Principal Software Development Engineer, Yahoo! Finance

Yahoo Finance is the world’s #1 finance destination, empowering investors with news, information, and tools to make financial decisions with confidence. Trusted by over 150M visitors globally each month, representing over $20 trillion dollars in investable assets, Yahoo Finance delivers high-quality real-time market data across desktop, mobile, and streaming platforms. With breaking news from thousands of sources, original editorial perspectives, objective analyst ratings and research, analytical charts and technical tools, personalized mobile alerts, and much more, Yahoo Finance equips investors with knowledge and insights to achieve financial freedom and greater prosperity.

We are seeking a highly skilled and actively coding Principal Engineer with deep expertise in Front-End development and a strong understanding of Full-Stack systems. This is a hands-on technical leadership role, where you will spend a significant portion of your time writing, reviewing, and shipping production-quality front-end code. As a key member of our Core Product Platform team, you will leverage your front-end mastery and understanding of back-end integration to shape the future of Yahoo Finance's web presence. You will collaborate with cross-functional teams to develop scalable, high-performance solutions grounded in solid architectural principles that delight our users.

Location: This is a hybrid position based in our Mountain View office or San Francisco office, requiring 2 days per week in-office.

Responsibilities

• Hands-on Development & Implementation: Actively code, implement, test, and optimize responsive, user-friendly interfaces using HTML, CSS, TypeScript/JavaScript, and modern frameworks. This is a primary function of the role, involving daily coding.

• Architectural Design & Execution: Contribute to and lead architectural decisions for the Core Product Platform, driving implementation through hands-on prototyping, coding, and technical validation to ensure scalability, performance, and security.

• Full-Stack Collaboration: Work closely with back-end engineers to define, consume, and integrate APIs (RESTful, GraphQL, etc.), enhancing the overall functionality and user experience of our platform.

• Code Quality and Best Practices: Champion and implement best practices in code structure, design patterns, testing strategies, and maintainability through your own contributions and code reviews.

• Performance Optimization: Proactively identify, analyze, and implement solutions to enhance the performance of web applications, ensuring fast load times and a seamless user experience.

• Technical Mentorship & Collaboration: Mentor other engineers through code reviews, pair programming, technical guidance, and sharing expertise, fostering a culture of technical excellence and continuous learning.

• Cross-Functional Partnership: Collaborate effectively with product managers, designers, and other stakeholders to understand requirements and translate them into robust, well-engineered technical solutions.  

• Stay Current & Innovate: Keep up with the latest industry trends, technologies, and best practices, evaluating and proposing their adoption where they can drive tangible improvements.

Qualifications

• Education:

  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

• Technical Skills:

  • 10+ years of professional software development experience, with a strong emphasis on front-end development and demonstrable experience shipping complex web applications.

  • Deep proficiency and hands-on expertise in TypeScript and JavaScript.

  • Extensive practical experience building applications with modern front-end frameworks such as React or Svelte.

  • Proven experience consuming RESTful, GraphQL, or equivalent APIs for user-facing applications.

  • Solid understanding and practical application of software development design patterns and best practices.

  • Experience with performance tuning, optimization techniques, and diagnostic tools for large-scale web applications.