Python jobs in Mc Lean

Senior Python Software EngineerTysons, VA – Need LocalAll candidates selected for an interview are required to complete our mandatory identity verification process. Must Have Qualifications: At least 5 years of hands-on Python software development experience with bachelor's degree or 3 years of hand

Big Data DeveloperFreddie Mac's Single Family Division is currently seeking a Big Data Developer to implement Big Data tools and methods of data processing and ingestion as a member of the Credit Analytics and Reporting team. Responsibilities include: Cleanse, manipulate and analyze large datasets (

Python DeveloperLocation: Tysons, VA - Onsite Duration: 12+ MonthsJob DescriptionResponsibilitiesRefactor and modernize existing components of the financial accounting and forecasting application to improve maintainability, performance, and scalability. Develop and enhance core forecasting engine fe

Python DeveloperLocation: Tysons, VA - Onsite Duration: 12+ MonthsJob DescriptionResponsibilitiesRefactor and modernize existing components of the financial accounting and forecasting application to improve maintainability, performance, and scalability. Develop and enhance core forecasting engine fe

Python DeveloperLocation: McLean, VA (Hybrid Tue-Thru)Duration: 6+ Months Possible Extension/ConversionJob DetailsMUST HAVESPythonPandasSQL ServerDatabase Development – T-SQL/SSIS/SSRS/etc. Database Schemas & NormalizationAngular/ReactAPI – REST/SOAP/Any OtherMetrics/Reports/DashboardingPREFERRE

Python DeveloperOur client seeks a Python Developer to support a voice biometrics platform. The contractor will enhance Python-based ETL pipelines, automate historical voice-data ingestion, and maintain platform reliability on AWS with PySpark and SQL. The team works with real-time voice data and da

Senior Data DeveloperSeeking a Senior Data Developer to implement data processing and ingestion of structured and semi-structured data as a member of the Innovation in Data Engineering and Analytics (IDEA) team. Responsibilities include: Cleanse, manipulate and analyze large datasets (Semi-Structure

Python API DeveloperLooking for a Python API Developer. Python, Flask, SQL, Pandas, NumPy & Pytest, Unitest, Monkey patch are all mandatory. Experience with Linux and Docker are mandatory. Position Overview: Financial Engineering team is seeking Python Developers for a large strategic financial

Data Analytics DeveloperThe hiring team provides data analytics on software delivery primarily via Tableau dashboards. Daily responsibilities for this role may include back-end/ETL development, data normalization, data structure build-out, handling different data types, and maintaining and managing

Python Web Application DeveloperLocation: Tyson Corner, VA (Hybrid)Classification: ExemptPosition Summary: We are seeking a mid-level Web Application Developer with strong Python experience and hands-on experience building, deploying, and maintaining Flask-based web applications. This role will supp

Job TitleMust-Have Skills:5+ years of hands-on experience as a Python DeveloperExpertise in frameworks such as Django, Flask, or FastAPIStrong knowledge of NumPy, pandas, and relational databasesExperience with unit testing and automation toolsFinancial engineering experience

Financial Accounting And Forecasting Application DeveloperFully onsite McLean, VA location: McLean, Virginia job type: Contract salary: $50 - 75 per hour work hours: 9am to 5pm education: Bachelors responsibilities: Refactor and modernize existing components of the financial accounting and forecasti

Senior Data DeveloperFreddie Mac is building a culture based on modern software delivery practices to support the secondary mortgage market through rapid technology and best practice innovation. Freddie Mac's Single-Family Division is currently seeking a Senior Data Developer to implement data proce

Full-Stack DeveloperAre you a developer, with a passion for delivering end to end technical solutions? Do you excel in an agile and business focused organization? Have you successfully delivered the right solution to your end users? If you have successfully delivered products and implemented just-in

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it's at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. Posit

Lead Data Engineer (Python, Scala, Spark)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers

Senior Python Software EngineerLocation: Tysons, VA (Onsite) Rate: DOE Position Type: Contract (08-24-2026 to 12-31-2026)Must Have QualificationsAt least 5 years of hands-on Python software development experience with bachelor's degree or 3 years of hands-on Python software development experience wi

Lead Software Engineer, Full Stack (Python, AWS)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers

Lead Software Engineer (Python, Scala, Spark, AWS)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breake

Lead Data Engineer - Risk Tech (Python, AWS)Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, do