Description: Bachelor's degree in Computer Science, Systems Analysis and Development, Information Systems, or related fields, either completed or in progress. Intermediate English proficiency is desirable. Intermediate Excel skills are desirable. We are looking for a Backend Developer with strong expertise in AWS serverless solutions, focusing on Lambda, API Gateway, S3, CloudWatch, and Secrets Manager. This position is ideal for professionals who want to work with modern architectures, high-performance APIs, and contribute technically to strategic product decisions. Responsibilities: * Design, develop, and maintain Python-based serverless applications with focus on scalability, security, and performance; * Build and maintain REST APIs using API Gateway, integrating with internal and external systems; * Use AWS Lambda, S3, CloudWatch, and Secrets Manager as primary stack tools; * Implement monitoring, structured logging, and error handling; * Collaborate closely with architecture, DevOps, security, and product teams; * Participate in code reviews, technical standard definition, and dissemination of best practices. Required Qualifications: * Proficiency in AWS Lambda, API Gateway, S3, CloudWatch, and Secrets Manager; * Solid knowledge of Python and experience with at least one framework (FastAPI, Flask, or Django); * Experience with relational database integration (MSSQL Server, Oracle); * Experience in file manipulation, external API consumption, and data parsing (JSON, XML). Desirable: * Knowledge of event-driven architecture using SNS, SQS, and EventBridge; * Experience with authentication/authorization mechanisms such as OAuth2, JWT, and Cognito; * Familiarity with secure development practices, CI/CD pipelines, and monitored environments. 2511190202461875499