B
BCforward
Lead Python Developer
Skills
SQL QueriesData EngineeringPythonAIAWSPySpark
14 days ago
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Important information
Contract type:
Freelance / Contract
Salary:
$156,000 – $166,400 / year
Location:
Wilmington, DE, USA
Work mode:
Onsite
Published on:
8 October 2026
What they need
Position : Lead Python Developer with LLM
Location : Wilmington, DE / Plano, TX
- Python
- Strong hands-on development
- Production-grade coding
- Data processing/backend development
- PySpark / Apache Spark
- Large-scale data processing
- Spark performance optimization
- Partitioning, caching, joins, AQE
- Building and supporting production pipelines
- AWS
- Practical AWS development experience
- Particularly relevant: S3, Lambda, EC2, Glue, EMR, API Gateway
- Cloud-native application/data engineering
- SQL
- Strong SQL development
- Data transformation and querying
- Working with large datasets
- Artificial Intelligence / Generative AI
- AI application development rather than only theoretical AI knowledge
- LLMs
- RAG
- Agentic AI
- Integration of AI models/APIs into applications
- Lead Developer capability
- Able to remain hands-on while leading technical delivery
- Design solutions
- Review code/design
- Troubleshoot production issues
- Guide other developers
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