> Markdown version of [/jobs/ext/2997659-ecommerce-performance-specialist](https://www.wearedevelopers.com/jobs/ext/2997659-ecommerce-performance-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ecommerce Performance Specialist - **Company:** Meller - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** HTML, Universal Mobile Telecommunications Systems, Artificial Intelligence, Cascading Style Sheets (CSS), Cursor (Graphical User Interface Elements), Google Analytics, Software Tools, Shopify, Google Tag Manager, Facebook Ads Manager, GPT - **Published:** September 19, 2026 - **Apply:** https://www.buscojobs.com.es/ecommerce-performance-specialist-en-madrid-ID-370408680 ## About the Role 0-3 years of experience in Ecommerce or Performance Marketing. Extremely organised. Strong attention to detail, with good judgement for catching errors before anything goes live. Able to manage many tasks at once. Resourceful, solutions?first mindset. Fast learner. Able to follow established processes. Fluent Spanish, professional?level English, French, Italian or German is a bonus Bonus: experience with Shopify. Bonus: experience with Meta Ads Manager and TikTok Ads Manager. Bonus: knowledge of on?page SEO. Bonus: experience with Google Analytics 4 and Google Tag Manager Bonus: experience using AI tools (ChatGPT, Claude, Cursor, etc.) to automate tasks and work more efficiently. Bonus: basic HTML/CSS knowledge. ## Description Meller is a Barcelona-born brand selling sunglasses and accessories in over 100 countries.We grow profitably by combining creativity, data and fast execution.Our team is small, highly demanding and deeply results-driven - we like simplifying processes, automating everything we can, and spending our time only on what truly moves the business forward.We're looking for a junior to mid-level Ecommerce & Performance Specialist to support our Ecommerce & Performance team's day-to-day operations.This isn't a strategy role.It's an execution role for someone who can get hundreds of small things done fast, accurately and with a sharp eye for detail.You'll turn the team's briefs into live campaigns, correctly configured products and a storefront that's always up to date.Your work will have a direct impact on how quickly the team can launch campaigns, test ideas and drive sales.How we work At Meller, we believe the best teams don't work more.They work better.Our principles:Quality matters even more.Small mistakes cost real money.Automate everything you can.If a task repeats ten times, it should probably become a process.We're looking for someone who enjoys making operations run like clockwork.Your role Paid MediaBuild campaigns and ads in Meta Ads Manager.Set up campaigns in TikTok Ads Manager.Adjust budgets.Turn ads on and off.Check UTMs, naming conventions and tracking.ShopifyCreate collections.Keep the catalogue constantly up to date.OperationsCheck that everything is correctly published before every launch.Catch errors before they reach the customer.Coordinate with Design, Content and Performance to hit deadlines.Save the team time.Propose better ways of working.What we're looking for0-3 years of experience in Ecommerce or Performance Marketing.Extremely organised.Strong attention to detail, with good judgement for catching errors before anything goes live.Able to manage many tasks at once.Resourceful, solutions?first mindset.Fast learner.Able to follow established processes.Fluent Spanish, professional?level English, French, Italian or German is a bonusBonus: experience with Shopify.Bonus: experience with Meta Ads Manager and TikTok Ads Manager.Bonus: knowledge of on?page SEO.Bonus: experience with Google Analytics 4 and Google Tag ManagerBonus: experience using AI tools (ChatGPT, Claude, Cursor, etc.) to automate tasks and work more efficiently.Bonus: basic HTML/CSS knowledge.What we offerThe chance to join one of Europe's fastest?growing DTC brands.Learn directly from the team that scaled Meller from €5M to over €60M in revenue while staying profitable.An environment where good ideas get implemented fast.Real autonomy and responsibility from day one.Access to AI and automation tools to help you work smarter.#J-*****-Ljbffr ## Related Videos - [WeAreDevelopers LIVE - Markdown, Liquid and Checkouts](https://www.wearedevelopers.com/videos/1814-wearedevelopers-live-markdown-liquid-and-checkouts) - [ Evaluating AI models for code comprehension](https://www.wearedevelopers.com/videos/1462-evaluating-ai-models-for-code-comprehension) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Marko.js: Unsung Hero of Scalable Web Frameworks](https://www.wearedevelopers.com/videos/1669-marko-js-unsung-hero-of-scalable-web-frameworks) - [Teini - an extremely small webshop leveraging awesome and free tech](https://www.wearedevelopers.com/videos/286-teini-an-extremely-small-webshop-leveraging-awesome-and-free-tech) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. 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