S3 Connections LLC
Python Developer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Python Developer in Pasadena, CA, with a contract length of "unknown" and a pay rate of "unknown." Candidates must have 7+ years of backend development experience, expertise in Python and PySpark, and familiarity with PostgreSQL.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
October 31, 2025
🕒 - Duration
Unknown
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🏝️ - Location
On-site
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Pasadena, CA
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🧠 - Skills detailed
#Spark (Apache Spark) #DevOps #Data Pipeline #Debugging #Cloud #Data Engineering #Data Processing #GCP (Google Cloud Platform) #PySpark #Databases #Python #AWS (Amazon Web Services) #Azure #API (Application Programming Interface) #PostgreSQL #Databricks #Microservices #Scala
Role description
Role: Python/Pyspark/Databricks
Pasadena - CA LOCALS Only
Position is onsite 3x a week, starting day 1.
•
• ONSITE INTERVIEW IS REQUIRED
•
• 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.
• 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.
Role: Python/Pyspark/Databricks
Pasadena - CA LOCALS Only
Position is onsite 3x a week, starting day 1.
•
• ONSITE INTERVIEW IS REQUIRED
•
• 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.
• 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.
