Job Summary: We are seeking Senior Backend Developers to work on the development of the Chargeback and Reconciliation platform, building business logic, integrations, and the API. Key Highlights: 1. Development of microservices in Python. 2. Creation and maintenance of integrations with financial APIs. 3. Design and implementation of the platform's API with a focus on security and performance. **Description:** We are looking for Senior Backend Developers to work on the development of our Chargeback and Reconciliation platform. You will be responsible for building and maintaining the business logic, integrations with acquirers, and the platform's API. **Requirements:** * Strong backend development experience and **Python**. * Experience developing REST APIs. * Knowledge of relational and non-relational databases. * Experience with microservices and distributed systems. * Experience parsing financial files (CNAB, EDI, fixed-width) and consuming acquirer APIs. * Experience with message queues (Kafka, RabbitMQ or similar). * Knowledge of matching/reconciliation algorithms is a strong plus. Familiarity with CI/CD tools, Docker, and Kubernetes. **Responsibilities:** * Develop and maintain microservices in Python. * Create and maintain integrations with acquirer APIs and other financial systems. * Design and implement the platform's API, ensuring security and performance. * Collaborate with the frontend team to ensure seamless integration between the backend and the user interface. * Write automated tests to ensure code quality.