Sr. Associate, Application Development

Overview

It Starts Here 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. Country:
United States of America

• This is a Hybrid role in Dallas, TX or Boston, MA
• The Sr. Associate, Application Development serves as a senior level developer and/or project manager for multiple application initiatives.
• Analyzes, designs, develops and maintains software applications to support business units.
• Controls and/or provides solutions to single and/or multiple organizations, with minimal management guidance.
• Provides advanced technical expertise in analyzing, designing, estimating, and developing software applications to project schedule.
• 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.

• Serves as a hands‑on technical leader, actively contributing to application architecture, software design, code reviews, and complex development initiatives while providing day‑to‑day leadership, coaching, and direction to the development team.
• Programs in operating systems and programming languages such as ABAP, Java, and Java EE (if applicable).
• 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.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Bachelor’s Degree in a related field or equivalent demonstrated through a combination of work experience, training, military service, or education – required.

• 9+ years of Information Technology, Technical Application Development, or similar experience – required.
• Expert‑level experience developing production applications using modern Python (Python 3.13+ preferred).
• Strong experience with modern Python development tooling including Astral uv, Pydantic, pytest for automated testing, mypy, ty, and ruff.
• Strong experience designing and developing solutions utilizing Microsoft SQL Server 2019+.
• Experience developing and optimizing data solutions within Snowflake.
• Strong communication and presentation skills, as well as proven management skills.
• Ability to continually assess and evaluate the impact of emerging technologies against the strategic business needs and interpret business value for the leadership team in a consultative capacity.
• Provides strong leadership to various team members through mentoring, career development, interpersonal skills, teamwork ethic, and enabling leadership skills.
• Proven understanding of Computer Science fundamentals including web development, service‑oriented architecture, cloud computing, test‑driven development and domain‑driven design.
• Strong services‑oriented architecture experience.
• Ability to lead multiple sub‑teams through example and persuasion.
• Ability to manage multiple projects simultaneously.
• Ability to develop and maintain applicable industry knowledge and best…