Conversational AI Engineer (Cognigy)
Role Overview
Build, configure, test, and maintain conversational AI solutions on the Cognigy platform.
Work on flows, voice journeys, routing and fallback logic, agentic AI and LLM tool calling, Voice Gateway capabilities, integrations, and multilingual experiences.
Support components include NLU, Knowledge AI, and xApps.
Key Skills for This Role
Full Job Posting
About Natilik
Natilik provides technology solutions and services, helping clients select, implement, or manage technology to meet their goals.
The company describes a focus on clients, people, partners, communities, shareholders, continuous improvement, and employee development.
The role
Build, configure, test, and maintain conversational AI solutions on the Cognigy platform.
Work on flows, voice journeys, routing and fallback logic, agentic AI and LLM tool calling, Voice Gateway capabilities, integrations, and multilingual experiences.
Support components include NLU, Knowledge AI, and xApps.
Role responsibilities
- Develop and maintain conversational flows, voice journeys, routing and fallback logic, and agentic AI tool-calling patterns.
- Build platform integrations and supporting conversational AI components.
- Test and debug solutions, prepare reporting and documentation, and support UAT.
- Escalate architectural gaps, technical risks, security concerns, and platform limitations to the Voice AI Architect.
Essential skills and experience
- Hands-on Cognigy conversational AI delivery, including Flows, Nodes, Playbooks, LLM Prompt nodes, tool calling and schemas, Resolve Tool Actions, context handling, reusable patterns, and JavaScript Code Nodes.
- Practical JavaScript for payload mapping, validation, API responses, context manipulation, error handling, logging, and custom flow behaviour.
- LLM prompt and tool design, safe tool results, grounding, hallucination prevention, multilingual prompting, and choosing between tool calls, clarification, and deterministic flow logic.
- Experience with voice AI, telephony integrations, interactive web applications, REST APIs, knowledge bases, RAG, multilingual voice and chat, analytics, and observability.
- Troubleshooting using transcripts, session context, LLM inputs and outputs, tool logs, API responses, and application logs.
Desirable skills
- Desirable: Cognigy certification, Agent Copilot or Finesse integrations, SSML and TTS tuning, or xApp front-end experience.
- Desirable: guardrails, prompt-leakage prevention, profanity filtering, scope control, speech-safe output, SIP/WebRTC, Twilio or similar voice connectivity, and CRM or case-management integrations.
Benefits
- Benefits include annual leave, quarterly awards and bonuses, flexible working policy, pension, financial wellness support, and home-working and mobility technology.
- Other benefits include private medical insurance, shares subject to tenure, Medicash, an employee assistance programme, vehicle lease salary sacrifice, and cycle-to-work scheme.
- The company also offers volunteering leave, enhanced parental leave, and funding for qualifications and courses, including paid study leave.
Diversity and inclusion
Natilik says it values a diverse workforce and aims to support inclusion, employee development, and individual potential.
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