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Senior

Senior Data Scientist | Financial Services

Confirmed live in the last 24 hours

quantium

quantium

Johannesburg
Hybrid
Posted April 1, 2026

Job Description

Who is Quantium?

Quantium is a world leader in data science and artificial intelligence. Established in Australia in 2002, Quantium is a global team of more than 1,200 people across 14 locations with a unique blend of capabilities across product and consulting services to help businesses unlock value from data and analytics. Quantium partners with the world's largest corporations to forge a better, more intelligent world.

Our Financial Services practice partners with leading financial institutions across South Africa to drive transformative outcomes through advanced analytics and AI solutions. We're at the forefront of innovation in the sector, delivering solutions that transform how banks understand and serve their customers.

As a Senior Data Scientist in our FS vertical, you'll find signal in noise across millions of digital footprints, translating complex business challenges into elegant analytical solutions that help our clients make better decisions every day. You'll work in an autonomous and meritocratic environment where you'll have the opportunity to experiment with emerging tools whilst building timeless problem-solving capabilities

How will you make an impact?

  • Lead analytical workstreams: Design and deliver sophisticated analytics solutions that solve complex business problems, from problem framing through to implementation
  • Drive technical innovation: Apply statistical methods and machine learning techniques to datasets at scale, iterating from weeks to hours using emerging AI capabilities
  • Build trusted partnerships: Develop and maintain strong relationships with client stakeholders, translating technical concepts into actionable business insights that drive measurable outcomes
  • Foster team growth: Mentor junior team members and contribute to building our analytics capabilities, sharing knowledge that helps others discover their superpowers
  • Shape the future: Support business development through thought leadership and solution design, influencing how financial institutions leverage data to serve their customers

The superpowers you'll be bringing to the team:

  • Technical excellence: 5+ years' experience in data analytics or data science, with strong programming skills in Python, SQL, or R, and deep understanding of statistical methods and machine learning techniques
  • Problem solver: Your ability to make the complex simple means you can identify patterns across domains and frame business challenges into analytical solutions that actually get used
  • Translation skills: Experience communicating technical concepts to non-technical audiences
  • Commercial acumen: Understanding of business needs with the ability to assess commercial impacts of different analytical approaches, balancing what works versus what sounds good
  • Academic foundation: Degree in a quantitative field such as statistics, mathematics, computer science, engineering, or related discipline

Remember – you might not tick all the boxes, but don't let that stop you from applying. We're more interested in how you work, your ability to solve problems and think big.

What could your Quantium Experience look like?

Working at Quantium will allow you to challenge your imagination. You will get to solve complex problems using rigour, precision and by asking great questions – but it also means you can think big, outside the box and push your problem-solving skills to the max.

By joining the Quantium team, you'll get to:

  • Forge your path: Be in the driver's seat of your career, with opportunities to move across different teams or offices
  • Find your kind: Embrace diversity and connect with like-minded colleagues who are passionate about uncovering hidden truths about how the world actually works
  • Make an impact: Leave your mark by building solutions that reshape how millions of customers interact with financial services

On top of the Quantium Ex

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