Senior QA Engineer - Automation & Performance Expert

Zarko Novicic

Senior QA Engineer QA Automation & Performance Testing Expert DNS/DDI Specialist

Email: *****.*******@*****.*** LinkedIn: linkedin.com/in/zarko-novicic PROFESSIONAL SUMMARY

Senior QA Engineer and Automation Specialist with 25+ years of experience across software quality assurance, network testing, performance benchmarking, and telecommunications systems. Strong expertise in test automation, DNS/DDI systems, and network-centric platforms. Proven track record in building automation frameworks, designing performance tests, validating mission-critical systems, and improving release quality in Agile environments. Combines deep telecom knowledge with modern QA practices, making a rare and valuable hybrid expert in QA and networking domains.

CORE SKILLS

QA & Testing

1 Manual, Automation, API, Database & Performance Testing 2 Test strategy design & planning

3 Regression, exploratory & system testing

4 Defect management & root cause analysis

5 Agile/Scrum QA processes

Automation

1 Selenium (Python)

2 Playwright (TypeScript)

3 Cypress (JavaScript)

4 Python & Bash scripting

Performance & Network Testing

1 resperf, dnsperf, dnsdist

2 Cache saturation & traffic generation

3 Benchmarking and system health validation

DevOps & Tools

1 Docker, Kubernetes

2 Jenkins, GitHub, GitLab, Bitbucket

3 AWS, Azure, Nginx, Ansible

PROFESSIONAL EXPERIENCE

BlueCat Networks – Software QA Analyst (Dec 2024 – Present) 1 Lead QA automation for DNS and DDI platforms

2 Develop performance automation using Playwright and resperf 3 Create DNS traffic simulations and cache tests

4 Improve regression coverage and release quality

5 Collaborate in Agile teams

Aspire Technology – Senior QA Engineer (Jun 2023 – Dec 2024) 1 Designed QA strategies for telecom platforms

2 Built automation frameworks in Selenium and Cypress 3 Managed defects and reporting in Jira

4 Authored technical documentation

Endeavour Technology – Senior QA Engineer (Jun 2022 – Jun 2023) 1 Automated mobile analytics testing

2 Performed API and performance testing

3 Built QA dashboards in Grafana and Splunk

Polus Tech – QA Lead (May 2021 – Jun 2022)

1 Defined QA processes and standards

2 Mentored QA engineers

3 Led release readiness and automation strategy

Government of Serbia – Radio System Manager (2004 – 2021) 1 Managed mission-critical radio networks

2 Led system upgrades and acceptance testing

3 Ensured compliance and reliability

EDUCATION

MSc (Magisterium) in Telecommunications – University of Belgrade CERTIFICATIONS

1 ISTQB Certified Tester – Foundation Level

2 Linux Foundation Kubernetes Certification

3 Multiple Python & Automation Certifications

4 ISO/IEC 17025 Quality Certifications

5 Radio & Telecom Management Certifications

PUBLICATIONS

1 SDR in Military and Aerospace – Microwave Journal 2 Challenges of Contemporary ICT Market (Parts 1 & 2) 3 H.264/AVC in Military WiFi/WiMAX Systems

4 VANET Routing Protocol Analysis

5 Wireless Ad Hoc Network Analysis

LANGUAGES

1 English – Professional

2 Russian – Basic

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