Alexis Favre

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Alexis Favre
OccupationChief Technology Officer, co-founder of Stacksync
Known forCo-founding Stacksync

Alexis Favre is a Swiss-based software entrepreneur and the co-founder and Chief Technology Officer (CTO) of Stacksync, a data synchronization platform that provides real-time, bidirectional syncing between customer relationship management (CRM) systems and databases. Stacksync participated in Y Combinator's Winter 2024 batch.[1]

Career

Favre co-founded Stacksync alongside Ruben Burdin, who serves as the company's CEO. The company originated as a spinoff from the École polytechnique fédérale de Lausanne (EPFL) in the canton of Vaud, Switzerland.[2] As CTO, Favre is responsible for the technical development of the Stacksync platform.

Stacksync enables real-time, two-way data synchronization between CRM platforms such as Salesforce, HubSpot, and SAP, and databases including PostgreSQL and Google BigQuery. The platform allows changes made in a CRM to be instantly reflected in a connected database and vice versa. Setup is designed to be completed without code; users connect two applications and select the tables they wish to synchronize. The company states that this approach reduces CRM integration implementation timelines from months to minutes, claiming a 90% improvement in delivery time and budget for integration projects.[3]

The platform has expanded beyond its initial two-way sync capability to encompass six products on a single platform: two-way sync, workflow automation, electronic data interchange (EDI), event queues, managed databases, and monitoring. Stacksync positions itself as a replacement for multiple enterprise tools, including Heroku Connect, which entered maintenance mode and prompted the company to offer free migration services to affected teams.

In January 2024, Stacksync was accepted into Y Combinator's Winter 2024 cohort. Around the same time, the company closed a pre-seed funding round with participation from Y Combinator, Lightbird VC, and several angel investors. Prior to joining YC, Stacksync exhibited on the Swiss Pavilion at the Consumer Electronics Show (CES) in Las Vegas in early 2024.

The company is headquartered in San Francisco and has served customers including Aloen, which used Stacksync to reduce CRM integration delivery times from months to days.

References

  1. "Stacksync – Y Combinator". 'Y Combinator}'. Retrieved 2026-03-18.
  2. "Stacksync on the rise". 'Startupticker.ch}'. Retrieved 2026-03-18.
  3. "Stacksync". 'Stacksync}'. Retrieved 2026-03-18.