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Backend Engineer - LLM & Data Engineering
Backend Engineer - LLM & Data EngineeringPurple Drive • Richardson, TX, United States
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Backend Engineer - LLM & Data Engineering

Backend Engineer - LLM & Data Engineering

Purple Drive • Richardson, TX, United States
30+ days ago
Job type
  • Full-time
Job description
Overview:

Role Summary

We are looking for a Backend Engineer with strong experience in Python, LLM integration, and data engineering. The ideal candidate will have hands-on expertise in prompt engineering, fine-tuning LLMs, and working with LangChain and vector databases, while also ensuring robust API and backend development on modern cloud platforms.

Key Responsibilities

  • Design, develop, and maintain backend services and APIs with a strong focus on scalability and performance.
  • Implement LLM-based solutions, including prompt engineering and fine-tuning of large language models.
  • Build and optimize pipelines leveraging LangChain, vector databases, and LLM frameworks (OpenAI, Vertex AI, Hugging Face Transformers, etc.).
  • Develop and integrate REST APIs to support AI-driven applications and workflows.
  • Work on cloud platforms (AWS, GCP, or Azure) for deployment, scaling, and monitoring.
  • Collaborate with cross-functional teams to deliver end-to-end AI-powered solutions.
Required Skills & Experience

  • 5+ years of professional experience in software/data engineering with a backend focus.
  • Strong Python programming expertise.
  • Hands-on experience with LangChain, LLMs (OpenAI, Vertex AI, Hugging Face, etc.), and vector databases.
  • Knowledge of prompt engineering and LLM fine-tuning techniques.
  • Strong understanding of REST API design and integration.
  • Experience with cloud environments (AWS, GCP, or Azure).
Good to Have

  • Experience with ETL/ELT pipelines and handling large datasets.
  • Strong knowledge of data preprocessing for ML/AI applications.
  • Familiarity with application security (authentication, authorization, vulnerability mitigation).
  • Exposure to DevOps tools (Docker, Kubernetes, GitHub Actions, Jenkins, etc.).
  • Experience with FastAPI for building high-performance APIs.
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Backend Engineer - LLM & Data Engineering • Richardson, TX, United States

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