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Mustard Systems

Mustard Systems

Pricing models for bookmakers and bettors

Market Access Product Owner

Full-Time
No salary listed
Mid
Hammersmith, London, UK
Hybrid

Hybrid role in Hammersmith, with travel to suppliers for a few days 2–3 times a year.

About the job

Requirements
  • Previous product ownership experience, ideally in a technology business-to-business or trading environment.
  • Ability to make decisions about product direction when technical or delivery feasibility requires trade-offs.
  • Experience building and maintaining relationships with external stakeholders.
  • Ability to set and own functional and non-functional requirements.
  • Ability to learn product context quickly and maintain a drive to improve.
  • Strong judgement about detail, including identifying important details, checking them carefully, and catching issues before they become business problems.
  • Willingness to travel for a few days two to three times a year to meet suppliers.
Responsibilities
  • Set the strategic vision for growing access to global liquidity sources.
  • Discover and build relationships with business-critical suppliers and manage their expectations alongside internal stakeholders.
  • Build and oversee operations and monitoring to ensure efficient day-to-day use of the products.
  • Define the required outcomes for trading systems and work with developers to translate them into deliverable technical specifications, including non-functional requirements.
  • Represent business needs to the team, curate and prioritize the backlog delivered in fortnightly sprints, and own when work can be considered complete.
  • Contribute to the wider product vision as part of a team of three product owners and a Head of Product.
  • Represent trading needs to external suppliers and understand their constraints.
Desired Qualifications
  • Product ownership experience for a product with no obvious user interface, such as an application programming interface.
  • Comfort using Python and Jupyter notebooks, with artificial intelligence assistance where useful, to analyze product performance.
  • Understanding of value betting.
  • Interest in cricket.

About the company

Mustard Systems is a London-based analytics company that builds pricing models and uses them to provide services to bookmakers and professional gamblers. The core product is a suite of pricing models that inform decisions, risk assessment, and betting-related services for clients. These models are applied through client-specific services and bespoke analyses, turning model outputs into actionable betting and pricing strategies. The company differentiates itself by combining a heritage of quantitative research and software with a young, ambitious team, enabling both rigorous data-driven methods and agility in execution. Mustard Systems aims to leverage evolving market conditions to grow its client base and expand its range of pricing-related services in both the short and long term.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

London, United Kingdom

Founded

2014

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Simplify's Take

What believers are saying

  • Open 2026 roles in cricket and data science show active investment, not retrenchment.
  • Jamie Green joined as Head of Product, Cricket in January 2025, signaling focus.
  • The company says it employs about 50-55 people, indicating meaningful operational scale.

What critics are saying

  • DraftKings' 2024 golf acquisition stripped a revenue line and narrowed Mustard's product breadth.
  • Cricket concentration leaves results tied to one sport, one season, and a small client base.
  • If a major bookmaker internalizes cricket pricing, Mustard loses its core B2B wedge.

What makes Mustard Systems unique

  • Mustard Systems sells sports pricing models, not generic SaaS, and runs trading desks too.
  • Its 2026 hiring centers on cricket computer-vision data pipelines, a rare niche capability.
  • DraftKings bought its golf pricing business in October 2024, validating proprietary trading IP.

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Benefits

Health Insurance

Life Insurance

Paid Vacation

Sabbatical Leave

Flexible Work Hours

Hybrid Work Options