Position : Python Developer Location : Fort Mill, SC / NYC, NY Duration : Full-Time ROLE SUMMARY Seeking a Senior Python Backend API Engineer with deep hands-on experience building and operating production-grade backend APIs. The candidate must demonstrate strong ownership, technical depth, and independent execution capability. MANDATORY SCREENING CRITERIA (ALL REQUIRED) 1. Core Python Backend Expertise
- 5+ years of hands-on Python backend development
- Designed and implemented REST APIs from scratch
- Strong experience with FastAPI, Flask, or Django REST Framework
- Must be currently writing production Python code 2. API Design & Security
- REST principles : resource modeling, versioning, idempotency
- Authentication & authorization : JWT, OAuth2, API keys
- Error handling, logging, and observability 3. Database & Data Handling
- Strong experience with PostgreSQL or MySQL
- Schema design, indexing, query optimization
- Transactions and data integrity 4. Engineering Discipline
- Clean, maintainable, testable code
- Unit and integration testing
- Independent debugging of production issues
- Refactoring legacy or poorly structured codebases NICE-TO-HAVE (STRONG ADVANTAGE)
- AWS or cloud exposure (EC2, Lambda, API Gateway, S3, IAM)
- Docker (required if Kubernetes is mentioned)
- Kubernetes, CI / CD pipelines
- Async Python, background jobs, or message queues