Principal Data Visualization Engineer

Role Overview

We are seeking a Principal Software Engineer, Data Visualization (IC5) to lead the design and development of advanced financial charts, interactive visualizations, and data-driven user experiences across our portfolio of financial products.

In this role, you will serve as a technical leader responsible for building scalable visualization frameworks and delivering highly interactive frontend experiences that help users explore financial markets, company performance, economic trends, and investment opportunities. You will work primarily with React, D3, and modern web technologies while collaborating closely with product managers, designers, data engineers, and editorial teams.

This is an opportunity to influence the technical direction of visualization systems used across multiple applications and platforms, ensuring performance, accessibility, maintainability, and exceptional user experience at scale.

• Architect, design, and develop sophisticated financial charts, dashboards, and interactive data visualizations for our frontend web applications
• Build reusable visualization components and frameworks that can be leveraged across multiple products and teams.
• Lead frontend development efforts using React, D3, Type Script, and modern web technologies.
• Translate complex financial and market data into intuitive, performant, and visually compelling charting experiences
• Establish best practices for visualization architecture, frontend performance, accessibility, testing, and maintainability.
• Partner with product, design, editorial, and data teams to define visualization requirements and deliver impactful user experiences.
• Optimize rendering performance for large-scale and real‑time financial datasets.
• Provide technical leadership, mentorship, and architectural guidance to engineers across the organization.
• Drive technical strategy and contribute to long‑term roadmap planning for data visualization platforms and capabilities.
• Evaluate and introduce new technologies, frameworks, and approaches that improve visualization quality and developer productivity.

• 8-10+ years of professional software engineering experience, with significant focus on frontend web applications and data visualization.
• Extensive experience designing and building interactive data visualizations for production web applications.
• Expert‑level proficiency with React and modern JavaScript/Type Script development.
• Deep expertise with D3.js and visualization techniques for complex datasets.
• Experience building financial, analytical, or data‑intensive applications that present large volumes of information to users.
• Strong understanding of frontend architecture, performance optimization, browser rendering, and responsive design.
• Experience creating reusable component libraries, visualization frameworks, or shared frontend platforms.
• Understanding of financial charting methodologies, formulas, analy
• Demonstrated ability to lead large technical initiatives and influence engineering direction across teams.
• Strong communication and collaboration skills, with experience partnering across engineering, product, design, and business stakeholders.
• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

• Experience developing financial market visualizations, trading applications, portfolio analytics, or other fintech products
• Familiarity with common financial data visualizations, including line, candle, bar and baseline delta graphs
• Familiarity with real‑time data streaming, market data feeds, and time‑series visualization techniques
• Experience with accessibility standards and inclusive design practices for data visualization.
• Knowledge of charting libraries, WebGL, Canvas rendering, or advanced graphics technologies.
• Experience mentoring senior engineers and serving as a technical lead for cross‑functional initiatives.
• Passion for financial markets, investing, data storytelling, and information design.

The material job duties and responsibilities of this role include those listed above as well as adhering to Yahoo policies; exercising sound judgment;…