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PayJoy

Posted 5 months ago

Staff Software Engineer - PaymentsPayJoy · San Francisco

Staff Software Engineer - Payments

San FranciscoHybridFull-time

AI Summary

Leads technical foundation for payments, designing scalable systems and mentoring engineers in a hands-on role.

About this role

About PayJoy
PayJoy, a Public Benefit Corporation, 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 card offerings, customers gain access to a modern quality of life. PayJoy’s credit also allows our customers to seize opportunities as micro-entrepreneurs, and 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

The Staff Engineer is responsible for leading our technical foundation, initially collaborating with the Money - Payments teams to drive innovation, with the opportunity to work with other teams as well, taking on a mentoring role, designing scalable systems, and influencing cross-functional initiatives, in a hands-on position where they will make key technical decisions and build critical services.

Responsibilities

  • Solve Critical Problems: Identify, prioritize, and solve technical challenges impacting growth.
  • Lead and Collaborate: Architect new solutions, Implement newer patterns/framework that other candidates can use and implement, Identify potential systemwide solutions, guide teams, ensuring solutions meet business goals and technical standards.
  • Mentor & Develop: Foster a culture of learning, guiding junior engineers.
  • Innovate & Improve: Drive continuous improvement in our platform and processes.

    • Requirements

  • Bachelor’s degree in a technical discipline such as computer science, software engineering, or a related field.
  • 12+ years of experience as Software Engineer, in a fast-paced, high-growth environment, working with cloud platforms such as AWS, GCP, or Azure.
  • Strong expertise in backend development with proficiency in Python; as well both relational and NoSQL databases.
  • Solid understanding of distributed systems, system design principles.
  • A can-do attitude and creative, flexible problem solving abilities, and the ability to think critically in ambiguous situations.
  • Being a team player, that includes review, pair programming, collaboration in one task, mentoring or being mentored.
  • Strong written and verbal communication skills, with the ability to present technical concepts to non-technical stakeholders.
  • Desirable experience with mobile technologies or mobile payment systems with the fraud and identity aspects of fintech, as well in building and maintaining large-scale systems used by millions of users.

    • Benefits

  • 100% Company-funded health insurance for employee and immediate family
  • Company-funded employee life and disability insurance
  • $2,000 USD annual Co-working Travel perk
  • $2,000 USD annual Professional Development perk
  • $340 Monthly Commuter benefit
  • 401k Contribution of 3% of salary (up to IRS limits)
  • Headphone benefit, home office equipment allowance and wellness perks
  • Catered lunches
  • 20 Paid vacation days, unlimited sick leave

    • Skills

    Anti-fraud AIAWSAzureData ScienceDistributed SystemsFraud DetectionGCPIdentity VerificationMachine LearningMobile PaymentsMongoDBPostgreSQLPythonSystem Design

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