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Lorimer Ventures
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Manager, Customer Success

Upflow

Upflow

Sales & Business Development, Customer Service
Paris, France
EUR 75k-85k / year + Equity
Posted on Mar 26, 2026

Location

Paris Office

Employment Type

Full time

Location Type

On-site

Department

Business

About Upflow

Upflow builds Financial Relationship Management (FRM) technology to help B2B companies get paid faster, more predictably, and with stronger customer relationships.

Today, the order-to-cash process remains fragmented across tools, teams, and workflows. Collections, payments, and reconciliation are often manual, reactive, and disconnected from the rest of the business. Upflow brings this entire process into one system — combining data, automation, and collaboration to turn receivables into a predictable and scalable engine.

FRM is the foundation, AI is the accelerator. Our platform leverages AI agents already operating on real financial data and customer interactions to help teams prioritize, automate, and scale decisions across every invoice and every relationship.

We serve 500+ companies across 30+ countries, including Lattice, Productboard, Veryable, and are backed by leading investors including Y Combinator, Hedosophia, Hexa, and Lorimer. With teams across the US and Europe, we’re building a category-defining company at the intersection of finance, payments, and AI.

It's a perfect time to join if you're looking for an exciting personal growth opportunity and international experience.

For more information, visit our website www.upflow.io

Your role at Upflow

Upflow is looking for a Manager of the Customer Success Team, with a clear mission: maximize merchant value, retention and expansion while building a scalable, high-performing organization. This role will report to the CEO.

As Manager of the Customer Success Team at Upflow, you will:

🚀 Own end-to-end customer lifecycle, from onboarding to renewal and expansion

  • Own and grow a portfolio of customers with clear accountability on NRR, GRR and expansion targets

  • Build and maintain reliable forecasting on renewals and expansion

  • Proactively identify and mitigate churn risks

🧠 Build a scalable CS engine

  • Define and implement segmentation, engagement models and playbooks across the lifecycle

  • Increase product adoption and time-to-value through structured programs

  • Turn CS into a data-driven function (health scores, usage signals, alerts)

🗣️ Turn customer insights into company decisions

  • Structure and elevate customer feedback into actionable insights for Product and GTM

  • Influence roadmap and strategy based on customer value signals

  • Act as final escalation owner on critical accounts

🏆 Build and lead a high-performance team

  • Lead a team across onboarding and success (EMEA + US) with clear performance standards

  • Hire and ramp top talent as we scale

  • Implement performance management, coaching cadence, and career paths

  • Ensure consistent execution across regions

  • Lead your team in a way that embodies Upflow’s operating principles and brings our vision to life in everyday execution.

This role is based in our Paris offices in Le Marais.


What success looks like (first 6–12 months)

  • NRR consistently above market trends.

  • Reliable forecast on renewals and expansion

  • Clear segmentation and playbooks rolled out

  • Strong alignment with Sales & Product on customer strategy

  • A structured, accountable CS team with clear ownership


Who you are

  • 5+ years in Customer Success in B2B SaaS, including team leadership experience

  • Proven track record of owning and improving NRR, retention and expansion

  • Strong operator: able to move from strategy → execution → results

  • Data-driven: comfortable building and using metrics, forecasts, and health signals

  • Experience working cross-functionally with Sales, Product and Marketing

  • Builder mindset: you bring structure where things are still evolving

  • Experience in international environments (EMEA/US is a plus)

  • Experience with mid-market / complex B2B stack is a strong plus

  • Fluent in English (French is a plus)

Why join us

Customer Success is becoming a core revenue driver at Upflow. You will play a central role in structuring this function as we scale.

Here what you’ll find at Upflow:

  • International Mindset: We have offices in Paris and New York.

  • Flexible working: Paris-based with hybrid office culture.

  • Exciting moment: Opportunity to join early and contribute to the Success function from the ground up.

  • All-star team: Extremely solid team with deep functional and domain expertise.

  • Learning opportunity: Strong focus on learning and growing through education and professional development in hard and soft skills.

  • Trusting environment: Hands-off management style. We have a strong culture of ownership and autonomy.

  • Competitive compensation: 75,000-85,000 EUR OTE, including 20-30% variable + equity.

  • Best in class perks: 35 paid days off, meal vouchers, cool offices, top-of-the-range equipment, great healthcare…

  • Offsites: Regular offsites with the team, meetups, and strong connections to the startup ecosystem

Recruitment process

1 - Hiring Manager interview

Our Head of CX will take a first call with you to discuss what you enjoy and what you’re looking for in applying to this position. Come with questions, we’d love to help you see yourself working at Upflow!

2 - Home assignment

It's your time to shine! You’ll be given a home assignment. Yes, it is designed to assess your skills. But it’s also designed to give you a better taste of what being part of Upflow is like. Again, hiring is a two-way street! Ultimately, we believe assignments are a great way to control our biases. We care for what you do, not your schooling, social background, or the gender you identify yourself to.

3 - Home assignment review

Your hiring manager will spend up to 90 minutes debriefing your case with you. A peer can take part in this review. Hiring managers at Upflow are looking for team players: taking and giving feedback is key to thriving with us!

4 - Meet the team!

You’ll meet up with 2-3 team members so you can foresee yourself as part of this team. 😃

5 - Founder interview

Meet with Alex (co-founder & CEO). He will tell you everything about Upflow’s vision and values. It’s a privileged moment to ask questions, too.

6 - Alignment & Offer!

If you’ve made it this far, chances are we like each other and it feels like Upflow is a place you can grow and shine over the next few years. We will align on the right way for you to come on board, and if successful in that process we will extend you an offer, and you can relax and get ready for your new job.

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Diversity & Inclusion

At Upflow, we are committed to building a diverse and inclusive workplace. We encourage all individuals to apply, even if you don’t meet every qualification. Research shows that some candidates may hesitate to apply unless they meet every requirement. However, we believe that a variety of experiences and perspectives can bring value beyond the listed qualifications. If you’re excited about what we do and feel you could contribute, we want to hear from you.