Independent Data Scientist: Build Impactful ML Solutions

ATS Client; Johannesburg; On-site; ZAR 420,000 - 660,000; Full time

Job summary

ATS Client in Johannesburg is seeking an Intermediate Data Scientist to own and deliver multiple data science streams, build practical ML models, and turn data into meaningful outcomes. You will work independently within a fast-moving team, collaborate with engineers and product teams, and mentor junior colleagues as you solve high-impact business problems.

The role emphasizes curiosity, accountability, and problem-solving, with opportunities to grow into senior-level responsibilities as you

Qualifications

• 1–3 years of experience in data science or related field.
• Strong programming skills in Python.
• Solid understanding of ML and data science fundamentals.
• Experience with Pandas, NumPy, Scikit-learn.
• Exposure to PyTorch or TensorFlow is advantageous.

Responsibilities

• Own and deliver multiple data science work-streams within projects.
• Perform exploratory data analysis (EDA) to uncover insights.
• Design, build, and evaluate machine learning models.
• Feature engineering and data preprocessing at scale.
• Translate business problems into structured analytical solutions.
• Write clean, scalable, and well-documented code.
• Validate and interpret model results, communicating findings clearly.
• Collaborate with engineers, product teams, and stakeholders.
• Contribute to solution design discussions.
• Support and guide junior team members where needed.

Skills

Python

Pandas

NumPy

Scikit-learn

Independent work

Education

BSc minimum

Tools

PyTorch

TensorFlow

Job description

ATS Client in Johannesburg is seeking an Intermediate Data Scientist to own and deliver multiple data science streams, build practical ML models, and turn data into meaningful outcomes. You will work independently within a fast-moving team, collaborate with engineers and product teams, and mentor junior colleagues as you solve high-impact business problems.

The role emphasizes curiosity, accountability, and problem-solving, with opportunities to grow into senior-level responsibilities as you