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OVERVIEW
NEXT is the newly launched innovation hub inside Fifty5Blue, the global leader in media measurement and analytics operating in more than 80 countries. NEXT is a new, ring-fenced innovation unit being built from the ground up, with a clear mandate to launch the next generation of AI-native audience-intelligence products — modernizing our cross-media engine, expanding our audience measurement solutions, and investing in AI capabilities.
Why join this incredible program? NEXT is being built from the ground up - you will shape both the product and the operating model. Flexible work model: London (one pod is being built in our London office) or fully remote with regular travel for in person collaboration. Hybrid by default; we trust our teams to find the right balance.
THE ROLE
We're hiring a senior Product Manager to own a portfolio of new product initiatives: leading R&D, building the products working hand-in-hand with the data scientists and software engineers, engaging directly with client teams and internal customers, and bringing methodological rigour to a fast-moving development team.
KEY RESPONSIBILITIES
Portfolio ownership
- Own product strategy and roadmap for 4-5 initiatives (e.g. cross-media measurement, behavioural panel data, AI-native use cases)
- Translate Fifty5Blue's existing panel and methodology assets into new product opportunities; and partner closely with the existing organization to bring new solutions to life
- Maintain the connection between NEXT pilots and Fifty5Blue's currency-grade methodology standards — radical experimentation does not mean methodological shortcuts.
- Drive ownership and accountability for product delivery, managing risks and making product decisions for the team.
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Design-partner & customer engagement
- Lead the product relationship for client funded proof-of-concepts through delivery and eventual scaling
- Convert customer pain points into structured product hypotheses with clear validation criteria, working closely with a commercial product lead to understand our key markets, customer segments, and drive strong product-market fit.
Cross-functional leadership
- Work alongside NEXT’s data scientists and engineers in 6-week sprint cadence; demo at the end of each sprint.
- Coordinate with Fifty5Blue's panel operations, methodology, and commercial teams
- Carry initiatives through the Hub's five-stage cycle (Discover → Design → Build → Pilot → Scale) with explicit GO and KILL criteria at each gate.
CAPBILITIES AND EXPERIENCE
What You’ll Bring (Required)
- Proven product management experience, with extensive audience measurement knowledge, media analytics, or adjacent data products.
- Direct, hands-on familiarity with panel-based measurement methodology and the trade-offs between panel and big-data approaches.
- Experience leading paid customer pilots with major platforms, broadcasters, agencies, or advertisers.
- Strong written and verbal communication; you can write a one-page product brief that an engineer, a methodologist, and a CMO can all act on.
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Preferred Experience
- Prior experience in a cross-media measurement role (linear + digital + social + CTV); experience building data-heavy solutions and SQL querying
- Working knowledge of behavioural panel design, consent frameworks, and applicable privacy regulation (GDPR, CCPA, state laws).
- Familiarity with applied AI in measurement contexts (LLMs for content classification, synthetic panels, model validation).
- Experience with data platforms such as Databricks, snowflake or other cloud native solutions (GCP big query, AWS sagemaker).
- Solid understanding of agile practices. Any experience in SAFe is considered a plus.
How we work
Fifty5Blue’s core values are: Clarity, Independence, and Impatience. At NEXT, we live those values – moving at pace, with high degree of transparency and collaboration, and a commitment to testing and failing fast. We move in weeks not months, days not weeks; we make decisions quickly and in the open; we celebrate good kills as much as good launches.
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