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Senior Python Developer

Company:
eSolutionsFirst
Location:
Tysons, VA, 22107
Posted:
May 07, 2026
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Description:

We are seeking a Senior Python Developer to support the development of mission-critical applications built on modern software development frameworks.

The selected candidate will collaborate with engineering teams to design, develop, enhance, and maintain both customer-facing and internal applications/services. The role involves working across the full software development lifecycle, including server operations, backend development, testing, verification, and maintenance.

The developer will contribute to:

Building new features and enhancements

Code refactoring and optimization

Defect fixes and technical debt remediation

Application modernization and migration efforts

Performance improvements and scalability initiatives

Must-Have Qualifications

10+ years of backend development experience using Python, including large data libraries

Strong understanding of Object-Oriented Programming (OOP)

Experience working with large-scale databases

Master's degree in Computer Science (preferred)

Preferred Skills (Nice to Have)

Experience with cloud platforms (AWS, Azure, or GCP)

Familiarity with RESTful APIs and microservices architecture

Experience with data processing frameworks (e.g., Pandas, NumPy, PySpark)

Understanding of CI/CD pipelines and DevOps practices

Strong problem-solving and analytical skills

Work Schedule

Standard business hours

Full-time, on-site in McLean, VA (Monday-Friday)

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