Senior Data Quality Engineer

About the role

We are looking for a Senior Data Quality Engineer to support three engineering streams – Data Product Engineering Framework, Polarmesh Portal, and Platform Engineering Team – within a modern Azure‑based ecosystem. You will work closely with Data Engineers, Platform Engineers and DevOps to design, build and maintain automated testing solutions for data pipelines, APIs and platform components.

Key responsibilities

• Design and build automated testing solutions for data pipelines, APIs and platform components.
• Maintain and enhance test automation frameworks in an Azure environment.
• Validate data quality, transformations and pipeline outputs using SQL and/or Python.
• Collaborate with Data Engineers, Platform Engineers and DevOps on testing strategy.
• Integrate automated tests into CI/CD pipelines.
• Monitor, log and troubleshoot pipeline failures.
• Support maintenance and optimisation of ETL/ELT processes and data pipelines.
• Contribute to testing efforts across the three engineering streams.

Required profile

• 5+ years of experience as a QA Engineer or Test Automation Engineer in data engineering or data platform environments.
• Strong hands‑on experience with Azure cloud services.
• Experience working with Azure Databricks, Spark/PySpark or similar big‑data platforms.
• Solid understanding of data pipelines, ETL/ELT processes and their maintenance.
• Proficiency in testing data quality and transformations using SQL and/or Python.
• Experience with CI/CD pipelines, preferably Azure DevOps or GitHub Actions.
• Familiarity with version control systems such as GitHub.

Required skills

• Azure cloud services
• Azure Databricks
• Spark / PySpark
• SQL
• Python
• CI/CD pipelines (Azure DevOps, GitHub Actions)
• GitHub (version control)
• Monitoring and logging of data pipelines
• Delta Lake (nice to have)
• Azure Data Factory, ADLS, Synapse, Event Hub (nice to have)
• Infrastructure as code tools (Terraform, ARM/Bicep)
• Docker, Kubernetes (basic understanding)
• Agile/Scrum methodology

What we offer

• Opportunity to work remotely in Kazakhstan with access to offices in Astana, Almaty or Karaganda.
• Flexible work environment – vibrant office or home office.
• Possibility to work abroad for up to two months per year.
• Relocation opportunities across 55+ countries.
• Corporate and social events.
• Leadership development, career advising, soft‑skills and well‑being programs.
• Certifications in GCP, Azure and AWS.
• Unlimited access to internal learning resources and free English classes.