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

• Experience: 5+ years of professional software engineering experience, with at least 3 years deeply focused on modern JavaScript frameworks (specifically React.js).
• Technical Excellence: Expertise in TypeScript and component architecture, with a proven track record of delivering scalable, production-grade features.
• Technical Communication: Ability to clarify vague requirements, articulate technical tradeoffs to non-technical partners, and align teams on complex decisions.
• User-Centricity: Deep care for usability, accessibility, and reliability, with successful UI/UX improvements that directly enhanced the customer experience.
• Partnership: Exceptional cross-functional collaboration, working lock-step with PMs and designers to iterate quickly and deliver intuitive high-quality interfaces.

Qualifications

• Preferred Experience: Background in 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: Exposure to telemetry, analytics, and experimentation frameworks to measure and improve user experience.

Skills

• Experience with TypeScript and strong coding practices.
• Understanding of modern JavaScript frameworks (React.js).
• Expertise in component architecture and scalability.
• Strong communication and collaboration skills.
• Ability to work in a fast-paced, dynamic environment.

Benefits

• Base pay range: $139,000 - $204,000.
• Discretionary bonus.
• Equity awards.
• Comprehensive benefits package including medical, dental, vision, life insurance, disability insurance, retirement plans, and wellness programs.

Pay

The base pay for this position ranges from $139,000 - $204,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation.

Schedule

Full-time position.