Python Developer

Job Title: Python Developer

Client: American Express (Amex)
Location: Phoenix, AZ
Duration: Long Term

Job Summary

We are seeking a highly skilled Python Developer to join our team supporting American Express (Amex) enterprise applications. The ideal candidate will have strong experience in backend development, API development, data processing, and cloud-based solutions within a financial services environment.

Key Responsibilities

• Design, develop, and maintain scalable Python-based applications.
• Build RESTful APIs and microservices using Flask / FastAPI / Django.
• Develop data processing pipelines using Pandas, NumPy, PySpark.
• Work with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).
• Integrate applications with internal and third-party financial systems.
• Collaborate with cross-functional teams including DevOps, QA, and Business Analysts.
• Implement unit testing using PyTest / Unittest.
• Deploy applications on cloud platforms (AWS / Google Cloud Platform / Azure).
• Ensure compliance with financial security standards and best practices.
• Participate in Agile/Scrum ceremonies.

Required Skills

• 5+ years of hands-on Python development experience.
• Strong knowledge of OOP concepts and design patterns.
• Experience building REST APIs and microservices architecture.
• Experience with SQL and database optimization.
• Knowledge of CI/CD pipelines (Jenkins, GitHub Actions).
• Experience with Docker and Kubernetes.
• Strong debugging and performance tuning skills.
• Experience working in financial services or banking domain (preferred).

Preferred Skills

• Experience with big data tools (Spark, Kafka).
• Knowledge of payment systems, fraud detection, or transaction processing.
• Familiarity with Amex compliance and data governance standards.
• Exposure to machine learning frameworks (scikit-learn, TensorFlow) is a plus.

Education

• Bachelor s or Master s degree in Computer Science, Engineering, or related field.