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Software Engineer - Python

S3 Connections LLC
Pasadena, CA Contractor
POSTED ON 12/12/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Software Engineer - Python position at S3 Connections LLC?

Role: Python Developer

Location : Pasadena- CA 3 days onsite

Skills: Python , Pyspark , Data Bricks

Key Responsibilities:

  • Design, develop, and maintain backend services and high-performance data pipelines using Python and PySpark.
  • Architect and implement scalable APIs and microservices to support business-critical applications and integrations.
  • Design and optimize PostgreSQL data models and queries for performance and reliability.
  • Collaborate with cross-functional teams including data engineers, architects, and DevOps to ensure system robustness and scalability.
  • Lead technical design discussions, mentor junior engineers, and enforce best practices in backend development.
  • Participate in performance tuning, debugging, and production support.
  • Integrate with external systems such as OpenText (experience helpful but not required).

Required Skills and Experience

  • 7 years of professional software development experience, with a focus on backend systems.
  • Expert-level proficiency in Python and PySpark for backend and data processing workloads.
  • Experience with Databricks
  • Strong understanding of backend architecture, distributed systems, and API design.
  • Experience with PostgreSQL or other relational databases.
  • Familiarity with cloud-based environments (AWS, Azure, or GCP) and CI/CD pipelines.
  • Strong problem-solving skills and ability to work independently on complex projects.

Salary : $50 - $60

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