Python Fullstack Developer

Job Summary (Python Fullstack Developer – T-Mobile)

• Role: Python Fullstack Developer
• Location: Bellevue, WA (Remote option available)
• Experience: Only candidates with product-based company experience considered

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Mandatory Skills:

• Strong Python background (Python 3.11+)
• Asynchronous programming (asyncio, async/await)
• FastAPI and REST API design/integration
• API integrations
• Data engineering & SQL (PostgreSQL, Snowflake, SQLAlchemy)
• Pydantic (v2) for data validation
• Testing frameworks (pytest, unittest.mock)
• STAR Method experience

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Core Language & Backend Architecture:

• Advanced Python typing (PEP 484), static typing
• Async HTTP clients (aiohttp, httpx)
• Structured logging & tracing
• Redis (pub/sub, TTL, async clients)
• Retry/backoff strategies (Tenacity)
• Concurrency patterns (parallel tool calls, orchestration)

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Data Engineering & ETL:

• Prefect (2.x/3.x) for orchestration (flows, tasks, deployments, scheduling)
• ETL/ELT pipeline design (incremental loads, idempotency, schema evolution)
• Data warehouse: Snowflake (connector-python, OAuth, schema management)
• PostgreSQL (async support, connection pooling, advanced SQL)
• SQLAlchemy 2.x, Alembic migrations
• Pandas, PyArrow for data transformation
• Azure Blob Storage integration
• Document ingestion/parsing (Docling, Unstructured, python-docx, python-pptx)

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Graph Algorithms & Pattern Processing:

• NetworkX (graph construction, connectivity, alarm correlation)
• Regex engineering, IPv4/IPv6 network extraction, entity extraction/classification

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Backend Engineering (FastAPI Stack):

• FastAPI (routing, dependency injection, middleware)
• Streaming responses, background tasks, async-first backend
• Pydantic models for request/response validation

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Frontend Development (React Agent UI):

• React (18/19), Hooks, Context API, TypeScript
• Performance optimization, streaming fetch, real-time updates
• MSAL browser authentication, JWT handling

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Testing & Code Quality:

• pytest (fixtures, parametrize, markers)
• unittest.mock (patch, MagicMock)
• Ruff, pre-commit hooks, SAST integration

Additional Requirements

• Must have an old LinkedIn profile with a photo
• Must provide photo ID
• Product-based company experience is a must