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Topsort

Topsort is a high-growth AdTech startup that provides auction-based advertising infrastructure for marketplaces and retailers. The company offers a suite of APIs and tools that allow businesses to launch retail media networks and sponsored listings without the complexity of building from scratch. Headquartered in San Francisco, Topsort operates at the intersection of e-commerce and advertising technology, serving a global client base. The company maintains a strong presence in Barcelona, which serves as a key hub for its engineering, sales, and operations teams in the EMEA region. Topsort is known for its remote-friendly culture and international environment, making it an attractive destination for English-speaking professionals looking to work in a fast-paced, venture-backed startup within the Spanish tech ecosystem.

San Francisco, USAAdTech80 employeesFounded 2021Barcelonatopsort.com

Company History

Founded in 2021 by Regina Ye, Francisco Larrain, and Michael Ostrovsky, Topsort was created to democratize auction-based advertising technology. The company quickly scaled after raising significant seed funding to challenge the dominance of closed advertising ecosystems.

For International Professionals

  • English is the primary working language, facilitating easy integration for international professionals.
  • The Barcelona office serves as a strategic hub for EMEA operations and global engineering efforts.
  • Offers a remote-friendly work culture with flexible policies for many of its technical and commercial roles.
  • Venture-backed startup environment providing significant opportunities for rapid career progression.
  • Highly diverse team with a strong focus on international talent and global market expansion.

Open Positions (5)