Product Engineer

Sapien

$90K — $130K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in UX/UI design with a strong portfolio.
  • Proficient in designing and iterating on design systems including component architecture.
  • Experienced frontend developer with expertise in React and TypeScript.
  • Strong understanding of balancing aesthetics with usability and performance.
  • Bachelor’s degree in Computer Science or related field, or equivalent practical experience.

Responsibilities

  • Design and build user-friendly interfaces for AI-driven financial workflows.
  • Rapidly prototype and refine new interface concepts based on user feedback.
  • Create information hierarchies to help users navigate complex financial data easily.
  • Establish and document design standards for consistent user experiences as the team scales.
  • Collaborate with cross-functional teams to enhance design thinking and interface solutions.

Benefits

  • Contribute to pioneering financial technology solutions that impact industries.
  • Work in a vibrant NYC office near Madison Square Park.
  • Be part of a team backed by leading investors from major tech enterprises.
  • Engage with clients in traditional business sectors to shape design needs.
  • Opportunity to scale a design-focused product in an innovative tech environment.
Full Job Description
The role

You'll design and build the interfaces that make AI agents usable for finance teams. This means creating new interaction patterns for how humans work with autonomous systems, building the design systems that scale across our platform, and obsessing over the details that make complex workflows feel simple.

This is a design-focused frontend role where craft and user experience matter deeply. You'll own the visual and interaction design of features while implementing them in production.

What you'll do
  • Design and build interfaces that make agent operations transparent and controllable. Create new interaction patterns for real-time AI workflows, verification systems, and human-in-the-loop feedback that don't exist yet.
  • Prototype and iterate rapidly on new interface concepts. Work directly with customers to test designs, watch how they interact with features, and refine based on real usage.
  • Design information hierarchies that surface the right data at the right time. Help users understand complex financial operations, agent reasoning, and data relationships without overwhelming them.
  • Establish design standards and documentation that help the team ship consistent, high-quality interfaces as we scale.
What we're looking for
  • Product thinking about user experience. You've designed features, tested them with users, and iterated based on how people actually use them.
  • Experience building or contributing to design systems. You understand component architecture, tokens, consistency, and how design scales across a product.
  • Ability to balance beauty with function. You care about aesthetics but know when to prioritize usability, performance, and shipping.
  • Frontend development experience with React and TypeScript. You can implement your designs in production-quality code, not just hand off mockup
  • CS degree or equivalent experience. We care most about what you've built.
How you work (values we care about)
  • Ownership: You see designs through to production. You don't stop at mockups. You implement them, refine interactions based on how they feel in the browser, and fix polish issues until it's right.
  • Opinionated: You have strong perspectives on what makes good design and aren't afraid to advocate for user experience. You push back on features that would make the product worse and propose better solutions.
  • Mission-driven: You understand that interface decisions determine whether finance teams trust and adopt AI. You care about building products that transform how businesses run.
  • Collaborative excellence: You elevate the team's design thinking. You give thoughtful feedback on interfaces, share design patterns and techniques, and raise the bar for polish across the product.

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