Python Developer

Job Title: Python Developer

Location: Bellevue, WA / Dallas, TX

Duration: / Term: Contract

Experience Desired: 8 Years

Job Description:

Core Language & Architecture

• Python 3.11
• Advanced type hints (PEP 484), static typing discipline
• Async programming (asyncio, async/await, async generators)
• aiohttp / httpx (async HTTP clients)
• Pydantic v2 (BaseModel, validation, settings management)
• Structured logging & tracing patterns
• Redis (pub/sub, TTL, async clients)
• REST API design & integration patterns
• Retry/backoff strategies (Tenacity)
• Concurrency patterns (parallel tool calls, task orchestration

Data Engineering & ETL

• Prefect 2.x / 3.x
• Flows, tasks, futures
• Deployments (YAML)
• Work pools
• Blocks (Secrets, storage)
• Scheduling
• ETL/ELT design
• Incremental loads
• Idempotency
• Schema evolution
• Snowflake
• connector-python
• OAuth authentication
• Warehouse/schema management
• Query optimization
• PostgreSQL 16/17
• psycopg 3.x
• Async support
• Connection pooling
• SQLAlchemy 2.x (ORM asyncio)
• Alembic migrations
• Advanced SQL
• Multi-table JOINs
• CTEs
• Window functions
• Timezone conversion
• Pandas 2.x (complex multi-stage transformations)
• PyArrow / columnar formats
• Azure Blob Storage (azure-storage-blob)
• Document ingestion/parsing:
• Docling
• Unstructured
• python-docx
• python-pptx

Graph Algorithms & Pattern Processing

• NetworkX
• Connected components
• Transitive closure
• Graph construction
• Alarm correlation logic
• Regex engineering
• IPv4 / IPv6
• Network interface extraction
• CI/entity extraction
• Entity classification patterns

Backend Engineering (FastAPI Stack)

• FastAPI
• Routing
• Dependency injection
• Middleware
• Streaming responses (SSE)
• Async-first backend design
• Incremental/streaming LLM responses
• Background tasks & concurrency control
• Pydantic request/response models

Frontend (React Agent UI)

• React 18/19
• Hooks
• Context API
• Performance optimization
• TypeScript
• MSAL browser authentication
• JWT handling
• Streaming fetch / incremental rendering
• Real-time agent UI updates

Testing & Code Quality

• pytest
• Fixtures
• Parametrize
• Markers
• unittest.mock (patch, MagicMock)
• Ruff
• pre-commit hooks
• SAST integration

Key Skills:

Python background, async programming, FastAPI, API integrations, Data engineering & SQL, Pydantic and testing framework are mandatory