Senior Backend Engineer (Stripe & Fintech Specialist)
About Mindtech
Mindtech is your gateway to exciting, impactful technology projects. We specialize in staff augmentation and end-to-end software outsourcing, connecting top Latin American talent with global opportunities. Our agile approach ensures exceptional service and innovative solutions for our clients.
Senior Backend Engineer (Stripe & Fintech Specialist)
Role Overview
We´re seeking a Senior Backend Engineer with deep expertise in Stripe Connect to lead the evolution of our clients payment infrastructure. You will be responsible for architecting and implementing a robust Stripe Connect integration within a core Django API, facilitating a critical migration from a legacy Ruby on Rails payment portal.
As the lead for this initiative, you will handle the end-to-end payment lifecycle—from onboarding and funds flow to complex webhook orchestration and business logic—ensuring a seamless experience for our marketplace users.
Core Responsibilities
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Stripe Connect Implementation: Architect and build the Stripe Connect integration (Standard, Express, or Custom) within a Django/Python environment.
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Payment Orchestration: Design and implement complex payment flows, including split payments, payouts, and fee collection.
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Webhook Architecture: Build a resilient, idempotent webhook processing system to legacy Ruby on Rails Payment Portal into the core Django API.
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Businesses handle real-time events from Stripe.
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Legacy Migration: Collaborate with the team to migrate payment logic and data from a Logic Integration: Integrate Stripe events with core business processes (auctions, bidding, and user management).
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Asynchronous Processing: Utilize Celery and Redis to manage high-volume, time-sensitive payment tasks and background jobs.
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Security & Compliance: Ensure all payment workflows adhere to PCI-DSS standards and best practices for financial data security.
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Monitoring & Observability: Build and maintain monitoring, alerting, and logging infrastructure for payment flows (Datadog, Sentry or similar).
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Exhaustive Testing: Write comprehensive unit and integration tests, maintain high test coverage.
Technical Stack
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Backend: Python 3.11+, Django 4.x, Django REST Framework (DRF)
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Payments: Stripe (Connect, Billing, Webhooks)
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Task Queue: Celery, Redis, RabbitMQ (Amazon MQ)
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Database: PostgreSQL (Aurora Serverless v2)
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Infrastructure: AWS (ECS Fargate, ElastiCache)
Required Qualifications
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5+ years of professional backend development experience.
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Proven track record of implementing Stripe Connect at scale (experience with marketplace or platform models is essential).
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Expert-level Python & Django skills, specifically building scalable APIs and handling complex database migrations.
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Advanced Webhook Management: Experience building robust systems for handling, retrying, and auditing webhooks.
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Asynchronous Expertise: Deep experience with Celery and Redis for handling long-running or mission-critical tasks.
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Architectural Mindset: Ability to design systems that are modular, testable, and maintainable.
Preferred Qualifications
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Ruby on Rails Knowledge: Ability to read and understand legacy Ruby code to facilitate a smoother migration to Django.
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Fintech Experience: Prior experience in auctions, e-commerce, or similar high-stakes financial environments.
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AWS Proficiency: Hands-on experience with ECS Fargate and Amazon MQ.
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Frontend Awareness: Understanding of how backend payment flows interact with React Native (Expo) and Next.js frontends.
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State Machine / Workflow experience: Ability to design payment state machines or workflows
We Offer
100% remote work
Salary in USD
Referral program
Growth opportunities in a fast-scaling startup
A global, multicultural work environment
Originally posted on Himalayas