Senior Product Manager

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PRODUCT

Senior Product Manager

Own the HUDEX product roadmap and turn complex analyst workflows into a category-defining platform

5+ YEARS, SENIOR

FULL-TIME

ON-SITE IN PARIS

About Arlequin

Arlequin is building the sovereign European alternative to Palantir: an AI platform capable of processing massive data volumes without bias, with high-impact use cases such as fighting disinformation. Founded in late 2024 by Hugo Micheron (researcher in geopolitics and systemic risk) and Antoine Jardin (CNRS research engineer).

You’ll join Arlequin as our first Senior Product Manager to bring structure and direction to HUDEX, our platform that lets non-technical analysts interpret narrative dynamics and high-stakes patterns across massive, multilingual, unstructured datasets. Our customers operate in security, defense, financial services, strategic communications, compliance, audit and investigations — environments where the cost of a confusing workflow or a missed insight is high.

You’ll work directly with the founders, the Head of Engineering, our future Product Designer, and the research team to turn deep customer problems into a coherent roadmap. You’ll spend real time with analysts and procurement stakeholders in sensitive sectors, translate that context into clear specs, and prioritize ruthlessly in an environment where the product, the market, and the packaging are still being defined.

What this person will do

Own the HUDEX product roadmap end to end, from discovery to shipped feature to adoption

Run deep discovery with analysts and decision-makers in security, defense, financial services, and strategic communications to turn ambiguous, high-stakes workflows into clear product problems

Write specs and prioritize alongside engineering, research, and design, balancing fast-moving opportunities against a small handful of strategic multi-quarter bets

Define how the product is packaged and positioned as we move from early adopters to broader public and private sector accounts

Partner closely with sales and forward-deployed teams to turn field feedback and deal-specific requirements into durable product decisions rather than one-off fixes

Define and track the product metrics that matter for adoption and renewal, and bring that signal back into prioritization

Help build the product function itself: rituals, documentation, and how product, design, engineering, and research work together as the team grows

5+ years of product management experience, including ownership of a complex, data-intensive or analytical product

Comfortable being the primary interface with technical, security-sensitive, or public-sector customers, and translating their needs without oversimplifying

Strong judgment on what to build now versus later, in a context with limited historical data and an evolving go-to-market

Comfortable working closely with engineering and research on technically demanding problems (AI/ML outputs, large-scale data, visualization of complex structures)

Excellent written communication: clear specs, clear tradeoffs, clear rationale

Comfortable operating without a fully established playbook, in an early-stage, fast-changing environment

Professional English

Bonus

Prior experience in security, defense, intelligence, financial services, or strategic communications

Experience in an AI-native or data platform startup

Already comfortable in an early/mid-stage startup environment

Experience building a product function or design system from scratch

Professional French

Process (~2–3 weeks)

Screening (20 min)

Fit interview (45 min)

Case study on a real HUDEX product problem + debrief (1h)

Culture fit with the founders (1h)

Reference calls

Offer

Package

Competitive compensation including equity stake

On-site central Paris

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