Senior Backend Engineer (Python) to $5500

You are not just building CRUD APIs - you are building the "connective tissue" that ingests data from multiple business systems, processes it, and serves it to our AI Agents.

Solve two problems: Fragmentation and Intelligence. Build high-performance services that ingest messy data from ERPs, clean it for our Data Lakehouse, and serve it for RAG-based AI agents.

Tech Stack

• Core: Python (FastAPI, Django)
• Database: PostgreSQL (Complex SQL, JSONB), Redis
• ORM: SQLAlchemy
• AI/LLM: LangChain, RAG, Azure AI Search

• Infrastructure: Azure Container Apps, Azure Functions, Docker

   

Responsibilities

• Design production-grade REST APIs using FastAPI
• Build data pipelines using Pandas/NumPy for ERP/CRM data processing
• Implement RAG workflows for document-based AI (Field Pack AI)
• Build robust connectors for third-party systems

• Enforce quality: 80% test coverage, strict type-hinting

   

Requirements

• 5+ years Python backend development
• Strong Pandas/NumPy and SQLAlchemy experience
• Hands-on RAG or LLM backend experience
• PostgreSQL optimization experience
• Pytest and modular code practices

• English B2+ (daily syncs with US team)

   

Nice to Have

• Azure ecosystem (Functions, Key Vault, Container Apps)
• Pandas (for quick data manipulation)
• Construction or logistics industry experience
• OCR/document processing