Equativ is one of the largest and most innovative independent advertising technology (ad tech) platforms globally. By joining our team, you will be part of a company that is transforming the digital advertising landscape, offering transparent and efficient solutions that connect advertisers and publishers. You will work in a dynamic, collaborative environment with cutting-edge technology, where you will own a portfolio of strategic accounts in LATAM and your talent will have a direct impact on the digital ecosystem. As Key Account Manager, you will be the single owner of your accounts across the full campaign lifecycle on Maestro, our curation and activation platform: from campaign creation and strategy setup, through optimization and support, to reporting and the presentation of results. You replace fragmented handoffs with true end-to-end account ownership. WHAT YOU'LL DO: * End-to-end ownership of a portfolio of strategic Maestro accounts (Tier 1 and Tier 2 agencies, trading desks, and advertisers), acting as the client's single point of contact from kick-off to results. * Creation, setup, and optimization of campaigns and programmatic deals with diverse KPIs on Maestro, our curation and activation platform. * Hands-on support and guidance to clients on the setup of their activation strategies: audiences, curation, and formats (display, video, CTV, native), ensuring each campaign is built to deliver. * Continuous monitoring, troubleshooting, and optimization of delivery and performance, identifying and resolving discrepancies or technical issues proactively. * Reporting and presentation of results for strategic campaigns, translating data into insights and actionable recommendations for the client and for account growth. * Training and technical support to clients on Maestro, empowering agency and trading desk teams to activate autonomously. * Strategic coordination with the Supply team to maximize deal and campaign performance, and with dedicated Sales to surface uplift, renewal, and upsell opportunities. * Collaboration with internal teams (Product, Analytics, Support) to tailor and develop solutions according to specific client needs. WHAT YOU NEED: * 3+ years of proven experience as an account manager, trader, or trafficker in digital advertising, ideally on the programmatic side. * Solid understanding of the programmatic ecosystem (SSP, DSP, deal types, curation). * Experience in the setup and management of programmatic deals or connections. * Technical ability to identify and implement tracks, tags, VAST, VPAID, etc.; working knowledge of adservers. * Strong client-facing skills: comfortable building reports and presenting campaign results and recommendations to senior stakeholders. * Previous experience working with brands or agencies based in LATAM/Mexico; familiarity with Tier 1 agency trading desk models is a strong plus. * Familiarity with DSP platforms such as DV360, Xandr, Amazon DSP, among others. * Strong analytical skills (Excel, reporting tools) and attention to detail. * Intermediate-advanced English proficiency, essential for fluid internal communication with our global teams. * An ownership mindset: autonomy, prioritization across multiple accounts and tasks, and accountability for outcomes. WHAT WE OFFER: * Competitive salary. * 30 days of annual bonus (Aguinaldo). * Meal vouchers. * Quarterly bonus based on objectives. * Major Medical Expenses Insurance (SGMM). * 15 days of vacation plus a 25% vacation premium (prima vacacional). * Wellhub subscription for your physical and mental well-being. * Parking space. * Optional language courses (English, French, German, or Russian) sponsored by the company. * Hybrid work model (offices located in Mexico City).