5+ years of professional software development experience. Strong skills in Python, SQL, and API/ETL development. Solid foundation in computer science (data structures, algorithms, system design). Experience with relational databases and data warehouses (PostgreSQL, Snowflake). Proven ability to lead design/architecture discussions for reliability and scaling. Familiarity with containerized environments, CI/CD, and modern software practices. Experience with Snowflake, Databricks, or modern data architectures (Data Lakes). Experience with Typescript + React (MUI), or equivalent modern frontend frameworks. Experience designing and implementing REST APIs. Strong SQL optimization skills. SaaS application experience on AWS, Azure, or GCP. Demonstrated ability to lead projects end-to-end in a startup or high-growth environment.