Lena Bergström

Staff Engineer — Frontend Architecture

Remote (Europe) · CET

About

Frontend systems expert focused on design systems, performance, and the frontend/AI intersection. Previously Staff at Figma and Vercel. Helps teams build UI platforms that support AI-native product experiences.

Highlights

Built Figma's component library used by 4M+ designers globally
Led web performance initiative cutting LCP by 60% across Notion's marketing surfaces
Designed streaming UI architecture for AI-native features at sub-100ms TTFB

Skills

Frontend ArchitectureDeveloper ExperienceSystem DesignAgentic Systems

Previously at

FigmaVercelNotion

Availability

Available in 2–4 weeks

Rate

$190–230/hr

Experience

7 years

Open to

ContractPart-time advisory

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✓Vetted by staffeng.co

This engineer has passed our technical review, including system design assessment and reference checks with prior colleagues.