Mathematical Modelling jobs

Riskworx is a boutique Financial and Quantitative Modelling consultancy specializing in Banking and Capital Markets. With over 25 years of experience, we bring a unique fusion of knowledge, skills, and impact to the banking sector.

Our expertise spans a wide range of risk types and balance sheet management concerns, including market, credit, liquidity, and operational risk. We are dedicated to delivering effective solutions that address the complex needs of our clients, helping them navigate evolving regulations and leverage technological advancements to their advantage.

Our commitment to problem-solving, value delivery, and building strong client relationships sets us apart in the industry.

Join us at the Riskworx Academy for an exhilarating 3-month Bootcamp, where we handpick graduates from STEM fields through our rigorous recruitment process to join our exclusive Mavericks Programme.

Throughout this Bootcamp, you'll have the chance to leverage your skills in computer science, statistics, economics, and applied mathematics to tackle contemporary challenges in financial risk management.

Upon successfully completing the program, you'll be fully prepared to embark on your career in financial engineering.

Requirements

Degree Qualifications

You must be completing, or have recently completed, an Honours or Master’s degree in one of the following:

• Actuarial Science
• Computational and Applied Mathematics
• Computer Science
• Data Science
• Econometrics
• Engineering (Electrical, Electronic, Computer, Mechanical, Chemical, Industrial or Mechatronic)
• Financial Engineering
• Financial Risk Management
• Mathematical Finance
• Mathematical Sciences
• Mathematical Statistics
• Physics
• Quantitative Risk Management
• Statistics
• Other quantitative disciplines with a strong mathematical component

The intention to pursue one of the following professional qualifications is advantageous:

• CFA
• FRM
• PRM
• CQF

Skills

• Strong mathematical and analytical skills, such as calculus, linear algebra, probability, differential equations or numerical methods
• Programming experience in Python, C++, C#, R, MATLAB or similar
• Strong data analysis and problem-solving skills
• Excellent written and presentation skills
• Curiosity and a genuine interest in learning how financial markets work
• Exposure to stochastic calculus, time series analysis, financial modelling or derivative pricing is advantageous but not required

Responsibilities

• Implement and enhance the Riskworx quantitative pricing library
• Engage in research and new developing areas of interest, raising the firm’s profile and your own through webinars, research papers and blogs
• Work with the team to provide consulting and advisory services to clients, especially in full lifecycle management of models, both regulatory and economic. This includes, but is not limited to, Valuations, Credit Risk (direct and counterparty), Market Risk, Balance Sheet Management and ESG
• Implement, validate, specify and benchmark valuation and risk models across a broad range of asset classes
• Solicit, capture, understand and solve key client pain points, including requirements captured in business requirement documents (BRDs) and product specifications

Please note

• This role is based in Johannesburg and starts in early January 2027.
• Only applications from South African citizens and South African permanent residents will be considered.
• A completed postgraduate degree is a requirement for this position.

Offers for this role are made at Riskworx’s discretion.