Senior Software Engineer

ABOUT EARNIN

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.

POSITION SUMMARY

We seek an experienced, passionate, and resourceful Senior Web Engineer to help transform our web application from its MVP phase to a scalable, robust, and maintainable product. As a key contributor to our frontend engineering team, you will optimize performance, drive architectural improvements, and deliver high-quality user experiences for our Cash Out product, used by millions. Given our strong backend foundations, experience with full-stack development is a huge plus.

This position will ideally be hybrid from our Mexico City office as part of our expanding site, though a remote arrangement is possible. EarnIn provides excellent employee benefits, including healthcare, internet/cell phone reimbursement, a learning and development stipend, and potential opportunities to travel to our Palo Alto HQ. Our salary ranges are determined by role, level, and location.

WHAT YOU'LL DO

• Lead the transformation of our web app from an MVP to a scalable, enterprise-grade solution.
• Drive web performance optimization initiatives and establish benchmarks for future excellence.
• Develop and deliver new features with end-to-end ownership, ensuring high usability and reliability.
• Collaborate closely with backend engineers to design efficient APIs and data-fetching strategies.
• Work with web platform engineers to deliver and uphold enterprise-grade architecture standards.
• Debug production issues across multiple stack layers, ensuring system stability and reliability.
• Conduct code, design, and architecture reviews and promoted best practices.
• Work cross-functionally with design, product, marketing, and analytics teams to deliver seamless user experiences.

WHAT WE'RE LOOKING FOR

• 4+ years of experience developing and maintaining React + TypeScript web applications in a large-scale engineering environment.
• Proven ability to lead or collaborate with the team to evolve an MVP into a scalable solution.
• Proficient in React and TypeScript, with a strong understanding of component-based architecture and state management (e.g., Redux, Recoil, Zustand).
• Full-stack development experience is a huge plus, especially with backend technologies like C#, Kotlin, Java, Python, or Go.
• Bachelor's, Master’s, or PhD in computer science, computer engineering, a related technical discipline, or equivalent industry experience.
• Experience integrating RESTful APIs and GraphQL into web applications.
• Hands-on experience with CI/CD pipelines, automated testing, and deployment best practices.
• Excellent written and verbal communication skills.
• Ability to thrive in a fast-paced, dynamic environment with a bias towards action and results.
• Experience with cloud platforms, microservices, and containerization is a strong plus.

At EarnIn, we believe that the best way to build a financial system that works for everyday people is by hiring a team that represents our diverse community. Our team is diverse not only in background and experience but also in perspective. We celebrate our diversity and strive to create a culture of belonging. EarnIn does not unlawfully discriminate based on race, color, religion, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, legally protected medical condition, family care status, military or veteran status, marital status, registered domestic partner status, sexual orientation, genetic information, or any other basis protected by local, state, or federal laws. EarnIn is an E-Verify participant.

EarnIn does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or HR team.

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