Senior Engineer, CoreUX and Expansion- Weights & Biases

About the role

The CoreUX team is dedicated to making W&B feel like a single, polished product. We drive the evolution of shared building blocks, core user journeys, and universal app surfaces to ensure consistency and accessibility at scale. With a focus on long-term ownership and excellence, the team ensures our application remains fast to build within, easy to use, and impactful across the entire product surface area.

Responsibilities

• Drive the development of core UI components, patterns, and behaviors across all product areas, helping to reduce fragmentation and external dependency reliance.
• Collaborate closely with other engineers, PMs, and cross-functional stakeholders to align on component APIs, UX consistency, and accessibility best practices (WCAG).
• Set and uphold high standards for usability, code quality, and technical excellence, ensuring our "blueprints" enable the wider team to build scalable and user-friendly experiences.

Requirements

• You have 5+ years of professional software engineering experience, with at least 3 years deeply focused on modern JavaScript frameworks (specifically React.js).
• You are an expert in TypeScript and component architecture, with a proven track record of delivering scalable, production-grade features.
• You can clarify vague requirements, articulate technical tradeoffs to non-technical partners, and align teams on complex decisions.
• You care deeply about usability, accessibility, and reliability and have successfully shipped UI/UX improvements that directly enhanced the customer experience.
• You excel at cross-functional collaboration, working lock-step with PMs and designers to iterate quickly and deliver intuitive high-quality interfaces.

Qualifications

• Experience with design systems or component libraries, with an eye for scalable, reusable UI patterns.
• Familiarity with navigation and information architecture design for complex applications.
• Exposure to Accessibility and Web best practices (WCAG).
• Knowledge of telemetry, analytics, and experimentation frameworks to measure and improve user experience.

Skills

• Expertise in TypeScript and component architecture.
• Strong coding practices.
• Experience with modern JavaScript frameworks (React.js).
• Experience with design systems or component libraries.
• Experience with navigation and information architecture design for complex applications.
• Experience with Accessibility and Web best practices (WCAG).
• Experience with telemetry, analytics, and experimentation frameworks.

Benefits

• Base pay range: $139,000 - $204,000.
• Discretionary bonus.
• Equity awards.
• Comprehensive benefits program (medical, dental, vision, life insurance, disability insurance, etc.).
• Tuition reimbursement.
• Mental wellness benefits.
• Employee stock purchase program (ESPP).
• Paid parental leave.
• Flexible PTO.
• Catered lunch.
• Flexible, full-service childcare support.
• 401(k) with a generous employer match.

Pay

The base pay for this position ranges from $139,00- $204,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location.

Schedule

Not specified.