Affirm is seeking a highly motivated Senior Software Engineer to build scalable foundational systems and data pipelines for financial reporting. The role involves partnering with Product and Accounting teams to design robust reporting and reconciliation systems, enabling accurate and timely data delivery from Affirm's financial products. Key responsibilities include building and integrating data pipelines, developing a reconciliation platform, and partnering with various teams to design best-in-class systems. The ideal candidate should have 2+ years of experience as a software engineer, fluency in back-end development, event processing, and batch processing, and strong cross-team communication skills. Knowledge of Python, Airflow, AWS, and Snowflake is a plus, as is familiarity with basic accounting principles. Affirm offers a competitive compensation package, including base pay, equity, and various benefits such as flexible spending wallets, wellness days, and learning & development programs. The role is remote-based in Poland, allowing for flexibility in work location.