Darko Djordjevic

AI-first SDET

Serbia

About

I’m a QA and automation engineer passionate about delivering high-quality software through smart, data-driven testing solutions. As founder of CodeTest Industries, I help organizations implement scalable automation frameworks, CI/CD pipelines, and QA strategies that improve release confidence and reduce defects. I currently work full-time in QA while managing select client projects through my agency, providing automation frameworks, CI/CD pipelines, AI-driven testing solutions, and mentoring teams in modern QA practices. My expertise spans: Web and mobile automation (Cypress, Selenium, Playwright, Appium, Codeception) QA strategy & Agile methodologies Performance & load testing (K6, JMeter) CI/CD pipeline integration (Docker, GitHub Actions) AI & LLM-based testing, test evaluation, and automation validation Team mentoring & workflow optimization I enjoy exploring new tools, implementing AI-driven QA solutions, and mentoring teams to adopt modern QA practices. I’m always open to connecting with professionals who share an interest in software quality, automation engineering, and continuous improvement.

Experience

  • AI-First Senior QA Engineer at Proton.ai
    Sep 2025 - Present · 10 mos

  • Founder and SQAE at CodeTest Industries
    Jun 2018 - Present · 8 yrs 1 mo

    As founder and lead of CodeTest Industries, I provide end-to-end QA and automation solutions to clients across web, mobile, and enterprise software. My work focuses on building reliable, scalable, and efficient testing frameworks while mentoring teams and optimizing QA processes. Key Achievements: Designed and implemented automation frameworks with Cypress, Playwright, Selenium, Appium, and Codeception. Built CI/CD pipelines integrating automated tests to improve release confidence and efficiency. Consulted on AI-driven testing solutions, including LLM evaluations, AI-based test generation, and automation validation. Provided QA strategy, mentorship, and workflow optimization for multiple clients (client names confidential). Delivered hands-on consulting in exploratory testing, performance testing, and test automation architecture. Helped organizations adopt modern QA practices aligned with Agile methodologies. Tech Stack & Tools: Cypress · Selenium · Playwright · Appium · Codeception · K6 · JMeter · Docker · JavaScript · GitHub · ElasticSearch · AI / LLM evaluation · AI-driven testing frameworks · Generative AI tools

  • Senior QA Engineer | via CodeTest Industries at smartocto
    Nov 2020 - Jul 2025 · 4 yrs 9 mos

    Worked as a QA contractor through CodeTest Industries, delivering end-to-end testing and automation solutions for web, mobile, and desktop applications. Define, document, develop, and execute black-box testing. Includes the development and execution of test plans, test strategies, and test cases. Identify, analyze, and document defects, questionable functions and inconsistencies in software using JIRA. Recommend modifications and additions to software features. Usability testing Review product specification documents (user stories) and report possible issues or recommend modifications Develop automation tests Strong experience with exploratory testing Work closely with CDO with any issues regarding data security ▪ Perform manual testing of web, mobile & desktop application ▪ Serve as an in-house Data Protection Officer ▪ Enrolled in PECB Certified Data Protection Officer Enrolled in Harvard online Computer science at law Tools used: Cypress, Proxyman, TestFlight, REST, PostgreSQL, Jenkins, ElasticSearch, Kibana, Docker

  • QA Engineer at Content Insights
    Feb 2017 - Jun 2018 · 1 yr 5 mos

  • QA Engineer at Upwork
    Oct 2015 - Jan 2017 · 1 yr 4 mos