Flex

You'll lead **frontend development** using React across multiple applications, shipping high-quality experiences with a bias towards execution. Your work will directly impact merchants and consumers by making HSA/FSA payments simple and accessible.

You'll design and own the cloud infrastructure, databases, and core systems at **Flex**, a company enabling HSA/FSA payments for health and wellness brands. Your work will directly impact **scalability and reliability** for a platform processing billions in transactions. This early-stage role offers **high ownership and cross-functional collaboration**.

You'll design and own the services and APIs that power Flex's **eligibility verification and split payments** for a rapidly growing fintech platform. Your work will **unlock HSA/FSA spending** for merchants and consumers, directly impacting millions of users. This role offers **early-stage impact and a remote-friendly environment**.

You'll own the technical motion for every strategic and enterprise deal at Flex, **embedded with sales from first call through go-live**. You will turn interest into live merchants and be the **voice of the customer inside Flex**, directly influencing product and engineering's roadmap. This is a rare opportunity to define how a category-creating company sells to enterprise.

You'll own end-to-end design for the merchant experience at Flex, a startup making HSA/FSA payments easy for health brands. You'll partner with engineers and founders to ship **intuitive product** at startup speed. This role offers **early-stage impact** and a **remote-friendly culture**.

You'll design and operate the **data and ML systems** that determine HSA/FSA eligibility at checkout. You'll partner with backend, product, and operations to build **reliable data pipelines**, models, and APIs that power every eligibility decision.

You'll lead partner **onboarding and retention** for a **remote-first fintech startup**. You'll surface partner feedback to internal teams and drive increased product usage to unlock revenue. This role offers the opportunity to work closely with leadership at a Y-Combinator-backed company.

You'll develop and execute co-marketing strategies for **health and wellness brands** to drive mutual growth. You'll run **360 campaigns** across owned and paid channels, from partner launches to always-on programs. This role is ideal for a **marketing generalist** who thrives in a fast-paced environment.