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.