About Gladia
Gladia builds the audio AI infrastructure behind the new generation of voice products. Our mission is to give every voice platform true conversational intelligence — the audio infrastructure that understands every conversation, turning voice into the world's most valuable data layer.
Our API turns real-world conversational audio into accurate, structured, real-time output — powered by our proprietary Solaria ASR, across 100+ languages, with industry-leading latency.
Hundreds of companies build their voice products on Gladia — from meeting assistants and voice agents to sales-enablement and contact-center platforms. We started in Paris, our growth is developer-led and heavily US-driven (and we're going after the US market hard).
Headquartered in vibrant tech hubs like Paris and New York City, Gladia has been acquired by OVH Groupe — Europe's leading cloud provider — and now operates as a fully autonomous brand and company within the Group.
We're guided by four values:
Honest — Say the real thing, kindly.
Smart — Work smart, ship fast.
Builders — Own your scope, build to last.
Caring — Support people, take pride in the craft.
The role
We're looking for a Senior Customer Success Manager to own the relationship with our most strategic customers and make sure they succeed at every step — from onboarding and integration to adoption and long-term value.
You'll be the main point of contact for our customers' technical and product teams, helping them understand, adopt, and scale with our API. The role is hands-on and cross-functional: you'll work closely with Sales, Support, Product, and Engineering to drive customer outcomes.
We're an API-first company, so we're looking for someone who thrives in a technical environment and is obsessed with customer value, satisfaction, and retention. As an AI company, we also expect you to use AI every day to work smarter and serve customers better.
What you'll do
Build a Customer Success structure that works
Be our customers’ day-to-day point of contact and give them the support they need, when they need it
Set up and improve our CS playbooks, onboarding flows, tooling, and metrics
Own the customer lifecycle
Lead end-to-end onboarding for new accounts: setup, training, integration, and early activation
Run regular check-ins with your customers, plus business reviews (QBRs) to show the value they get from Gladia
Monitor usage and proactively support customers to drive adoption and remove friction
Catch churn early
Build a system that surfaces early signs of churn (usage drops, health scores, support signals)
Act on those signals quickly to keep customers healthy and satisfied
Understand each customer’s goals and help them reach them faster with Gladia
Be the customer’s ears inside Gladia
Collect customer needs and feedback, and bring them to Product in a structured way to shape the roadmap
Know our roadmap well and dig into it to give customers clear answers on what’s coming
Become a trusted advisor to technical stakeholders, product leads, and executives
Use AI to scale Customer Success
Use AI tools to automate repetitive work and improve CS workflows (account research, meeting prep and notes, QBR preparation, reporting)
Use AI to improve the service we give customers: faster and more accurate answers, better self-serve resources, and earlier detection of churn signals
Who you are
4–7+ years in Customer Success or Technical Account Management
Previous experience with an API-first or developer-facing product
Obsessed with customer satisfaction and retention: you spot risks before they happen, make sure customers get maximum value from the product, and build long-term, trust-based relationships
You've managed a portfolio of strategic or enterprise customers and driven measurable value for them
Excellent communicator — you know how to talk to developers, product managers, and executives
Organized, autonomous, and process-driven — you're always two steps ahead
A daily, hands-on AI user: you’ve already used AI tools to make your work or your customers’ experience better
Fluent in English and French
What Gladia offers
The compensation offered is based on seniority and experience, and would typically range from €50K to €75K base salary
Hybrid work from our offices in the heart of Paris (no compulsory office days)
Lunch vouchers (approx. 200€/month)
An allowance of 360€/year for your sports activities
An allowance of 300€ for the adaptation of your workstation
Health insurance (100% coverage) and a pension contract for you & your family
Flexible vacation policy
Please submit your application in English. It’s our company language so you’ll be speaking lots of it if you join.
We treat all candidates equally - if you’re interested please apply through our careers portal.
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