LLM Engineer — Conversational AI & Voice Systems

E-Merge; Sandton; On-site; ZAR 680,000 - 920,000; Full time

Job summary

E-Merge in Sandton is seeking an Intermediate AI Engineer to join a specialist tech team focused on AI-driven conversational systems. You will work hands-on with LLMs, voice agents, testing, and modern software development practices to raise the bar in production AI tooling.

Collaborate with analysts and testers, implement prompt changes, ensure quality through unit and contract tests, and contribute to post-call analytics and data integration.

Qualifications

• 4 to 6 years software engineering experience.
• Solid Python, APIs, SQL, and modern CI workflows.
• Hands-on LLM application work (prompting, tool use, agents).
• Willingness to learn Azure Functions, messaging, blob storage, and SQL in production.

Responsibilities

• Implement prompt changes, tool handlers, and function/webhook logic for voice agents.
• Build or improve automated QA workers and analysis jobs (queues, artifacts, scoring ingest).
• Write and maintain unit/contract tests and scenario-based eval cases.
• Translate scorecard / conversation requirements into schemas and fixtures.
• Support post-call analytics tasks such as scoring result ingestion and data mapping.
• Diagnose and fix production issues with logging/observability support.

Skills

Python

APIs

SQL

CI/CD

LLM prompts

Azure Functions

Voice agents

Tools

Cursor

Claude

Azure Functions

OpenAI SDKs

Job description

E-Merge in Sandton is seeking an Intermediate AI Engineer to join a specialist tech team focused on AI-driven conversational systems. You will work hands-on with LLMs, voice agents, testing, and modern software development practices to raise the bar in production AI tooling.

Collaborate with analysts and testers, implement prompt changes, ensure quality through unit and contract tests, and contribute to post-call analytics and data integration.