Python Backend Developer
-, Poznań +4 Locations
Link Group
We’re looking for a skilled Backend Developer to join our growing engineering team. In this role, you’ll be responsible for designing and building scalable, secure, and high-performance backend systems that power our platform. You’ll work closely with cross-functional teams to implement business logic, integrate third-party services, and ensure smooth system operations in a cloud-native environment.
Responsibilities:
Develop containerized microservices using Django/FastAPI or .NET Core
Implement complex business logic for listings, matching algorithms, and trust scoring
Design and optimize database schemas (Aurora PostgreSQL, DynamoDB)
Build payment orchestration services integrated with Stripe Connect
Implement authentication and authorization using AWS Cognito or Auth0
Develop and maintain APIs for real-time messaging, notifications, and group features
Ensure PCI compliance and follow security best practices
Develop an integration framework for Property Management Systems (PMS)
Required Skills:
2+ years of experience in backend development
Strong proficiency in Python (Django/FastAPI)
Hands-on experience with AWS services (Aurora, DynamoDB, SQS, SNS)
Proficiency with containerization and Kubernetes
Knowledge of payment processing and PCI compliance standards
Solid understanding of API design and RESTful principles
Experience with database optimization and caching strategies
Nice to Have:
Experience integrating Property Management Systems (PMS)
Background in FinTech or payment platforms
Familiarity with AI/ML for matching algorithms
Experience with event-driven architectures

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Python Backend Developer
Python Backend Developer
-, Poznań
Link Group