Python Backend Engineer - APIs

**Phoenix, AZ (Onsite 3 days/week - Hybrid)

Long Term Contract**

Our client is looking for a strong Python Backend Engineer to design and build high-performance APIs supporting enterprise-scale financial systems. This role is backend-heavy, API-driven and production-focused. You will work closely with product, architecture and platform teams to build secure, scalable microservices.

Core Responsibilities

• Design and develop RESTful APIs using Python
• Build scalable backend services in a microservices architecture
• Develop production-grade services with strong error handling and logging
• Integrate with relational and NoSQL databases
• Write unit tests and participate in code reviews
• Deploy and support services in cloud environments
• Collaborate with cross-functional engineering teams

Required Skills

• 7\+ years of backend development experience
• Strong Python experience (FastAPI, Flask, Django REST)
• Deep understanding of REST API design principles
• Experience with microservices architecture
• Strong SQL skills (PostgreSQL / MySQL / Oracle)
• Experience with Git and CI/CD pipelines
• Understanding of containerization (Docker)
• Experience working in Agile environments

Preferred:

• Experience with cloud platforms (AWS preferred)
• Kafka or event-driven architecture exposure
• Experience in financial services domain
• Familiarity with Kubernetes
• Exposure to API security (OAuth2, JWT)