Senior AI Engineer

We are looking for a Senior AI Engineer with 6+ years of software engineering experience to take a leading role in delivering advanced AI solutions. This hybrid position blends deep software engineering expertise with specialised knowledge of AI systems and software architecture .

You will be responsible for designing and building autonomous agents, sophisticated reasoning pipelines, and Retrieval-Augmented Generation (RAG) solutions using LangChain and modern large-language-model frameworks. The role requires hands-on technical leadership, from solution design through to production deployment.

Responsibilities:

• Architect, build, and deploy production-grade AI systems , including autonomous agents, multi-agent workflows, and RAG-based solutions using LangChain and modern LLM frameworks.
• Design and optimize vector search architectures, implementing efficient indexing, retrieval, and relevance strategies across enterprise-scale datasets.
• Lead decisions around LLM usage, including fine-tuning versus RAG trade-offs, context window management, and inference cost, latency, and performance optimization.
• Develop and maintain high-performance backend services and APIs using Python and FastAPI/Flask, applying asynchronous patterns and scalable system design principles.
• Architect and operate cloud-native AI platforms on AWS or Azure, leveraging managed AI services, containerized workloads, and serverless components.
• Implement and manage containerization and orchestration using Docker and Kubernetes/ECS, supported by Infrastructure as Code practices.
• Design robust data architectures, including PostgreSQL schema design, query optimization, and integration with NoSQL systems where appropriate.
• Apply advanced software engineering best practices, including microservices and event-driven architectures, SOLID principles, and system design patterns.
• Collaborate with frontend teams to guide the integration of AI capabilities into modern web applications.
• Establish and enforce engineering quality standards, including testing strategies, code reviews, CI/CD pipelines, and operational reliability.
• Provide technical leadership and mentorship, contributing to architectural decisions, delivery excellence, and continuous improvement across engineering teams.

Qualifications and experience:

• Degree in Computer Science, Engineering, or a related IT field
• 6+ years of general software engineering experience
• Proven experience or portfolio demonstrating LLM-based applications or AI agents
• Demonstrated technical leadership in delivering complex software projects.

The reference number for this position is NG60986 which is a permanent Hybrid position based in Pretoria offering a cost to company of up to R1mil CTC negotiable on experience and ability. Contact Nokuthula at e-merge.co.za or call her on View phone number on bizcommunity.com to discuss this and other opportunities.

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