Python Developer - Active TS/SCI with FSP

Location: Herndon/Chantilly, VA

Clearance Required: TS/SCI with Full Scope Polygraph (FSP)

Position Type: Full-Time, On-Site

Salary Range: $190,000 – $210,000

We are seeking an experienced  Python Developer  to contribute to the development of advanced data processing applications in support of a mission-critical federal program. The ideal candidate will be responsible for designing and implementing scalable Python-based services, developing APIs, and integrating with existing systems and open-source tools. The role requires experience with CI/CD automation, containerized deployments, and Agile software development practices, with a strong focus on performance, maintainability, and cloud-readiness.

Primary Responsibilities:

• Collaborate with Chief Engineers and Technical Leads to translate functional requirements into technical user stories.
• Design, develop, and implement scalable Python-based components and services to support data-intensive applications.
• Develop and maintain web APIs using frameworks such as FastAPI to interface with cloud-native applications and databases.
• Implement automated testing strategies using PyTest and mocking tools to ensure robust CI/CD pipelines.
• Integrate Python applications into Docker containers and deploy to AWS environments as part of a distributed architecture.
• Utilize parallel data processing libraries such as PySpark, Pandas, and NumPy to enable efficient large-scale data transformations.
• Participate in Agile development cycles, including sprint planning, reviews, and backlog grooming.
• Guide technical design and support architecture decisions, ensuring alignment with best practices.
• Interface with stakeholders and mission partners to clarify requirements and ensure technical alignment.

Requirements

Minimum Qualifications:

• 3–5 years of professional experience with:
• Python data processing using libraries such as PySpark, Pandas, and NumPy
• API development with frameworks such as FastAPI
• Unit testing frameworks (e.g., PyTest and mocking libraries)
• Demonstrated experience developing containerized Python applications using Docker
• Familiarity with cloud deployment processes, preferably in AWS environments
• Proven track record of working in Agile teams and delivering iterative software capabilities
• Ability to work full-time on-site in Herndon/Chantilly, VA
• Active TS/SCI clearance with Full Scope Polygraph (FSP) is required at the time of application

Preferred Qualifications:

• Experience with Python ORM tools such as SQLAlchemy
• Experience deploying containerized Python code in cloud environments (e.g., AWS)
• Familiarity with integrating NLP frameworks and toolkits into operational systems
• Experience operationalizing AI/ML models using Python libraries and frameworks

Eligibility:

• Must be legally authorized to work in the United States without employer sponsorship, now or in the future
• Active TS/SCI with Full Scope Polygraph (FSP) clearance is required for this role

Benefits

Salary:
Salary for this position is determined based on factors such as location, qualifications, experience, and contract-specific budget considerations.

Proposed Salary Range: $190,000 – $210,000

Benefits:

Our client offers a comprehensive and competitive benefits package, including:

• 100% Company-Paid Health Insurance: Full coverage for medical, dental, and vision insurance for employees and their dependents (United Healthcare and Guardian)
• Protection Plans: Employer-paid life, short-term disability, and long-term disability insurance
• 401(k) Retirement Contribution: 15% of base salary contributed by the company, fully vested from day one
• Paid Time Off: 200 hours of PTO annually (accrued), in addition to 11 federal holidays
• Bonuses: Recruitment and business development bonus opportunities based on performance and company growth