Flex on LinkedIn · Jul 2026
Flex announced Eugene L. as Head of Engineering; the role covers engineering teams building eligibility, marketplace, and payments infrastructure.
Company research
Public company, workplace, funding, and market signals
Updated Aug 2, 2026
Overview
Flex Technology Co (Flex) is a San Francisco fintech/health-commerce company founded in 2023. It helps health and wellness brands and benefits platforms accept and grow HSA/FSA spending, while also operating a consumer marketplace for eligible products. Flex says its platform has processed 2M+ orders and supports more than 1,000 brands.
Primary product
HSA/FSA payments and commerce infrastructure: hosted or embedded checkout, real-time product eligibility, split-cart payments, Letters of Medical Necessity, recurring-payment support, merchant analytics, and an HSA/FSA marketplace.
Founded
2023
Headquarters
San Francisco, California, United States
Team size
30–40 employees (LinkedIn company data, July 2026); YC previously listed 8 employees.
Work style
Remote
Industry
Financial Services
Open Positions
48 jobs at Flex
Senior Manager, Account Management (New Verticals)
On-siteRevenueNew York, NY; Salt Lake City, UT; San Francisco, CA3d ago
On-site