The Mid Market Account Executive will prospect UK merchants through outbound email and phone outreach, manage the full sales funnel, build pipelines, engage senior decision-makers, present value propositions, negotiate contracts, and close new business. The role requires independent deal ownership, CRM and pipeline management, collaboration with internal teams, and achievement of sales targets. Candidates should have substantial full-cycle sales experience, executive-level selling expertise, business development skills, and familiarity with e-commerce, payments, fintech, or retail.