Python Developer

VDart, Inc.

Dallas, United States of America

28 days ago

Role details

Contract type

Temporary to permanent

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

Job location

Dallas, United States of America

Tech stack

API

Cloud Storage

Software Quality

Computer Programming

Concurrency Controls

Information Engineering

ETL

Dependency Injection

Middleware

IPv4

IPv6

Python

PostgreSQL

Machine Learning

Named Entity Recognition

Network Interface

Routing

OAuth

Performance Tuning

Query Optimization

Redis

Regular Expressions

SQL Databases

SQLAlchemy

Data Streaming

TypeScript

YAML

Data Logging

React

Large Language Models

Snowflake

Concurrency

Backend

FastAPI

Pandas

Pytest

Front End Software Development

REST

Static Application Security Testing

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

Requirements

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