Independent QA & BA Consultant

Specialized QA Testing and Business Analysis

Specialized QA testing and Business Analysis services for small and medium-sized businesses, helping you launch faster, reduce risk, and build higher-quality products.

Contact us

Ready to Improve Your Product Quality?

Whether you need a full QA setup or targeted testing support, Cross Check handles everything independently — with clear communication and accountable delivery from day one.

Contact Cross Check
Why Choose Cross Check

What Sets Cross Check Apart

One senior consultant. Full QA ownership. Here is what you get when you bring Cross Check onto your team.

Manual and AI Testing Approach

Manual and AI Testing Approach

Combining thorough manual testing with a thoughtful AI-supported testing approach helps teams validate critical scenarios more efficiently and deliver faster with confidence.

Senior Quality Ownership

Senior Quality Ownership

Cross Check does more than run tests — it takes real ownership of product quality, protecting your app with experience, care, and full accountability.

Better Understanding Requirements

Better Understanding Requirements

Help teams build a better understanding of product requirements, user needs, and delivery priorities, creating a stronger foundation for better decisions and higher product quality.

One Consultant, Full QA Responsibility
01 / About Cross Check

One Consultant, Full QA Responsibility

Cross Check is an independent QA and Business Analysis consultancy based in Zagreb. Working solo means no handoffs, no gaps — just direct, accountable ownership of your product quality from discovery to release.

Learn More
QA and BA Services Tailored to You
02 / Services

QA and BA Services Tailored to You

Cross Check covers manual testing, test strategy planning, bug reporting, exploratory sessions, QA leadership, and requirements clarification through Business Analysis — all handled by one experienced consultant, end to end.

View All Services
Selected Work

Projects I Have Worked On

Web / iOS / Android

Healthcare Platform App

Performed manual testing for a Germany-based healthcare platform with 500k+ downloads, while creating and maintaining test cases, validating releases, and strengthening QA workflows.

Web / iOS / Android

Boost Employee Engagement App

A workplace social network that helps companies connect employees through a mobile intranet-style and engagement-focused app.

Government / Fina

Government App for e-Stamp

Contributed to government-related projects, including the integration of e-stamp functionality into the application in cooperation with Fina.

Tablet / Medical

Body Scanning for Compression Garments

Worked on a tablet-based body scanning solution designed for the German market, helping doctors take accurate body measurements for compression garment fitting and assessment.

Automotive / Insurance

Vehicle Damage Reporting App

Worked on an automotive app that allows users to capture vehicle damage, upload photos, and submit insurance claims in a simple and efficient way.

Testimonials

What Colleagues Say

Lucija takes real ownership of quality. She brings structure to QA, communicates findings clearly, and you always know exactly what has been tested and what is ready to ship.

Recommendation via LinkedInFormer colleague & project lead

Combining QA and Business Analysis in one person made a real difference — requirements were clearer, edge cases were caught early, and releases felt far more controlled.

Recommendation via LinkedInProduct team member

Read all recommendations on my LinkedIn profile.