Software Engineer - HSA/FSA Payments (Remote)

Feedinkoo; United States; Remote; USD 90,000 - 150,000; Full time

Benefits offered by this job

Equity compensation

Medical, dental, and vision plans

Unlimited PTO and sick days

Paid parental leave

Flexible, remote-first team

Job summary

Feedinkoo is seeking an experienced engineer to shape the future of HSA/FSA payments. As one of the earliest hires, you will work across the stack to deliver a seamless checkout experience and design scalable infrastructure.

The ideal candidate has at least 3 years of experience in engineering, proficiency in TypeScript and React, and a strong understanding of AWS. Join a remote-first team and make a significant impact on product development.

Qualifications

• 3+ years of engineering experience at tech and product-driven companies.
• Proficient in TypeScript, React, and modern web technologies.
• Skilled in at least one backend language (we use Rust).
• Hands-on experience deploying to AWS infrastructure.
• Comfortable in dynamic, fast-paced startup environments.
• Prior startup experience (seed–SeriesB) strongly preferred.

Responsibilities

• Contribute to building the highest-converting HSA/FSA checkout experience.
• Build simple, elegant APIs that make Flex easy to integrate.
• Design and develop scalable solutions for HSA/FSA payment infrastructure.
• Interact directly with customers to help define the roadmap.

Skills

TypeScript

React

Rust

AWS deployment

Modern web technologies

Tools

Next.js

Postgres

Redis

Job description

Feedinkoo is seeking an experienced engineer to shape the future of HSA/FSA payments. As one of the earliest hires, you will work across the stack to deliver a seamless checkout experience and design scalable infrastructure.

The ideal candidate has at least 3 years of experience in engineering, proficiency in TypeScript and React, and a strong understanding of AWS. Join a remote-first team and make a significant impact on product development.