Über Tatjana
Englisch
Muttersprachlich oder zweisprachig
Deutsch
Grundkenntnisse
Serbisch
Muttersprachlich oder zweisprachig
Kroatisch
Muttersprachlich oder zweisprachig
Projekt- und Berufserfahrung
- Sunrise Communications AGSenior QA EngineerSeptember 2018 - Heute (7 Jahre und 9 Monate)Zürich, Switzerland• • Led end-to-end system and integration testing across web platforms, mobile applications, backend services, and connected customer devices• • Performed deep packet and system log analysis using Wireshark and platform logs to isolate root causes and reduce defect re-open rates• • Designed and maintained structured test suites in Jira, HP ALM, and Octane, improving traceability across requirements, defects, and releases• • Acted as a quality gate in Agile delivery, supporting Go/No-Go decisions through risk based validation and structured release reporting• • Identified high-impact pre-release software and firmware defects, improving production stability and reducing post-release incidents• • Validated API and backend service integrations using Postman and REST services• • Performed cross-device software and firmware testing on CPEs: Fritz!Box, Huawei, Zyxel, LGE MV• • Executed end-to-end testing of onboarding, device setup, service configuration, and account management• • Tested Smart TV and OTT platforms including Samsung Tizen and Apple tvOS• • Collaborated closelywith development, product, and operations teams on distributed software Tools & Technologies: Postman, REST APIs, SQL (data validation), Jira, HP ALM, Octane, Wireshark, Android & iOS testing, Smart TV platforms (Tizen, tvOS), CPE firmware validation (Fritz!Box, Huawei, Zyxel, Sagemcom, LGE MV), Backend integration, Agile/Scrum
- BgstyleOwner — Independent Consulting PracticeJanuar 2001 - Januar 2017 (16 Jahre)Zürich, Switzerland• • Managed operations and client delivery with focus on process optimization and documentation.• • Managed independent consulting practice with full responsibility for operations, client delivery, and structured process management• • Developed strong expertise in documentation, workflow optimization, and quality-focused service delivery• • Built long-term client relationships based on reliability, structured planning, and accountability
- CIS InstituteISO 9000 Quality Manager / Lab Dip EngineerJanuar 1996 - Januar 2001 (5 Jahre)Belgrade, Serbia• • Led ISO 9000 quality system implementation and internal audits• • Developed structured documentation, procedures, and compliance processes• • Trained teams on quality standards and continuous improvement practices
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Ausbildung und Abschlüsse
- BScThe University of Natural MedicineBSc
- AI for EveryoneDeepLearning.AI2025AI for Everyone