Demo

Python Backend Developer

eSolutionsFirst, LLC
Mc Lean, VA Contractor
POSTED ON 5/1/2026
AVAILABLE BEFORE 5/31/2026

Python Backend Developer

12 Months contract extension

McLean , VA On-site M-F

Interview Type: On-site interview required.

Must Have Qualifications:

  • 7 years of backend development- Python required. Strong database skills-SQL Server or DB2, data extraction using Snowflake, and solid data analysis experience.
  • Freddie experience is highly preferred.

Job Description:

Responsibilities:

  • Play a key role in analyzing and converting complex SQL queries to align with new data sources, supporting large-scale data migrations, and ensuring seamless data integration across multiple systems.
  • Update LPMS applications to source securitization data from Nexus.
  • Support and execute data migration activities, ensuring data integrity and accuracy.
  • Work with Snowflake for data warehousing, migration, and advanced analytics.

Basic Requirements:

  • 7 years of Python and microservices experience is a must.
  • 5 years of hands-on experience with SQL, including complex query analysis and optimization.
  • 1 3 years of experience in integrating with Snowflake APIs and/or GraphQL for data extraction and manipulation.
  • 7-10 years of IT experience in design, development, integration and testing of software solutions based on Python, REST/SOAP Webservices, and web development.
  • 7-10 years of experience with relational databases including Sybase, SQL Server, and MySQL. Good knowledge and experience with database technologies such as SQL and NoSQL
  • Demonstrated ability to analyze and join large datasets across multiple sources.
  • Proficient in integrating with Snowflake APIs and/or GraphQL for data extraction and manipulation.
  • 3-5 years of experience with managing, building, and deploying code through tools including Jira, Eclipse, GIT, Bitbucket, Gradle, Docker, and Jenkins.
  • 3-5 years of experience designing and executing unit tests using python testing framework based on business requirements and functional specifications.
  • Experience with popular Python frameworks such as Django, and FAST API.
  • In-depth understanding of the Python software development stacks, ecosystems, frameworks and tools such as Numpy, Scipy, Pandas, Dask, spaCy, NLTK, sci-kit-learn.
  • Bachelor s degree in computer science or related field.

Preferred Skills:

  • Work independently contributing to the success of assigned project(s).
  • Collaborate with cross-functional teams including data architects, business analysts, and project managers.
  • Demonstrated business acumen, problem solving skills, intellectual maturity, and relationship management skills.
  • Prior Freddie Mac experience and understanding Corporate Data Warehouse is a plus.
  • Experience with ETL tools and data pipeline orchestration

Hourly Wage Estimation for Python Backend Developer in Mc Lean, VA
$78.00 to $98.00
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