Senior Python Developer :: Onsite :: W2 Position

Dice is the leading career destination for tech experts at every stage of their careers. Our client, Trebecon LLC, is seeking the following. Apply via Dice today!Job Title: Senior Python DeveloperLocation: Mclean, VA (Onsite)We are looking for a Senior Python Developer to join the team and support enterprise data modernization initiatives. The role focuses on building and enhancing ETL and data processing applications that support critical business operations and end-of-day reporting activities.The ideal candidate should have strong hands-on experience with Python development, database technologies, testing frameworks, and containerization tools.Required Skills5+ years of software development experience using PythonStrong experience with:PythonGit/GitHubUnit Testing (Pytest or similar)SQL and relational databasesHands-on experience with at least one of the following:SnowflakeDatabricksSQL Server1–2 years of experience with containerization tools:DockerKubernetesPodman (nice to have)Experience with Python libraries such as:PandasNumPyGood understanding of Agile development practicesStrong problem-solving and communication skillsResponsibilitiesModernize and enhance existing ETL applications for better scalability and performanceDevelop data pipelines and implement ETL solutionsPerform end-to-end and parallel testing to ensure data accuracy and integrityCreate automated unit and integration testsTroubleshoot defects and improve application reliabilityCollaborate with cross-functional teams across data, APIs, and infrastructureSupport infrastructure upgrades and platform migrationsParticipate in code reviews, technical discussions, and documentationBuild quality control reports and perform data profiling activitiesPreferred QualificationsMaster’s degree in Computer Science, Information Technology, or related fieldExperience with JIRA or similar project management toolsExposure to enterprise data modernization projectsRelevant technical certifications are a plus