Production AI Engineer: Build Safe, Scalable AI Systems

Centrax Group; Sandton; Hybrid; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Hybrid working

21 days annual leave

Job summary

Centrax Digital is an AI-first consultancy based in Bryanston, Sandton, delivering production AI systems for clients. You will bridge experimentation, engineering and operation of AI in production, owning safety, performance and measurability of shipped solutions.

You will design, deploy and operate AI workloads in production using LLMs, vector databases and CAIF framework, ensuring robust monitoring, evaluation and cost control. Hybrid working with standard hours applies.

Qualifications

• Bachelor's degree in CS/Engineering/Math or related field.
• Minimum 3 years' professional software engineering experience.
• At least one production AI application shipped with measurable outcomes.
• Proficiency in Python and LLM frameworks.
• Experience operating AI workloads: containers, CI/CD, monitoring.
• An AI, ML or cloud AI certification is an advantage.

Responsibilities

• Design and build production-grade AI applications using LLM frameworks, vector databases and the CAIF reference architecture.
• Implement retrieval-augmented generation pipelines: chunking, embedding, indexing, retrieval, ranking, generation and citation.
• Build and maintain evaluation frameworks: golden datasets, regression suites, online evaluation and human review.
• Engineer for safety: prompt injection defence, output filtering, sensitive data redaction and escalation paths.
• Deploy and operate AI workloads in production, including monitoring, drift detection and incident response.
• Triage and improve underperforming AI capabilities through prompt, retrieval and model tuning.
• Contribute reusable components, prompts and evaluation kits to the AI Practice Library.
• Support client thought leadership and pre-sales on AI engagements.

Skills

Python programming

LLM frameworks

Vector databases

CI/CD for AI workloads

Monitoring and incident response

Cost control for AI workloads

Hybrid search / RAG

Production AI experience

Safety and security focus

Education

Bachelor's degree in Computer Science, Engineering, Mathematics, Statistics or related quantitative field

Master's in CS, ML or AI (advantage)

Tools

Azure AI Engineer

AWS ML Specialty

GCP ML Engineer

Job description

Centrax Digital is an AI-first consultancy based in Bryanston, Sandton, delivering production AI systems for clients. You will bridge experimentation, engineering and operation of AI in production, owning safety, performance and measurability of shipped solutions.

You will design, deploy and operate AI workloads in production using LLMs, vector databases and CAIF framework, ensuring robust monitoring, evaluation and cost control. Hybrid working with standard hours applies.