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McKesson

AI Full Stack Software Engineer

McKesson

. Develop and deliver AI-driven enterprise quality software applications.

Posted 5/21/2026full-timeColumbus • Ohio • 🇺🇸 United StatesMid-LevelSenior💰 $110,300 - $183,800 per yearWebsite

Tech Stack

Tools & technologies
AWSAzureCloudDockerGoogle Cloud PlatformJavaScriptKubernetesNode.jsPythonPyTorchTensorflow

About the role

Key responsibilities & impact
  • Develop and deliver AI-driven enterprise quality software applications.
  • Build scalable applications integrating Large Language Models and other AI tools (e.g. voice recognition, document parsing, image parsing, text to speech, RAG) into new and legacy codebases.
  • Design and optimize data pipelines and datasets for AI system development and testing.
  • Communicate modern AI concepts (LLMs, vector databases etc.) to non-technical audiences.
  • Iteratively craft effective prompts to maximize LLM performance and implement prompt caching strategies.
  • Maintain prompt libraries & benchmark performance.
  • Fine-tune & serve GPT-family, Llama.
  • Develop AI agents.
  • Semantic Kernel.
  • Prototype co-pilot experiences & autonomous workflows.
  • Fully document all work at both the code level and application level.
  • Collaborate with other staff and outside stakeholders on large projects.
  • Adapt in a changing environment.

Requirements

What you’ll need
  • Minimum 4+ years of experience in Software development
  • B.S. degree in Computer Science or related engineering discipline, or equivalent experience
  • Minimum 4+ years of experience in developing AI-enhanced applications using LLMs, voice, image, or speech models.
  • Proficiency in Python and AI related python libraries such as openai, tensorflow, pytorch
  • Proficient in sensitivity metrics (precision, recall, F1-score, AUC-ROC) and MLOps for scalable, cost-efficient AI deployment.
  • Skilled in building RAG systems from scratch or with LangChain / LlamaIndex, using vector databases for context-aware LLM applications.
  • Experience using AI coding tools (e.g. Github Copilot, Cursor, Codeium /Windsurf)
  • Expert in managing LLM costs (token pricing, input/output rates) via prompt caching, batching, and quantization.
  • Deep understanding of LLM advancements (GPT-3.5 vs GPT-4 vs o1/”thinking” models) for informed model selection and tuning.
  • Exceptional analytical skills to extract actionable insights from data
  • Healthcare Domain Expertise, Translate clinical/business needs into AI solutions.
  • Proficiency in creating Node.js web apps (e.g. Express.js)
  • Experience with cloud (AWS/GCP/Azure)
  • Effective communication skills to collaborate with technical, DevOps and product management teams.
  • Experience with Git, Docker, and Kubernetes.

Benefits

Comp & perks
  • Competitive compensation package
  • Annual bonus or long-term incentive opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Pythonopenaitensorflowpytorchsensitivity metricsMLOpsRAG systemsLangChainLlamaIndexNode.js
Soft Skills
effective communicationanalytical skillscollaborationadaptability