Data Quality Control Engineer (Middle)

Job Description
ABOUT THE JOB
Perform data quality validation and verification across multiple data sources and platforms.
Develop and execute data validation rules, reconciliation checks, and quality control processes.
Investigate data discrepancies, identify root causes, and collaborate with cross-functional teams to resolve issues.
Validate data after ETL/ELT processes, data migration, or system integration activities.
Write complex SQL queries to analyze, compare, and reconcile datasets.
Monitor data quality metrics and prepare regular reports on data quality status.
Work closely with Data Engineers, Business Analysts, and business users to ensure data integrity.
Support testing activities for data-related projects, including UAT and production validation.
Continuously improve data quality processes and recommend automation where applicable.
Document data quality procedures, validation rules, and issue resolutions.
About You
Bachelor's degree in computer science, Information Technology, or related technical fields.
At least 2 years of experience in Data Quality, Data Validation, ETL Testing, Data Analysis, Database Testing, or related roles.
Strong proficiency in SQL, including joins, aggregations, subqueries, CTEs, and window functions.
Good understanding of ETL/ELT processes, data integration, and data lifecycle.
Experience validating large datasets and performing data reconciliation.
Familiarity with relational databases such as SQL Server, PostgreSQL, or MySQL.
Understanding of Data Warehouse concepts and dimensional data models.
Experience performing root cause analysis for data quality issues.
Strong analytical thinking and problem-solving skills.
Good communication skills and ability to collaborate with technical and business teams.
Ability to work independently while managing multiple priorities.
WHY AMARIS?
Competitive salary and 13th-month salary
14+ annual leaves per year
Premium healthcare insurance, starting from your probation period
Project reviews and yearly performance appraisals
Annual company trips
Teambuilding activities: Team lunch/dinner, events, and celebrations, sports clubs (football, yoga, badminton, etc.)
International team with flexible working time + hybrid working
Tailor-made career path
Technical workshops and training courses
Mobility: Opportunities to be on-site abroad in our offices in over 60+ countries
Equal Opportunity
Amaris Consulting is proud to be an equal opportunity workplace. We are committed to promoting diversity within the workforce and creating an inclusive working environment. For this purpose, we welcome applications from all qualified candidates regardless of gender, sexual orientation, race, ethnicity, beliefs, age, marital status, disability, or other characteristics.