E-commerce & Performance Marketing Admin Assistant

Company: MIISTA
Apply for the E-commerce & Performance Marketing Admin Assistant
Location: London
Job Description:

E-commerce & Performance Marketing Admin Assistant

We are looking for a highly organised and detail-driven E-commerce & Performance Marketing Admin Assistant to support the day‑to‑day execution of our e-commerce operations and performance marketing strategy.

This is a hands‑on role focused on backend setup, e-commerce administration, and website management, working closely with the marketing and e-commerce team to ensure smooth and efficient execution.

E-commerce and website management

  • Support with uploading and maintaining product listings (titles, descriptions, pricing, images, attributes)
  • Manage website updates (homepage, collection filters, landing pages, seasonal campaigns)
  • Support product launches and merchandising updates in line with the trading calendar
  • Ensure site content is accurate, on-brand, and up to date across devices
  • Assist with QA (checking links, pages, and UX issues) and general site maintenance
  • Conduct weekly website reviews to identify opportunities for upselling and UX optimisation
  • Assist with email marketing flow setup and optimisation
  • Support with catalogue management across social platforms, including Meta, Google and Pinterest.

Performance Marketing & Campaign Setup

  • Support the setup of campaigns across paid channels (Meta, Google, etc.)
  • Upload creatives, copy, audiences, and tracking links
  • Maintain campaign naming conventions and documentation
  • Help monitor campaign delivery and flag performance or learning issues

Requirements

  • 1–2 years’ experience in e-commerce, digital marketing, or administrative support
  • Highly organised with strong attention to detail
  • Strong written and verbal communication skills
  • Ability to manage multiple tasks and meet deadlinesExperience with Shopify
  • Experience with Sanity or a similar CMS is a bonus
  • Familiarity with Meta Ads Manager and/or Google Ads
  • Basic understanding of paid media metrics (ROAS, CPC, CPA)
  • Experience with email marketing platforms (Klaviyo preferred)

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Posted: June 21st, 2026