Senior E-commerce Executive in London

About Us: We are Havas Market, part of the Havas Media Group. Our mission is to create meaningful connections between people and brands to drive business success with one vision, one voice and one P&L. Havas is the only truly integrated marketing and communications company in the UK. Havas Market is Havas Media Group’s specialist ecommerce and performance marketing agency. Our 150-strong team brings together data, performance marketing, connected commerce and retail expertise to help brands drive measurable commercial growth. Our Limitless Performance proposition connects brand, performance, commerce and loyalty to create more joined-up customer experiences and move people closer to purchase.

We work across a range of channels, including:

• Direct-to-consumer (D2C) media
• Marketplaces
• Retail media
• Social commerce
• Loyalty & Partnerships

Our offer spans managed services, consultancy, technology and tools, supporting clients across multiple markets and categories. As part of Havas Group, we also benefit from access to a broad range of complementary capabilities, including media, data and technology, digital, social, CRM, UX, creative, research, public relations, design and more – all under one roof at our London Kings' Cross office.

The Role: This role sits within the Havas Market Ecommerce Client Team. As a Senior Ecommerce Executive, you will support the Ecommerce Manager in delivering high-quality client service across a portfolio of connected commerce clients. You will contribute to campaign coordination, performance analysis, reporting, project management and client communications, helping to ensure smooth day-to-day delivery across your accounts.

Our clients operate across a range of channels, including:

• Brand: OOH, BVOD and programmatic
• Performance: PPC and paid social
• Commerce: Amazon retail, Amazon Ads, retail media and TikTok Shop

This is an excellent opportunity for an ambitious ecommerce or performance marketing executive who wants to develop broader experience across the connected commerce environment. You are not expected to have in-depth knowledge of every channel. However, you should have a strong appetite to learn and an interest in understanding how different channels work together to deliver against brand and commercial objectives for clients.

The role would suit someone with one to two years’ agency experience in ecommerce and/or performance marketing who is ready to take the next step in a client-facing role. This role is hybrid, with 3-days a week (Usually Tues, Weds & Thurs) at our central Kings Cross office, and 2 days remote.

Key Responsibilities:

• Client and campaign delivery
• Support the Ecommerce Manager and Director in developing ecommerce strategies for clients.
• Contribute to campaign planning, annual planning and the development of ad hoc briefs.
• Build an understanding of clients’ businesses, customers and commercial objectives.
• Help ensure recommendations are practical, insight-led and aligned with clients’ short- and long-term goals.
• Support the coordination of multi-channel campaigns, working closely with internal activation teams.
• Schedule and coordinate internal stand-ups, track actions and help ensure campaigns remain on schedule and on budget.
• Monitor campaign pacing and performance, escalating issues and performance challenges to the Ecommerce Manager where appropriate.
• Support the development of post-campaign analyses (PCAs), ensuring they contain clear, actionable insights.
• Support the implementation of client innovation and testing roadmaps.

Planning and performance:

• Work with the Ecommerce Manager and activation teams to develop media plans, forecasts and performance benchmarks.
• Contribute to performance analysis across ecommerce, retail media and wider paid media channels.
• Identify opportunities to improve campaign performance and client outcomes.
• Help anticipate potential delivery issues and recommend ways to mitigate them.

Client management:

• Own agreed client workstreams and support the day-to-day management of client accounts.
• Lead weekly client meetings with confidence; crafting clear agenda and performance insights.
• Act as a reliable point of contact for campaign updates, actions and operational queries.
• Build strong working relationships with clients and internal stakeholders.
• Communicate clearly, proactively and professionally across all projects.

Reporting and tools:

• Own the preparation of weekly and monthly performance reports.
• Translate data into clear, actionable insights and challenge assumptions where appropriate.
• Support the post-campaign analysis process by briefing internal teams, collating findings and preparing presentation materials.
• Become proficient in relevant ecommerce, retail media and performance marketing tools, including proprietary Havas Market technology.

Digital shelf optimisation:

• Optimise product content and ecommerce operations across relevant commerce platforms.
• Help improve clients’ retail presence, discoverability and commercial performance.
• Monitor issues relating to content, availability, retailer compliance and platform execution, escalating where required.

Skills and Experience:

• Ideally one to two years’ experience in an agency, brand, retailer or consultancy environment, ideally within ecommerce, retail media or performance marketing.
• An analytical mindset and strong Excel/spreadsheet skills.
• Experience with campaign coordination, reporting or performance analysis.
• Working knowledge of Amazon Ads and Amazon retail platforms, including Vendor Central and/or Seller Central.
• Understanding of retail media and marketplace activity.
• Experience or exposure to PPC and paid social activation.
• Strong organisational and project management skills.
• Excellent attention to detail and the ability to manage multiple priorities.
• The ability to work effectively in a fast-paced, entrepreneurial agency environment.
• A collaborative, proactive and positive approach.
• A genuine interest in learning and developing across connected commerce.

Desirable Experience:

• Experience with both Amazon Vendor Central and Seller Central.
• Experience with TikTok Shop or social commerce.
• Familiarity with digital shelf metrics and optimisation.
• Experience with retail media networks or marketplace platforms beyond Amazon.
• Knowledge of ecommerce reporting or activation tools.
• Experience supporting new business, pitch or planning activity.

Contract Type: Permanent

Here at Havas across the group we pride ourselves on being committed to offering equal opportunities to all potential employees and have zero tolerance for discrimination. We are an equal opportunity employer and welcome applicants irrespective of age, sex, race, ethnicity, disability and other factors that have no bearing on an individual’s ability to perform their job.

Location: London

Type: Full time