Data QA Engineer

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Dreamix

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤝 B2B

🏢 Enterprise

☁️ SaaS

B2B • Enterprise • SaaS

Dreamix is a bespoke software development company specializing in creating tailored software solutions for businesses across various industries. With over 18 years of experience, Dreamix excels in digital transformation, legacy system modernization, and API integrations, providing end-to-end product development services. Their expertise extends to industries such as aviation, fintech, healthcare, and ESG. Dreamix supports its clients with ongoing maintenance and managed services, ensuring robust, scalable, and secure software solutions. With a strong focus on AI & ML development, data science, and DevOps, Dreamix aims to empower organizations with innovative technology to streamline operations and improve efficiency. Their commitment to operational excellence is reflected in their successful collaborations with high-profile clients like Coca-Cola HBC, CERN, and CloudCar, among others.

📋 Description

• Validate end-to-end data pipelines from source systems to data marts • Test batch data loads • Validate transformations, aggregations, and derived metrics • Ensure data completeness, accuracy, and consistency across layers • Understanding of data governance, privacy, and PII handling • Write complex SQL queries to validate fact and dimension tables in Redshift • Validate data models (fact/dimension, keys, relationships) • Perform reconciliation between raw, curated, and reporting layers • Validate business KPIs and metrics against source systems and definitions • Validate data ingestion in S3 (file counts, schema, partitions, formats) • Review Glue Job and Lambda execution logs to troubleshoot data issues • Monitor pipeline health, failures, and data refresh SLAs

🎯 Requirements

• Strong SQL skills (joins, aggregations) • Hands-on experience testing data pipelines, ETL, or data warehouses • Experience with AWS services: S3, Glue, Lambda, Step Functions, Redshift, Athena, CloudWatch • Experience validating structured and semi-structured data (Parquet, JSON, CSV) • Solid understanding of data warehousing concepts and dimensional modelling • 5+ years’ experience in software quality assurance with a strong focus on manual testing • Proven experience testing complex web and/or mobile applications • Familiarity with browser developer tools for debugging network, console, and UI issues • Strong understanding of QA methodologies, SDLC, and Agile/Scrum • Excellent test design, defect management, and reporting skills • Experience with Jira, TestRail, or similar tools

🏖️ Benefits

• A warm and supportive work environment where you can reach your full potential • Flexible working hours that allow you to balance your work and personal life • Unlimited home office to help you stay productive and focused • Opportunities for professional development, including certifications and training • Additional benefits for academic teaching and speaking engagements • Knowledge-sharing sessions where you can learn from our Dreamix team • Team and company-wide events that bring us together • Amazing week long summer office and winter office initiatives • Additional health insurance and dental allowance to ensure your well-being • Multisport card to encourage a healthy and active lifestyle • Office massages to help you relax and unwind