We are the company that cares – for our staff, for our clients, for our partners and for the quality of the work we do. A dynamic, global company founded in 1995, we bring together more than 3,000 driven, dedicated and passionate individuals. We work on the frontline of medical science, changing lives, and bringing new medicines to those who need them. Join our international team as an Assistant, Regional F&A, where you will play a key role in ensuring accurate and timely out-of-pocket (OOP) expense reporting across the region. You will be able to take ownership of financial processes, collaborate with cross-functional teams, and contribute to high-impact projects in a dynamic, global environment. Hybrid role in Sofia, Bulgaria (6 months office-based, followed by a hybrid work model) You will: Coordinate OOP expense reconciliation and reporting across the region Act as a key contact between Finance & Accounting and project teams Review and resolve financial discrepancies related to project expenses Prepare and submit OOP reports in line with internal policies and deadlines Reconcile project financial data from multiple sources Verify and process pass-through expenses in compliance with regulations Perform cost/revenue analysis and support project forecasting Contribute to process improvements and ensure compliance Support team members and participate in cross-regional initiatives Bachelor’s degree in Economics, Business Administration, or a related field, or currently in the third or fourth year of relevant university studies. Prior experience in finance/accounting in an international environment is a plus Prior clinical trial industry experience is a plus Native Bulgarian and full working proficiency in English (B1) Proficiency in MS Office applications Ability to plan, multitask and work in a dynamic team environment Excellent attention to detail and analytical thinking Strong communication and stakeholder management skills Take your first step towards a career in clinical research, coordinating a variety of tasks and learning new things while growing with the company.