Python Developer(Only w2)

Position: Python Developer(Only w2)Work Location: Princeton, NJ(Only Locals/Onsite)Minimum 5+ Years of Experience required.Job Description:We are looking for a highly skilled Python Developer with strong expertise in backend development, API design, and database systems. The candidate will be responsible for building scalable applications, high-performance APIs, and integrating with enterprise data platforms.Core Technical Skills:Programming & Frameworks:Strong proficiency in PythonHands-on experience with FastAPIStrong understanding of OOP concepts and clean coding practicesExperience with asynchronous programming (Asyncio)REST API design and developmentMicroservices architecturePython Ecosystem & Libraries:Pydantic, SQLAlchemy, AlembicPandas, NumPyRequests / HTTPXPytest (testing frameworks)Celery, Redis (background processing & caching)Logging frameworks (Loguru / Python logging)Environment management tools (Poetry / Pipenv / virtualenv)API servers (Uvicorn / Gunicorn)JWT / OAuth2 authenticationOpenAPI / SwaggerDocker & container-based developmentAPI Development Responsibilities:Develop and maintain high-performance APIs using FastAPIImplement authentication & authorizationRequest/response validation and error handlingMiddleware and dependency injectionBackground jobs and async processingAPI versioning and rate limitingLogging, monitoring, and documentationDatabase Skills:SQL Server:Strong experience with complex queries, joins, CTEsStored procedures, triggers, functionsQuery optimization and performance tuningExecution plans, indexing strategiesETL processes and large data handlingSnowflake:Data modeling and schema designSnowflake SQL optimizationTasks, streams, SnowpipeData loading/unloadingPerformance & cost optimizationSecurity (RBAC) and data sharingSQL Expertise:Advanced SQL (CTEs, window functions, aggregates)Stored procedures and triggersTransactions and locking mechanismsQuery tuning and optimizationData warehousing conceptsData validation and reconciliationAdditional Skills:Experience with ORMs and raw SQLDebugging and performance tuningUnit & integration testingCI/CD pipelinesGit and version controlDocker and containerizationCloud exposure (AWS / Azure / GCP)Messaging tools (Kafka / RabbitMQ – plus)Responsibilities:Develop scalable backend applicationsBuild secure REST APIsIntegrate with SQL Server and SnowflakeOptimize performance of applications and databasesWrite clean, reusable, and maintainable codeCollaborate with cross-functional teamsTroubleshoot production issuesSupport deployment and monitoringExperience Required:5+ years of Python backend developmentStrong hands-on experience with FastAPI, SQL Server, and SnowflakeEducation:Bachelor’s degree in Computer Science / IT or related fieldIf I missed your call ! Please drop me a mail.Thank you,HarishTalent Acquisition Astir IT Solutions, Inc - An E-Verified CompanyEmail:Direct : 7326946000*78850 Cragwood Rd. Suite # 219, South Plainfield, NJ 07080www.astirit.com