Data Scientist - ML & Optimisation (BigQuery, Python) Hybrid

ATS Client; Johannesburg; Hybrid; ZAR 900,000 - 1,100,000; Full time

Job summary

ATS Client is seeking a Data Scientist to design, develop, and deploy ML and optimisation models at enterprise scale in a hybrid Johannesburg-based role. You will collaborate with engineering, business stakeholders and clients to translate complex operational challenges into data-driven solutions, with exposure to geospatial analytics, cloud platforms, Looker Studio and BigQuery.

The role requires 5+ years of commercial Data Science experience, a Bachelor's in a related field, and strong Python

Qualifications

• 5+ years of commercial Data Science experience.
• Strong Python programming skills with ML experience.
• Advanced SQL with large-scale analytical databases (BigQuery preferred).
• Experience developing scalable algorithms and optimisation models (OR-Tools / PuLP).
• Knowledge of MLOps practices and cloud platforms (GCP preferred).

Responsibilities

• Lead end-to-end machine learning and optimisation projects, from problem definition and prototyping through to deployment and monitoring.
• Develop and enhance solutions supporting territory planning, route planning, and route optimisation services.
• Translate business requirements into technical specifications and implementation plans.
• Design and maintain reporting solutions using Looker Studio, BigQuery, and analytical data models.
• Deliver strategic analytics and consulting projects, providing data-driven recommendations to enterprise clients.
• Collaborate with engineering teams to productionise models through data pipelines, model serving, CI/CD, monitoring, and retraining processes.
• Maintain high standards of code quality, testing, documentation, and reproducibility.
• Mentor junior team members and support external contractors where required.
• Present findings and recommendations to clients and stakeholders.
• Drive continuous improvement in data quality, model performance, and delivery standards.

Skills

Python

SQL

Machine Learning

OR-Tools / PuLP

MLOps

Cloud platforms

Education

Bachelor's Degree in Data Science, CS, Stats, Math or related

Tools

BigQuery

Docker

Kubernetes

Looker Studio

CI/CD pipelines

Job description

ATS Client is seeking a Data Scientist to design, develop, and deploy ML and optimisation models at enterprise scale in a hybrid Johannesburg-based role. You will collaborate with engineering, business stakeholders and clients to translate complex operational challenges into data-driven solutions, with exposure to geospatial analytics, cloud platforms, Looker Studio and BigQuery.

The role requires 5+ years of commercial Data Science experience, a Bachelor's in a related field, and strong Python