Ecommerce Marketing Specialist

October 9, 2026

Remote

Middle

Madrid, Spain

May rule you out

Another language required
Spanish

Worth knowing

English is required

Description

The Ecommerce Marketing Specialist plans and optimizes paid marketing across SEM, CPS/affiliate, media buying and paid social, targeting the Spanish market. The role covers budget planning, traffic strategy, creative briefs, campaign launch QA, reconciliation and performance analytics. The specialist collaborates with agencies, media partners and internal cross-functional teams to drive efficient traffic and conversions.

Responsibilities

Plan, forecast, and manage quarterly and annual e-commerce paid marketing budgets across SEM, CPS (Affiliate), media buying, and other promotional resources
Formulate budget allocation plans for SEM campaigns based on product launches, campaign objectives, and business targets; handle budget applications and approvals
Manage CPS commission budgets, paid media procurement fees, and promotional resource expenditures
Align marketing resource planning with product launches and major shopping events such as Black Friday and Summer Sales
Dynamically adjust budget distribution and media resource allocations based on real-time business performance and campaign ROI
Develop traffic generation plans in line with the annual marketing calendar, major sales events, and product launches with MKT, Product, and Operations teams
Conduct media market research to evaluate trends, consumer behaviors, and publisher performance to inform channel selection
Optimize CPS affiliate commission tiers, negotiate partner placements, and execute resource barter deals
Design custom traffic acquisition and conversion strategies tailored to specific campaign goals across product categories
Oversee day-to-day management of SEM (Search, Shopping) campaigns including keyword research, ad copy, sitelinks, bidding strategies, and promo integrations
Produce creative briefs for search ads aligned with Global HQ account structure and campaign needs
Draft creative briefs for CPS media networks, overseeing creative production and launch workflows
Create, track, and distribute promotional discount codes and coupons to agencies, media outlets, and channel partners
Ensure accurate product specifications, promotional mechanisms, and marketing assets are distributed to agencies and media partners
Develop briefs for Demand Gen ad creatives, copy, and promotional materials for launch events and major sales
Coordinate on-site content planning and messaging execution for owned push notifications
Perform routine maintenance, audits, and error checks for SEO product feeds
Partner with PR, Social, and Brand MKT teams to ensure unified promotional and product messaging across touchpoints
Conduct pre- and post-launch QA checks on SEM, Shopping, and Search campaigns to ensure accuracy in product information, pricing, landing pages, and promotion mechanics
Verify ad creatives and promo details for Demand Gen campaigns during key sales periods
Inspect media buying ad placements to ensure ads run according to agreed schedules, placements, and specs
Audit promo codes and coupon functionality live on-site and resolve any technical errors immediately
Identify and troubleshoot discrepancies across ads, creatives, pricing, landing pages, and stock availability
Manage monthly CPS affiliate commission reviews and campaign data verification, validating commission rates and order statuses
Lead proof-of-performance acceptance for media buying campaigns, collecting screenshots, delivery proofs, and campaign reports
Maintain clear communication with media partners, agencies, internal finance, and business operations for invoice settlements
Audit order anomalies, commission disputes, and tracking discrepancies to drive swift resolutions
Monitor and analyze daily/weekly SEM performance metrics (Cost, CTR, Conversion Rate, ROAS, CPA) to evaluate channel effectiveness
Track affiliate platform dashboards to analyze orders, commission payouts, and conversion trends
Conduct post-campaign reviews to evaluate conversion funnels and identify traffic leakage or growth opportunities
Leverage store traffic and consumer data to build target persona profiles and understand user intent
Optimize audience targeting, media mix, and budget distribution based on real-time channel performance
Build performance media plans based on campaign KPIs, selecting media channels, targeting parameters, and budget distributions
Select optimal ad formats and ad creatives tailored to specific media platform mechanics such as Meta, TikTok, and Paid Search
Write creative briefs for ad copy and design assets, collaborating with internal design and agency teams
Continuously track performance metrics (Cost, CTR, Conversion, ROAS) to dynamically optimize target audience segments, placements, and ad creatives

Requirements

3+ years of hands-on experience in E-Commerce Digital Marketing, Performance Marketing, or Paid Media Management targeting the Spanish market
Proven track record in managing SEM (Google Ads, Shopping), CPS/Affiliate Networks, and Performance Media/Paid Social
Strong data analysis capabilities using Google Analytics, Excel (Pivot Tables, VLOOKUP), and attribution tools
Deeply familiar with key performance metrics: Cost, CTR, CVR, ROAS, CPA
Prior experience briefing agencies, managing external media vendor relationships, and handling financial reconciliations
Professional working proficiency or fluency in Spanish and English (written and spoken), prefer Chinese speaker
Highly organized with exceptional attention to detail and strong cross-functional communication skills
Agile problem-solving mindset

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