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Newton

Principal, User Experience

Newton

. Own and evolve the agent-to-human interface for media .

Posted 10/31/2026full-timeRemote • United StatesLead💰 $180,000 - $220,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in designing user-centric digital products for B2B and enterprise SaaS, with a strong focus on data visualization and workflow-heavy interfaces. Proven ability to lead and mentor design teams while collaborating effectively with cross-functional partners.

Highest-signal resume keywords
10+ Years Designing Digital ProductsExperience Leading Design for Full Product SurfaceFluency With Modern Design and Prototyping ToolsTrack Record of Shipping Alongside EngineeringAdtech, Martech, Marketing Analytics Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
User Experience DesignData VisualizationWireframingPrototypingDesign System DevelopmentCausal ModelingOptimization RecommendationsUsability ResearchScenario PlanningIncrementality Results
Soft Skills
Excellent CommunicationStorytellingMentoringLeadership
Tools & Technologies
AI ToolingPrototyping ToolsDesign Software
Industry Keywords
B2BEnterprise SaaSAI-Native Product DesignAgent-to-Human InterfaceMarketing Analytics

About the role

Key responsibilities & impact
  • Own and evolve the agent-to-human interface for media
  • Own the end-to-end user experience across Newton's platform, including planning, buying, measurement, and agentic workflows
  • Make causal models, incrementality results, scenario plans, and optimization recommendations clear to non-technical decision makers
  • Design approval and control experiences for governed agent action
  • Create wireframes, high-fidelity designs, and interactive prototypes; pair closely with engineering through implementation
  • Build and maintain Newton's design system and front-end design standards
  • Conduct research and usability work with customers and translate findings into design and product direction
  • Partner with product, data science, sales, and marketing
  • Hire, mentor, and lead a growing design team
  • Set the direction for AI-native enterprise software interfaces

Requirements

What you’ll need
  • 10+ years designing digital products, with deep experience in complex B2B or enterprise SaaS
  • Demonstrated ability to lead design for a full product surface, not just features
  • Experience leading or mentoring other designers, and appetite to build a team from a small base
  • Portfolio showing data-dense, workflow-heavy interfaces made genuinely usable; data visualization craft is a strong plus
  • Fluency with modern design and prototyping tools
  • Comfort prototyping in code or with AI tooling
  • Track record of shipping alongside engineering in a fast-moving environment, with a real design system
  • Excellent communication and storytelling
  • Adtech, martech, marketing analytics, or other quantitative domain experience is a strong plus
  • Point of view on AI-native product design

Benefits

Comp & perks
  • Equity
  • Periodic travel to Needham for team and customer sessions