Sr. Associate, Software Development Engineer in Test

Sr. Associate, Software Development Engineer in TestCountry : United States of America

Your Journey Starts Here :

Santander is a global leader and innovator in the financial services industry. We believe that our employees are our greatest asset. Our focus is on fostering an enriching journey that empowers you to explore diverse career opportunities while nurturing your personal growth. We are committed to creating an environment where continuous learning and development are prioritized, enabling you to thrive both professionally and personally. Here, you will find ample opportunities to connect and collaborate with talented colleagues from around the world, sharing insights and driving innovation together. Join us at Santander, where you are supported by a culture of engagement and a commitment to your success.

An exciting journey awaits, if you are interested in exploring the possibilities We Want to Talk to You!

The Difference You Make :

This is a hybrid role located in the Coconut Grove area of Miami

The Software Development Engineer in Test (SDET) is responsible for ensuring the quality, reliability, and performance of applications through automation, technical testing, and deep collaboration with engineering teams. SDETs combine software development skills with quality engineering practices to design, build, and maintain automated test frameworks, tools, and test suites across UI, API, backend, and integrated systems for high availability, secure, regulated financial platforms. They participate throughout the SDLC — from design to deployment — to ensure testability, accelerate releases, and drive an automation-first quality culture.

• Analyze requirements to design test plans, test cases, and test acceptance criteria.
• Perform and support wide range of functional and non-functional testing types including automated functional and feature testing, regression, integration, system, compatibility, API, and performance tests.
• Develop and maintain automated test scripts and reusable frameworks, tools, utilities (UI / API / backend / mobile)
• Integrate automation into CI / CD pipelines and support continuous testing (Shift left / right)
• Identify, log, and report defects; support root-cause analysis; perform manual tests when needed to cover critical paths or exploratory tests.
• Write SQL queries for backend, data flow and APIs validation.
• Collaborate with developers, product, architecture, vendors, and engineering teams to ensure testability.
• Support test environment setup, automated test data creation, and test-to-production migration.
• Prepare test documentation, metrics, and quality reports.
• Apply QA methodologies, best practices, shift left / right, risk-based testing, standards and automation maturity.
• Use AI / LLM tools for test case generation, automation, impact analysis, optimization, classification, and documentation
• Develop deep understanding of supported business processes and related applications.
• Perform additional duties as needed to support on going delivery of high quality apps.

What You Bring :

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and / or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Certifications :

It Would Be Nice For You To Have :

What Else You Need To Know :

The base pay range for this position is posted below and represents the annualized salary range. For hourly positions (non-exempt), the annual range is based on a -hour work week. The exact compensation may vary based on skills, experience, training, licensure and certifications and location.

Base Pay Range

Minimum : $,. USD

Maximum : $,. USD

Link to Santander Benefits :

Risk Culture :

We embrace a strong risk culture and all of our professionals at all levels are expected to take a proactive and responsible approach toward risk management.

EEO Statement :

At Santander, we value and respect differences in our workforce. We actively encourage everyone to apply. Santander is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, genetics, disability, age, veteran status or any other characteristic protected by law.

Working Conditions :

Frequent minimal physical effort such as sitting, standing and walking is required for this role. Depending on location, occasional moving and lifting light equipment and / or furniture may be required.

Employer Rights :

This job description does not list all of the job duties of the job. You may be asked by your supervisors or managers to perform other duties. You may be evaluated in part based upon your performance of the tasks listed in this job description. The employer has the right to revise this job description at any time. This job description is not a contract for employment and either you or the employer may terminate your employment at any time for any reason.

What To Do Next :