Op Einstein Competitors

Instacart is a leading grocery technology company that partners with more than 2,200 retail banners – representing nearly 100,000 stores – to transform how people shop for the groceries they need from the retailers they trust, while creating flexible earning opportunities for shoppers. Through the Instacart Marketplace, Instacart Enterprise platform, and Instacart Ads ecosystem, the company powers ecommerce, fulfillment, in-store technology, AI offerings, and advertising for partners. With Instacart Health, the company is providing tools to increase nutrition security, make healthy choices easier for consumers, and expand the role that food can play in improving health outcomes. For more information, visit www.instacart.com/company.

Jane Street is a quantitative trading firm with offices in New York, London, Hong Kong, Singapore, and Amsterdam. We are always recruiting top candidates and we invest heavily in teaching and training. The environment at Jane Street is open, informal, intellectual, and fun. People grow into long careers here because there are always new and interesting problems to solve, systems to build, and theories to test. More than twenty years after our founding, it still feels like we’re just getting started.

TradeStation is the home of those born to trade, where advanced trading technology intersects with institutional-grade brokerage services. For more than four decades, traders and institutions have relied on our self-clearing, direct-market-access capabilities across equities, options, futures, commodities, and ETFs. We deliver customizable trading infrastructure designed to support complex workflows and precision execution. Innovation is core to how we serve clients. Platforms like TITAN X and TradeStation MCP empower traders to interact with markets in smarter, more flexible ways, while our open APIs and integration solutions allow firms to tailor workflows and connect existing systems seamlessly. Driven by innovation. Built by people. At TradeStation, we create an environment where ambitious thinkers can do meaningful work at the intersection of technology, markets, and client experience. Our teams span engineering, product, data, operations, client services, and beyond, united by a shared commitment to excellence. We value initiative, collaboration, and accountability, and we invest in people who are motivated to help shape the future of trading. If you’re looking to contribute to a platform trusted by serious traders and build something that matters, you may belong here. Please visit https://www.tradestation.com/social-media/ for information and important disclosures.