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Human Agency · 2 weeks ago

Senior UI/UX Designer - Boston, MA

United States

Full-time

Remote

Senior Level

5+ years exp

Human Agency is a rapidly scaling company seeking a Senior UI/UX Designer to lead product and web experience design. The role involves collaborating with cross-functional teams to create user-centered designs and maintain the brand’s design system while ensuring usability and functionality across various platforms.

AdvertisingDigital MarketingWeb Design

Responsibilities

Own information architecture, interaction design, and UI for client websites, web apps

Design detailed user flows, wireframes, and high-fidelity interfaces for testing and developer handoff

Create, test, and refine prototypes of varying fidelity; partner with engineering to visually QA UI through implementation

Lead end-to-end website experiences (marketing and product/microsites): structure, UX, responsive UI, basic knowledge of SEO and web performance, and accessibility

Translate brand strategy into systematized UI: typography, color, grids, motion, and component patterns

Maintain and evolve our design system and documentation to ensure consistency across products and web

Plan and conduct interviews, surveys, and usability tests; synthesize insights into clear problem statements, opportunity areas, and prioritized roadmaps

Define success metrics and incorporate findings into iterative design cycles

Be able to take research, raw information, and organize it into client-facing presentations, decks, and create clear stories to walk clients through your findings with recommendations

Work with product, engineering, and client-facing teams to define objectives, user journeys, and visual specs; communicate design vision and product strategy across the organization

Take ownership of systems; champion accessible, performant, and customer-obsessed design

Qualification

UI/UX DesignFigmaDesign SystemsUser ResearchHTML/CSS/JavaScriptAgile MethodologiesSEO BasicsWeb OptimizationAccessibility StandardsCommunication SkillsCollaboration Skills

Required

5+ years of experience combining solid visual (UI) and experience (UX) design skills

Online portfolio showing experience designing consumer-facing experiences for web and mobile

Expert-level proficiency with the Figma suite (Design, FigJam, Slides, Make), modern prototyping tools and Adobe Creative Cloud

Experience creating, managing and evolving design‑systems

Proven ability in UX thinking and research; committed to solving real user problems and delivering intuitive, accessible experiences

Strong knowledge of user-centric design principles along with web and mobile design standards and best practices

Have basic familiarity with Webflow and web languages (HTML, CSS, JavaScript), as well as an understanding of modern front-end frameworks (e.g., React, Tailwind) in order to collaborate with engineers on integration and release

Experience working in agile, cross‑functional teams

Strong communication and collaboration skills in English