Senior Product Designer

Test Sprite is building the world's most advanced AI-powered software testing agent — helping developers and QA teams plan, generate, run, and debug tests automatically. Backed by top investors and trusted by thousands of dev teams worldwide, we're scaling fast.

We're looking for a Product Designer with 3+ years of experience to shape how developers plan, run, and debug tests with AI.

As a Product Designer, you'll own end-to-end experiences across Test Sprite's Web Portal, MCP Plugin, and CLI, from the first test a developer generates to the moment they debug a failure. Our product is built on complex, data-heavy workflows: test plans, execution runs, logs, results, and failure analysis 'll turn that complexity into experiences that feel clear, fast, and trustworthy. You'll work closely with the design lead, engineering, and product, and your work will ship quickly and often.

• Own feature areas end to end, from problem framing to design, shipping, and iteration, working closely with product, engineering, and AI teams.
• Understand the technical architecture of our agent and testing infrastructure, and turn complex, data-heavy workflows into clear, usable experiences.
• Design cohesive experiences across our Web Portal, MCP Plugin, and CLI.
• Own and evolve Test Sprite's design system, improving quality and consistency across the product.
• Craft polished, trustworthy interfaces that showcase the power of our AI technology.
• Find creative ways to ship high-quality work in a fast-paced, often ambiguous startup environment.

• 3+ years of experience designing and shipping complex workflows in B2B SaaS, developer tools, or data-heavy products.
• Proven end-to-end ownership, from defining the problem to shipping and refining the solution, in ambiguous environments.
• Experience building or evolving a design system.
• A portfolio demonstrating strong product thinking and polished UI craft.
• Proficiency with Figma and modern prototyping tools.
• Excellent communication and collaboration skills, with the ability to influence without authority.

• Use AI tools such as Claude Code or Cursor as a creative partner in your design process.
• Have designed AI-powered or agent-based products.

• You'll define core product experiences, not just polish them.
• A small, high-caliber team where design has a real voice in product direction.
• Room to grow your scope and impact as we scale.