{"schemaVersion":"jobsearcher.job.v1","id":"74e26b7caa9136384e58071a","url":"https://jobsearcher.com/jobs/74e26b7caa9136384e58071a","canonicalUrl":"https://jobsearcher.com/jobs/74e26b7caa9136384e58071a","title":"Python Developer Senior","description":"McLean, VA Contract To Hire Jul 30, 2026\nPython Developer Senior\nResponsibilities:\n\nDesign, build, and maintain scalable Python applications for data processing and analytics.\nDevelop RESTful APIs using Flask or FastAPI.\nImplement and optimize complex SQL queries and database structures in PostgreSQL.\nArchitect and maintain ETL pipelines using Informatica, ensuring data quality and integrity.\nWork with large datasets, ensuring efficient data ingestion, transformation, and storage.\nDevelop and optimize data transformation workflows using PySpark.\nCollaborate with cross-functional teams to define technical requirements and deliver solutions.\nTroubleshoot and resolve issues in production environments.\nMentor junior developers and contribute to best practices.\nRequirements:\n\nBachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).\n5+ years of professional experience as a Python developer.\n3+ years of experience with PostgreSQL, including database design and performance tuning.\n\n3+ years of experience developing APIs with Flask or FastAPI.\nProven experience working with large datasets and data-intensive applications.\nExperience integrating AI or machine learning models into data pipelines or applications.\nFamiliarity with Python-based machine learning libraries such as scikit-learn, TensorFlow, or\nPyTorch.\n2+ years of experience with data transformation using PySpark, Dask, Polars, etc.\nStrong understanding of data modeling, data warehousing, and data integration concepts.\nExperience with version control systems (e.g., Git).\nExcellent problem-solving skills and attention to detail.\nStrong communication and teamwork abilities.\nPreferred Qualifications:\n\nHands-on experience with Informatica and ETL processes.\nExperience with cloud platforms.\nFamiliarity with containerization (Docker, Kubernetes).\nKnowledge of data visualization tools and techniques.","company":"Technology Ventures","rawCompany":"technology ventures","city":"McLean","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-08-06T14:23:02.598Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1243.01","title":"Data Warehousing Specialists","slug":"data-warehousing-specialists"},{"code":"15-2051.00","title":"Data Scientists","slug":"data-scientists"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Python Developer Senior","description":"McLean, VA Contract To Hire Jul 30, 2026\nPython Developer Senior\nResponsibilities:\n\nDesign, build, and maintain scalable Python applications for data processing and analytics.\nDevelop RESTful APIs using Flask or FastAPI.\nImplement and optimize complex SQL queries and database structures in PostgreSQL.\nArchitect and maintain ETL pipelines using Informatica, ensuring data quality and integrity.\nWork with large datasets, ensuring efficient data ingestion, transformation, and storage.\nDevelop and optimize data transformation workflows using PySpark.\nCollaborate with cross-functional teams to define technical requirements and deliver solutions.\nTroubleshoot and resolve issues in production environments.\nMentor junior developers and contribute to best practices.\nRequirements:\n\nBachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).\n5+ years of professional experience as a Python developer.\n3+ years of experience with PostgreSQL, including database design and performance tuning.\n\n3+ years of experience developing APIs with Flask or FastAPI.\nProven experience working with large datasets and data-intensive applications.\nExperience integrating AI or machine learning models into data pipelines or applications.\nFamiliarity with Python-based machine learning libraries such as scikit-learn, TensorFlow, or\nPyTorch.\n2+ years of experience with data transformation using PySpark, Dask, Polars, etc.\nStrong understanding of data modeling, data warehousing, and data integration concepts.\nExperience with version control systems (e.g., Git).\nExcellent problem-solving skills and attention to detail.\nStrong communication and teamwork abilities.\nPreferred Qualifications:\n\nHands-on experience with Informatica and ETL processes.\nExperience with cloud platforms.\nFamiliarity with containerization (Docker, Kubernetes).\nKnowledge of data visualization tools and techniques.","datePosted":"2026-08-06T14:23:02.598Z","dateModified":"2026-08-06T14:23:02.598Z","hiringOrganization":{"@type":"Organization","name":"Technology Ventures","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"McLean","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"74e26b7caa9136384e58071a"},"url":"https://jobsearcher.com/jobs/74e26b7caa9136384e58071a"}}