Senior Python Backend Engineer | Flask/FastAPI | Top Secret

navitas; Herndon (VA); On-site; USD 110,000 - 150,000; Full time

Job summary

Navitas is seeking a Python Developer in Herndon, VA to design, build, and maintain robust backend services and REST APIs. You will work with Flask or FastAPI, Docker/Kubernetes, and AWS, collaborating with front-end teams and data/AI groups to deliver secure, scalable solutions.

Minimum 5+ years of Python experience, strong API design skills, and a solid understanding of CI/CD and DevOps practices are essential for success in this role. Excellent communication is required.

Qualifications

• Bachelor's degree or equivalent experience.
• 5+ years of hands-on Python development experience.
• Strong experience building Python applications and REST APIs using Flask or FastAPI.
• Experience with relational and NoSQL databases.
• Strong understanding of API design, backend architecture, and software engineering best practices.
• Experience with Git, CI/CD pipelines, Docker, Kubernetes, and cloud-native development.
• Experience with AWS and modern cloud services.
• Strong debugging, troubleshooting, and problem-solving skills.
• Excellent communication and collaboration skills.

Responsibilities

• Design, develop, test, and maintain Python backend services and REST APIs using frameworks such as Flask or FastAPI.
• Develop scalable, secure, and high-performance applications that integrate with databases and external services.
• Collaborate with front-end developers to support API integrations.
• Participate in all phases of the software development lifecycle from design to production support.
• Support CI/CD and DevOps practices, including containerization and deployment automation.
• Apply secure coding standards, logging, auditing, and best practices aligned with federal requirements.
• Optimize application performance and maintainability through testing and reviews.
• Troubleshoot production issues with engineering teams and implement long-term solutions.
• Create and maintain technical documentation for applications, APIs, and deployment processes.
• Collaborate with data/AI teams to integrate backend with analytics or ML solutions.

Skills

Python

REST APIs

Flask

FastAPI

Git

CI/CD

Docker

Kubernetes

AWS

Cloud

Education

Bachelor's degree

Tools

SQL databases

NoSQL databases

Job description

Navitas is seeking a Python Developer in Herndon, VA to design, build, and maintain robust backend services and REST APIs. You will work with Flask or FastAPI, Docker/Kubernetes, and AWS, collaborating with front-end teams and data/AI groups to deliver secure, scalable solutions.

Minimum 5+ years of Python experience, strong API design skills, and a solid understanding of CI/CD and DevOps practices are essential for success in this role. Excellent communication is required.