Optasia

Quantitative Risk Data Scientist, Fintech

Greece full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
Sign in to apply Free account — we bring you straight back to this role.

About the role

Optasia is a real-time financial intelligence company. We build precision intelligence that unlocks financial opportunity at scale, running millions of automated credit decisions every day across high-growth markets where formal credit data is limited. Our AI-powered platform turns permitted behavioural data and real-time signals into precise, responsible credit decisions. Embedded within the systems of telcos, banks, digital wallets and other partners, it helps them extend relevant financial services to more people while maintaining strong portfolio control and opens profitable new segments that were previously out of reach. This is how Optasia turns potential into financial progress, responsibly and at scale.
We are seeking for enthusiastic professionals, with energy, who are results driven and have can-do attitude, who want to be part of a team of likeminded individuals who are delivering solutions in an innovative and exciting environment. Quantitative Risk Data Scientist significant contributors of Optasia’s advanced algorithmic trading and portfolio optimization unit. As member of the Credit Portfolio Optimization team in Optasia, you will have an opportunity to combine the disciplines of risk management, research, and technology to operate trading strategies across multiple projects. You are expected to leverage your experience and knowledge in making critical decisions in real-time processes, while working closely with experienced traders, big-data, and machine-learning engineers to ensure optimal system performance.
What you will do

Design and implement algorithmic solutions for revenues optimization though credit risk analysis.

Deliver credit-risk insights through big data risk analytics.

Development and implementation of portfolio risk assessment tools and procedures to monitor and manage credit risk.

Conduct detailed risk analysis on microloans and other financial products, optimizing risk models to improve decision-making.

Identify and evaluate credit risk factors using advanced computational methods on large datasets.

Develop predictive models, including both statistical and machine learning approaches, to support risk management strategies.

Collaborate closely with data scientists and data & machine learning engineers.

Continuously refine and improve risk assessment methodologies to align with evolving market conditions.

What you will bring

Bachelor’s or master’s degree in data science, Statistics, Finance, Mathematics, or a related field.

Proven experience (2-5 years) in quantitative risk analysis, preferably within the financial services sector.

Expertise in developing and implementing algorithmic models for revenue and risk optimization.

Strong proficiency in statistical modeling, with experience in machine learning models.

Proficiency in programming languages such as Python or R, with extensive experience in big data risk analytics.

Demonstrated ability to develop and implement portfolio risk assessment tools.

Strong problem-solving skills and attention to detail in analyzing complex data sets.

Your key attributes

Excellent judgment and problem-solving skills

Self-motivated, self-directed, resourceful and in possession of a high level of personal initiative

Communication skills

Creative skills

Experience in working with secure code development guidelines and coding practices (i.e. OWASP, NIST)

Why Optasia?
Optasia is a high-growth, AI-powered financial infrastructure platform serving over 432 million users in emerging markets across Africa and Asia. By harnessing the power of AI and real-time data we unlock financial opportunities for customers. We have been recognized as a top fintech by Forbes Middle East, culminating in a successful JSE listing in 2025.
At Optasia, our global team builds the tech, products and services which will change the game for the world's unbanked population. We empower our people by offering unique employee experiences and support individual careers by prioritizing well-being and embracing flexibility.
Benefits include:

Work from anywhere policy

Competitive remuneration package

Extra day off on your birthday

Performance-based bonus scheme

All the tech gear you need to work smart

Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Finance Python Quantitative Risk Data Mid level

Likely questions

  1. Tell us about work you have done that is close to the Quantitative Risk Data Scientist, Fintech role.
  2. How would you approach your first 30 days at Optasia?
  3. Which of Finance, Python and Quantitative have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Finance, Python and Quantitative.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Quantitative Risk Data Scientist, Fintech role because I can bring practical experience in Finance, Python and Quantitative, learn the team quickly, and contribute to the outcomes Optasia needs from this hire.

Related jobs.

More roles from this company or category.