UX/UI Designer

About the position

SES AI is looking for a seasoned UX/UI Designer who is excited about the opportunity to join an early-stage startup and shape the experience of our platform and brand. In this role, you’ll report to our Chief Technology Officer and work closely with our development team to create the subsequent versions of our application, which means you’ll get to lead the design of our product and iterate over time based on user research and customer feedback. You will be the first full-time designer to join our growing team, so you’ll need to be comfortable spending time both designing our product and engaging in our early marketing efforts. You will largely work with internal team members on these efforts (e.g. developers, strategists, and leadership), though you’ll interface with potential customers, stakeholders, and vendors as well. We’re looking for someone who can grow a scalable design system that we can apply across our product, website, marketing collateral, and other channels. You’ll translate user research findings and feedback from potential customers and stakeholders into intuitive, accessible, and user-friendly designs. This position will be based in our Woburn, MA location.

Responsibilities

• Create, maintain, and evolve a scalable design system with a focus on usability, accessibility, and consistency.
• Design user-friendly, accessible, and visually compelling interfaces for our product.
• Conduct user research, usability testing, and feedback sessions to inform design decisions.
• Develop wireframes, prototypes, and high-fidelity mockups that align with user needs and business goals.
• Work closely with internal team members to ensure seamless implementation of design elements.
• Balance product design priorities with marketing design needs in a dynamic startup environment.
• Stay updated on UX/UI best practices, design trends, and best practices.
• Refine a cohesive brand identity for our company across digital and print media.
• Support website design and development efforts to enhance user experience and brand engagement.
• Create marketing materials such as website graphics, social media visuals, investor decks, and advertisements.
• Create engaging visuals for educational content, infographics, and promotional campaigns targeted at healthcare professionals and patients.
• Support the design of email templates, pitch decks, and other materials for fundraising and outreach efforts.

Requirements

• Authorized to work in the U.S.
• Located in or near Boston, MA or willing to relocate.
• 5+ years of experience in UI/UX design.
• Strong portfolio showcasing user-centered design work, including web and mobile applications (available online for review).
• Collaborative and open-minded, eager to contribute to team success while continuously learning and iterating on designs based on feedback.
• Ability to balance design thinking with business and marketing needs.
• Excellent presentation and communication skills.
• Experience conducting user research, usability testing, and implementing feedback-driven improvements.
• Strong understanding of design principles, accessibility standards, and responsive design.
• Ability to work both independently and collaboratively in a fast-paced startup environment and adapt to changing priorities.
• Experience designing for accessibility (WCAG, ADA compliance).
• Basic knowledge of front-end development (HTML, CSS, JavaScript) to facilitate collaboration with engineers.
• Experience creating branding and marketing materials.

Benefits

• Company paid Health and Dental insurance (ability to add dependents)
• Global travel insurance for employees traveling while on business
• Company sponsored retirement plan with 100% vesting and up to 5% match.
• Life and AD&D Insurance
• Employee Assistance Program
• Six Paid Holidays, and one floating holiday per a quarter equivalent to 4 per calendar year
• 10 accrued vacation days per calendar year that increases with tenure.
• Bonus + Equity, based on position and eligibility requirements