Senior Python Developer - Streamlit / Snowflake Migration

Work Authorization: GC, USC, All valid EADs except OPT, CPT, H1B Must Have: Python Snowflake AWS EC2 SQL Code modularization and refactoring Authentication and access control Testing / QA in production and server environments Responsibilities: Migrate an existing Streamlit-based workforce planning application from a Snowflake Native App architecture to an AWS EC2-hosted environment. Refactor the current Python codebase to improve modularity, maintainability, performance, and memory efficiency. Maintain and optimize read/write integrations with Snowflake, including transactional write-back, hybrid table interactions, and authentication handling across environments. Support EC2 environment setup, deployment configuration, dependency management, and server-side testing. Identify and resolve differences between QA and production environments, including caching behavior and authentication fallback issues. Partner with internal technical leads to execute the migration within a short, milestone-driven engagement. Deliver technical documentation covering architecture, deployment steps, and operational runbooks. Qualifications: 5+ years of professional Python development experience in enterprise or large-scale environments. Strong experience building and supporting production-grade Python applications with clean, modular architecture. Hands‑on experience with Snowflake, including SQL development, roles/permissions, warehouse concepts, and Python connector-based integrations. Experience deploying and managing Python applications on AWS EC2, including server setup, security groups, IAM roles, and networking. Strong understanding of application hosting patterns such as systemd, Docker, reverse proxies, SSL/TLS, and domain routing. Experience troubleshooting environment-specific issues across QA and production. Ability to contribute immediately in a short-term engagement with minimal ramp-up time. Nice to Have: Prior experience migrating applications from Snowflake Native Apps to externally hosted environments DocuSign API or other e‑signature platform integration experience Experience with HR or workforce planning data domains Experience building persona-based or role-based access layers in Streamlit #J-18808-Ljbffr