AI Engineer (LLM / RAG / Voice AI / Python)

AI Engineer (LLM / RAG / Voice AI / Python) 📍 Remote 💰 €4,000–€8,000 Company name: NDA (Cyprus)

We are an international fintech group operating multiple products across different GEOs, focused on micro-lending and proprietary payment solutions. All engineering and product development are fully in-house, with a strong internal tech team and long-term investment in engineering expertise. The company is currently scaling rapidly, expanding into new markets, and growing its AI/Engineering function. The project has been operating for around 8 years, while the core IT team has been working together for 5–6 years. The environment is fast-paced and highly dynamic, with minimal bureaucracy, quick decision-making, and flexible processes. This role is a great fit for engineers with a startup mindset who are comfortable working in rapidly evolving environments and taking ownership.

Responsibilities

• Develop AI chat systems working with real customer data (CRM, history, statuses)
• Build RAG systems using the company’s internal knowledge base
• Develop voice AI bots for inbound and outbound calls
• Integrate AI solutions with internal systems (CRM, ERP, APIs)
• Implement dialogue logic based on business scripts and workflows
• Analyze calls: transcription, quality assessment, script compliance monitoring
• Automate call-center processes and improve operator efficiency
• Optimize latency and stability of AI solutions in real-time environments
• Work with large-scale datasets (calls, chats, customer history)
• Develop and improve internal AI services
• Collaborate closely with Backend and DevOps teams

Requirements

• 4+ years of commercial experience
• Experience working with LLMs (OpenAI, Claude, LLaMA, or similar)
• Hands-on experience building production AI solutions
• Experience designing and implementing RAG systems
• Strong Python skills (FastAPI, async, API integrations)
• Experience with PostgreSQL
• Experience with RabbitMQ
• Understanding of real-time systems
• Experience with ASR (speech-to-text) and TTS (text-to-speech)
• Understanding of voice/chat AI pipeline architecture
• Experience with APIs and microservices architecture
• Experience with high-load systems
• Ability to work with business logic and real customer data

Nice to have

• Experience building voice bots (inbound / outbound)
• Experience in fintech / collections / call-center domains
• Experience with WebRTC / streaming
• Docker / Kubernetes
• Experience with call analysis and operator quality monitoring

What We Offer

• Remote-first environment
• Candidates across Europe and Ukraine are welcome
• Flexible timezone approach
• Cyprus-based employment option
• Fast-growing product environment
• Strong in-house engineering culture

The hiring process for this position includes an online AI-based polygraph stage immediately before the offer stage.