Dreamix Ltd.
Data QA Engineer
Vaga remota de Data QA Engineer com fit claro de localização do candidato.
Publicada14 de jul. de 2026
Países elegíveis1 país aceito
Sinal de senioridadeSenior
Modelo de trabalhoRemoto
Locais aceitos para candidatos
Bulgária
Resumo da vaga
Data QA Engineer
Requisitos e responsabilidades
Conteúdo da vaga extraído em seções para revisão mais rápida.
Responsibilities:
- 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
Nice to have:
- Automation skills to write automated tests for pipelines using a language like Python
- Experience integrating automated tests into CI/CD pipelines (e.g. Azure DevOps)
What you’ll get:
- 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
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