Senior Python Developer

JPS Tech Solutions; Illinois; On-site; USD 140,000 - 190,000; Full time

Job summary

JPS Tech Solutions Pvt Ltd is seeking a highly experienced Python Developer to design and build scalable, high-performance RESTful APIs. You will focus on backend API development using Flask or FastAPI with strong OOP and production-grade coding practices.

The ideal candidate has 12+ years of IT experience and 5+ years of hands-on Python development, with proven API experience. Familiarity with AWS, Docker, Kubernetes, and testing frameworks is a plus.

Qualifications

• 12+ years of overall IT experience.
• 5+ years of strong, hands-on Python development.
• Proven experience building REST APIs using Flask or FastAPI.
• Strong understanding of object-oriented programming (OOP) concepts.
• Experience developing production-grade backend services.
• Solid debugging and problem-solving skills.
• Strong communication and collaboration abilities.

Responsibilities

• Design, develop, and maintain RESTful APIs using Python and Flask or FastAPI.
• Apply strong object-oriented design principles to build clean, reusable, and maintainable code.
• Develop backend services that are scalable, secure, and high-performing.
• Collaborate with product owners, architects, and frontend teams to deliver end-to-end solutions.
• Write efficient, well-tested, and production-ready Python code.
• Implement unit and integration tests to ensure code quality and reliability.
• Debug, troubleshoot, and resolve complex technical issues.
• Participate in code reviews and contribute to best practices.
• Maintain technical documentation and support ongoing enhancements.

Skills

Python development

Object-oriented programming

REST API design

Backend development

Debugging

Communication

Collaboration

Testing

Education

Tools

Flask

FastAPI

AWS

Docker

Kubernetes

Pytest

Unittest

Job description

Job Description

We are seeking a highly experienced Python Developer with 12+ years of overall IT experience, including 5+ years of deep, hands-on Python development, to design and build scalable, high-performance RESTful APIs. This role focuses on backend API development using Flask or FastAPI and strong application design principles.

The ideal candidate is a solid problem-solver with a strong foundation in object-oriented programming, experience building production-grade APIs, and the ability to work collaboratively in a fast-paced environment. While cloud exposure is limited in this project, familiarity with AWS and modern DevOps practices is a plus.

Key Responsibilities

• Design, develop, and maintain RESTful APIs using Python and Flask or FastAPI
• Apply strong object-oriented design principles to build clean, reusable, and maintainable code
• Develop backend services that are scalable, secure, and high-performing
• Collaborate with product owners, architects, and frontend teams to deliver end-to-end solutions
• Write efficient, well-tested, and production-ready Python code
• Implement unit and integration tests to ensure code quality and reliability
• Debug, troubleshoot, and resolve complex technical issues
• Participate in code reviews and contribute to best practices
• Maintain technical documentation and support ongoing enhancements

Required Qualifications & Experience

Must Have

• 12+ years of overall IT experience
• 5+ years of strong, hands-on experience in Python development
• Proven experience building REST APIs using Flask or FastAPI
• Strong understanding of object-oriented programming (OOP) concepts
• Experience developing production-grade backend services
• Solid debugging and problem-solving skills
• Strong communication and collaboration abilities

Preferred / Nice to Have

• Experience with Python libraries such as Pandas and NumPy
• Exposure to FinTech or financial domain projects
• Familiarity with AWS cloud services
• Experience with containers (Docker, Kubernetes)
• Experience with testing frameworks (Pytest, Unittest, Behave)