Senior Account Manager DACH (f/m/d)

In breve

ecosio, a fast‑growing B2B integration specialist and part of Vertex, Inc., provides electronic data interchange (EDI), Web EDI and e‑invoicing services to corporate clients. The company is looking for a Senior Account Manager DACH to drive revenue, deepen relationships with existing customers, and act as the voice of the market for product and service improvements. In this role you will own a portfolio of German‑speaking clients, meeting revenue targets through up‑ and cross‑selling, and ensuring each customer extracts maximum value from ecosio's solutions. Daily activities include developing long‑term business relationships, listening to client feedback, and relaying it to product teams. You will also collaborate with marketing and business development to execute sales campaigns and support the overall growth strategy. The position requires proven experience in B2B SaaS sales, a native‑level command of German (C2) and fluent English, and a track record of managing an existing customer base. Candidates must have demonstrated success in cross‑selling and up‑selling within that portfolio. These qualifications are essential for delivering the expected results. Additional, but not mandatory, experience in selling EDI, e‑invoicing or ERP solutions is considered a plus. ecosio offers a remote‑first environment with flexible hours, a personal development budget, home‑office allowance, and the possibility of workations up to 90 days per year within the EU. Regular team events, wellbeing support and country‑specific benefits round out a supportive, inclusive culture. What the role asks for: - B2B SaaS sales experience - Native German language skills (C2) - Fluent English language skills - Experience managing an existing customer portfolio - Proven cross‑selling and up‑selling experience - Experience selling EDI/e‑invoicing/ERP solutions (nice to have)