Senior Python Developer

Recruiter:

Focus Kamoso (Pty) Ltd

Job Ref:

415391664

Date posted:

Wednesday, December 10, 2025

Location:

Sandton, South Africa

SUMMARY:
-

POSITION INFO:

Company Summary

A leading JSE-listed financial services company is expanding its Group Data Science Team, a world-class division that partners across digital, clinical, wellness, and behavioural domains. The team collaborates globally and leverages modern big-data platforms to build scalable, future-focused solutions that drive innovation across the organisation.

Role Summary

The Senior Python Developer plays a critical role in the AI Enablement function, building and maintaining production-grade Python systems, managing ML pipelines, and ensuring enterprise-scale deployment of AI/ML models. You will contribute to technical standards, support team members, and help turn advanced AI into dependable business value.

Requirements

Essential:

5+ years’ experience in Python development
Strong grounding in software engineering principles (SOLID, unit testing, CI/CD, Git)
Experience with ML engineering/MLOps tooling (MLflow, Kubeflow, etc.)
Cloud platform experience (AWS, Azure, or GCP)
Experience designing and maintaining ELT/ETL pipelines in distributed compute environments (Spark, Ray or similar)
Ability to contribute to technical design, code reviews, and engineering best practices

Advantageous:

Experience with Vertex AI, BigQuery, Cloud Composer
Exposure to large-scale data ecosystems and distributed systems
Experience mentoring junior engineers or data scientists

Responsibilities

Build, optimize, and maintain high-performance Python systems for AI/ML delivery
Participate in code reviews and contribute to engineering standards
Design and manage ELT/ETL pipelines in large-scale MPP environments
Support the full ML lifecycle: deployment, monitoring, and optimisation
Implement automated monitoring, alerting, and model observability
Provide guidance to junior developers and data scientists
Collaborate with stakeholders to translate business needs into robust technical solutions

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