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Senior Account Executive

Antithesis· Sales
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London, UKFull-timePosted 4mo ago

About the role

Senior Account Executive at Antithesis responsible for selling developer tools to highly technical customers, engaging with engineers and executives, and driving adoption of the platform. Requires ownership of complex enterprise sales cycles and contribution to sales process as the company scales.

Responsibilities

  • Run complex enterprise sales cycles end-to-end, from prospecting through close.
  • Own and proactively manage your book of business with a high degree of accountability.
  • Engage senior engineers, engineering leaders, and executives in technical and business-focused sales conversations.
  • Help define and refine Antithesis’s customer qualification criteria and sales process as the company scales.
  • Represent the voice of the customer in product discussions with engineering and product teams.
  • Drive successful customer adoption by clearly articulating value, ROI, and integration considerations.
  • Mentor new Account Executives and contribute to a strong, collaborative sales culture.
  • Partner with marketing to refine messaging and sales materials based on market feedback.

Qualifications

  • Have 5+ years of experience in enterprise B2B SaaS sales, with direct experience selling developer tools or similarly technical products.
  • Bring native-level German-speaking skills, in addition to English.
  • Demonstrate a consistent track record of exceeding quota.
  • Be highly motivated, proactive, and comfortable owning pipeline creation and deal execution.
  • Possess strong technical acumen and communicate effectively with both technical and executive stakeholders.
  • Thrive in a fast-paced startup environment with evolving processes.
  • Have prior experience in Sales Engineering or technical product demonstrations (preferred).

Skills

Required:Enterprise B2B SaaS salesGerman languageEnglish languageTechnical acumen
Nice to have:Sales leadership / mentorshipSales engineering / product demos
Last updated Sep 30, 2026. Interested? Apply on the company site.
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About Antithesis

Bug-free systems, unlimited velocity: Unleash your agents

Antithesis de-risks agentic development of critical systems. Our platform runs your complete system, exhaustively analyzes its behavior, and exposes bugs as quickly as agents introduce them. We arm your team with a root cause and a perfect reproduction of every issue found.

Autonomous testingDistributed systems reliabilityDeterministic simulation testingProperty-based testingAutonomous testing primerTechniques to improve software testing
Company profileWebsite

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