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Location
In office (Johannesburg)
Seniority
Senior
Employment
Full-Time

First seen by Alion on Oct 30, 2026.

Overview
Company
Impact
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Network IT is a South African IT recruitment agency in Johannesburg. It places full stack and senior software developers with clients that run large-scale digital platforms used by thousands of customers. The company is headquartered in Johannesburg, South Africa.
Reference: ITA006464-Mel-1


Build the Future of Conversational AI


We're looking for a Senior AI / Software Engineer to play a pivotal role in the development and optimisation of next-generation AI voice and text agents.

This is a hands-on senior contributor position focused on building production-grade conversational AI solutions that deliver real-world business impact. Duties & Responsibilities You'll work at the core of our clients product, designing, developing and fine-tuning intelligent voice and chat experiences, while helping scale client-specific AI agent deployments as our customer portfolio grows.

If you're passionate about LLMs, conversational AI, speech technologies and production-ready AI systems, we'd love to hear from you.

What You'll Be Doing:

  • Design, build and optimise production AI voice and text agents
  • Develop and refine dialogue flows, prompt frameworks and evaluation systems
  • Improve speech-to-text (STT) and text-to-speech (TTS) pipelines for performance, quality and accuracy
  • Build, test and deploy conversational text bots and campaign variants
  • Own the configuration and optimisation of client-specific AI agent implementations
  • Develop scalable integrations using APIs and backend services
  • Monitor, evaluate and continuously improve AI performance in production environments
  • Collaborate with product, engineering and client-facing teams to deliver best-in-class conversational experiences
  • Contribute to AI engineering standards, best practices and technical direction

Essential Skills & Experience:

  • Proven experience building and deploying LLM-powered voice and/or text applications
  • Strong software engineering skills with Python
  • Experience developing and maintaining production-scale systems
  • Solid understanding of prompt engineering, evaluation frameworks and AI quality measurement
  • Experience integrating and managing APIs
  • Strong version control practices using GitHub
  • Ability to work independently and take ownership of complex technical deliverables
  • Strong problem-solving and debugging capabilities

What We're Looking For:

  • A senior engineer who enjoys building rather than managing
  • Someone comfortable working in fast-paced, product-driven environments
  • A technically curious individual who stays up to date with advancements in AI and LLM technologies
  • A collaborative team player with strong communication skills
  • A hands-on problem-solver who can take ownership from concept through to production
Package & Remuneration Monthly
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