Backend Developer, Python, AWS

Software Mind

Backend Developer leading the creation of a private AI assistant platform for real estate. Collaborating with a senior team on AWS-native development using Python and FastAPI.

Posted 6/17/2026full-timeRemote • 🇦🇷 ArgentinaMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSDynamoDBFlaskPython

About the role

Key responsibilities & impact

Build and maintain the BFF/Backend API layer (Python/FastAPI, ECS/Lambda).
Implement SSO / identity provider integration and the tenant-based authentication schema (AWS Cognito).
Build the audit logging layer, from minimal dev logging through to full document lifecycle tracking.
Develop core API services supporting the chat Q&A interface and retrieval orchestration.
Integrate with AWS services: API Gateway, Cognito, DynamoDB, S3, CloudWatch.
Write unit and integration tests; support the QA Automation Engineer with testable, documented service contracts.
Participate in code reviews and contribute to maintaining backend code quality standards alongside the Tech Lead.

Requirements

What you’ll need

3+ years in backend software development.
Proficient in Python; FastAPI or Flask experience preferred.
Experience with AWS serverless and container services: Lambda, ECS, API Gateway.
Experience with DynamoDB / S3.
Familiarity with SSO/OAuth 2.0/OIDC patterns; AWS Cognito or equivalent identity provider integration experience.
Understanding of API design principles, audit logging patterns, and secure data handling.
Comfortable working in agile/scrum teams with Jira.

Benefits

Comp & perks

Flexible work arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

PythonFastAPIFlaskAWS LambdaAWS ECSAPI GatewayDynamoDBS3SSOOAuth 2.0

Soft Skills

code reviewscollaborationcommunicationagilescrum