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Tomas Duca

@tomasduca

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I build proactive UI and API test automation for reliable web systems.

Argentina

Message

What I'm looking for

I'm looking to build proactive quality engineering through Spec-Driven Development, AI-assisted testing, and scalable UI/API automation, collaborating in Agile teams on reliable business-critical systems.

At RAONA, I build end-to-end UI and API automation suites with Playwright and Python, cutting regression testing time by 40% and improving test reliability.

I've shifted testing toward Spec-Driven Development and AI-assisted workflows, creating custom testing bots and validation agents that clarify requirements and validate contracts early.

Across RAONA, INNOVO TECNOLOGÍAS, and Globant, I've designed test cases, automated regression coverage, validated REST APIs and SQL data, and helped reduce post-release defects by 20–30%.

My healthcare IT background includes supporting PACS/RIS systems, validating DICOM integrations, configuring virtualized environments, and working with clinical and technical teams to keep medical imaging workflows reliable.

Experience

Work history, roles, and key accomplishments

Current

Quality Assurance Engineer

Current

Raona

Jul 2022 - Present (4 years 2 months)

Adopted Spec-Driven Development and AI-assisted workflows, implementing custom testing bots and validation agents. Designed and developed end-to-end UI and API test automation suites using Playwright and Python, reducing regression testing time by 40%.

Playwright Python Cucumber Postman Swagger Azure DevOps Jira AI Agents Custom Bots Spec Driven Development BDD UI Testing API Testing SQL Git

QA Engineer

Innovo Tecnologías

Feb 2019 - May 2022 (3 years 3 months)

Designed test cases based on user stories in Agile sprints, documenting plans and results. Collaborated with developers to triage and resolve 100+ defects via Azure DevOps, improving product quality and release stability.

Agile Azure DevOps SQL MSSQL Test Case Design Defect Tracking

Healthcare IT Engineer

GE Healthcare Argentina S.A.

Dec 2013 - Dec 2018 (5 years)

Supported quality assurance for PACS/RIS systems by validating DICOM integrations and documenting test results. Performed SQL database administration and cross-platform configuration to support healthcare applications.

DICOM PACS RIS SQL VMware ESXi Windows Linux Agile

Healthcare IT Specialist

GEMED S.R.L.

Sep 2012 - Dec 2013 (1 year 3 months)

Assisted in QA for PACS/RIS deployments, documenting test cases and validating DICOM integrations. Provided L1/L2 support and configured DICOM protocols to enhance imaging system performance.

DICOM PACS RIS QA L1 L2 Support Agile

Software Developer

Innovo Tecnologías

Mar 2011 - Sep 2012 (1 year 6 months)

Developed web applications using C# and PostgreSQL, collaborating with QA teams to validate functionality. Wrote SQL queries to support data-driven features, building foundational skills in backend testing.

C#PostgreSQL SQL Web Development QA Collaboration

QA Analyst

Globant

Feb 2009 - Feb 2011 (2 years)

Executed test cases for web applications in Agile environments, documenting results and ensuring early defect detection. Collaborated with developers to resolve issues via DevTrack, maintaining high test coverage and quality.

Agile Test Execution Defect Tracking DevTrack Web Applications