Senior Mobile Engineer

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

The Growth Engineering Team at EarnIn is hiring a Senior iOS Engineer to help shape the future of how millions of people experience financial empowerment. This is a high-impact role on a fast-moving, product-focused team responsible for Discovery, Onboarding, Activation, and Retention, the moments that define a member's journey. We're looking for a Senior iOS Engineer who thrives on speed, impact, and innovation. Someone who not only builds world-class mobile experiences but also pushes the boundaries of how we build them, including experimenting with AI-driven development, next-gen mobile patterns, and cutting-edge tooling to unlock velocity at scale. As part of the Growth team, you'll have a proper seat at the table, influencing product direction and technical decisions alike.

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

• Build experiences that matter - design and ship features that define our user journey.
• Experiment at startup speed - ideate, prototype, and launch multiple experiments every month.
• Code with superpowers - leverage AI tools and LLMs to accelerate development and testing.
• Architect and implement the tooling and infrastructure that enables the entire team to work faster.
• Use data + analytics to measure impact, optimize features, and scale what works.
• Mentor other engineers, raising the bar for quality and innovation across mobile.
• Collaborate with backend engineers to design APIs that balance speed with resilience.
• Champion engineering best practices - writing clean, scalable code with strong tests.
• Lead projects end-to-end, bringing both clarity and creativity to the table.

• Bachelor's degree (or higher) in Computer Science, related field, or equivalent practical experience.
• 4+ years of professional mobile development experience, with a strong focus on iOS.
• Expert in Swift and modern iOS paradigms (Swift Concurrency, Combine, SwiftUI).
• Proven experience building and shipping high-quality consumer apps at scale.
• Experience (or deep curiosity) in using AI/LLMs to supercharge development.
• Solid grasp of iOS architectures (MVVM, MVP, VIPER, etc.).
• Familiar with end-to-end engineering practices: code reviews, CI/CD, automated testing, and monitoring.
• Exposure to Android development is a plus 

• Impact that scales: Your work will directly shape the experience of millions of members.
• Tech on the edge: Experiment with AI-powered workflows and mobile-first innovation before most engineers in the world.
• Actual seat at the table: Influence not just code, but product direction and growth strategy.
• High-velocity culture: We move fast, test boldly, and celebrate learning.
• Above all: You love solving complex problems, moving fast, and turning bold ideas into reality.

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.