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This is an opportunity to step into a senior role at the fast-moving world of payments, where every transaction powers growth, innovation, and customer experience. As Senior Controller, you will become a trusted partner, playing a pivotal role in strengthening operational performance and helping the business scale with confidence. You will join a collaborative and ambitious team that values curiosity, accountability, and forward-thinking leadership. For someone who enjoys operating at both a strategic and hands-on level, this is a rare opportunity to make a visible impact. You will be empowered to challenge the status quo, lead meaningful change, and work alongside passionate colleagues who are committed to delivering exceptional results together.Day-to-day responsibilities<ul><li>Work closely with business to drive the budget, forecast, and long-term business planning cycles by providing valuable input on the underlying assumptions;</li><li>Prepare monthly performance reports, including key financial and business metrics, for presentation to executive committees;</li><li>Monitoring actual performance against budgets and forecasts, and supporting informed decision-making to achieve financial and business objectives;</li><li>Ensure that reliable, timely, and high-quality financial information is provided to business, supporting informed decision-making;</li><li>Participate in cross-functional projects, providing financial expertise and supporting business in the evaluation of new products, initiatives, and strategic projects;</li><li>Implement best practices to enhance efficiency and effectiveness in financial planning, analysis, and reporting by maximizing the use of available ERP and business intelligence systems;</li></ul>Who are we looking forWe look for big thinkers. People who can drive positive change, step up and show what’s next – people with passion, can-do attitude and a hunger to learn and grow. In practice this means:&nbsp;&nbsp;<ul><li>6+ years of experience working as a Finance Business Partner, Controller, or in a similar role;</li><li>University degree in Business, Finance, Economics, or equivalent; Master’s degree in Business, Finance, Economics and/or financial analysis certifications (ACCA, CFA, Financial Modeling &amp; Valuation Analyst (FMVA) etc.);</li><li>Solid knowledge of financial reporting, including IFRS reporting standards, and strong presentation skills, with the ability to explain financial concepts clearly and accurately;</li><li>Strong financial modeling skills, including the ability to prepare forecasts using an integrated planning approach and to project the balance sheet and cash flow based on forecast P&amp;L assumptions;</li><li>Excellent proficiency in Microsoft Office applications;</li><li>Detail-oriented and capable of multi-tasking and shifting priorities quickly under pressure and tight deadlines;</li><li>Experience with complex ERP, BI, MIS, data analysis, and reporting tools; specific experience with Onestream or Oracle and SAP (ECC or S4HANA) reporting software;</li><li>Proven ability to build and maintain relationships across different levels of the organization.</li><li>You are fluent in Greek and English</li></ul>Perks &amp; BenefitsAt Worldline you’ll get the chance to be at the heart of the global payments technology industry and shape how the world pays and gets paid. On top of that, you will also:&nbsp;<ul><li>Be part of a company guided by a strong purpose to do good and recognized as top 1% of the most sustainable companies in all sectors worldwide.</li><li>Work with inspiring colleagues and be empowered to learn, grow and accelerate your career.</li><li>Work in an international environment with cutting edge technologies.</li></ul>

Senior Financial Controller

We are looking for a Senior Health Claims Expert – Individual Claims to join our Life &amp; Health Claims Division. In this role, you will lead initiatives to detect, prevent, and mitigate Fraud, Waste, and Abuse (FWA) across health insurance claims, combining deep operational expertise with advanced analytics. You will collaborate closely with data scientists, engineers, and compliance teams to design and implement solutions that strengthen claims integrity and minimize financial risk.What You Will Do:Claims Expertise &amp; Oversight<ul><li>Provide subject matter expertise on health claims processes, adjudication rules, and regulatory compliance.</li><li>Review and validate claim patterns, anomalies, and high‑risk indicators identified through analytics.</li></ul>Collaboration with Data Teams<ul><li>Partner with data analysts and engineers to define business requirements for FWA detection models.</li><li>Translate operational insights into data features used in predictive modeling and anomaly detection.</li><li>Validate model outputs and ensure alignment with business logic and balanced risk‑based decisions.</li></ul>Fraud Detection &amp; Prevention<ul><li>Support the development of advanced FWA strategies leveraging analytics, AI, and rule‑based systems.</li><li>Contribute to the creation of dashboards and reporting tools for monitoring suspicious claim behaviors.</li><li>Recommend corrective actions and process improvements based on analytical findings.</li></ul>Stakeholder Management<ul><li>Communicate complex analytical insights to non‑technical stakeholders in a clear and actionable manner.</li><li>Train claims teams (including TPA partners) on emerging fraud trends and data‑driven prevention techniques.</li></ul>What You Bring:Required<ul><li>8+ years of experience in health claims management, including at least 3 years in fraud detection.</li><li>Familiarity with analytics concepts (predictive modeling, anomaly detection).</li><li>Ability to work with SQL and dashboards (Power BI/Tableau), and understand data pipelines.</li><li>Strong understanding of the health insurance market, coding standards, and claims workflows.</li><li>Excellent analytical thinking, communication, and stakeholder engagement skills.</li></ul>Preferred<ul><li>Exposure to machine learning applications in healthcare.</li><li>Experience with FWA tools (e.g., SAS Fraud Framework).</li><li>Certification in fraud examination (CFE) or healthcare compliance.</li></ul>What We Offer:• Extensive training opportunities – on-demand and on-site • Partnerships with educational institutions across Greece for advanced study, with tuition support • Comprehensive Health Insurance for peace of mind and financial protection • Well-being support and work–life balance • One‑time budget for home-office equipment • Recognition and rewards for excellence • Monthly meal allowance • Newly renovated, centrally located offices with easy access

Senior Health Claims Expert (Individual Claims)

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senior financial controller

Worldline

senior health claims expert (individual claims)

NN Hellas

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