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Principal Product Designer

Smarkets 🇬🇧 City of London, London, United Kingdom

Full-time Principal

Own product design from discovery through delivery, defining design direction and creating clear, polished experiences across prediction and betting markets. Research user needs, prototype and test concepts, improve design systems, and raise design quality through collaboration with leadership, product, and engineering teams.

Responsibilities

  • Own product design from discovery through delivery, defining design direction and creating clear, polished experiences across prediction and betting markets. Research user needs, prototype and test concepts, improve design systems, and raise design quality through collaboration with leadership, product, and engineering teams.

Requirements

  • Candidates should have at least six years of consumer product design experience, ideally in early-stage companies, and a portfolio demonstrating systemic thinking and attention to detail. They should be proficient in iOS, Android, and web design, Figma and AI coding tools, and bring strong communication, research, prototyping, strategic thinking, and ability to work through ambiguity.

Benefits

  • Stock Options
  • Pension Scheme
  • Health Insurance
  • Enhanced Parental Leave
  • Meals And Refreshments
  • Cycle-To-Work Scheme
  • Learning And Development Budget
  • Paid Holiday
  • Flexible Working
  • Team Socials And Events

Key Skills

Consumer product design iOS design Android design Web design Figma AI coding tools User research Prototyping Strategic thinking Ambiguity navigation Communication Collaboration with leadership Collaboration with product teams Collaboration with engineering teams Design systems improvement Discovery phase Delivery phase Design direction Polished experiences Prediction market knowledge Betting exchange knowledge Linux Kafka Postgres Kubernetes Rust C++17 Python React

About Smarkets

Smarkets operates one of the world's largest prediction market and sports betting exchanges — processing $billions in annual volume across 1M+ customers in regulated markets worldwide. Founded in 2008, we've spent 18 years building the infrastructure for how the world prices uncertain events. Our exchange consistently delivers the sharpest prices available, powered by proprietary market-making technology and deep liquidity provision. We're a technology company at our core. Our platform is built on Linux, Kafka, Postgres, and Kubernetes, with performance-critical systems in Rust and C++17, and product surfaces in Python and React. We build infrastructure that institutions trust while keeping it accessible to everyone. We've survived every cycle, every competitor, and every "revolution" in this industry. Our edge: market design beats marketing, and liquidity beats everything. Team of 100+ across London and Malta. Licensed and regulated across multiple jurisdictions. We're hiring eng

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