About this role
Salary: £91,000 - 130,000 per year
Requirements: Strong experience building voice AI or real-time speech systemsHands-on experience with speech-to-text and text-to-speech APIsProven ability to deliver production-grade AI systemsGood understanding of latency and performance optimisationExperience with RAG and data-driven AI architecturesStrong API integration skills and a practical engineering mindsetComfortable working with sensitive data in production contexts Responsibilities: Productionise a voice AI system from an existing proof of conceptWork with voice platforms such as ElevenLabs, Deepgram, or similar toolsImprove real-time performance and reduce latencyDesign lightweight orchestration using simple, deterministic flows over complex prompt chainsIntegrate customer and internal data using RAG approachesOptimise cost, reliability, and system efficiencyBuild and maintain API- and SDK-based voice pipelinesSupport secure handling of sensitive and PII data Technologies: AIAPISupport More:
We are seeking a hands-on Senior Voice AI Engineer on a contract basis for 3-4 months, working remotely and outside IR35 at a day rate of £350-500. We need someone to take our existing voice AI proof of concept and turn it into a reliable, production-grade system that is fast, stable, scalable, and cost-efficient. Our focus is on building a secure, production-ready solution for real users, and we value practical engineering delivery with strong attention to performance, reliability, and data handling.
last updated 30 week of 2026