Freelance Backend Developer
Chmielna 73, Warszawa
10Clouds S.A
Mission: Build robust, scalable backend services that power a trusted marketplace connecting tenants and landlords across the UK.
NOTE: This is a short time, project based, B2B engagement and doesn't not guarantee full time employment. We are only accept Candidates from European Union.
Key Responsibilities:
Develop containerized microservices using Django/FastAPI
Implement complex business logic for listings, matching algorithms, and trust scoring
Design and optimize database schemas (Aurora PostgreSQL, DynamoDB)
Build payment orchestration services with Stripe Connect integration
Implement authentication and authorization with AWS Cognito/Auth0
Create APIs for real-time messaging, notifications, and group features
Ensure PCI compliance and security best practices
Build integration framework for PMS systems
Required Skills:
5+ years backend development experience
Expertise in Python (Django/FastAPI) or .NET Core
Strong experience with AWS services (Aurora, DynamoDB, SQS, SNS)
Experience with containerization and Kubernetes
Knowledge of payment processing and PCI compliance
Strong understanding of API design and RESTful principles
Experience with database optimization and caching strategies
Nice to Have:
Experience with property management systems (PMS) integration
Background in FinTech or payment platforms
Knowledge of AI/ML for matching algorithms
Experience with event-driven architectures
10Clouds S.A. is a verified Web3.0 enterprise and a leading software house recognized for its expertise in web development, mobile applications, web design, fintech solutions, machine learning, generative AI, blockchain, and more. The company is known for delivering innovative technology solutions tailored to business needs.
Freelance Backend Developer
Freelance Backend Developer
Chmielna 73, Warszawa
10Clouds S.A