**Description:** The Mid-level Back-end Developer will play an essential role in supporting and evolving Seguralta's core services. The priority is to develop and maintain critical APIs and integrations with insurance providers, ensuring scalability, security, and performance in systems that support the national operations of the network. Responsibilities and duties **Participate in the full development lifecycle:** design, implementation, testing, deployment, and maintenance Design and evolve REST APIs in Python (FastAPI/Django) Implement and monitor integrations with third-party systems (insurance portals, CRMs) Ensure code quality through automated testing (unit, integration, E2E) Work with serverless and microservices architectures on AWS Support architectural discussions and best practices together with the Tech Lead and other developers Monitor and optimize production services, handling incidents when necessary Requirements and qualifications Solid back-end experience, preferably with Python Experience developing and maintaining scalable and secure APIs Knowledge of relational and non-relational databases Practical experience with AWS (Lambda, S3, RDS, API Gateway, SNS, SQS) Familiarity with automated testing best practices and Git version control Analytical ability to solve complex production issues Collaborative mindset and results-oriented profile 2509180202241758269