Data QA Analyst

Blend360

Data QA Analyst validating data accuracy and ensuring production readiness for AI services company. Involves SQL, Python, and data quality frameworks across 18 domains.

Posted 5/19/2026full-timeRemote • 🇺🇾 UruguayMid-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

Every day lunches! (headquarters): Vegetarian, vegan, gluten and sugar free options.
Gourmet meals every Friday with our on-site chef!
Flexible working options to help you strike the right balance.
All the equipment you need to harness your talent (Macbook and accessories).
Snacks and beverages available everyday (headquarters).
After office events, football, tennis and game nights (headquarters).
Everyone is welcome to join our football league every Wednesday's and Friday's.
Challenge your teammates to a pool game and win the office's trophy!
Tennis courts available for friendly matches.
Not a sports person? Don't worry, we also have chess championships, game and music nights for you to join!
Learning opportunities: AWS Certifications (we are AWS Partners).
Study plans, courses and other certifications.
English Lessons.
Learn from your teammates on our Tech Tuesdays!
Mentoring and Development opportunities to shape your career path.
Anniversary and birthday gifts.
Great location and even greater teammates!

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

SQLPythondata quality frameworksGreat Expectationsdata profilingtest automation strategiesreconciliation frameworksacceptance testingdata lineageregression testing

Soft Skills

communicationdocumentationanalytical thinkingproblem-solvingcollaboration