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Python Backend Developer

Jobs via Dice
Mc Lean, VA Full Time
POSTED ON 4/30/2026
AVAILABLE BEFORE 5/29/2026
Dice is the leading career destination for tech experts at every stage of their careers. Our client, eSolutionsFirst, LLC, is seeking the following. Apply via Dice today!

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

Salary.com Estimation for Python Backend Developer in Mc Lean, VA
$110,793 to $141,160
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