Senior Software Engineer iOS
PayJoy
Software Engineering
Mexico City, Mexico
Posted on Mar 6, 2026
About PayJoy
PayJoy is a mission-first credit provider dedicated to helping under-served customers in emerging markets to achieve financial stability and success. Our patented technology for secured credit provides an on-ramp for new customers to enter the credit system. Through PayJoy’s point-of-sale financing and credit cards, customers gain access to a modern quality of life. PayJoy’s credit also allows our customers to seize opportunities as micro-entrepreneurs, and provide safety acts as insurance for tough times. Through our cutting-edge machine learning, data science, and anti-fraud AI, we have served over 18 million customers as of 2025 while achieving solid profitability for sustainable growth.
This role
As a Senior iOS Engineer, you are a highly senior and independent individual contributor who executes iOS technical design and implementation. You write software to create a high bar on code quality and the features that expand financial opportunity for underserved communities around the world. You are the expert resource on iOS and model the decision-making and interpersonal behaviors that enable PayJoy to deliver reliable, scalable, mission-critical financial technology.
Responsibilities
PayJoy Principles
Finance for the next billion * Ownership * Break Through Walls * Live Communication * Transparency & Directness * Focus on Scale * Work-Life Balance * Embrace Diversity * Speed * Active Listening
apply for this job
PayJoy is a mission-first credit provider dedicated to helping under-served customers in emerging markets to achieve financial stability and success. Our patented technology for secured credit provides an on-ramp for new customers to enter the credit system. Through PayJoy’s point-of-sale financing and credit cards, customers gain access to a modern quality of life. PayJoy’s credit also allows our customers to seize opportunities as micro-entrepreneurs, and provide safety acts as insurance for tough times. Through our cutting-edge machine learning, data science, and anti-fraud AI, we have served over 18 million customers as of 2025 while achieving solid profitability for sustainable growth.
This role
As a Senior iOS Engineer, you are a highly senior and independent individual contributor who executes iOS technical design and implementation. You write software to create a high bar on code quality and the features that expand financial opportunity for underserved communities around the world. You are the expert resource on iOS and model the decision-making and interpersonal behaviors that enable PayJoy to deliver reliable, scalable, mission-critical financial technology.
Responsibilities
- Design, build, and operate our iOS app across multiple markets.
- Implement effective, resilient, and scalable features using Swift, SwiftUI, modern iOS frameworks, unit/integration tests, and clean architecture practices.
- Ensure long-term system health, maintainability, and performance.
- Provide technical input on system-level decisions, identifying and resolving cross-team technical obstacles.
- Own Delivery End-to-End
- Own the technical design, implementation, testing, rollout, and long-term maintenance of major iOS features.
- Be a strong participant in the end-to-end release process for PayJoy’s iOS applications, ensuring timely, reliable, and high-quality delivery across TestFlight, App Store Connect, and production environments.
- Monitor build health, crash reports, and performance metrics during TestFlight and post-release, driving rapid iterations or rollbacks as needed.
- Proactively manage ambiguous or novel problem spaces, ensuring clarity and alignment for collaborating teams.
- Communicate clearly at both tactical and strategic levels, helping colleagues understand tradeoffs, timelines, and dependencies.
- 5+ years of professional experience building native iOS applications.
- Strong proficiency in Swift, iOS architectural patterns, async programming, iOS system security, and MDM-aware iOS apps.
- Experience managing TestFlight and App Store app submissions and handling App Store rejections.
- Demonstrated ability to deliver complex features.
- Experience with one (or several!) of these areas: mobile credit/payments products, MDM and enterprise management, Android development, or emerging markets.
- Experience in product experimentation, A/B testing, analytics, and reliability engineering.
- Exceptional communication, collaboration.
- A mindset aligned with PayJoy’s mission of expanding financial access and culture of speed, transparency, direct communication, and adaptability.
- Advanced English Level
- 100% Company-funded Health and dental and vision discount plan for employees and immediate family members.
- Life insurance.
- Phone finance, Headphone, home office equipment and wellness perks.
- 30 days of Christmas bonus
- 20 days paid Vacation
- 50% Vacation premium
- 13% Saving funds
- $2,000 MXN monthly grocery coupons
- $2,000 USD annual Co-working Travel perk
- $2,000 USD annual Professional Development perk
- Catered lunches
PayJoy Principles
Finance for the next billion * Ownership * Break Through Walls * Live Communication * Transparency & Directness * Focus on Scale * Work-Life Balance * Embrace Diversity * Speed * Active Listening
apply for this job