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Stefan Vukobrat

@stefanvukobrat

Digital analytics consultant delivering GA4, GTM and server-side tagging across 500+ websites for 50+ clients.

As an independent digital analytics consultant, I delivered GTM and GA4 implementations across 500+ websites for 50+ clients. I designed data layers, implemented custom JavaScript events and conversion tracking, and set up server-side tagging to improve measurement reliability.

At Serrala, I owned web analytics and tracking across the digital ecosystem, building data layers, conversion measurement and KPI frameworks for lead generation. I also led experimentation and funnel analysis, connecting marketing activity with pipeline performance.

At Bosch, I built and supported A/B testing and personalization programs with Optimizely and VWO, and contributed to web analytics, tracking and front-end implementations. Across my work, experimentation and conversion optimization initiatives contributed to approximately 34% average uplift.

Experience

Work history, roles, and key accomplishments

Current

Senior Digital Analytics & Tracking Consultant

Current

Stefan Vukobrat

Sep 2023 - Present (3 years 2 months)

Delivered GTM and GA4 implementations across 500+ websites for 50+ clients, including data layer architecture, custom JavaScript events, and complete conversion tracking. Implemented server side tagging setups and GDPR compliant measurement with Consent Mode, Cookiebot, and OneTrust.

Google Tag Manager Google Analytics 4 Server Side Tagging JavaScript Datalayer Google Consent Mode Cookiebot OneTrust BigQuery SQL Conversion Tracking Attribution Audit Tracking QA

Web Analytics Manager & CRO Specialist

Serrala

Jun 2022 - Aug 2023 (1 year 2 months)

Owned global web analytics and tracking across Serrala's digital ecosystem using GTM, Google Analytics, and custom JavaScript. Designed scalable data layers, conversion tracking, and KPI frameworks for lead generation, and led experimentation and funnel analysis.

Google Tag Manager Google Analytics JavaScript Datalayer Conversion Tracking KPI Frameworks Experimentation Funnel Analysis Attribution Dashboarding

Senior Web Analytics Consultant

Hopmann Marketing Analytics GmbH

Jun 2020 - Jun 2022 (2 years)

Led enterprise web analytics implementations and data quality governance using GTM, Google Analytics, Adobe Analytics, and JavaScript data layers. Built conversion measurement for ecommerce and lead generation, and translated user journeys into actionable insights.

Google Tag Manager Google Analytics Adobe Analytics JavaScript Datalayer Conversion Tracking Ecommerce Lead Generation Funnel Analysis CRO

Web Optimization & Personalization Analyst

Bosch

Nov 2018 - Aug 2021 (2 years 9 months)

Built and managed A/B testing and personalization programs using Optimizely and VWO, coding variants and targeting logic in JavaScript. Partnered with website owners and marketing teams on Tealium tag management and analytics requirements.

Optimizely VWO JavaScript A B Testing Personalization Tealium Tag Management Analytics QA

Web Analyst & Front End Developer

Bosch

Oct 2017 - Oct 2018 (1 year)

Implemented measurement with Tealium, Google Analytics, and GTM, and audited tracking across 100+ Bosch websites. Developed pages for Bosch Germany's ecommerce platform and other applications, plus HTML email and brochure templates.

Tealium Google Analytics Google Tag Manager JavaScript HTML CSS Ecommerce Audit Tracking

Digital Analyst

Bosch

Oct 2016 - Feb 2018 (1 year 4 months)

Defined KPIs and measurement requirements for web, ecommerce, and mobile initiatives, supporting Tealium tagging and media pixel QA. Built reports in Google Data Studio, Power BI, Qlik Sense, and Tableau, and implemented GDPR consent solutions.

Tealium Google Data Studio Power BI Qlik Sense Tableau Cookiebot OneTrust CookiePro GDPR KPI Definition Media Pixel QA

Web Analyst & Junior Front End Developer

Bosch

Jan 2016 - Sep 2016 (8 months)

Supported analytics strategy, implementation, and testing using Tealium, GTM, Google Analytics, Adobe Analytics, and reporting tools. Supported Bosch Germany ecommerce rollouts and hand coded front end implementations in HTML, CSS, and JavaScript.

Tealium Google Tag Manager Google Analytics Adobe Analytics HTML CSS JavaScript Ecommerce