Quantitative Risk Data Scientist, Fintech

Optasiaยท Data & Risk
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๐Ÿ“ Athens, Attica, Greece

About this role

Optasia is a fully enabled B2B2X financial technology platform covering scoring, financial decisioning, disbursement and collection. We are committed to enabling financial inclusion for all. We are changing the world our way.

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 Optasiaโ€™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

  • Bachelorโ€™s or masterโ€™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 you should apply
What we offer:
๐Ÿ‘Ÿ Flexible hybrid working
๐Ÿ’ธ Competitive remuneration package
๐Ÿ Extra day off on your birthday
๐Ÿ’ฐ Performance-based bonus scheme
๐Ÿ‘ฉ๐Ÿฝโ€โš•๏ธ Comprehensive private healthcare insurance
๐Ÿ“ฒ ๐Ÿ’ป All the tech gear you need to work smart

Optasiaโ€™s Perks:
๐ŸŽŒ Be a part of a multicultural working environment
๐ŸŽฏ Meet a very unique and promising business and industry
๐ŸŒŒ ๐ŸŒ  Gain insights for tomorrow marketโ€™s foreground
๐ŸŽ“ A solid career path within our working family is ready for you
๐Ÿ“š Continuous training and access to online training platforms
๐Ÿฅณ CSR activities and festive events within any possible occasion
๐Ÿœ Enjoy comfortable open space restaurant with varied meal options every day
๐ŸŽพ ๐Ÿง˜โ€๏ธ Wellbeing activities access such as free on-site yoga classes, plus available squash court on our premises

In accordance with applicable pay transparency requirements, the salary range for this position will be communicated to candidates before the first step of the selection process, enabling informed discussions regarding the role.

Frequently Asked Questions

Is the salary disclosed for the Quantitative Risk Data Scientist, Fintech position at Optasia?
The salary for this Quantitative Risk Data Scientist, Fintech role at Optasia is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Quantitative Risk Data Scientist, Fintech position at Optasia located?
This Quantitative Risk Data Scientist, Fintech role at Optasia is based in Athens, Attica, Greece. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Quantitative Risk Data Scientist, Fintech at Optasia belong to?
This Quantitative Risk Data Scientist, Fintech position is part of the Data & Risk department at Optasia. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Quantitative Risk Data Scientist, Fintech position at Optasia?
Click the "Apply Now" button on this page. You will be redirected to Optasia's official application portal hosted on workable where you can submit your application directly.
When was the Quantitative Risk Data Scientist, Fintech job at Optasia posted?
This Quantitative Risk Data Scientist, Fintech position at Optasia was posted on Aug 17, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
Quantitative Risk Data Scientist, Fintech
Optasia
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