Senior Backend Engineer for AI Agent Platform

MSP Staffing (PTY) LTD; Pretoria; On-site; ZAR 950,000 - 1,400,000; Full time

Job summary

MSP Staffing (PTY) LTD client is seeking an experienced Senior Product Engineer to join the backend engineering team, responsible for building and maintaining the platform that powers AI agents across WhatsApp, voice, webchat, and email. The role emphasizes scalable backend design, APIs, and third‑party integrations in production.

You will own features end‑to‑end, mentor junior engineers, and collaborate with enterprise clients to translate business requirements into technical solutions.

Qualifications

• 5+ years of backend engineering experience building and operating production systems.
• Experience with Python or TypeScript (Node.js).
• Experience designing APIs and third-party integrations.
• Experience with PostgreSQL and data modelling.
• Experience with cloud infrastructure, CI/CD, logging and monitoring.

Responsibilities

• Design and maintain scalable backend systems.
• Develop APIs and third-party integrations.
• Build agent orchestration logic for AI-powered applications.
• Ensure reliability, performance and security in production.
• Mentor junior engineers and contribute to engineering standards.

Skills

Python/TypeScript

Backend design

APIs & integrations

PostgreSQL

Cloud & CI/CD

LLM features

Agent orchestration

RAG / LLM evaluation

Mentoring juniors

Tools

Supabase

n8n

WhatsApp Business API

Monitoring tools

Job description

MSP Staffing (PTY) LTD client is seeking an experienced Senior Product Engineer to join the backend engineering team, responsible for building and maintaining the platform that powers AI agents across WhatsApp, voice, webchat, and email. The role emphasizes scalable backend design, APIs, and third‑party integrations in production.

You will own features end‑to‑end, mentor junior engineers, and collaborate with enterprise clients to translate business requirements into technical solutions.