Senior QA Testing Specialist -Data Engineer

Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years in QA testing or related Data Engineering roles.
  • Expertise in Advanced SQL for large-scale data validation.
  • 6+ years in test management strategy, preferably in financial services.
  • 3+ years in process flow, business logic, and UI design solutions.
  • Strong experience with Azure data ecosystem and Databricks.
  • Experience in building data test automation frameworks and CI/CD integration.
  • Strong command of Python, especially using PySpark and Pandas.

Responsibilities

  • Perform end-to-end data validation and completeness checks.
  • Ensure data quality standards are met before production releases.
  • Participate in requirements analysis and solution design reviews.
  • Define test scope, strategies, and risk-based coverage.
  • Design and execute test cases for complex ETL pipelines.
  • Write and execute advanced SQL queries for data validation.
  • Log, track, and manage defects in JIRA with thorough documentation.

Benefits

  • Hybrid work model allowing both remote and office work.
  • Opportunity to collaborate in global teams.
  • Professional development and growth opportunities.
  • Chance to work on large-scale data platforms.
Full Job Description


Role Description

The Senior QA Testing Specialist- Data Engineer is responsible for ensuring the accuracy, reliability, and integrity of enterprise data platforms built on Databricks. This role combines strong data engineering knowledge with deep quality assurance expertise, focusing on validating complex ETL pipelines, data transformations, and large-scale datasets.

The position plays a critical role in enabling data-driven decision-making by ensuring that analytical and financial data is complete, accurate, and production-ready before release. The role partners closely with Data Engineers, Business Analysts, Product Owners, and Project Managers across globally distributed teams.

Role Objectives

Data Quality & Validation:
  • Perform end-to-end data validation, including source-to-target mapping, reconciliation, and completeness checks. Validate data transformations across Databricks Medallion Architecture (Bronze, Silver, Gold).
  • Ensure data quality standards are met prior to production releases.

Test Strategy & Execution:
  • Participate in requirements analysis and solution design reviews.
  • Define test scope, scenarios, risk-based coverage, and overall test strategies.
  • Design and execute test cases for complex ETL pipelines and Perform regression testing and manage test data conditions.


Data Validation & Automation:
  • Write and execute advanced SQL queries (CTEs, window functions, complex joins).
  • Develop Python validation scripts using PySpark and Pandas to support and enhance data test automation efforts where applicable.
  • Monitor Databricks jobs and workflow executions. Investigate pipeline failures, data inconsistencies, and quality issues. Analyze defects both functionally and technically prior to assignment.

Defect Management & Collaboration:
  • Log, track, and manage defects using JIRA, ensuring high-quality defect documentation.
  • Collaborate closely with Data Engineers, Architects, and Business teams to resolve issues.
  • Provide clear and timely communication on quality risks, test progress, and release readiness and Escalate issues through defined governance and quality escalation channels.


Qualifications and Skills

  • 8+ years of experience in Quality Assurance testing or relevant Data Engineering development roles.
  • Demonstrated expertise in Advanced SQL, including CTEs, window functions, and complex joins, for large-scale data validation.
  • 6+ years of experience in test management strategy; experience in the securities or financial services industry
  • 3+ years of experience in designing solutions in process flow, business logic and UI.
  • Strong experience within the Azure data ecosystem, with hands-on expertise in Databricks notebooks and cluster management.
  • Experience building or supporting data test automation frameworks, with exposure to CI/CD pipelines and Git-based version control.
  • Hands-on manual and automated test development and design experience leading medium to large scales or enterprise-wide projects and production implementations.
  • Strong command of Python, particularly PySpark and Pandas, for comprehensive data validation and analysis.
  • Thorough understanding of ETL processes, data pipelines, and data warehouse architecture, with proven experience in ETL/Data Warehouse testing, including end source-to-target validation.
  • Prior experience working directly with business users and finance stakeholders, including exposure to Oracle or similar enterprise financial platforms.
  • Strong analytical, critical-thinking, and problem-solving skills.
  • Excellent written and verbal communication skills, with the ability to articulate technical concepts clearly.
  • Ability to work independently while collaborating effectively across distributed and global teams.


Measures of Success
  • High level of confidence in production data quality, reflected by reduced defect leakage post-release.
  • Strong and consistent test coverage across complex, multi-layer data platforms.
  • Effective collaboration with engineering, product, and business teams throughout the delivery lifecycle.
  • Proactive identification and mitigation of data quality risks and issues.
  • Consistent, on-time delivery of test outcomes without compromising quality standards.

SMBC's employees participate in a Hybrid workforce model that provides employees with an opportunity to work from home, as well as, from an SMBC office. SMBC requires that employees live within a reasonable commuting distance of their office location. Prospective candidates will learn more about their specific hybrid work schedule during their interview process. Hybrid work may not be permitted for certain roles, including, for example, certain FINRA-registered roles for which in-office attendance for the entire workweek is required.

About Sumitomo Mitsui Financial Group, Inc.

Sumitomo Mitsui Financial Group, Inc. Careers

There has never been a more opportune time to join the dynamic team at Sumitomo Mitsui Financial Group, Inc. (SMFG)—a leading force in the financial services industry recognized for its leadership in innovation and diversity.

Explore Job Opportunities

Sumitomo Mitsui Financial Group, Inc. offers a plethora of job opportunities that cater to a variety of skills and interests. The company is renowned for its commitment to professional growth and leadership development, making it an ideal environment for ambitious individuals looking to advance their careers.

Experience Professional Growth

At SMFG, career advancement is not just a possibility but a priority. The company supports its team members with extensive training programs, including leadership development and diversity training, ensuring that every employee has the tools and knowledge necessary to succeed.

Join a Diverse and Inclusive Team

Diversity and inclusion are at the core of the company culture at Sumitomo Mitsui Financial Group, Inc. With a global team that values unique perspectives and fosters a collaborative and inclusive environment, SMFG is a place where everyone can thrive.

Internship Programs

For those starting their career journey, SMFG offers internship programs that provide a robust foundation in the financial sector. Interns gain invaluable experience, working alongside seasoned professionals and engaging in projects that offer real-world applications of their studies.

Benefits and Culture

Sumitomo Mitsui Financial Group, Inc. is dedicated to not only attracting but also retaining top talent by offering competitive benefits that enhance both personal and professional life. The company culture promotes work-life balance, employee well-being, and continuous learning.

Innovative Work Environment

Innovation is a key driver of SMFG’s success. Employees are encouraged to bring forward-thinking ideas to the table and are provided with the resources to transform these ideas into actionable solutions that drive the financial industry forward.

Networking and Career Development

Networking opportunities within SMFG are abundant. Employees are encouraged to connect with colleagues and industry leaders through various platforms and events, enhancing their professional network and opening doors to myriad career opportunities.

Apply for a Position

Sumitomo Mitsui Financial Group, Inc. is actively hiring and looking for talented individuals who are passionate, curious, and driven. Explore open positions that match your skills and interests on the SMFG careers page.

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Prepare for Your Interview

Aspiring to join SMFG? Prepare your resume to reflect your best self and gear up for the interview process where you can showcase your skills and passion for finance and innovation.

Career Opportunities Await

At Sumitomo Mitsui Financial Group, Inc., the potential for professional development and personal growth is limitless. Discover the exciting and rewarding career opportunities that await at SMFG, where every position contributes to the company’s global success and leadership in the financial industry.
Learn more about Sumitomo Mitsui Financial Group, Inc.

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