Senior Python Developer

Job Category: Python Developer Job Type: Hybrid Job Location: McLean Virginia Compensation: Depends on Experience W2: W2-Contract Only; Kindly note that applications on a C2C basis will not be considered for this role. Job Description Job Description: We are seeking a highly experienced Python Developer with 12+ years of overall IT experience , including 5+ years of deep, hands-on Python development , to design and build scalable, high-performance RESTful APIs . This role focuses on backend API development using Flask or FastAPI and strong application design principles. The ideal candidate is a solid problem-solver with a strong foundation in object-oriented programming , experience building production-grade APIs, and the ability to work collaboratively in a fast-paced environment. While cloud exposure is limited in this project, familiarity with AWS and modern DevOps practices is a plus. Key Responsibilities Design, develop, and maintain RESTful APIs using Python and Flask or FastAPI Apply strong object-oriented design principles to build clean, reusable, and maintainable code Develop backend services that are scalable, secure, and high-performing Collaborate with product owners, architects, and frontend teams to deliver end-to-end solutions Write efficient, well-tested, and production-ready Python code Implement unit and integration tests to ensure code quality and reliability Debug, troubleshoot, and resolve complex technical issues Participate in code reviews and contribute to best practices Maintain technical documentation and support ongoing enhancements Required Qualifications & Experience Must Have 12+ years of overall IT experience 5+ years of strong, hands-on experience in Python development Proven experience building REST APIs using Flask or FastAPI Strong understanding of object-oriented programming (OOP) concepts Experience developing production-grade backend services Solid debugging and problem-solving skills Strong communication and collaboration abilities Preferred / Nice To Have Experience with Python libraries such as Pandas and NumPy Exposure to FinTech or financial domain projects Familiarity with AWS cloud services Experience with containers (Docker, Kubernetes) Experience with testing frameworks (Pytest, Unittest, Behave) Apply Online Your Name * Your Phone Number * Your Email Address * Job id What is your current U.S. visa or immigration status? * SelectU.S. Citizen (USC)Lawful Permanent Resident (Green Card holder)H1BF1-OPT/Stem-OPT/CPT EADH4-EADL-2SGC-EADOther Valid Visa Do you have an approved I-140? * YesNoIn process NOTE*- This question is used only for immigration planning related to H-1B transfer, amendment, extension, or future sponsorship. Your answer will not be used to determine your basic eligibility for the role. Please specify your current visa status * Where are you currently located at? * W2 or C2C * SelectW2C2C How many years of total experience do you have? * How many years of relevant experience do you have? * Do you require H1B sponsorship? * YesNo Upload Resume * Δ Facebook X LinkedIn WhatsApp