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Junior Data Scientist (3 Months' contract) (RIF004)

Overview

Reference
RIF004

Salary
ZAR/hour

Job Location
- South Africa -- Johannesburg Metro -- Johannesburg -- Rivonia

Job Type
Contract

Posted
01 September 2025

Closing date
06 Sep 2025 21:59


Job Purpose

  • Contribute to the design and prototyping of analytic engines and services with a foundational understanding of machine learning, data mining, and information retrieval concepts

Job Responsibilities

  • Develop statistical models and algorithms through the use of libraries and abstractions
  • Conducts explority data analysis
  • Create value out of various datasets
  • Provide insights to BI and BA to further exploit and present their models.
  • Apply advanced analytical techniques such as machine learning and artificial intelligence in order to derive business value.
  • Conduct data discovery for inclusion in models.
  • Proficiency in a programming toolset (for e.g, Python, R) for data manipulation and basic data analysis tasks.
  • Grow in knowledge of latest tools and techniques with guidance from senior team members.
  • Able to query and pre-process (wrangle/munge) data.
  • Collaborates with senior data scientists/analysts/engineers to implement and deploy scalable solutions.
  • Implement and maintain ML models and algorithms that drive innovation throughout the organization.
  • Conduct self-development through researching best practices, conducting experiments, and collaborating with industry leaders.
  • Monitor and maintain models in production and re-train if necessary.
  • Support the achievement of the business strategy, objectives and values.
  • Stay abreast of developments in field of expertise.
  • Ensure personal growth and enable effectiveness in performance of roles and responsibilities.
  • Contribute to the Nedbank Culture building initiatives (e.g. staff surveys etc.).
  • Participate and support positive team culture in achievement of business strategy.
  • Seek opportunities to improve business processes, models and systems though agile thinking.

Job Responsibilities Continue

People Specification

  • Essential Qualifications - NQF Level
  • Matric / Grade 12 / National Senior Certificate
  • Advanced Diplomas/National 1st Degrees

Preferred Qualification

  • STEM Qualification
  • Engineering Qualification,
  • Computer Science,
  • Econometrics,
  • Mathematical Statistics,
  • Actuary Science
  • Masters or Doctorate will be an added advantage

Essential Certifications

Preferred Certifications

  • Cloud (Azure, AWS), DEVOPS or Data engineering certification.
  • Any Data Science certification will be an added advantage, Coursera, Udemy, SAS Data Scientist certification, Microsoft Data Scientist.

Minimum Experience Level

  • MS/PhD in STEM or related technical discipline
  • 1-3 years’ experience in a statistical and/or data science role
  • Cursory knowledge of machine learning, statistics, optimization or related field
  • Experience with R, Python, Matlab is required, programming in C, C++, Java
  • Experience working with large data sets, simulation/ optimization, and distributed computing tools (Map/Reduce, Hadoop, Hive, Spark, Gurobi, Arena, etc.)
  • Excellent written and verbal communication skills along with strong desire to work in cross functional teams
  • Attitude to thrive in a fun, agile start-up like environment

Technical / Professional Knowledge

  • Data Mining
  • Data analysis
  • Data structures
  • Presentation Skills
  • Problem solving skills
  •  Programming
  • Supervised Learning
  • Unsupervised Learning
  • NLP
  • Statistical Analysis
  • Data Visualisation
  • Feature Engineering/Selection
  • Hyper Parameter Tuning
  • Research and analytics
  • Continuous Learning
  • AI Ethics and Fairness

Behavioural Competencies

  • Planning and Organizing
  • Collaborating
  • Continuous Improvement
  • Innovation
  • Leveraging Feedback
  • Applied Learning


Contact information

Riford Masuku