Senior Paid Media Technical Specialist – Shopping

Company overview

With a rich history spanning 25 years in e-commerce, digital marketing, and consumer insights, Kelkoo Group stands as a leading global data-driven marketing platform. We specialize in connecting consumers to the products they seek while generating premium traffic for online retailers. Present in 30 countries around the world, we deliver tailored traffic acquisition solutions that bring high-quality leads directly to merchants\’ e-commerce stores. In parallel, we support publishers by offering monetization opportunities through showcasing merchant products on their digital platforms.

At Kelkoo Group, we cultivate a collaborative and welcoming work culture. Our dynamic, diverse team of over 160 professionals operates from our European hubs in London (headquarters), Paris, Grenoble, Milan, Hamburg, and Madrid.

Role Overview

As a Senior Paid Media Technical Specialist, you will be responsible for the end-to-end technical management, and strategic development of Google and Microsoft Shopping campaigns, ensuring campaign performance consistently exceeds company KPIs.

You will leverage and optimise internal management tools, advanced advertising platforms, data analytics, and internal feed management tools to drive scalable, data-driven growth.

Key Responsibilities

• Internal Set Up & Optimisation:

• Review the internal set up based on the financial and commercial strategy.
• Work on the end-to-end technical set up of the different campaigns and their tracking structures/principles to ensure efficient and scalable campaign management on Google Performance Max (PMax) as well as general Google’s Shopping Ads and Microsoft Advertising.
• Optimise the use and leverage of Google Ads, Microsoft Ads, CSS Centre, and Merchant Center interfaces.
• Utilize Google Analytics (GA4) for deep campaign performance analysis and actionable insights.
• Help to optimise current bidding strategies, budget allocation, and keyword/product targeting adjustments to maximize ROAS and conversion volume.

• Provide expert guidance on the architecture, setup, and ongoing management of Google Shopping campaigns, including advanced configurations in Google Merchant Center feeds (structured data, feed rules, supplemental feeds), CSS Shopping Ads, and Performance Max campaign asset groups.
• Configure and manage enhanced tracking setups, including Google Tag Manager, conversion tracking, offline conversion imports, and cross-device attribution.
• Consult on and troubleshoot complex feed issues, data discrepancies, and policy compliance within Google Merchant Center and Microsoft Merchant Center.
• Advise on the implementation of advanced audience segmentation strategies including Customer Match, Similar Audiences, and RLSA in Google Ads and Microsoft Ads.

• Partner closely with internal teams (PPC, Product, Data Engineering) to leverage existing product catalogs, align campaign strategies, and refine audience targeting using first-party data and CRM integrations.
• Collaborate with technical teams to ensure feed data integrity, automated data pipelines, and campaign automation workflows.

• Diagnose and resolve campaign delivery issues, feed disapprovals, tracking anomalies, and bid strategy conflicts.
• Use diagnostic tools such as Google Ads Editor, Merchant Center Diagnostics, and Microsoft Ads Intelligence to identify root causes and implement fixes.

• Develop and deliver comprehensive technical documentation, best practice guides, implementation details, and performance analysis.
• Tailor strategic solutions and technical recommendations based on client business goals, historical data, and market trends.

Person Specification

• Minimum 5 years’ hands-on experience managing large-scale Google Ads accounts with a strong focus on Shopping campaigns (Performance Max, PLA, CSS). Experience with Microsoft Ads shopping campaigns is highly desirable but no deal-breaker.
• Proficient in the end-to-end management of product data feeds using Google Merchant Center and Microsoft Merchant Center, including troubleshooting feed errors, optimizing feed quality, and automating feed uploads.
• Deep understanding of Google Ads advanced features: audience targeting, Smart Shopping, Performance Max campaigns, local inventory ads, dynamic remarketing, conversion tracking, offline conversion uploads, and GoogleAnalytics integration.
• Demonstrated ability to troubleshoot complex technical issues related to feed management, campaign delivery, tracking, and bidding strategies.
• Strong analytical skills with advanced Excel capabilities and experience manipulating large datasets to extract meaningful insights.
• SQL proficiency is a strong plus to support data querying and integration tasks.
• Excellent communication skills with the ability to clearly explain technical concepts to non-technical stakeholders and document complex processes comprehensively.
• Highly detail-oriented, organized, and able to manage multiple projects simultaneously with precision.
• Creative problem solver with a proactive approach to identifying and implementing innovative campaign optimisations.
• Proven ability to work independently as well as collaboratively within cross-functional teams.

Kelkoo Benefits

• Become part of a dynamic and welcoming team of motivated professionals who support one another.
• Enjoy flexible work arrangements with the option to work remotely up to three days per week. When onsite, experience a vibrant atmosphere at our dedicated WeWork office near Victoria Station—perfectly located for a hassle-free commute.
• Start your day right with complimentary breakfast and snacks provided in the office.
• Take advantage of our “work from anywhere” benefit, allowing you to work remotely from any location worldwide for up to two weeks annually.
• Benefit from employer-covered sick leave, granting you up to 10 paid working days over a two-year period.
• Access interest-free loans up to £5,000 to purchase an annual travel pass, repayable over 10 months.
• Participate in the Cycle to Work program, with Kelkoo covering bike costs upfront and recovering payments through monthly payroll deductions over a year (up to £1,000). After the initial 12 months, you can choose to keep or lease your bike further.
• Take advantage of the Tech Scheme, enabling you to acquire technology equipment valued up to £2,500, paid by Kelkoo and deducted in installments over 12 months from your salary.
• Increase your annual leave through the Holiday Purchase Scheme, allowing the purchase of up to 12 additional holiday days each year (adjusted for part-time employees).
• Enjoy private medical insurance coverage.
• Receive extra holiday days for long tenure.
• Thrive in a culture that champions teamwork, ambition, and shared success.