QA & Automation Testing Specialist with 25+ Years Experience

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Zarko Novicic

QA Engineer Automation & Performance Testing Specialist

linkedin.com/in/zarko-novicic

Professional Summary

Detail-oriented and versatile QA professional with 25+ years of combined experience in software quality assurance, automation, performance testing, and telecommunications. Hands-on expertise in manual and automated testing (Selenium, Cypress, Playwright, Python), performance benchmarking (resperf, dnsperf), and DDI/network technologies (DNS, DHCP, IPAM, TCP/UDP, routing). Proven track record of leading QA teams, building test automation frameworks, and ensuring reliability in Agile/Scrum environments. Recognized for technical writing, research publications, and driving continuous improvement in testing practices. Core Competencies

• QA Manual & Automation Testing (Web, Mobile, API, Databases)

• Selenium (Python), Playwright (TypeScript), Cypress (JavaScript)

• Performance Testing: resperf, dnsperf, dnsdist

• DDI Technologies: DNS, DHCP, IPAM, Namespaces, GSLB

• API & Database Testing: Python, Bash, Playwright, PostgreSQL

• CI/CD: GitHub, GitLab, Bitbucket, Jenkins

• Network Fundamentals: IPv4, OSI, routing & switching, RF systems

• DevOps Tools: Docker, Kubernetes, AWS, Azure, Ansible, Nginx

• Monitoring/Logging: Grafana, Splunk, Wireshark, Crashlytics

• Databases: PostgreSQL, Timescale, Redshift, SQLite

• Collaboration: Jira (Xray), Confluence, Agile/Scrum

• Technical Writing & Team Leadership

Professional Experience

BlueCat Networks – Software Quality Assurance Analyst Dec 2024 – Present

• Lead QA automation initiatives for DNS and DDI products. *****.*******@*****.***

• Developed performance test automation using Playwright (TypeScript) and resperf & DNSDist.

• Built scripts for cache management, traffic generation, and system health checks.

• Collaborated with cross-functional Agile teams to enhance test coverage and efficiency. Aspire Technology – Senior QA Engineer

Jun 2023 – Dec 2024

• Designed and executed test strategies for telecom/OSS platforms.

• Built regression test frameworks with Selenium (Python) and Cypress (JavaScript).

• Conducted exploratory testing, bug management in Jira, and authored Confluence documentation.

Endeavour Technology – Senior QA Engineer

Jun 2022 – Jun 2023

• Automated QA flows for mobile analytics platforms.

• Performed performance and API testing in multi-environment setups.

• Implemented monitoring dashboards in Grafana and Splunk for QA metrics. Polus Tech – QA Lead

May 2021 – Jun 2022

• Defined QA team processes and mentored junior testers.

• Oversaw release readiness and automation strategy.

• Coordinated Agile test planning and defect resolution with developers. Government of Serbia – Radio System Manager

Jul 2004 – Apr 2021

• Managed radio communication software and hardware systems.

• Designed system upgrades, performed site acceptance testing, and ensured compliance.

• Oversaw security and reliability of mission-critical telecom networks. *****.*******@*****.***

Government of Serbia – Telecommunications System Administrator Oct 1997 – Jun 2004

• Maintained radio systems in compliance with technical parameters and frequencies.

• Conducted testing, troubleshooting, and user/operator training. Education

Magisterium in Telecommunications (MSc)

[Belgrade University], 2003 – 2006

Licenses & Certifications

1. Introduction to Kubernetes – Linux Foundation, Aug 2025 (ID: LF-vlyw8m1g67) 2. Automated Software Testing with Cypress – Udemy, Oct 2022 3. JavaScript Course – Codecademy, Jan 2022

4. ISTQB Certified Tester – Foundation Level – ISTQB, Nov 2021 (ID: 21-CTFL-3401- SEETB)

5. Intermediate Python – DataCamp, May 2020

6. Risks in Laboratories – ISO/IEC 17025:2017 – Institute for Standardization of Serbia, Dec 2019

7. Introduction to IT & Cybersecurity – Cybrary, Aug 2019 8. Python 3 Tutorial Course – SoloLearn, Aug 2019

9. Internal Verifier – ISO/IEC 17025:2017 – IBI, Nov 2018 10. Introduction to Programming with Python – Alison, Oct 2018 11. Intro to Python for Data Science – DataCamp, Oct 2018 12. Internal Quality Control – ISO/IEC 17025:2017 – IBI, Sep 2018 13. Radio Frequency Spectrum Management – NATO CIS School, Sep 2017 14. Project Cycle Management – LFA – OSCE, May 2017 15. VHF & HF Radio System Management – Thales France, Oct 2009 16. TETRA DIMETRA System Management – Motorola, Feb 2005 17. Radio Amateurs C & D Class Licence – Serbian Association of Radio Amateurs, Oct 1998

18. Cybersecurity for Beginners – Udemy

Publications

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1. SDR in Military and Aerospace – Beyond Tactical Radios, Microwave Journal, Sep 2020 2. Challenges of Contemporary ICT Market – Part 2, Jun 2017 3. Challenges of Contemporary ICT Market – Part 1, Apr 2017 4. H.264/AVC Standard in Military WiFi and WiMAX Systems, Telfor, Nov 2008 5. Performance Analysis of Routing Protocols in VANET Networks (co-author), ETRAN, Jun 2006

6. Performance Analysis of Wireless Ad Hoc Networks (co-author), Telfor, Nov 2005 Languages

• English – professional

• Russian - basic

Additional Skills

• Team leadership and mentoring in QA/automation.

• Strong knowledge of RF measurement equipment and telecom testing tools.

• Technical Writing: project documentation, blogs (IT, IoT, AI, 5G, security)

Contact this candidate