As one of the first pioneers of earned wage access, our passion at EarnIn is building products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck. Our community members access their earnings as they earn them, with options to spend, save, and grow their money without mandatory fees, interest rates, or credit checks.

We’re fortunate to have an incredibly experienced leadership team, combined with world-class funding partners like A16Z, Matrix Partners, DST, Ribbit Capital, and a very healthy core business with a tremendous runway. We’re growing fast and are excited to continue bringing world-class talent onboard to help shape the next chapter of our growth journey.

We seek an experienced, passionate, and resourceful Senior Fullstack Engineer to join our web team. In this role, you will work cross-functionally with various teams to design, develop, and optimize web and backend services. You will play a key role in transforming our web platform into a scalable, high-performing solution while maintaining best practices in architecture, code quality, and performance optimization. This position will ideally be hybrid from our Mexico City office as part of our expanding site, though a remote arrangement is possible.

In Short

Lead the transformation of the web app from its MVP phase to a scalable, robust, and maintainable web app.
Drive web performance optimization initiatives and establish benchmarks for future excellence.
Collaborate with web platform engineers to deliver and uphold enterprise-grade architecture standards.
Collaborate and mentor other engineers while providing thoughtful guidance using code, design, and architecture reviews.
Debug production issues across our services infrastructure and multiple levels of our stack.
Develop and deliver new features with end-to-end ownership.

Requirements

4+ years of experience developing and maintaining React+Typescript web applications within a large-scale engineering environment.
Led or collaborated with a team to evolve an MVP web app into a robust, scalable solution.
Understanding of backend technologies and languages. Prior experience with C# or Kotlin, Kafka, and SQL would be a plus.
Bachelor's, Master’s, or PhD in computer science, computer engineering, or a related technical discipline or equivalent industry experience.
Experience with continuous integration and delivery tools.
Experienced in developing and executing functional and integration tests.
Excellent written and verbal communication skills.