AI Engineering (Voice API)

Job Description This is a remote position. Location: Remote Engagement Type: Project-based Assignment; B2B Contract (Outside IR35) Duration: 6 months with auto renew Timezone : CET ± 2 hours Be part of our Global Engineering Network! One of our clients in the Telecommunications sector is looking for an expert to provide AI Engineering services under a defined project scope. Key Deliverables Designing and enhancing AI-powered chatbots for customer interactions in billing, sales, and technical support to reduce reliance on human agents. Automating business processes to improve operational efficiency using AI technologies. Contributing to the development and maintenance of scalable AI infrastructures and integrate new machine learning techniques and large language models (LLMs) where applicable. Evaluating and working with various AI models including LLMs, reasoning models, machine learning, and function calling models for different purposes Contributing to the roadmap for integrating speech-to-text functionality and real-time voice APIs, especially for telephony systems. Working closely with other team members to evaluate and implement new AI technologies and tools, ensuring robust and reliable AI systems. Participating in the testing and quality assurance of AI-driven systems, ensuring accurate and efficient performance. Managing and maintaining AI agents across various platforms, ensuring their smooth operation and continuous improvement. Requirements Ideal Profile University degree in Computer Science, Engineering or equivalent At least 5 years of experience in a similar position Experience developing and deploying AI chatbots, particularly in customer service or support roles (billing, sales, technical support). Strong background in automation tools and techniques, with practical examples of how you've approached and solved automation challenges. Familiarity with machine learning models, particularly LLMs and reasoning models. Practical experience using OpenAI or similar AI models (ChatGPT, Mistral, etc.). Experience working with APIs in OpenAI and other AI models for building large-scale applications. Exposure to frameworks for large-scale AI projects and managing AI agents effectively. Hands-on experience with Robot Framework or similar testing frameworks. Understanding of voice technologies and APIs, including experience with OpenAI’s real-time API (or openness to learning and exploring these technologies). Comfortability working with a fast-paced, evolving roadmap, especially focusing on integrating new features like speech-to-text functionality. Why Partner with Us? Clear scope with no ambiguity over deliverables. Flexible working arrangements. Opportunity for repeat engagements based on performance. Selection Process Proposal Submission Submit your professional profile/CV by applying on the role. Business Alignment Call 30-min virtual discussion with Human Capital Consultant to review scope Verification Opportunity to complete Castille Vetting (background/compliance checks) Client Skills Review Direct interview with end client to discuss project specifics Project-specific technical assessment (if required) Ongoing Business Support Access to CX guidance and market insights through our professional network.