Customer Success Manager

United Kingdom Sales

Mailgun is the leading API-based service for sending, receiving, and tracking email. Since our start in 2010, Mailgun has delivered innovative technologies to the email space for the benefit of technically progressive companies around the globe. In October 2019, Mailgun furthered this initiative by acquiring Mailjet, a European leader in multi-channel messaging and email marketing automation. Together, Mailjet and Mailgun serve nearly 300,000 customers worldwide including Microsoft, DHL, Lyft, Etsy, Github, and Johnson & Johnson, sending billions of emails every month on our platforms.

We are looking for a Customer Success Manager to focus on increasing our installed base sales. The successful candidate will work closely with our existing team in an effort to execute business processes, follow best practices and help meet the needs of our existing customers. You will evangelize Mailgun’s diverse product suite, resulting in the adoption of new services together with the expansion and renewal of existing contracts.


Managing relationships with accounts with a Monthly Recurring Revenue of up to € 50K

  • Conduct monthly & quarterly account reviews
  • Prospect into existing accounts to proactively find new opportunities
  • Cross-sell / up-sell the product portfolio
  • Renew and negotiate existing account contracts
  • Manage a high-velocity sales funnel
  • Manage the customer lifecycle journey
  • Forecast account growth on a monthly basis


  • 3+ years selling technology (SaaS preferred)
  • Experience managing existing accounts (Account Executive with existing accounts, Account Manager, or Customer Success Manager w/ quota)
  • Proven track record of exceeding quota
  • Experience managing high velocity sales process
  • History of career advancement
  • History of selling to developers preferred

Skills and characteristics

  • Experience selling technical products
  • Able to navigate complex organizational structures
  • Experience utilizing Excel/Google Sheets
  • High velocity sales process
  • Strong communication skills
  • Hubspot or other CRM experience
  • High energy
  • Goal oriented
  • Ability to learn something new


  • Multicultural team: teams based in San Antonio, London, Paris, Düsseldorf, Barcelona...
  • Motivating package, permanent contract, continuous opportunities for growth


Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind.

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