Sr. Associate, Software Development Engineer in Test

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. If you are interested in exploring the possibilities,
We Want to Talk to You!

• 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 ongoing delivery of high quality apps.

• Bachelor's Degree or equivalent work experience:
  Computer Science, Software Engineering or equivalent field.
  
  - Required.
• 9+ Years Lead experience.
  
  - Required.
• 9+ Years Experience developing test strategies, test plans, and test cases.
  
  - Required.
• 9+ Years
  
  Experience with CI/CD methodologies and continuous integration systems.
  
  - Required.
• Create and execute test cases; prepare test setups.
• Conduct regression testing and log/report defects.
• Research/resolve basic production support cases.
• Engage with development for clarifications and issue resolution.
• Use AI tools for basic tests creation, documentation, and analysis.
• Programming or scripting experience (Java, Python, JS, C#, or similar).
• Automation tools/frameworks:
  Selenium, Cypress, Playwright, Appium, REST-Assured, JMeter, etc.
• Strong understanding of QA methodologies, testing lifecycle, and SDLC.
• Agile methodology, Dev Sec Ops  exposure along with CI/CD tools like Git Hub Actions, Azure Dev Ops, Jenkins, etc.
• SQL proficiency; ability to test web apps, APIs, and systems with minimal UI.
• Experience with JIRA/ALM/Xray or similar tools.
• Comfort using AI-powered testing tools, copilots, and analysis utilities.
• Strong analytical, communication, documentation, and problem-solving skills.
• Ability to manage workload, collaborate in Agile teams, effectively, and work independently.

• No Certifications listed for this job.

• Established work history or equivalent demonstrated through a combination…