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Hallmark Global Technologies Inc Logo
Data Scientist
Posted On: 11 days ago
Experience: 10+ years
Availability: Onsite
Openings: 1
Category: Data Scientist
Tenure: Contract - Corp-to-Corp
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Description

You will design, build, and deploy production-grade machine learning systems, with a focus on Large Language Models and scalable Python applications.

This role is on-site.

Responsibilities

  • Design and launch production ML systems, including model serving, evaluation, monitoring, and data processing pipelines.
  • Develop large-scale Python applications and integrate commercial and open-source LLMs (OpenAI, Gemini, Llama, etc.).
  • Build LLM-powered applications using RAG, vector retrieval, function calling, and tool-using agents.
  • Implement prompt engineering, fine-tuning, and adaptation workflows for specific business use cases.
  • Apply applied statistics and core ML concepts to deliver efficient, reliable solutions with measurable business impact.

Required Skills

  • 5+ years of software development in Python, C++, Go, or Java.
  • 3+ years of experience architecting and testing production ML systems.
  • Strong hands-on experience building and maintaining large-scale Python applications.
  • Practical experience with LLM API integration, prompt engineering, and fine-tuning.
  • Proficiency in applied statistics, core ML algorithms, and data structures.
  • Bachelor's degree in a quantitative field.

Preferred Skills

  • Experience with AWS infrastructure: ECS/EKS, Lambda, S3, DynamoDB, Redshift, Step Functions, SageMaker.
  • Proficiency with Infrastructure as Code (Terraform, CloudFormation).

Education

Bachelor's degree

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