Role: Product Design Intern

Company: S3 Markets

Location: Remote (Austin, TX | CT Working Hours)

Type: Internship

Cohort Time: February–April 2026 or September–November 2026

About S3 Markets

S3 Markets is catalyzing the transition to a net-zero emissions economy by creating solutions where materials are lower cost and lower carbon. The company focuses on developing innovative financial and industrial tools that support sustainable markets and climate-aligned growth through technology and strategic collaboration.

About the Role

As a Product Design Intern at S3 Markets, you’ll have the opportunity to help shape how users interact with sustainable financial and materials technology. You’ll work closely with product and technical teams to translate complex systems into intuitive, user-centered designs that drive climate innovation and adoption.

Key Responsibilities

• Assist in designing and refining product interfaces, workflows, and visual assets.
• Collaborate with engineers and business stakeholders to align design goals with product strategy.
• Support wireframing, prototyping, and testing to enhance user experience.
• Conduct light research on user behavior, design trends, and sustainability technology.
• Contribute to documentation and presentation of design solutions.

What We’re Looking For

S3 Markets values creativity, analytical thinking, and teamwork. The ideal intern combines a user-centered mindset with the ability to collaborate effectively in a cross-functional environment. Strong communication skills, attention to detail, and curiosity about sustainability-driven innovation are essential. You should be eager to learn and able to translate ideas into clean, thoughtful design outcomes.

Bonus Skills

• Basic technical or design software proficiency (e.g., Figma, Adobe XD, or Canva).
• Interest in climate technology, sustainability, or product innovation.
• Understanding of UX/UI design principles or visual communication.

Why Join S3 Markets

This internship offers the chance to apply your design skills to real-world sustainability challenges while learning from an interdisciplinary team of innovators. You’ll gain experience designing for impact—creating tools that help industries and communities transition toward a lower-carbon, more resilient future.