Senior Business Analyst (Securities Post Trading System)

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company.We are undertaking the challenge of transforming our post-trade architecture. We are looking for an experienced expert who will design from scratch and support the implementation of a modern, scalable securities record-keeping system. The project involves supporting thousands of financial instruments and millions of transactions per day, full automation of multi-currency accounting (double-entry bookkeeping), and migration from legacy script-based solutions.Responsibilities:1. Accounting framework design: Develop the structure of accounts, sub-accounts, and accounting schemes (debit/credit) reflecting the life cycle of securities transactions.2. Post-trade process modeling: Model the complete transaction processing lifecycle for equities and ETFs within the system, with particular focus on:T+1/T+2 settlement (Cash Flow / Settlement),reconciliation of client asset balances (individual investment accounts vs. pooled/omnibus accounts).3. Collaboration on technology migration: Coordinate efforts to establish a new process for feeding accounting systems with data.4. Analysis of regulatory risks and exceptions: Address issues specific to financial markets, including:fractional share transactions,settlement discrepancies,Corporate Actions,multi-entity settlement structures.5. Strategic advisory: Support business stakeholders in making architectural and regulatory decisions.Requirements:1. Professional experience: Minimum 5 years of experience as a Business-System Analyst, Systems Designer, or Product Owner within:capital markets,investment banking,brokerage firms.2. Deep knowledge of financial and operational accounting: Practical understanding of:double-entry bookkeeping principles,general ledger operations,financial subledgers.3. Securities trading domain expertise (Equities and ETFs): Strong understanding of:Trade Life Cycle,settlement mechanisms (T+0 vs. T+2),omnibus account structures,clearing and custody processes.4. Technical competenciesAbility to work with relational databases and cloud data platforms (Snowflake experience is a strong advantage).Experience mapping data from event-driven structures (e.g., transaction system logs) into accounting entries.Proven experience designing systems from scratch, with documented success in building accounting engines or transaction record-keeping systems.5. Analytical and soft skillsStrong process and abstract thinking: Ability to design entity hierarchies enabling the system to generate metrics by product and business line.Ability to map legal and tax risks: Understanding how changes in technical logic (e.g., changing sales ledger postings from "return of principal/profit" to "sales revenue") impact tax operations and reporting (e.g., PIT calculations).6. Business / IT / Compliance communication: Ability to communicate effectively with:software developers,accountants,auditors,international branches.7. Confidence in architectural decision-making: Ability to distinguish between critical MVP requirements and features that may delay project delivery.8. Nice to have is an experience in international projects involving service passporting and local regulatory constraints (e.g., CySEC, FCA).What we offer:A key role in a strategic project of significant scale (thousands of transactions per day),Real influence over the company’s system architecture,The opportunity to work within an expert team where your decisions will shape the company’s future operational landscape.Benefits:A training budget for courses and conferences that interest you,An extra day off on your birthday,An extra day off for parents,Equipment tailored to your needs,Private medical care and group insurance,Access to an e-learning platform for learning English and a benefits platform,Access to a wellbeing platform and the opportunity to take advantage of workshops and private therapy sessions,Remote work, from the office in Warsaw or from a coworking space in your city.