🚀 CUSTOMER SUPPORT MANAGER (CSM) – AI SAAS | HYBRID (PARIS, STATION F)

Overview

Thunders is an agentic solution for automated testing in natural language. Founded in January 2025, we’ve raised $9M to accelerate our mission: making software testing faster, smarter, and effortless. Our fast-growing team brings together experts in AI, product, and quality engineering to reinvent how testing is done. We generate and run test plans in natural language, powered by specialized agents (UX, performance, accessibility, SEO…). The result: autonomous, intelligent tests that adapt to your product and keep up with your pace.

Job Title

Customer Support Manager (CSM) – AI SAAS | Hybrid (Paris, Station F)

What you will do

• Own the post-sales relationship — from onboarding to renewal.
• Ensure customers adopt and scale Thunders AI testing across their teams.
• Turn technical capabilities into clear business value.
• Lead onboarding, training, and success reviews that drive engagement.
• Track account health, anticipate risks, and secure renewals.
• Collaborate with Sales, Product, and Engineering to champion customer needs.
• Spot and support growth opportunities within existing accounts.
• Keep customer insights and progress organized in our CRM.

Mandatory Requirements

• Excellent English and French communication skills (written and spoken).
• Experience in Customer Success, Account Management, or Implementation within a B2B SaaS company.
• Curiosity and confidence working with technology, you enjoy learning how things work.
• Strong relationship-building skills and a genuine passion for helping customers succeed.
• Highly organized, proactive, and able to manage multiple accounts independently.
• Comfortable using CRM or success tools to track progress and measure customer outcomes.

Extra Credits

• Additional languages (German, Arabic, etc.).
• Familiarity with the SaaS ecosystem or testing/QA solutions.
• Experience collaborating with technical teams.
• A passion for AI and automation tools in your everyday work.

Why Join Thunders

• Direct impact on the growth of a fast-scaling AI startup.
• Recently raised $9M to accelerate growth.
• Opportunity to shape the customer experience at a company on the rise.
• Hybrid work with collaborative in-office days at Station F.
• Competitive salary + performance bonus + BSPCE stock options.

Additional Information

• Contract Type: Full-Time
• Location: Paris
• Experience: > 3 years
• Possible partial remote