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Senior Design Engineer, Design System

Vinted

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This role sits on the team behind Bloom, Vinted's design system. You'll make sure AI agents can build high-quality, on-brand outputs with Bloom, and own the relationships with the designers and engineers who use it.

What you'll do

  • Define how Bloom looks and works for AI-assisted building, from foundations to documentation
  • Lead the system design of AI tooling, including MCP servers and agent skills
  • Own evals: design them, improve them and monitor output quality
  • Build working tools and prototypes to test ideas with real users
  • Own relationships with teams who use Bloom and prioritise what to build
  • Keep the visual and quality bar high for member-facing experiences
  • Help designers grow into design engineers through pairing and review

What we're looking for

  • 5+ years experience in design, engineering or both, shipping complex products or systems
  • Hands-on experience building tools and prototypes in code
  • Fluent use of AI-assisted tools while critically assessing their output
  • Experience shipping and owning AI features or internal AI tooling
  • Experience owning customer outcomes: prioritising, evaluating prototypes, making trade-offs
  • Experience designing complex systems with strong visual and interaction quality
  • Experience helping others grow through pairing, reviews or sharing practices
  • Excellent written and spoken English
  • Strong collaboration with designers, engineers and product partners
  • Portfolio or work samples showing contribution, trade-offs and impact after launch

Nice to have

  • Having built a working AI-ready design system

Good to know

  • Hybrid model with 2 recommended office days a week
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