Staff Software Engineer (Frontend), Infra

About us Harmonic is the startup discovery engine. It pains us to see great startup opportunities consistently go unfunded not because of lack of talent, but lack of signal. We're fixing that by mapping the entire startup landscape and building the tools that put the right companies in front of the right people at the right time. Investors, corporate development, and GTM teams at Anthropic, OpenAI, General Catalyst, Kleiner Perkins, Brex and Notion use us to find breakout companies before they're obvious and turn that discovery into action. Whether that's a check, an acquisition, partnership or won business. We’re growing revenue at a rate of 100%+ annually, backed by $30M from Craft, Floodgate, and Sozo Ventures. We're committed to ensuring hundreds of billions of dollars find the right founders, so the innovations that matters most flourish. If that resonates, let's talk. About Infrastructure Infrastructure powers Harmonic's ability to process millions of startup signals in real-time. While Flow builds workflows and Discovery surfaces insights, Infrastructure makes it all fast, reliable, and scalable. We're at an inflection point. Our frontend serves hundreds of users who run complex queries across millions of companies, build sophisticated searches, and collaborate on deal flow. As we scale, we need to transform our frontend from "it works" to "it works flawlessly." Our inf...