UI Product Designer

Proton.aiCambridge, MA or EU RemoteProduct Management

Apply on company site

Opens the official Proton.ai careers page

Salary

$80K - $100K USD

Job type

Full-time

Work mode

Remote

Posted

19 Aug 2026

Status

Open · checked 7d ago

About this role

Role Overview

Proton.ai is hiring a UI Product Designer for a hybrid role in Cambridge, Massachusetts or for remote work across the European Union. This position suits a skilled visual and systems thinker who wants to shape AI-driven workflows for the wholesale distribution industry.

Key Responsibilities

Build interactive prototypes using coding assistants like Cursor and Claude Code to test experiences before final commitment.

Lead the creation and maintenance of the company design system, ensuring consistent components and interactions across all software offerings.

Establish visual and functional patterns for human-AI collaboration, defining how users trust and interact with intelligent agents.

Collaborate within an agentic scrum framework that focuses on rapid shipping cadences alongside product managers and engineers.

Conduct direct customer research by observing sales representatives and warehouse operators in their working environments.

Requirements

Exceptional visual craftsmanship with a strong command of typography, color, layout, hierarchy, and iconography.

Demonstrated experience taking products from initial concept to a successful public launch.

Practical, daily utilization of AI tools such as Claude Code or Cursor to build and deliver real digital work.

Portfolio showcasing end-to-end design achievements, particularly the redesign of complex legacy workflows.

Strong systems thinking capabilities to author cohesive design rules that teams can scale across multiple screens.

Practical understanding of agile environments and a strong desire to engage directly with users.

Nice to Have

Background designing complex B2B, enterprise, or ERP-adjacent applications with heavy daily usage.

Prior involvement building agentic software focusing on trust, oversight, and handoff mechanisms between humans and AI.

Experience working in fast-paced, early-stage software-as-a-service startups.

Skills and Tools

LLM

Figma

Claude Code

Cursor

Design Systems

Salary and Benefits

Base compensation ranging from $80,000 to $100,000 per year, determined by experience level.

Performance bonuses and company stock options.

Flexible working schedule paired with high professional autonomy.

Unlimited paid time off alongside ten company-paid holidays.

Twelve weeks of fully paid parental leave covering primary and secondary caregivers, adoption, and fostering.

Annual company-paid team offsites.

About the Company

Proton.ai develops the artificial intelligence operating system tailored for wholesale distribution, combining CRM, PIM, eCommerce AI, and quote management into a unified platform. Supported by Felicis Ventures and Battery Ventures, the firm equips hundreds of distributors ranging from family enterprises to publicly traded organizations with modern software tools.

How to Apply

Interested candidates should visit the official Proton.ai careers page to submit an application.

Skills and tech stack

LLM Figma

Questions candidates ask

Where is this UI Product Designer position located?

The role is available as a hybrid position in Cambridge, Massachusetts (requiring three days a week in Harvard Square) or as a remote position based anywhere within the European Union.

What is the salary range for this role?

The base salary ranges from $80,000 to $100,000 per year depending on experience, with additional bonuses, equity, and benefits. EU offers are benchmarked against the local market.

What tools are required for prototyping?

Candidates must use AI coding assistants like Claude Code or Cursor daily to build and test concepts in real code alongside Figma.

What benefits are provided?

Benefits include stock options, flexible scheduling, unlimited paid time off, ten company-paid holidays, twelve weeks of fully paid parental leave, and annual company-paid offsites.