Junior Quantitative Risk Data Scientist at Optasia | Athens, Greece

Optasia is an innovative B2B2X financial technology platform dedicated to transforming financial decision-making, scoring, disbursement, and collection processes. Our mission is to promote financial inclusion for everyone, and we are making a significant impact in the world.We are looking for passionate individuals who are driven by results and possess a proactive mindset. Join our dynamic team of like-minded professionals who are committed to delivering cutting-edge solutions in an exciting and collaborative environment.As a Junior Quantitative Risk Data Scientist, you will play a vital role in enhancing Optasia's advanced risk management strategies and optimizing revenue as a key member of our Credit Portfolio Optimization team. This team specializes in credit scoring, model development, and managing large loan portfolios daily. Your responsibilities will include (i) creating statistical and machine learning algorithms for credit evaluation, (ii) optimizing revenues through effective risk management, (iii) conducting detailed risk analytics, and (iv) integrating models into day-to-day operations of extensive loan portfolios. You will collaborate within a robust team of 25 skilled professionals.Your ResponsibilitiesConduct comprehensive risk analyses and optimizations on microloans, comprising 80% of your role.Design predictive models, primarily focusing on statistical approaches with occasional machine learning applications.Provide actionable insights into credit risk utilizing advanced big data analytics.Assess and analyze credit risk factors through computational techniques on extensive datasets.Work closely with cross-functional teams to facilitate data-driven decision-making.Continuously enhance risk models to maximize financial outcomes while minimizing risks.Your QualificationsBachelor’s degree in Data Science, Statistics, Mathematics, or a related discipline.Strong background in statistical modeling; familiarity with machine learning is advantageous.Proficient in programming languages such as Python or R, with substantial experience in big data analytics.Thorough understanding of risk analytics and credit risk determinants.Adept at managing and analyzing large datasets to extract valuable insights.Excellent analytical and problem-solving abilities.Key AttributesExceptional interpersonal and communication skills.Capacity to meet tight deadlines while maintaining meticulous attention to detail.Strong judgment and problem-solving capabilities.Experience adhering to secure coding practices and guidelines (e.g., OWASP, NIST).Why Join Us? Experience the thrill of working in a forward-thinking company that is committed to driving change in the financial landscape.

Join Optasia, a pioneering B2B2X financial technology platform that is revolutionizing financial inclusion through advanced scoring, decision-making, disbursement, and collection solutions. We are dedicated to changing the world of finance for the better.At Optasia, we thrive on innovation, and we are looking for passionate individuals who are results-oriented and eager to collaborate in a dynamic team environment. Data is the backbone of our growth strategy, and the Data Engineering team plays a crucial role in driving data-driven automated decision-making processes.We invite you to become a part of our expanding Data Engineering team as a Junior Data Engineer. In this role, you will have the opportunity to design and implement robust batch and streaming data pipelines, significantly contributing to our mission.Your ResponsibilitiesCollaborate with Data Architects, Machine Learning Engineers, and Data Analysts to design, deliver, and support the company's ETL and ML pipelines.Develop and maintain essential libraries for batch processing and large-scale data ingestion.Create and implement new processes to facilitate real-time data streaming from various sources.Enhance the efficiency and accuracy of data injection into our big data infrastructure.Explore and apply innovative data engineering patterns and technologies.Your QualificationsBachelor's or Master's degree in Computer Science, Informatics, or a related field.Understanding of data modeling, mining, and warehousing methodologies.Proficiency in at least one programming language, preferably Java, Scala, or Python.Solid SQL skills.Strong analytical abilities with meticulous attention to detail.A genuine enthusiasm for learning new technologies and working collaboratively with creative professionals.Preferred QualificationsPractical experience with Big Data technologies (e.g., Apache Spark, YARN, HDFS, MapReduce).Experience with NoSQL databases.Familiarity with mathematical modeling, algorithm development, and machine learning.Why Optasia?What we offer: Flexible hybrid working environment Competitive salary package Additional day off on your birthday Performance-based bonuses‍ Comprehensive private health insurance All necessary tech gear to work efficientlyJoin our multicultural team at Optasia and be part of a unique and rewarding workplace!

Optasia is a leading B2B2X financial technology platform dedicated to enhancing scoring, financial decision-making, disbursement, and collection processes. Our mission is to drive financial inclusion for everyone, and we are passionate about transforming the financial landscape.We are on the lookout for dynamic and motivated professionals who are results-oriented and possess a proactive mindset. Join a team of like-minded individuals who are innovating solutions in an exciting work environment. As a Senior Quantitative Risk Data Scientist, you will play a crucial role in Optasia's algorithmic trading and portfolio optimization unit. As part of the Credit Portfolio Optimization team, you will merge your expertise in risk management, research, and technology to implement trading strategies across various projects. You will utilize your insights and knowledge to make real-time critical decisions while collaborating with experienced traders, big data specialists, and machine learning engineers to optimize system performance.Your ResponsibilitiesDevelop and implement algorithmic solutions aimed at optimizing revenues through credit risk analysis.Generate credit-risk insights using advanced big data analytics.Create and execute portfolio risk assessment tools and procedures to effectively monitor and manage credit risk.Conduct in-depth risk analysis on microloans and other financial products, refining risk models to enhance decision-making processes.Identify and assess credit risk factors using sophisticated computational techniques on extensive datasets.Build predictive models, employing both statistical and machine learning methods, to bolster risk management strategies.Work collaboratively with fellow data scientists and machine learning engineers.Continuously enhance and refine risk assessment methodologies to keep pace with evolving market conditions.Mentor junior and mid-level quantitative analysts, fostering an environment of collaboration and knowledge sharing.Stay informed about industry trends, emerging technologies, and evolving methodologies to maintain best-in-class risk management practices.

Optasia is a B2B2X financial technology platform focused on scoring, financial decision-making, disbursement, and collection. The company’s mission centers on advancing financial inclusion worldwide and reshaping the financial sector through a distinct approach. Role Overview The Quantitative Risk Data Scientist will join the Credit Portfolio Optimization team in Athens. This position sits at the intersection of risk management, research, and technology, contributing to algorithmic trading and portfolio optimization projects. The role involves working alongside traders, big data experts, and machine learning engineers to support real-time decision-making and maintain strong system performance. What You Will Do Design and implement algorithmic solutions to maximize revenue through detailed credit risk analysis. Extract actionable insights on credit risk using advanced big data analytics. Develop tools and procedures for portfolio risk assessment to monitor and manage credit risk effectively. Conduct thorough risk analyses of microloans and other financial products, refining risk models to improve decision quality. Identify and evaluate credit risk factors by applying advanced computational techniques to large datasets. Build predictive models using statistical and machine learning methods to strengthen risk management strategies. Collaborate closely with data scientists and machine learning engineers. Continuously update risk assessment methods in response to changing market conditions. What We Look For Bachelor’s or Master’s degree in Data Science, Statistics, Finance, Mathematics, or a related discipline. 2-5 years of experience in quantitative risk analysis, preferably within financial services. Demonstrated skill in developing and applying algorithmic models for revenue and risk optimization. Strong background in statistical modeling and experience with machine learning models. Proficiency in Python or R, and hands-on experience with big data risk analytics. Track record of designing and deploying portfolio risk assessment tools. Excellent problem-solving skills and attention to detail when working with complex datasets. Key Attributes Sound judgment and strong analytical thinking. Self-driven, resourceful, and comfortable working independently.

At Optasia, we are pioneering a comprehensive B2B2X financial technology platform that encompasses scoring, financial decision-making, disbursement, and collection processes. Our mission is to promote financial inclusion on a global scale. Join us as we revolutionize the financial landscape.With over a decade of experience since our founding, we have established ourselves as a frontrunner in the Fintech industry, continuously innovating and expanding our suite of solutions to provide unparalleled monetization opportunities for our partners and clients.As a vital member of the Data Assurance team at Optasia, you will collaborate closely with the Data Architect to conduct automated sanity checks and validate vast amounts of pre-processed and post-processed data. You will also test various algorithms employed in our Credit Risk Assessment processes for nano and micro-financing. Working alongside a team of creative professionals, you will have the chance to showcase your expertise in data assurance, statistical models, and machine learning, while enhancing your analytical and innovative capabilities. This role offers a unique opportunity to deepen your knowledge in data assurance, artificial intelligence, machine learning, and predictive risk analytics.Your Responsibilities:Automate data assurance and validation processes.Conduct sanity checks on extensive datasets, both pre-processed and post-processed.Research, analyze, and document data discrepancies reported by clients, determining appropriate resolution strategies using independent judgment.Implement data pre-processing techniques.Automate testing procedures for Risk Models and algorithms utilized in Credit Risk Assessment.Document and monitor production issues, processes, procedures, and changes related to data amendments.

We are looking for a motivated and skilled IT Support Engineer to join our dynamic team at Optasia, a leading player in the fintech industry. In this role, you will be responsible for providing exceptional technical support, troubleshooting issues, and ensuring the smooth operation of our IT systems. Your expertise will help us maintain high service levels and deliver outstanding solutions to our clients.If you are passionate about technology and customer service, and thrive in a fast-paced environment, we want to hear from you!

Optasia is an innovative B2B2X financial technology platform dedicated to enhancing scoring, financial decision-making, disbursement, and collection processes. We are passionate about fostering financial inclusion and transforming the world through our unique approach.We are seeking a dynamic and driven Program Manager (Revenue) to join our team and collaborate closely with the Chief Revenue Officer (CRO) to implement strategic initiatives that span the CRO organization.This role serves as an integral extension of the CRO, facilitating the definition, coordination, and execution of essential programs and projects across various regions and functions. You will be responsible for translating revenue and growth priorities into actionable initiatives, ensuring disciplined execution, and fostering alignment among stakeholders.Unlike traditional sales operations or performance management roles, this position emphasizes strategic execution and program leadership, empowering the CRO to advance priorities swiftly and transparently.This opportunity is tailored for an exceptionally organized, structured, and execution-focused professional who thrives in a fast-paced fintech environment and enjoys engaging with senior leadership.

Optasia builds B2B2X financial technology for scoring, decision-making, disbursement, and collections, with a focus on expanding financial inclusion worldwide. The company’s growth relies on data-driven strategies, and the Machine Learning Engineering team is at the center of this effort. The Machine Learning Infrastructure Engineer role supports automated decision-making and risk management. This position involves working with large data sets, integrating information from multiple sources, and managing analytical pipelines built on a modern big data technology stack. What you will do Build and maintain resilient machine learning pipelines that support business-critical decisions Design and develop statistical and machine learning algorithms for credit risk management Deploy and operationalize ML solutions to improve automated risk assessment and decision processes What we are looking for Strong experience with end-to-end machine learning workflows Background in developing and deploying advanced algorithms Motivation, energy, and a results-oriented approach Ability to thrive in a collaborative team environment This position is based in Athens, Greece, and offers the chance to make a direct impact on Optasia’s data-driven initiatives.

At Optasia, we are at the forefront of reshaping the financial technology landscape. Our innovative B2B2X platform provides comprehensive solutions for scoring, financial decision-making, disbursement, and collection, all aimed at promoting financial inclusion. Join us in changing the world.With over a decade of experience, we have emerged as a global leader in the Fintech sector, continuously evolving our offerings and exploring new monetization pathways for our partners and clients.As a vital member of the Systems Engineering team, your key mission will be to ensure the reliability and excellence of our backup and recovery operations. You will implement, optimize, and sustain the organization’s backup, retention, and disaster recovery strategies across all platforms.Your ResponsibilitiesOversee, monitor, and streamline backup and restore operations across diverse platforms.Support and enhance Veeam, Barman, and NiFi backup environments to ensure data integrity and readiness for recovery.Engage in disaster recovery planning, testing, and execution utilizing VMware vRealize Automation and related VMware tools.Address incidents, conduct root cause analyses, and guarantee prompt resolution of backup or recovery challenges.Manage and refresh backup configurations, retention policies, and recovery procedures.Document operational processes, test outcomes, and technical setups.Collaborate with the Team Leader to enhance performance, scalability, and robustness of backup and disaster recovery systems.Ensure adherence to compliance, audit, and data protection standards.Contribute to capacity planning, automation, and initiatives aimed at service improvement.Your Qualifications3-5 years of experience in IT infrastructure with a focus on backup and disaster recovery operations.In-depth technical knowledge of Veeam, Barman, and NiFi.Practical experience with VMware disaster recovery environments (VRA, SRM, or similar).Strong grasp of RPO/RTO concepts, backup architecture, and data retention strategies.Experience in incident management, troubleshooting, and performance optimization.Familiarity with regulatory and compliance frameworks (ISO 27001, GDPR, or equivalent).Exceptional attention to detail, documentation skills, and a collaborative spirit.Why Optasia?We offer a comprehensive remuneration package that includes: Competitive salary An extra day off on your birthday Performance-related bonuses All the technology you need to work efficientlyJoin a diverse and multicultural team, and engage with a unique and promising industry while gaining insights into the future market landscape.

Optasia is an advanced B2B2X financial technology platform dedicated to enhancing scoring, financial decision-making, disbursement, and collection processes. Our mission is to drive financial inclusion globally, as we are transforming the financial landscape.We are in search of passionate and dynamic professionals with a results-oriented mindset to join our innovative team. As the Director of Quantitative Risk Management, you will lead a team of 50 dedicated members focused on optimizing Credit Risk. Your primary responsibility will involve researching, developing, implementing, and managing a framework for quantifying model and market risk. The ideal candidate will be self-motivated, thrive in fast-paced environments, and possess strong interpersonal skills for effective collaboration with Credit Traders and Quantitative Risk Data Scientists.Key Responsibilities:Oversee the measurement, monitoring, and control of credit risk.Develop a robust framework for risk model validation and strategy assessment.Review and validate the accuracy and suitability of existing and new risk models.Assess and validate credit risk policies.Design and define comprehensive credit risk management reports.Provide expert guidance to risk stakeholders regarding risk-taking practices.Support and validate risk optimization systems.Conduct detailed analysis and documentation of methodologies, techniques, and findings.Engage in cutting-edge research for risk quantification and model validation.

Optasia is an innovative B2B2X financial technology platform that specializes in scoring, financial decision-making, disbursement, and collections. Our mission is to facilitate financial inclusion for everyone. We are transforming the world in our unique way.We are in search of a dynamic and results-oriented Internal Audit Specialist who possesses a proactive mindset and excels in a fast-paced, agile, and empowering environment. Join our expanding team of passionate professionals dedicated to delivering solutions in an exciting and innovative landscape. This position is perfect for individuals with Senior Associate or Manager-level expertise, particularly those with fintech experience.As part of our Risk, Compliance, and Assurance function, the successful candidate will report to the Head of Internal Audit. You will be instrumental in assessing and enhancing the effectiveness of our internal controls, risk management practices, and overall governance processes, ensuring we maintain compliance while scaling operations.The ideal candidate will showcase strong analytical abilities and communication skills, adept at converting audit findings into actionable insights that drive business value. Collaboration with cross-functional teams across finance, operations, commercial, product, risk, and compliance will be key to ensuring secure scaling while upholding robust control frameworks and operational discipline.Key Responsibilities:Lead comprehensive risk-based internal audits from scoping to reporting and follow-up.Develop an in-depth understanding of Optasia’s business model and evaluate key risks in Finance, Operations, Commercial, Product, Risk, Compliance, and third-party engagements.Assess the design and operational efficiency of internal controls, identify root causes, and propose actionable enhancements to support growth and compliance.Prepare detailed reports and communicate audit findings, offering clear, actionable recommendations to management.Collaborate with stakeholders to facilitate remediation and ensure measurable improvements in controls.Contribute to the ongoing development of the annual internal audit plan, methodology, and monitoring activities.Foster a culture of accountability and strong internal controls.Act as a trusted advisor—balancing risk and operational needs.

Join Kpler as a Data Scientist and be a part of our innovative team that drives data-driven decision making in the energy sector. You will leverage your analytical skills to extract insights from vast data sets, develop predictive models, and contribute to our mission of delivering accurate and actionable information to our clients.

Snappibank is hiring a Quantitative Analytics Manager in Athens to focus on risk management within its financial operations. This position centers on using quantitative analysis to identify, assess, and help reduce risks across the organization. Role overview The Quantitative Analytics Manager leads a team dedicated to building and refining analytical models for risk assessment. The role involves interpreting complex data, shaping risk strategies, and ensuring findings are communicated clearly to stakeholders to support business decisions. What you will do Guide a team of analysts in developing and maintaining quantitative models for risk management Analyze financial data to identify trends and potential areas of risk Present actionable insights and recommendations to senior stakeholders Requirements Experience in quantitative analysis within financial services Proven ability to lead teams and manage analytical projects Strong communication skills for presenting complex findings to diverse audiences

Role Overview Avis Greece is looking for a Seasonal Parking Agent in Athens. This role focuses on preparing vehicles for delivery and inspecting them when they return from rental. Main Responsibilities Prepare vehicles and check additional equipment such as GPS units and Wi-Fi devices before handing them over to customers. Inspect the condition of vehicles and any rented equipment when customers return them. Complete reservations by finalizing contracts in the system and recording any necessary damage compensation. Monitor and maintain the parking area to ensure it stays organized and safe. Provide helpful and attentive customer service throughout the process.

About Avis Greece Avis Greece is part of a global brand focused on reshaping how people move. The company develops integrated products and services that aim to make travel more flexible and convenient for customers worldwide. Why Work at Avis Greece? Supportive team culture: Colleagues work together to encourage new ideas and keep customer needs at the center of every decision. Purpose-driven work: Employees help shape the future of mobility, contributing to a more connected world. Rental Sales Agent – Athens Downtown The Athens Downtown team is looking for a Rental Sales Agent who will deliver excellent service, drive sales, and make the rental process smooth for every customer. Main Responsibilities Deliver friendly, reliable customer service for each car rental and build long-term relationships with clients. Promote relevant products and services to improve the customer experience. Monitor competitor offerings and market trends to help maintain competitive rates in line with company guidelines. Support daily station operations and suggest improvements for better results. Work with other departments to resolve customer issues and ensure high service standards. Location Athens, Attica, Greece

Join us at tbibankgr, a pioneering challenger bank in Southeast Europe, recognized as a regional leader in alternative payment solutions. We are dedicated to creating an innovative ecosystem that seamlessly integrates financing and shopping to meet our customers' diverse needs. Our commitment to a customer-centric approach has positioned us as one of the most profitable and efficient banks in the region, proudly serving clients across Romania, Germany, Bulgaria, and Lithuania. With our recent expansion into Greece, we have established strong partnerships with thousands of merchants and consumers. Are you ready to play a pivotal role in our remarkable success story?What You Will Do:Conduct comprehensive credit risk analysis to guide strategic decision-making within our consumer lending portfolio.Prepare and validate both regulatory and internal risk reports, ensuring adherence to compliance standards.Calculate and monitor key risk parameters (e.g., PD, LGD) while ensuring consistent methodologies are applied.Analyze portfolio performance, identifying trends, deviations, and early warning signals of potential risks.Ensure the accuracy, reconciliation, and consistency of data across all risk reports and source systems.Support the implementation and continuous monitoring of credit policies, aligning with our risk appetite.Translate business requirements into clear analytical specifications and validate analytical outputs.Actively engage in User Acceptance Testing (UAT) and Quality Assurance (QA), including designing test cases, executing tests, and validating results.Contribute to the development and maintenance of risk reporting frameworks, dashboards, and data pipelines.Maintain thorough documentation of methodologies, calculations, and reporting processes in compliance with audit and regulatory standards.

Join Avis: Where Your Career Finds Purpose and We Redefine Mobility At Avis, we are revolutionizing the way people travel, spearheading transformation in the global mobility sector. Our mission is to innovate and deliver integrated products and services that create an array of new travel possibilities, defined by exceptional convenience and flexibility.Why Choose Avis: A Collaborative Work Environment: At Avis, we are more than just a business; we are a community that cherishes its employees. We take great pride in fostering a collaborative atmosphere, focused on innovation, and prioritizing customer satisfaction in every action we take. Your Career, Your Purpose: By joining us, you'll find that Avis is the place where your career can truly thrive. We are not merely offering jobs; we are inviting exceptional talent to contribute to our vision of a more connected world. Unlock Your Potential as a Rental Sales Agent with Avis Greece Avis Greece is searching for an outstanding Rental Sales Agent to join our team at the Athens Airport Station. This role is pivotal in delivering extraordinary customer service, driving sales, and ensuring an effortless rental experience for our clients. Your Key Responsibilities: Provide exemplary customer service for every car rental, building trust and fostering long-term client relationships. Promote additional products and services to elevate the overall customer experience. Remain knowledgeable about competitor offerings and market trends to ensure our deals are competitive and aligned with company policies. Contribute actively to the operations of the station, suggesting enhancements to improve performance. Monitor and address customer complaints in collaboration with relevant departments to guarantee outstanding service.

Are you enthusiastic about artificial intelligence? At Satori Analytics, we are on a mission to revolutionize the world, one algorithm at a time, by empowering global brands through Data and AI. Our innovative solutions span the entire data lifecycle, from cloud-based ecosystems for fintech to predictive models for airlines. As a rapidly expanding scale-up with a team of over 100 tech specialists—including Data Engineers, Data Scientists, and more—we provide cutting-edge analytics solutions across various sectors, including FMCG, retail, manufacturing, and financial services. Join us as we spearhead the data revolution in South-Eastern Europe and beyond! Your Daily Responsibilities: Explore diverse data sources, analyze them, and evaluate their influence on business outcomes. Develop and optimize Data Science pipelines, balancing performance, business objectives, and model complexity. Design and maintain machine learning pipelines, encompassing data cleaning, transformation, model evaluation, hyperparameter tuning, and deployment. Investigate emerging technologies, platforms, and industry best practices to identify innovative opportunities. Contribute to the advancement of our Data Analytics platform, particularly in Machine Learning and MLOps capabilities.

At Kpler, we are committed to empowering our clients to navigate complex market dynamics with confidence. By streamlining global trade information and delivering actionable insights, we enable organizations to make informed decisions in the commodities, energy, and maritime sectors.Since our establishment in 2014, we have prioritized providing superior intelligence through intuitive platforms. Our diverse team of over 700 experts from more than 35 countries works diligently to convert complex data into practical strategies, ensuring our clients maintain a competitive edge in an ever-evolving market landscape. Join us to harness innovative technology for meaningful outcomes and enjoy exceptional support on your path to success.Your Future RoleThe Junior Data Analyst will play a pivotal role in comprehending, analyzing, and transforming data to elevate Kpler’s analytical capabilities and product offerings within the maritime sector. This position merges data proficiency with industry insight to ensure data solutions meet market demands, enhancing data quality and relevance across applications and maritime content. The analyst will engage in all phases of the data lifecycle, including evaluation, collection, management, visualization, and interpretation, with a strong emphasis on generating impactful insights that support decision-making.

Join tbibankgr, a pioneering challenger bank and a regional frontrunner in alternative payment solutions across Southeast Europe. Our innovative ecosystem seamlessly integrates financing with shopping to meet the diverse needs of our customers. With a solid track record of profitability and efficiency, we proudly serve clients in Romania, Germany, Bulgaria, and Lithuania, and have recently expanded our operations to Greece, catering to thousands of merchants and consumers. Are you ready to contribute to our distinctive success story?If so, we invite you to apply for the Risk Technology Specialist position. This role centers on the development and maintenance of robust risk management and decisioning systems. We are seeking candidates with strong JavaScript skills and a solid technical foundation, preferably with experience in banking or financial services.Key Responsibilities:Develop and maintain risk systems and decision engines using JavaScript (Node.js or frameworks) and associated technologies.Construct and support APIs, system integrations, and data pipelines connecting internal and external systems.Transform risk methodologies (e.g., scorecards, rules) into actionable technical solutions.Conduct troubleshooting, debugging, and performance tuning for production systems, ensuring the efficiency and reliability of risk management systems.Assist with testing, deployment, and configuration processes across various stages of the development lifecycle.Provide technical expertise and support to stakeholders including risk analysts, business users, and IT teams.Engage in project planning, estimation, and execution to ensure timely delivery of high-quality solutions.Collaborate with cross-functional teams to gather requirements and translate business needs into technical solutions, effectively communicating technical concepts to non-technical audiences.Maintain technical documentation and ensure compliance with audit requirements.Stay informed about industry trends, emerging technologies, and regulatory developments related to risk management and leverage this knowledge to enhance our risk technology infrastructure.