AppLab Systems, Inc
Python Developer with Spark & LLM
Skills
17 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Sunnyvale, CA, USA
Work mode:
Onsite
Published on:
2 October 2026
What they need
**Hi,
Hope you are doing well.** This side Sania, I am a Recruiter with Applab Systems. We provide staffing solutions for fortune 100 clients. I found your resume from one of the job boards and I found it suitable for the below role.
Kindly review the below job description and let me know your contact information and a suitable time to reach you
Job Title: Python Developer with Spark & LLM Location: Sunnyvale, CA (Onsite) Duration: Long-Term Contract
Job Description We are seeking an experienced Python Developer with Apache Spark and Large Language Models (LLMs) expertise to join our team in Sunnyvale, CA. The ideal candidate will have strong experience in building scalable data processing pipelines, developing AI/ML solutions, and integrating Generative AI technologies into enterprise applications.
Required Skills
- 5+ years of hands-on experience in Python Development
- Strong experience with Apache Spark (PySpark)
- Experience working with Large Language Models (LLMs) such as GPT, Llama, Claude, Gemini, etc.
- Expertise in Generative AI, Prompt Engineering, RAG (Retrieval-Augmented Generation), and Vector Databases
- Experience with LangChain, LangGraph, LlamaIndex, or similar frameworks
- Strong understanding of data processing, ETL pipelines, and distributed computing
- Experience with SQL, NoSQL databases, and data modeling
- Hands-on experience with cloud platforms (AWS, Azure, or GCP)
- Experience with REST APIs, microservices, and containerization (Docker/Kubernetes)
- Strong debugging, performance tuning, and optimization skills
Responsibilities
- Design and develop scalable applications using Python and PySpark.
- Build and optimize large-scale data processing pipelines.
- Develop and deploy Generative AI and LLM-based solutions.
- Implement RAG architectures using vector databases such as Pinecone, ChromaDB, or FAISS.
- Integrate LLMs with enterprise applications and data platforms.
- Collaborate with Data Engineers, Data Scientists, and Product teams to deliver AI-driven solutions.
- Ensure application performance, scalability, and security best practices
Have a Great Day!
Warm Regards,
Sania Wadhwa Technical Recruiter Contact Details: 609-755-5388 Email: [email protected] 4365 Route 1 South, Suite 105 Princeton, NJ 08540 www.applabsystems.com
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