Cygnus Professionals Inc.
Python Backend Development with FastAPI and Spark
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Python Backend Developer with FastAPI and Spark in Sunnyvale, California. Contract length is unspecified, with a pay rate of "unknown." Key skills include Python, Spark, data pipelines, and AWS experience.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
June 24, 2026
🕒 - 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
Sunnyvale, CA
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🧠 - Skills detailed
#"ETL (Extract #Transform #Load)" #Datasets #FastAPI #Data Pipeline #API (Application Programming Interface) #Data Processing #Scala #Spark (Apache Spark) #PySpark #Python #AWS (Amazon Web Services) #AI (Artificial Intelligence)
Role description
Python backend development with FastAPI and Spark
Sunnyvale, California, United States (Onsite)
Technical Skills
• Strong experience in Python backend development (FastAPI preferred)
• Proven expertise in Spark (Scala or PySpark) for large-scale data processing
• Experience building data pipelines, ETL, and distributed processing systems
• Hands-on exposure to LLM/Agentic frameworks (LangGraph, Claude Code, or similar)
• Knowledge of API integration and schema transformation techniques
• Strong understanding of data validation, quality frameworks, and testing strategies
• Experience working on AWS-based data platforms
Preferred / Good to Have
• Experience with agentic AI systems, multi-step reasoning workflows, or code generation pipelines
• Exposure to spec-driven development or model-driven architecture
• Familiarity with large enterprise ecosystems and tools (data validation platforms, ingestion frameworks, etc.)
• Experience handling high-volume datasets (1M+ records)
• Knowledge of data onboarding, vendor integration, or marketplace data standardisation
Python backend development with FastAPI and Spark
Sunnyvale, California, United States (Onsite)
Technical Skills
• Strong experience in Python backend development (FastAPI preferred)
• Proven expertise in Spark (Scala or PySpark) for large-scale data processing
• Experience building data pipelines, ETL, and distributed processing systems
• Hands-on exposure to LLM/Agentic frameworks (LangGraph, Claude Code, or similar)
• Knowledge of API integration and schema transformation techniques
• Strong understanding of data validation, quality frameworks, and testing strategies
• Experience working on AWS-based data platforms
Preferred / Good to Have
• Experience with agentic AI systems, multi-step reasoning workflows, or code generation pipelines
• Exposure to spec-driven development or model-driven architecture
• Familiarity with large enterprise ecosystems and tools (data validation platforms, ingestion frameworks, etc.)
• Experience handling high-volume datasets (1M+ records)
• Knowledge of data onboarding, vendor integration, or marketplace data standardisation
