Jonathan Baartz
Jonathan Baartz

Quality Assurance Specialist

Open to offers · Member since 27 Jul 2026
Message
Location
Barcelona, Spain
Desired salary
Unspecified
Work preference
Hybrid / Full Time
Experience level
Mid

About

Professional summary

I am a Quality and Training Specialist with experience in customer support, technical troubleshooting, and quality assurance environments.

I have worked in roles focused on service quality, compliance, onboarding, and continuous improvement, where I supported both customers and internal teams.

My background includes technical support for international customers, issue investigation, documentation, escalation handling, and repair/replacement case tracking.

I am especially interested in Localization QA, Game Testing, and Game Design, and I am currently pursuing training in Game Design and Unity while preparing for ISTQB certification.

I am a native German and Spanish speaker with advanced English, and I also have basic Italian comprehension.

I bring strong attention to detail, a process-oriented mindset, and a passion for gaming, multimedia, and improving user experiences.

Skills

12 capabilities

Tech stack & tools

Working toolkit

Development

Experience

Career history

Technical Support Representative BOSE Corporation @Sellbytel

I investigated and diagnosed technical issues affecting wireless audio devices and home entertainment systems.

I reproduced, documented, and escalated product-related issues when required, while maintaining accurate case tracking and follow-up.

I provided technical support in German and English for international customers and ensured adherence to quality and service standards.

Tech Support Representative / Training & Quality Supervisor Dexcom @Majorel

I monitored service quality and compliance with internal procedures and quality standards.

I evaluated customer interactions, identified performance gaps, and provided actionable feedback to improve outcomes.

I also delivered onboarding and ongoing training, created documentation and knowledge resources, and collaborated with stakeholders to improve service quality and operational performance.

Collaborator and Editor Nintenderos.com

I worked as a collaborator and editor, contributing to content-related tasks in a gaming-focused environment.

This experience aligns with my interest in games, localization, and quality-focused work.

It also strengthened my familiarity with digital content workflows and editorial attention to detail.

Customer Service Representative ALDI & Can Do Company Support

I supported customers in service-oriented environments and handled day-to-day customer service responsibilities.

This work reinforced my communication skills, adaptability, and ability to manage different customer needs.

It also contributed to my broader background in support and quality-focused roles.

Sound Technician Fluge S.L. & Eventalia S.L.

I worked as a sound technician in event and production settings.

This role helped me develop technical discipline, problem-solving skills, and attention to operational detail.

It also added to my experience in multimedia and technical environments.

Waiter Various restaurants in Formentera, Barcelona and Tenerife

I worked in hospitality across multiple locations over an extended period.

This experience strengthened my customer service mindset, resilience, and ability to work in fast-paced environments.

It also helped me build strong interpersonal and teamwork skills.

Video Editor Europa FM and Freelance

I worked on video editing projects for media and freelance clients.

This experience developed my multimedia production skills and my ability to work with creative and technical requirements.

It also supported my broader interest in audiovisual editing and post-production.

Education

Learning history

Escola ESPAI, Barcelona

Course, Game Design and Development

500+ hours of training in Game Design and Development. The course is listed as in progress.

DEUSTO & Rey Juan Carlos University

Online Course, Game Design and Development with Unity

200 hours of online training in Game Design and Development with Unity. The course is listed as in progress.

IFCD57

Professional Certificate, Unity Game Development and Programming

325 hours of training in Unity Game Development and Programming.

IFP & Atresmedia

Professional Certificate, Interactive Multimedia Product Development

540 hours of training in Interactive Multimedia Product Development.

IFP & Atresmedia

Professional Certificate, Audiovisual Editing and Post-Production

510 hours of training in Audiovisual Editing and Post-Production.

CP Villar, Barcelona

Higher Technical Certificate, Sound Technician

2000 hours of technical training in Sound Technician studies.

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