Principal CX/UX Designer – API Developer Platform
Locations: Coppell, TX | Chicago, IL | Harrisburg, PA | Plantation, FL | Austin, TX
Work Arrangement: Hybrid – 8 days per month onsite
Employment Type: Full-Time
Work Authorization: Must be legally authorized to work in the United States without employer sponsorship, now or in the future.
Job Summary
We are seeking a Principal CX/UX Designer to lead user experience strategy and design for an API Developer Platform. The ideal candidate will have extensive experience designing complex B2B, enterprise, or developer-focused products, with strong expertise in API experiences, developer portals, SDKs, technical documentation, prototyping, and user research.
Key Responsibilities
- Lead UX strategy and design for APIs, developer portals, SDKs, documentation, and AI-powered developer tools.
- Design end-to-end developer journeys, including API discovery, authentication, integration, debugging, and monitoring.
- Partner with product managers and engineers to shape API contracts and platform roadmaps.
- Conduct developer interviews, usability testing, and research to validate design decisions.
- Create user flows, information architecture, high-fidelity prototypes, and interactive demonstrations.
- Establish scalable design patterns and standards across multiple teams.
- Improve developer adoption, time to first successful API call, and developer satisfaction.
- Collaborate with engineering teams throughout implementation and continuously improve experiences using user feedback.
- Mentor designers and influence senior stakeholders across product and technology organizations.
Required Qualifications
- 10+ years of UX or product design experience involving complex B2B, enterprise, or developer platform products.
- A portfolio demonstrating measurable design impact.
- Proven experience designing APIs, developer portals, SDKs, or technical documentation.
- Working knowledge of REST APIs, authentication, and error handling.
- Expertise in interaction design, information architecture, user flows, and high-fidelity prototyping.
- Experience using modern prototyping, coding, and AI tools.
- Strong user research skills, including developer interviews, usability testing, and data analysis.
- Experience establishing design systems and scalable design standards.
- Proven ability to influence engineering leaders, executives, and cross-functional teams.
- Strong communication, collaboration, and mentoring skills.
Mandatory: Candidates must meet the stated U.S. work authorization requirements and be available for the hybrid work arrangement.