today by Arrows
£550 Per day
Outside
Remote
London Area, United Kingdom
Summary: The Senior AI Voice Engineer role involves building and scaling a production-grade AI voice platform for a major UK financial services organization. The position requires an experienced contractor to transition existing prototypes into a secure, scalable production platform while influencing technical direction and implementation. The role emphasizes collaboration with senior stakeholders and the development of scalable Python services and APIs. This is an initial 6-month contract with occasional meet-ups in London.
Key Responsibilities:
- Designing and building production-grade AI voice agent solutions
- Developing scalable Python services and APIs
- Working with speech-to-text (STT), large language models (LLMs) and text-to-speech (TTS) technologies
- Evaluating and recommending architecture decisions across voice AI platforms
- Building resilient, low-latency conversational systems
- Integrating AI voice capabilities into existing customer service workflows
- Defining monitoring, observability and performance standards
- Helping transition existing prototypes into a secure, scalable production platform
Key Skills:
- Expert Python development
- Commercial experience with Azure Voice, Live, ElevenLabs, or Deepgram
- Real-time AI systems
- LLM-powered applications
- Conversational AI platforms
- API design and integration
- Cloud-native architecture
- Production deployment and scalability
- Voice, speech or contact centre technology
Salary (Rate): £550 daily
City: London
Country: United Kingdom
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
Senior AI Voice Engineer £500-£550 per day Outside IR35 Remote (occasional London meet-up) Initial 6 Month Contract We are looking for a Senior AI Voice Engineer to help build and scale a production-grade AI voice platform for a major UK financial services organisation. This is not a proof-of-concept role. The business has already built initial Python-based prototypes and is now looking for an experienced contractor to take the solution into production, helping define the architecture, challenge technical decisions, and build a scalable platform capable of handling real customer interactions. You'll work directly with senior stakeholders and have significant influence over both the technical direction and implementation approach.
What You'll Be Doing
- Designing and building production-grade AI voice agent solutions
- Developing scalable Python services and APIs
- Working with speech-to-text (STT), large language models (LLMs) and text-to-speech (TTS) technologies
- Evaluating and recommending architecture decisions across voice AI platforms
- Building resilient, low-latency conversational systems
- Integrating AI voice capabilities into existing customer service workflows
- Defining monitoring, observability and performance standards
- Helping transition existing prototypes into a secure, scalable production platform
Desired Experience
We're particularly interested in engineers with commercial experience of one or more of: Azure Voice Live ElevenLabs Deepgram As well as: Expert Python development Real-time AI systems LLM-powered applications Conversational AI platforms API design and integration Cloud-native architecture Production deployment and scalability Voice, speech or contact centre technology
Ideal Background
You may have worked as: AI Voice Engineer Conversational AI Engineer Speech AI Engineer AI Platform Engineer Senior Python Engineer Applied AI Engineer Most importantly, we're looking for someone who has built and deployed AI voice solutions before and can help shape the architecture rather than simply implement requirements.
Interview Process
Single-stage technical interview Immediate start available