Performance Marketing Manager

Overview

OnBuy are an online marketplace on a mission to be the best choice for every customer, everywhere. We have recently been named one of the UK's fastest-growing tech companies in the Sunday Times 100 Tech list. All achievements we are very proud of, but we stay focused on our mission and the joint effort ahead to succeed.

Working at OnBuy: we are a team of driven and motivated people who thrive when working  succeed at OnBuy you need to take charge and fully own your responsibilities, rolling your sleeves up to get it done. You must stay focused and prioritise ruthlessly in a constantly evolving environment. You will have opportunities to learn and grow as OnBuy evolves.

At OnBuy, you’re not just a number. We are creating something really special, and you have the opportunity to affect meaningful change and have your voice heard. We are a close team with opportunities to learn and grow.

About the Role

As our Performance Marketing Manager, you will lead all cross-channel acquisition efforts across our European markets. This is a rare opportunity to take a mature, high-performing product and build its presence in new territories. You’ll be empowered by the infrastructure, data quality, and scale of a business with nine-figure annual turnover—while still enjoying the autonomy and pace of a growing team.

You won’t stop at simply acquiring traffic. Your remit spans the full funnel: identifying the right audiences, activating the right channels, and driving high-intent users to the right products—then closely analysing what happens after they land. You’ll uncover friction points across UX, product health, merchandising, and localisation, partnering with key internal stakeholders to resolve them and unlock incremental growth. This is a hands-on, strategic role for someone excited to blend performance marketing expertise with commercial insight, experimentation, and cross-functional collaboration.

• Own performance for multiple EU accounts on Google/Bing Ads - take responsibility for achieving GMV and contribution targets for each country
• Manage budget pacing, campaign structures, bid and audience strategies
• Continual optimisation of paid activity to drive efficiency, unlock new opportunities and drive a cycle of incremental growth
• Complete performance reports to a high standard, offering insights and actions
• Employ a consistent test and learn approach for any new implementations across channels
• Keep up to date with the latest industry trends/changes and understanding how they could affect performance
• Work closely with Google Ads Account Managers to constantly develop and add value to paid activity
• Work with internal stakeholders (Analytics, Developers, LT) to understand business requirements and work in an agile manner
• Identify and implement strategies to automate tasks and workflows

• Demonstrate a strong understanding of all paid media elements (particularly Google Ads), including campaign planning and hands-on implementation/management of Shopping/PMAX campaigns
• A strong understanding of Product feeds and Google Merchant Center
• An understanding of marketing funnels, attribution, and conversion journeys
• Ability to identify trading patterns and offer pro-active solutions
• A commercial mindset - understanding what levers need to be pulled to achieve desired targets
• A high degree of numeracy with high proficiency in Excel
• A good team player with effective communication and presentation skills
• Self-starter with strong time management skills and ability to plan workload

• Prior experience of working with large product inventories and datasets
• Knowledge of data/propensity modelling
• Experience of Looker and SQL
• Facebook and Tik Tok paid campaign experience
• Experience of emerging channels (Reddit, AI, etc.)
• Experience of other channels (Affiliates, SEO, CSS)

The salary on offer for this role is £75,000-£80,000 depending on experience.

We also offer the following benefits:

• Company equity – you own a piece of the business
• 25 days annual leave + Bank Holidays
• 1 extra day off for your Birthday
• Employee Assistance Programme
• Perks at Work benefit platform
• Opportunities for career development and progression

This role is UK remote or hybrid if you live near our Manchester or Bournemouth offices.

OnBuy is an equal opportunities employer. We are dedicated to creating a fair and transparent workforce, with recruitment that does not discriminate on gender, sexual orientation, marital or civil partnership status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability, or age.