Data Report QA + 100% REMOTE + B2B + English + ATTRACTIVE SALARY in Katowice

Hexaware Technologies

is a global technology and business process services company.

With 50 offices in 19 countries, we empower enterprises worldwide to realize digital transformation at scale and speed by partnering with them to build, transform, run and optimize their technology and business processes

Role Summary We are seeking an experienced

Data Report QA

specialist to join a large-scale banking and capital markets transformation program, delivered from our Nearshore center in Poland.

You will be the

quality gate for the program's reporting deliverables

— validating that Power BI reports are

complete, accurate, reconciled, and fit for business review . You will design and execute test scenarios covering

DAX measures, filters, visuals, data lineage, and parallel-run comparison evidence , ensuring every published report can be trusted by business users, auditors, and regulators.

This is a hands-on QA specialist role for someone who combines rigorous

data testing and reconciliation

skills with deep

Power BI and DAX validation

expertise, and who thrives on providing defensible evidence of report quality.

Experience Required : 8+ years

Key Responsibilities 1. Report Validation & Quality Assurance

Validate that reports are

complete, accurate, reconciled, and fit for business review

before release to stakeholders.

Develop and execute

test scenarios

for Power BI reports covering:

DAX measures

— calculation correctness, filter context behavior, time intelligence logic

Filters and slicers

— expected filtering behavior, cross-filtering, drill-through accuracy

Visuals

— data binding correctness, sorting, conditional formatting, totals and subtotals

Interactivity

— tooltips, bookmarks, navigation, and responsive layout behavior

Verify

row-level security

configurations and data access restrictions.

Validate report

performance characteristics

— load times, query efficiency, and rendering consistency.

2. Source-to-Report Reconciliation

Perform

source-to-report reconciliation : validating that figures displayed in reports tie back to source system data, certified datasets, and semantic models.

Conduct

independent recalculation

of key report figures using SQL queries, Excel analysis, or equivalent methods.

Perform

source-to-target data verification

across data pipelines — ensuring staging, transformation, and load steps preserve data integrity.

Identify, investigate, and document

variances and anomalies

between source data and report output.

Design and execute

parallel-run comparison evidence

— systematically comparing legacy report outputs with new Power BI reports to identify breaks, differences, and expected variances.

Document

variance rationale : distinguishing between expected rounding differences, methodology changes, genuine data breaks, and calculation errors.

Produce

comparison evidence packs

suitable for business review, UAT sign-off, and audit inspection.

4. DAX/KPI Validation

Validate

DAX measures

against business-defined calculation logic and specifications.

Verify

KPI definitions, thresholds, targets, and aggregation logic

against requirements documentation.

Test

edge cases and boundary conditions : zero values, nulls, negative values, date boundaries, currency conversions, and percentage calculations.

Collaborate with Proxy Product Owners and Business Analysts to resolve ambiguous calculation logic before report publication.

5. Data Lineage & Traceability Validation

Validate

data lineage

from source systems through certified datasets, semantic models, and final report visuals.

Ensure

requirements traceability : every report requirement is tested, every test maps to a requirement, and every defect is tracked to resolution.

Verify that

certified datasets

and semantic models used in reports are the approved, governed versions.

Support

UAT planning and execution : preparing test scenarios, test data, and environment readiness for business user testing.

Perform

defect triage : severity classification, root cause analysis support, assignment coordination, and re-test validation.

Base Location:

Poland (you must be based in and legally authorized to work in Poland).

Working Arrangement:

Full Remote

— no mandatory office presence. Occasional team meetups or client workshops may be arranged on a voluntary basis.

Contract Type:

B2B (Business-to-Business)

— you will operate as an independent contractor or through a B2B arrangement with a Polish entity.

Contract Duration:

6-9 months

(short-term engagement with extension possibility).

Client Time Zones:

Primarily CET/CEST alignment.

Equipment:

Company-provided laptop and home office setup allowance.