[VCK] Backend Developer (Python + AWS)

About this role

We are Software Mind, an awesome team of engineers who are ready to ramp up any top-notch company’s projects! Our aim? To always be one step ahead. Become part of a multicultural company in constant growth with an excellent work environment certified by Great Place To Work!

About the Project

Software Mind is building a private, tenant-isolated AI assistant for the real estate title and settlement industry. The platform is a retrieval-first (RAG) system that ingests historical email, documents, and structured metadata into a per-tenant vector index, and serves grounded, cited, expert-weighted answers through a chat-style Q&A interface with single sign-on and full audit logging.

The platform is AWS-native with a Python/FastAPI backend, Vue.js frontend, OpenSearch/Pinecone vector store, and OpenAI/Anthropic/Bedrock as LLM provider. You will join a senior, cross-functional LATAM-based team where hands-on AI delivery experience not just familiarity is the baseline expectation.

Your Responsibilities

• 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.

Must-Have Skills & Experience

• 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.**

• F...