Irem Ceren Çörtük

Senior Performance Marketer | App Growth & User Acquisition | Multi-Industry (Travel, E-commerce, Mobility)

Istanbul, Istanbul, Türkiye

About

A results-driven and analytical Senior Digital Marketing Specialist with strong creative and strategic skills. Experienced across various industries including finance, travel, e-commerce, and mobile app. Proven track record in campaign planning, optimization, and performance analysis using platforms such as Google Ads, Meta, TikTok, and more. Skilled in KPI-based strategy development, funnel analysis, user experience enhancement, and AI-powered reporting. Fluent in both Turkish and English, with hands-on experience in both local and international markets.

Experience

  • Wingie Enuygun Group (Full-time · 1 yr 9 mos)
    • Senior Digital Marketing Specialist
      Sep 2025 - Present · 10 mos

      - Developed and deployed automation scripts and API-based reporting systems to streamline campaign management, budget allocation, and performance tracking across global travel markets. - Designed and executed CRO-focused experiments, including A/B testing of landing pages, booking funnels, and audience segmentation, leading to measurable improvements in conversion efficiency. - Led cross-functional initiatives between marketing, analytics, and product teams, aligning advertising insights with product improvements to maximize both revenue and gross profit impact.

    • Experienced Digital Marketing Specialist
      Oct 2024 - Sep 2025 · 1 yr

      - Specialized in strategy, analytics, insight-based product solutions, budget optimization, marketing planning. Working on how campaigns can be developed and optimized in line with target KPIs. (Search, PMax, Demand Gen, YouTube, App etc.). - Creating strategies for Finance and Travel products, developing new campaign ideas and new A/B testing processes. - Performing in-depth funnel analysis for the travel vertical and working closely with product teams to optimize the user experience and drive product improvements based on analytical findings. - Planning, analyzing and optimizing advertising strategies with different bid strategies in line with different KPIs such as ROAS and CR. - Creating different report analyses and strategies using artificial intelligence and using them in advertising channels. - Conducting and performing funnel analysis and working to improve drop-off points by collaborating closely with product teams.

  • E-Commerce Performance Marketing Specialist at Mavi
    Sep 2023 - Oct 2024 · 1 yr 2 mos

    - Optimizing campaigns in line with their target KPIs, planning and analyzing their budgets. (Search, PMax, Demand Gen, YouTube, App etc.). - Testing different bid strategies to increase CR, CPC and ROAS, especially in PMax and search campaigns. - Planning, analyzing and optimizing advertising strategies with different bid strategies in line with different KPIs. - Planning, preparing and analyzing remarketing strategies, creating audiences suitable for campaign periods. - Analyzing app campaigns focusing on CPI, ROAS and LTV, performing creative tests, obtaining segment-based user insights with funnel and cohort analyses.

  • Performance Marketing Specialist at TikTak
    Aug 2021 - Sep 2023 · 2 yrs 2 mos

    - Developing advertising strategies to increase retention rates on the 1st, 7th and 30th day with cohort tracking of app users. - Planning campaign strategies and advertisements with the product teams to increase D0 car rental rate of users who have installed the app. - Developing strategies to increase users' LTV with data-driven lifecycle setups and improving drop-off points with the product team, improving user experiences. - Structuring the search ads framework, implementing CR focused optimizations to increase IS and improve CTR. - Conducting funnel-based performance analysis and deriving insights for audience-based, device-level and time-of-day segmentation and optimizations. - Preparing different content for install, advance install and engagement campaigns and conducting A/B tests. - Conducting remarketing studies to increase sales with app engagement campaigns, testing and analyzing different audience segments. - Analyzing campaign performances between Google, Meta, TikTok and Twitter(X) channels and planning them in line with monthly, weekly and daily targets.

  • Performance Marketing Specialist at Enrich
    Oct 2020 - Aug 2021 · 11 mos

    - Planning CPI focused advertisements of 6 different mobile applications in Turkey and globally, especially in UAE, SA and EG markets, analyzing them and producing content with the creative team. - CPA and LTV analyses of in-app purchase prices in line with country-based currencies, making content plans to increase in- app purchase rates. - CPI-focused analysis of different advertising channels and different markets, testing different countries for each application and planning their advertisements.

  • Jr. Digital & Brand Marketing Specialist at So CHIC
    Mar 2019 - Oct 2020 · 1 yr 8 mos

    - Establishing and managing BTL, TTL and ATL activities. - Briefing the agency for campaign plans of digital advertising channels, planning content during campaign periods and then making their analyses. - Weekly and monthly evaluation of e-commerce sales, making website content analyses and briefing advertising plans on special days. - Increased credibility and client awareness by developing technical/non-technical marketing collateral and presentations, public relations campaigns, articles and newsletters. - Reporting and analyzing market research and sales data and Ea prepare campaigns for sales development (for B2B and B2C) - Monitoring and management of fair and sponsorship organization processes. - To follow the realization of the sales, distribution and market share performance of the brand according to the targets and to stay in constant communication with the sales team and to coordinate sales and marketing activities at the right rate.