Description: Bachelor’s degree in Computer Science, Systems Analysis and Development, Information Systems, or related fields, completed or in progress. Intermediate English proficiency is desirable. Intermediate Excel proficiency is desirable. We are seeking 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 serverless applications in Python, emphasizing 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 core tools in the technology stack; * Implement monitoring, structured logging, and error handling; * Collaborate with architecture, DevOps, security, and product teams; * Participate in code reviews, definition of technical standards, and dissemination of best practices. Mandatory Requirements: * 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 integrating relational databases (MSSQL Server, Oracle); * Hands-on experience handling files, consuming external APIs, and parsing data (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. 2512210202551875499