ISTQB Certified Automation QA Engineer with experience in testing complex web, API, and data-driven systems. Focused on building reliable, maintainable, and scalable test automation solutions across modern technology stacks. I specialise in end-to-end UI and API automation using Playwright, Pytest, WebDriverIO, and CI/CD tools like Jenkins. Worked across multiple agile teams on diverse products—from enterprise data dashboards to fast-moving consumer platforms and internal data processing systems. As a Co-founder & QA Engineer of Ormaric, Bosnia's first second-hand clothing marketplace, I blended tech, testing, and operations to deliver real impact in an early-stage environment. 🤝 Highlights - Test automation in cross-functional teams (UI + API testing in CI/CD pipelines) - Refactored and migrated automation frameworks (e.g. WebDriverIO → Playwright) - Integrated visual testing with Applitools and improved regression cycles - Strong soft skills: ownership mindset, clear communication, proactive collaboration - Comfortable in agile, startup, and enterprise environments 📍 Flexible and open to remote, freelance, or hybrid opportunities focused on Automation QA roles where quality engineering and innovation are valued.

Nikola Klacar

ISTQB Certified Automation QA Engineer with experience in testing complex web, API, and data-driven systems. Focused on building reliable, maintainable, and scalable test automation solutions across modern technology stacks. I specialise in end-to-end UI and API automation using Playwright, Pytest, WebDriverIO, and CI/CD tools like Jenkins. Worked across multiple agile teams on diverse products—from enterprise data dashboards to fast-moving consumer platforms and internal data processing systems. As a Co-founder & QA Engineer of Ormaric, Bosnia's first second-hand clothing marketplace, I blended tech, testing, and operations to deliver real impact in an early-stage environment. 🤝 Highlights - Test automation in cross-functional teams (UI + API testing in CI/CD pipelines) - Refactored and migrated automation frameworks (e.g. WebDriverIO → Playwright) - Integrated visual testing with Applitools and improved regression cycles - Strong soft skills: ownership mindset, clear communication, proactive collaboration - Comfortable in agile, startup, and enterprise environments 📍 Flexible and open to remote, freelance, or hybrid opportunities focused on Automation QA roles where quality engineering and innovation are valued.

Available to hire

ISTQB Certified Automation QA Engineer with experience in testing complex web, API, and data-driven systems. Focused on building reliable, maintainable, and scalable test automation solutions across modern technology stacks. I specialise in end-to-end UI and API automation using Playwright, Pytest, WebDriverIO, and CI/CD tools like Jenkins.

Worked across multiple agile teams on diverse products—from enterprise data dashboards to fast-moving consumer platforms and internal data processing systems. As a Co-founder & QA Engineer of Ormaric, Bosnia’s first second-hand clothing marketplace, I blended tech, testing, and operations to deliver real impact in an early-stage environment.

🤝 Highlights

  • Test automation in cross-functional teams (UI + API testing in CI/CD pipelines)
  • Refactored and migrated automation frameworks (e.g. WebDriverIO → Playwright)
  • Integrated visual testing with Applitools and improved regression cycles
  • Strong soft skills: ownership mindset, clear communication, proactive collaboration
  • Comfortable in agile, startup, and enterprise environments

📍 Flexible and open to remote, freelance, or hybrid opportunities focused on Automation QA roles where quality engineering and innovation are valued.

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Experience Level

Language

Serbian
Fluent
English
Advanced
Italian
Beginner

Work Experience

Freelance QA Tester at Self-Employed (Remote)
January 1, 2021 - December 31, 2021
Manual testing (UI/API) for early-stage startups; created test plans, logged bugs, and collaborated with development teams in short delivery cycles.
Automation QA Engineer - Intern at Ormaric (Sarajevo, Bosnia and Herzegovina)
January 1, 2022 - December 31, 2022
Focused on automation testing: Ruby, Watir, RSpec, and Postman; validated end-to-end data flow from Kafka topics to UI and S3; tested Elasticsearch and Redshift.
Co-founder & Test Engineer at First pre-loved clothing marketplace in Bosnia and Herzegovina (BiH)
January 1, 2022 - December 31, 2024
Co-founded the marketplace and led QA strategy and execution for web and mobile platforms.

Education

Joint Master Programme in Open Innovation and Youth Entrepreneurship at University of Bari, Bari, Italy
January 1, 2015 - January 1, 2020
Agricultural Engineer (degree) at University of East Sarajevo, Bosnia and Herzegovina
January 11, 2030 - December 11, 2025
Professional Training Program in Manual and Automation Testing at IT Bootcamp, Belgrade, Serbia
January 1, 2020 - December 31, 2021

Qualifications

ISTQB Certified Tester Foundation Level
February 1, 2024 - December 11, 2025
ISTQB Advanced Level - Test Automation Engineer
October 1, 2025 - December 11, 2025

Industry Experience

Software & Internet, Professional Services

Experience Level

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