Santander is a global leader and innovator in the financial services industry and is evolving from a high-impact brand into a technology-driven organization. Our people are at the heart of this journey and together, we are driving a customer-centric transformation that values bold thinking, innovation, and the courage to challenge what’s possible. This is more than a strategic shift. It’s a chance for driven professionals to grow, learn, and make a real difference. If you are interested in exploring the possibilities We Want to Talk to You! The Difference You Make: The Senior Software Engineer serves as a senior level developer and/or project manager for multiple application initiatives. Analyzes, designs, develops and maintains software applications to support securities eTrading business. Develops, supports and delivers solutions initially for US Rates (US Treasuries) desk and as time allows for other securities desks. Candidate will work directly with the desk needing minimal management supervision in delivery. Provides advanced technical expertise in analyzing, designing, estimating, and developing software applications to project schedule. Assists in internal model modeling reporting and with governance of the overall solution. Oversees systems design and implementation of most complex design components. Creates project plans and deliverables and monitors task deadlines. The incumbent oversees, maintains and supports existing software applications and provides subject matter expertise in reviewing, analyzing, and resolving complex issues. Capable in developing and supporting C++ and Java applications Establishes infrastructure standards and requirements. Evaluates, directs and supports Application system enhancements and performs quality assurance functions. Provides highest degree of technical engineering and support to the team. Researches and implements solutions for Application functionality in the areas of performance monitoring and tuning and systems configuration, design and implementation. Contributes to the design and delivery of complex projects to achieve key business objectives. Leads efforts to ensure the workplace environment supports a highly motivated and effective workforce focused on continuous improvement and best practices.