Lead Product Designer

About Siena

Siena is building enterprise empathic AI Agents powered by reasoning-adept LLMs. Siena is the first AI Agent of its kind, designed to integrate with existing systems and interact with customers across multiple channels from a single, unified platform.

If you’re excited about the intersection of human-to-machine communication and want to be part of a team driving innovation and making a real impact in automating agentic workflows, join us on our mission to revolutionize customer experience through empathetic AI.

Some of our values

We’re not big on corporate-speak, but here’s what matters to us:

• We put customers first: We work hard to understand our customers. We try to put ourselves in their position and do more than they expect.

• We’re direct and honest: We believe in straightforward, truthful communication. We say what we think, clearly and respectfully.

• We try new things: We’re not afraid to do things differently if it means finding better solutions.

• We step up: When we see a chance to make a difference, we take it. We trust ourselves to decide and take responsibility for what happens.

• We’re quick on our feet: We adapt to changes and challenges. We see them as chances to learn and grow.

• We stay curious: We ask questions and explore new ideas. What we learn helps us keep growing.

• We own it: We’re all owners here. We take charge, make the call, and own the outcome.

About the Role: We’re looking for a passionate and versatile Product Designer to drive the creative vision and execution of our product design. As the primary designer at Siena, you’ll have the unique opportunity to shape our product and influence re-designs. Reporting to the Director of Product, you’ll be partnering with Product and Engineering to solve complex design challenges and setting the foundation for the future of the design team.

Key Responsibilities:

• Lead the end-to-end design process, from problem definition and user research to high-fidelity prototypes and final UI

• Establish and evolve our design system, ensuring consistency across web and mobile platforms

• Conduct user interviews, develop customer profiles, and use these insights to guide design decisions. Analyze user feedback and product data to continuously enhance the user experience

• Collaborate closely with product and engineering teams to ideate, design, and iterate on new product features

• Create user journeys, wireframes, and high-quality visual designs using tools like Figma

• Contribute to the company’s overall product strategy and vision

What We’re Looking For:

• 6+ years of product design experience with a strong portfolio showcasing your work.

• Expertise in UX best practices, interaction design, and visual design principles.

• Proficiency in Figma and the ability to craft high-quality, intuitive user experiences.

• Strong communication skills to effectively articulate design decisions to both technical and non-technical stakeholders.

• Experience working in fast-paced, agile environments.

• Self-driven and able to manage multiple projects independently, with a strong sense of ownership.

• Excited to be the primary design voice in a growing startup, shaping the product’s creative vision and strategy.

• Comfortable collaborating closely with Product and Engineering teams, and influencing product direction.

• Passionate about staying up-to-date with design trends and pushing for high-quality execution.

• Eager to build a cohesive design system and contribute to establishing a strong design culture.

Nice-to-Haves:

• Experience establishing creative vision within a company or team.

• Familiarity with front-end technologies (HTML, CSS, JavaScript) to better collaborate with engineers.

• Interest or experience in AI and its applications in product design.

Why Joins Us

We’re a startup. We can’t offer you fancy offices or extra perks. But here’s what we can offer:

• Real impact. Your work will directly shape our product and company.

• A seat at the table. In a small team, every voice matters. Yours will be heard.

• Freedom to work your way. Home, coffee shop, moon base - if you’re productive, we’re happy.

• Top pay. Competitive salary and an opportunity for equity or stock grants.

• Time off when you need it. Take at least 15 days. More if you need it.

• Budget to keep learning. Because if you’re not growing, we’re not growing.

• The chance to build something from the ground up. This is the time when what you do has the biggest impact.

• Problems worth solving. We’re reshaping how work gets done.

At Siena, we’re not just looking for people who can do a job. We’re looking for people who want to break boundaries, create the future, and reshape industries. If that’s you, we look forward to your application.

Siena provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, sexual orientation, gender identity, or gender expression. We are committed to a diverse and inclusive workforce and welcome people from all backgrounds, experiences, perspectives, and abilities.