What are the responsibilities and job description for the Python Developer Senior (W2) position at Soho Square Solutions?
Job title : Python Developer Senior (W2 Only)
Location : McLean, VA (Looking for Local candidate)
Day – 1 onsite
Duration: Contract to Hire
Interview Mode: 1st – Virtual | 2nd – Onsite
We are seeking an experienced Senior Python Developer to join our team. The ideal candidate will have a strong background in Python development, PostgreSQL, Flask or FastAPI, and data transformation using modern data-processing frameworks. You will be responsible for designing, developing, and maintaining data-intensive applications and ETL pipelines. Experience with Informatica and scalable data transformation approaches is preferred.
Responsibilities:
- Design, build, and maintain scalable Python applications for data processing and analytics.
- Develop RESTful APIs using Flask or FastAPI.
- Implement and optimize complex SQL queries and database structures in PostgreSQL.
- Architect and maintain ETL pipelines using Informatica, ensuring data quality and integrity. Work with large datasets, ensuring efficient data ingestion, transformation, and storage.
- Develop and optimize data transformation workflows using PySpark.
- Collaborate with cross-functional teams to define technical requirements and deliver solutions.
- Troubleshoot and resolve issues in production environments.
- Mentor junior developers and contribute to best practices.
Requirements:
- Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
- 5 years of professional experience as a Python developer.
- 3 years of experience with PostgreSQL, including database design and performance tuning.
- 3 years of experience developing APIs with Flask or FastAPI. Proven experience working with large datasets and data-intensive applications.
- Experience integrating AI or machine learning models into data pipelines or applications.
- Familiarity with Python-based machine learning libraries such as scikit-learn, TensorFlow, or PyTorch.
- 2 years of experience with data transformation using PySpark, Dask, Polars, etc. Strong understanding of data modeling, data warehousing, and data integration concepts.
- Experience with version control systems (e.g., Git).
- Excellent problem-solving skills and attention to detail. Strong communication and teamwork abilities.
Preferred Qualifications:
- Hands-on experience with Informatica and ETL processes.
- Experience with cloud platforms. Familiarity with containerization (Docker, Kubernetes).
- Knowledge of data visualization tools and techniques.