Product Manager - Saas B2B User Experience
Location: Paris | Employment Type: [Full-time] | Team: Product
About Lefty.io
Lefty is the leading end-to-end Influencer Marketing Platform trusted by the world’s top Luxury and Lifestyle brands to discover, manage, and measure their top-performing influencer programs. We provide cutting-edge technology and data-driven insights to help our clients maximize their ROI in the dynamic world of social media and content creation.
We're growing fast in a booming market, and we're looking for an experienced Product Manager to join our product team.
Role overview
As a PM, you are the connective tissue between user needs and technical execution. You work within a cross-functional environment and own your initiatives end-to-end — from scoping to production.
You'll collaborate daily with Designers, Engineers but also with the rest of the organization (CSMs, AMs, Marketing, Sales, and Consulting), translating complexity into clarity for every audience.
What You'll Do
Core responsibilities:
Write clear, actionable specifications for the engineering team
Create user flows and diagrams to frame user journeys
Write designer briefs and collaborate closely with designers
Build impact maps and story maps to structure initiatives
Break down features into deliverable stories and prioritize the backlog
Think systemically about each feature's impact on the overall product
Test features in pre-production and uphold delivery quality
Present regular progress reports on ongoing initiatives
You'll also regularly:
Analyze data to inform product decisions
Form hypotheses and define how to validate or invalidate them
Communicate feature updates internally and externally (team, management, clients)
Facilitate design workshops and Agile rituals
Conduct user interviews to deepen your understanding of customer needs
Who you are
Must-haves:
5+ years of Product Management experience, ideally in B2B SaaS
Proficiency in product structuring tools: user flows, story mapping, impact mapping
Ability to write precise specs and actionable designer briefs
Strong UX sensibility and systemic product thinking
Excellent collaboration skills: equally at ease with Engineering, Design, CSM, Sales, Marketing, and Consulting team
Autonomous, rigorous, and comfortable in high-standards environments
Bonus:
Experience with product analytics tools (PostHog, Google Analytics, etc.)
Interest in influencer marketing and social media ecosystems
Prior experience in a B2B SaaS environment with complex multi-stakeholder products
Appetite for AI and workflow automation tools
The details
Paris - hybrid (3 days in office/2 days remote)
Clients include the world's top luxury houses and top brands
High-growth context — 3x revenue target over 5 years
Interview Process
Step 1 - HR interview (45 min): overall fit
Step 2 - CPO call (30 min): product mindset and technical depth
Step 3 - Live case study (2h): structured thinking and collaboration
Step 4 - CEO interview (1h): strategic vision and culture fit
To apply, send us your CV along with a short description of what past experiences make you the perfect fit for this role.
- Division
- Lefty
- Locations
- Paris - Vaugirard
- Remote status
- Hybrid