Senior Backend Engineer (Stripe & Fintech Specialist)
RemoteColombia
Job Summary
Architect and implement Stripe Connect integration within a core Django API, managing the end-to-end payment lifecycle from onboarding to complex webhook orchestration. Design resilient systems for split payments, payouts, and fee collection while migrating legacy Ruby on Rails logic into the new infrastructure. Build idempotent webhook processing and integrate real-time Stripe events with business processes for auctions and user management. Utilize Celery and Redis to handle high-volume, time-sensitive tasks and ensure all workflows adhere to PCI-DSS standards. Maintain comprehensive monitoring, alerting, and logging via Datadog or Sentry, while writing exhaustive unit and integration tests to maintain high coverage.
Required Qualifications
- 5+ years of professional backend development experience
- Proven track record of implementing Stripe Connect at scale (experience with marketplace or platform models is essential)
- Expert-level Python & Django skills, specifically building scalable APIs and handling complex database migrations
- Advanced Webhook Management: Experience building robust systems for handling, retrying, and auditing webhooks
- Asynchronous Expertise: Deep experience with Celery and Redis for handling long-running or mission-critical tasks
- Architectural Mindset: Ability to design systems that are modular, testable, and maintainable
- Exhaustive Testing: Write comprehensive unit and integration tests, maintain high test coverage
Desired Qualifications
- Ruby on Rails Knowledge: Ability to read and understand legacy Ruby code to facilitate a smoother migration to Django
- Fintech Experience: Prior experience in auctions, e-commerce, or similar high-stakes financial environments
- AWS Proficiency: Hands-on experience with ECS Fargate and Amazon MQ
- Frontend Awareness: Understanding of how backend payment flows interact with React Native (Expo) and Next.js frontends
- State Machine / Workflow experience: Ability to design payment state machines or workflows
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