Data QA Analyst

Blend360

Data QA Analyst at Blend validating data accuracy and building reconciliation frameworks. Collaborating with engineering teams across 18 data domains for production readiness and regulatory compliance.

Posted 5/19/2026full-timeRemote • 🇨🇱 ChileMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Validate data accuracy and ensure production readiness by working closely with the Data Engineering Manager and Analytics Engineering Lead across 18 data domains.
Design and build a reconciliation framework to systematically compare legacy pipeline outputs against new pipeline outputs, identifying discrepancies and gaps.
Execute structured acceptance testing for each pipeline prior to promotion to production environments.
Validate identity resolution accuracy through rigorous analysis of match rates, false positives, and false negatives.
Document end-to-end data lineage across all 18 domains to support auditability, transparency, and regulatory compliance.
Build and maintain automated regression test suites to enable continuous quality assurance as pipelines evolve.

Requirements

What you’ll need

Expert-level SQL skills, with demonstrated ability to write complex queries for data validation, profiling, and reconciliation at scale.
Experience with data quality frameworks, with preference given to candidates with hands-on Great Expectations expertise.
Proficiency in Python for scripting automated tests, data profiling tasks, and quality checks.
Strong background in data profiling techniques, including distribution analysis, completeness checks, and anomaly detection.
Experience designing and executing test automation strategies in data or analytics engineering contexts.
Ability to clearly document findings and communicate data quality issues to both technical and non-technical stakeholders.
3+ years of experience in Data Quality, QA, or Data Analysis roles, with proven ability to build reconciliation frameworks and execute end-to-end acceptance testing across complex data pipelines.
English: Advanced (required for effective communication with global teams).

Benefits

Comp & perks

📚 Learning Opportunities: Certifications in AWS (we are AWS Partners), Databricks, and Snowflake.
Access to AI learning paths to stay up to date with the latest technologies.
Study plans, courses, and additional certifications tailored to your role.
Access to Udemy Business, offering thousands of courses to boost your technical and soft skills.
English lessons to support your professional communication.
👨🏽‍💻 Travel opportunities to attend industry conferences and meet clients.
👩‍🏫 Mentoring and Development: Career development plans and mentorship programs to help shape your path.
🎁 Celebrations & Support: Special day rewards to celebrate birthdays, work anniversaries, and other personal milestones.
Company-provided equipment.
⚖️ Flexible working options to help you strike the right balance.
Other benefits may vary according to your location in LATAM.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

SQLPythondata quality frameworksGreat Expectationsdata profilingtest automation strategiesreconciliation frameworksacceptance testingdata lineageregression testing

Soft Skills

communicationdocumentationanalytical thinkingproblem-solvingcollaboration