MastraFounding Product Designer
AI in this role
Mastra has a highly capable engineering team, and our pace of development has sometimes meant that design has had to catch up.
Our platform and studio have been designed mostly by our engineering team. They look pretty, but we don’t have a standardized set of interaction patterns, nor have we really ironed out these flows until they shine.
That’s your job.
What you will do
Develop a deep understanding of the Mastra framework and platform, including how different features work together and which interaction patterns best support each use case.
Watch screen recordings, talk to users, watch recordings, figure out where people are getting stuck and what's confusing for them.
Continuously research emerging interaction patterns, developer tools, and best-in-class products to inform your work.
Think from the perspective of a developer and identify the highest-impact opportunities to improve the user experience across Mastra Studio and the Mastra Cloud platform.
Work closely with the product team to understand the roadmap, clarify requirements, and address the most important user problems.
Build and maintain a robust design system in Figma, working closely with the front-end team to ensure consistency across Storybook and the implemented product.
Figure out how to simplify the Figma-to-code workflow to accelerate prototyping, and reduce the gap between design and implementation.
About you
You have at least four years of experience designing software products. Alternatively, you have a strong track record in an adjacent discipline, such as brand or web design, and have recently transitioned into product and UX design.
You have experience building and maintaining design systems. Mastra's design system is lean and lightweight, but it supports many surfaces and needs to evolve quickly.
You've worked with developer products before, and you have some understanding of the nuances of agentic products as well.
You're able to communicate and collaborate well and iterate quickly in a remote / somewhat async culture. You need to be able to propose and sometimes implement iterative fixes without stopping the world while you're figuring out the answer.
You're able to work through a problem until you've figured out all the different things that simultaneously need to be true of the solution, and craft one accordingly.
About Mastra
Mastra is the open-source TypeScript framework for building AI agents. Built by the team behind Gatsby, backed by Y Combinator and Spark Capital, with $35M raised total. We went from 0 to 27k+ stars and 1M+ weekly npm downloads in under 18 months.
Small team, shipping fast, fully remote. Most of us work across North American and European time zones.
How we score this
Founding Product Designer at Mastra scores 64 out of 100 for how much of the daily work is AI. That makes it AI Level 3 of 4 (Works on AI). The level is about AI in the job, not seniority.
AI Level 3. The daily work is on or around AI systems, without necessarily building the model: remove AI and the job is hollow.
- AI Level 480 to 100
- AI Level 360 to 79
- AI Level 240 to 59
- AI Level 10 to 39
Bands come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.
Prepare for this job
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Skills and AI tools this role asks for
Questions you could be asked
- How do you decide when an AI agent can act on its own versus asking for approval first?
- Describe a typical day in a role like this one: which parts run through AI directly?
- If you removed AI from this role, what would be left, and how do you decide what still needs a human?
Adapt your resume
- List these exact terms on your resume: AI Agents. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them — a tool named with nothing behind it rarely survives a human read.
- Show where AI is part of your daily process, not a one-off project — this role expects it to be a running habit.
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