Demo

Sr Python Developer :: McLean, VA - Only Locals to VA/DC/MD

Reliable Software Resources
Mc Lean, VA Contractor
POSTED ON 8/1/2026
AVAILABLE BEFORE 8/31/2026

Job Role: Sr Python Developer

Location: Full-time on-site in McLean, VA

Assignment Type: CTH

 

Must Have Qualifications: 5 years of engineering experience with at least 2 years of recent Python experience, specializing in heavy data applications. Demonstrates strong data integrity skills and proficiency in SQL, with a proven track record of leading data-focused projects.

 

Interview Information:

Rounds: 2 rounds

Interview Type: MS Teams - Video Mandatory | In Person

We are seeking an experienced Senior Python Developer to join our team. The ideal candidate will have a strong background in Python development, PostgreSQL, Flask or FastAPI, and data transformation using modern data-processing frameworks. You will be responsible for designing, developing, and maintaining data-intensive applications and ETL pipelines. Experience with Informatica and scalable data transformation approaches is preferred.

 

Requirements:

  • Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
  • 5 years of professional experience as a Python developer.
  • 3 years of experience with PostgreSQL, including database design and performance tuning.
  • 3 years of experience developing APIs with Flask or FastAPI.
  • Proven experience working with large datasets and data-intensive applications.
  • Experience integrating AI or machine learning models into data pipelines or applications.
  • Familiarity with Python-based machine learning libraries such as scikit-learn, TensorFlow, or PyTorch.
  • 2 years of experience with data transformation using PySpark, Dask, Polars, etc.
  • Strong understanding of data modeling, data warehousing, and data integration concepts.
  • Experience with version control systems (e.g., Git).
  • Excellent problem-solving skills and attention to detail.
  • Strong communication and teamwork abilities.

Preferred Qualifications:

  • Hands-on experience with Informatica and ETL processes.
  • Experience with cloud platforms.
  • Familiarity with containerization (Docker, Kubernetes).
  • Knowledge of data visualization tools and techniques.

 

 

Hourly Wage Estimation for Sr Python Developer :: McLean, VA - Only Locals to VA/DC/MD in Mc Lean, VA
$59.00 to $76.00
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Sr Python Developer :: McLean, VA - Only Locals to VA/DC/MD?

Sign up to receive alerts about other jobs on the Sr Python Developer :: McLean, VA - Only Locals to VA/DC/MD career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
Income Estimation: 
$101,387 - $124,118
Income Estimation: 
$119,030 - $151,900
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Reliable Software Resources

  • Reliable Software Resources Lisle, IL
  • Job Title: senior AI engineer Location: Either Columbia, MD or Lisle, IL Onsite: 4 days a week Contract: 6-9 months contract to hire Must have: 1. Google C... more
  • 3 Days Ago

  • Reliable Software Resources Mc Lean, VA
  • Job Role: Sr Java Full Stack Developer Location : McLean, VA (Only Locals to VA/MD/DC) Assignment Type: Contract Only In-Person Interview Required Must Hav... more
  • 5 Days Ago

  • Reliable Software Resources Fort Mill, SC
  • Position: Sr AIOPS Engineer - Incident Manager / SRE Location: Hybrid Onsite (Multiple Locations) Contract: 6 months Qualifications Bachelor's degree in Co... more
  • 8 Days Ago

  • Reliable Software Resources Mc Lean, VA
  • Role : : Location :: Onsite McLean, Virginia Duration : Long Term Job Description :: Required Skills · 3–5 years prior experience in software development, ... more
  • 15 Days Ago


Not the job you're looking for? Here are some other Sr Python Developer :: McLean, VA - Only Locals to VA/DC/MD jobs in the Mc Lean, VA area that may be a better fit.

  • Reliable Software Resources Mc Lean, VA
  • Job Role: Sr Java Full Stack Developer Location : McLean, VA (Only Locals to VA/MD/DC) Assignment Type: Contract Only In-Person Interview Required Must Hav... more
  • 5 Days Ago

  • Cyber Sphere LLC Mc Lean, VA
  • Job title: Scrum master Location: Mclean,VA - onsite Longterm contract Required Qualifications 5 years of experience as a Technology Scrum Master Strong ex... more
  • 5 Days Ago

AI Assistant is available now!

Feel free to start your new journey!