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I'm an IT student and skilled technician with over four years of self-employment in hardware diagnostics, system optimization, and technical support. I've tackled challenges from circuit-board repairs to mechanical engine diagnostics, and I enjoy turning complex problems into clear, actionable solutions. I'm a fast and versatile learner with strengths in advanced computing, cybersecurity, and even automotive maintenance. I'm open to opportunities in IT support, data annotation, content moderation, QA testing, and prompt engineering, and I thrive when collaborating with others to deliver reliable, secure technology solutions.…I'm an IT student and skilled technician with over four years of self-employment in hardware diagnostics, system optimization, and technical support. I've tackled challenges from circuit-board repairs to mechanical engine diagnostics, and I enjoy turning complex problems into clear, actionable solutions. I'm a fast and versatile learner with strengths in advanced computing, cybersecurity, and even automotive maintenance. I'm open to opportunities in IT support, data annotation, content moderation, QA testing, and prompt engineering, and I thrive when collaborating with others to deliver reliable, secure technology solutions.

Petar Markovic

QA Engineer, Web Developer, Data Annotator, +3

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I'm an IT student and skilled technician with over four years of self-employment in hardware diagnostics, system optimization, and technical support. I've tackled challenges from circuit-board repairs to mechanical engine diagnostics, and I enjoy turning complex problems into clear, actionable solutions. I'm a fast and versatile learner with strengths in advanced computing, cybersecurity, and even automotive maintenance. I'm open to opportunities in IT support, data annotation, content moderation, QA testing, and prompt engineering, and I thrive when collaborating with others to deliver reliable, secure technology solutions.…I'm an IT student and skilled technician with over four years of self-employment in hardware diagnostics, system optimization, and technical support. I've tackled challenges from circuit-board repairs to mechanical engine diagnostics, and I enjoy turning complex problems into clear, actionable solutions. I'm a fast and versatile learner with strengths in advanced computing, cybersecurity, and even automotive maintenance. I'm open to opportunities in IT support, data annotation, content moderation, QA testing, and prompt engineering, and I thrive when collaborating with others to deliver reliable, secure technology solutions.

Available to hire

I’m an IT student and skilled technician with over four years of self-employment in hardware diagnostics, system optimization, and technical support. I’ve tackled challenges from circuit-board repairs to mechanical engine diagnostics, and I enjoy turning complex problems into clear, actionable solutions.

I’m a fast and versatile learner with strengths in advanced computing, cybersecurity, and even automotive maintenance. I’m open to opportunities in IT support, data annotation, content moderation, QA testing, and prompt engineering, and I thrive when collaborating with others to deliver reliable, secure technology solutions.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Serbian

Fluent

Work Experience

Freelance Computer Technician at Self-Employed, Arandjelovac, Serbia

January 1, 2020 - Present

Diagnosed and repaired hardware/software issues for personal and client computers, resolving system crashes, viruses, and boot failures. Performed system optimization, including GPU/CPU tuning and benchmarking, monitored temperatures and voltage stability. Provided remote and on-site support via WhatsApp, Discord, and Viber, explaining repairs clearly. Secured client systems by removing malware, updating firmware/BIOS, and educating users on cybersecurity best practices.