Desarrollador Back-end Senior (Python + AWS)

Worldwide | Oct. 31, 2025

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Company: CoyanServices

Country: Worldwide

Type: Remote

Employment: Full-time

Description: The position is 100% remote, in freelance mode, and It is open to professionals from any Latin American country.

CoyanServices is looking for an IT Business Architect (full-time, remote LATAM) to lead the translation of business objectives into technological architecture and the design of integrated, secure and scalable digital solutions.The role acts as a bridge between business and IT, defining and governing enterprise architectures and process maps (BPM), SAP / APIs / microservices integrations, and cloud solutions (AWS);In addition, it promotes DevOps and agile practices to ensure value, quality, performance and alignment with the digital strategy.You must evaluate technologies, coordinate with stakeholders, document and maintain the application roadmap, and supervise life cycle, testing (unit, integral, UAT, performance) and compliance with policies and standards. 

• Proven experience in backend development with Python (minimum 4 years).
• Experience in serverless architectures with AWS Lambda and API Gateway.
• Knowledge in AWS services: Secrets Manager, Cognito, RDS, DynamoDB, CloudWatch, S3, Step Functions.
• Experience with Python frameworks and libraries such as FastAPI, Flask or Django RESTFramework.
• Experience in automated testing (Pytest, Unittest) and good development practices.
• Familiarity with CI/CD tools (GitHub Actions, Terraform, CloudFormation).
• Knowledge in integrating REST APIs and GraphQL.
• Experience working in agile methodologies (Scrum/Kanban) and tools such as Jira or Confluence.

CoyanServices is looking for a Senior Backend Developer (Python + AWS), 100% remote and freelance in LATAM, for a serverless backend project with a regional client.The focus of the role is to design, develop and maintain microservices and APIs on AWS Lambda and API Gateway, integrate RDS/DynamoDB, manage security with Secrets Manager/Cognito, enable observability with CloudWatch Logs, and ensurequality through automated testing (Pytest/Unittest) and CI/CD pipelines (GitHub Actions, CodePipeline, CloudFormation/Terraform).Active participation is expected in technical and architectural definitions, collaborative work with development/QA/business under Scrum/Kanban, and orientation to performance, scalability and compliance in agile environments.

• Design, develop and maintain backend microservices using Python and AWS.
• Implement serverless and cloud-native architectures with high standards of security, performance and scalability.
• Participate in technical, functional and architectural definitions together with multifunctional teams.
• Anticipate risks and timely communicate incidents that affect delivery compliance or product quality.

Soft skills:

• Effective collaboration with multidisciplinary teams.
• Clear communication with technical and non-technical users.
• Autonomy, proactivity and self-management capacity.
• Results orientation and continuous improvement.
• Adaptability to changing technological environments.

• Develop and maintain APIs and microservices in AWS Lambda using Python.
• Deploy and manage endpoints using AWS API Gateway.
• Manage secrets, credentials, and secure configurations with AWS Secrets Manager.
• Consume and manage relational databases (RDS) and NoSQL (DynamoDB).
• Implement monitoring, alerting, and logging with AWS CloudWatch.Logs.
• Develop and maintain unit and integration tests (Pytest, Unittest).
• Participate in the integration of CI/CD pipelines (GitHub Actions, CodePipeline, CloudFormation)
• Collaborate with development, QA and business teams to guarantee the quality and integration of the solutions.

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