Senior AI Developer - Fintech LLM Systems Lead

Pype; Cape Town; On-site; ZAR 900,000 - 1,200,000; Full time

Job summary

Pype in Cape Town is seeking a Senior AI Developer to build production AI systems in a regulated payments environment. This hands-on role requires shipping LLM-based solutions beyond simple prompts and applying AI across the delivery lifecycle.

You will design services in Python and .NET, build content embedding and retrieval pipelines for RAG, and implement agentic workflows with human-in-the-loop checkpoints. Observability, evals, and POPIA compliance are essential.

Qualifications

• Shipped production LLM systems end-to-end in a regulated domain.
• Experience building content embeddings and retrieval for RAG pipelines.
• Strong hands-on Python and .NET (C#) expertise in production systems.

Responsibilities

• Design and build Python and .NET services that integrate with large language models.
• Set up evals and observability to monitor model quality and behaviour in production.
• Lead a small AI-focused team and deliver milestones with disciplined engineering.

Skills

Python

.NET (C#)

LLM systems

RAG pipelines

Observability

Tools

Claude Code

GitHub Copilot

Job description

Pype in Cape Town is seeking a Senior AI Developer to build production AI systems in a regulated payments environment. This hands-on role requires shipping LLM-based solutions beyond simple prompts and applying AI across the delivery lifecycle.

You will design services in Python and .NET, build content embedding and retrieval pipelines for RAG, and implement agentic workflows with human-in-the-loop checkpoints. Observability, evals, and POPIA compliance are essential.