Key Account Manager (API)

About Vonage

Vonage, a part of Ericsson, is a global leader in cloud communications. Our Communications Platform as a Service (CPaaS) enables businesses to embed programmable voice, messaging, video, and AI capabilities directly into their applications and workflows. We power billions of customer conversations every year for some of the world's most innovative companies, and we're growing fast.

Why this role matters

We're looking for a commercially driven Account Manager to join our UK&I API sales team. You'll own a portfolio of existing accounts, building deep relationships and identifying opportunities to expand Vonage's CPaaS footprint from Communications and Messaging APIs to Network Powered Solutions such as silent authentication and anti-fraud API’s.

This is a growth role. You'll inherit a warm book of business and be expected to retain, expand, and delight customers while consistently exceeding revenue targets. Please note that this is a hybrid role, and we would require you to visit our office once per week.

Your key responsibilities

• Own and grow a portfolio of mid-market to enterprise accounts across the UK&I, driving net revenue retention and expansion ARR
• Build strong, multi-threaded relationships with technical, commercial, and C-level stakeholders
• Develop a deep understanding of each customer's business objectives and map Vonage's CPaaS solutions, including SMS, RCS, WhatsApp Messaging, Voice, Video, Verify, and network powered solutions to their needs
• Lead commercial conversations including renewals, upsells, cross-sells, and contract negotiations
• Work closely with Solutions Engineers and Customer Success to ensure seamless onboarding, adoption, and value realisation
• Maintain accurate pipeline and forecast data in Salesforce, and provide regular reporting to leadership
• Represent Vonage at customer meetings, industry events, and roundtables across the UK&I

What you'll bring

• 3+ years of B2B CPaaS, ideally in an account management or client growth role
• Proven track record of meeting or exceeding revenue retention and expansion targets within a mid-market and enterprise segments
• Ability to sell to both technical (developer, architect) and business (CX, Operations, Marketing) stakeholders
• Familiarity with cloud communications, APIs is highly desirable
• Excellent communication, negotiation, and presentation skills
• Experience with Salesforce or similar CRM
• Experience with outreach tools such as ZoomInfo
• Self-starter with a collaborative mindset, comfortable working in a fast-moving, matrix organization

How you’ll benefit:

• Legal & General Pension
• Life Assurance
• Income Protection
• Private Medical & Dental Insurance
• Eligible for Free Eye Tests
• Shopping Discounts
• Optum Employee Assistance Programme
• Unlimited Discretionary Time Off
• Three Paid Volunteer Days a Year

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