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Fifty5Blue
Product ManagerFifty5Blue • London Area, United Kingdom, United Kingdom
Product Manager

Product Manager

Fifty5Blue • London Area, United Kingdom, United Kingdom
9 days ago
Job type
  • Full-time
Job description

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


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.


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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Product Manager • London Area, United Kingdom, United Kingdom

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