Senior Software Engineer, Backend
Perpay - Career's Page
About Us: Perpay is a certified B Corp and Philadelphia's most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the premier financial partner for consumers with subprime credit. With over 500,000 customers who have utilized more than $1 billion in spending power, we are at a pivotal moment. We are scaling our operations, building new offerings, and deepening our impact. We are looking for teammates eager to join us on this journey. Our venture partners include First Round Capital and L Catterton. Products we've built to make an impact:
Responsibilities:
What We'll Bring to Full-time Team Members:
This is not a remote opportunity; it is 100% onsite (#LI-Onsite) (#LI-TH1) (#LI-AK1) Perpay is proud to be an equal opportunity employer. We value diversity in all its forms and are committed to creating an inclusive environment. We do not discriminate on the basis of race, religion, color, national origin, gender identity, sexual orientation, sex (including pregnancy), marital status, political affiliation, age, veteran status, disability status or other non-merit factor. Please contact us at View email address on click.appcast.io to request accommodation.
- Perpay Marketplace: Combines interest-free payments and modern e-commerce to reduce cost of ownership and promote healthy repayment behavior.
- Perpay+: Leverages Marketplace repayment history to help members monitor and build credit with all 3 credit bureaus.
- Perpay Credit Card: Expands access to the flexibility and benefits of a World Mastercard by removing common barriers like high security deposits and low approval odds.
Responsibilities:
- Design and evolve RESTful APIs used by our frontend and internal systems
- Own data modeling decisions across our relational databases with an eye toward performance and maintainability
- Improve reliability, observability, and operational excellence of our backend systems (metrics, logging, tracing, alerting)
- Participate in architectural decisions around service boundaries, asynchronous workflows, and distributed system tradeoffs
- Diagnose and resolve production issues across multiple services
- Contribute to infrastructure-as-code and CI/CD improvements to increase developer velocity and system stability
- Partner with product and stakeholders to translate complex business rules into maintainable backend systems
- 5+ years of experience building web applications at scale in at least one modern language / framework (e.g. Python/Django, Rails, etc.)
- 2+ years of experience leading technical teams and large, complex projects
- Deep understanding of relational databases (e.g., Postgres), query optimization, indexing strategies, and schema evolution
- Experience operating production systems in a large cloud provider (e.g. AWS)Familiarity with containerized environments (Docker) and orchestration systems (Kubernetes)
- Experience with background job systems and message queues (e.g. Celery)
- Working knowledge of caching strategies (e.g. Redis)
- Experience with monitoring/observability tooling (e.g. Datadog, CloudWatch)
- Strong understanding of system reliability, failure modes, and operational tradeoffs
- Ability to communicate complex system behavior clearly to non-technical stakeholders
- A solutions-oriented mindset, willing to step outside your primary domain to unblock teammates and ensure successful delivery
What We'll Bring to Full-time Team Members:
- Meaningful compensation and equity
- Premium medical benefits (fully paid base plan, and very reasonable premium for the buy-up option)
- 4% employer 401k match
- Unlimited PTO policy
- Remote weeks around major holidays + extra holiday on weekends like MDW and LDW
- High quality catered lunch by local chefs, 4 days / week
- Gym subsidy
- Paid cell phone + plan
- Student loan repayment program
- Relocation assistance
- Generous team member discounts
This is not a remote opportunity; it is 100% onsite (#LI-Onsite) (#LI-TH1) (#LI-AK1) Perpay is proud to be an equal opportunity employer. We value diversity in all its forms and are committed to creating an inclusive environment. We do not discriminate on the basis of race, religion, color, national origin, gender identity, sexual orientation, sex (including pregnancy), marital status, political affiliation, age, veteran status, disability status or other non-merit factor. Please contact us at View email address on click.appcast.io to request accommodation.
Vacancy posted 1 day ago
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