Senior AI Platform Engineer

PCOnline; Newark (DE); On-site; USD 120,000 - 160,000; Full time

Job summary

PCOnline, based in Newark, Delaware, seeks aSenior AI Platform Engineer to build and operate internal AI capabilities and the AI application portal. You will own reusable components for model access, agent execution, and system integration, leveraging APIs and cloud services.

You will collaborate with AI, software, data, and IT teams to deploy LLM applications, RAG solutions, and agent workflows, while ensuring security, monitoring, and cost controls across the platform.

Qualifications

• Two or more years of software development, systems integration, or automation experience.
• Practical Python programming and API usage for connecting apps or automating workflows.
• Hands-on experience building LLM apps, RAG solutions, or agent workflows.
• Familiarity with Git, basic database concepts, and software testing and debugging.
• Ability to translate business needs into practical technical solutions and manage tasks.

Responsibilities

• Design, build, and maintain the internal AI application portal and reusable capabilities for model access, agent execution, and system integration.
• Develop and deploy LLM applications, RAG solutions, and agent workflows connecting to company data sources and APIs.
• Translate business requirements into practical technical solutions and coordinate with teams on scope and trade-offs.
• Implement access controls, data protection, audit logging, and approval mechanisms for AI apps with IT collaboration.
• Establish evaluation, testing, monitoring, and cost-tracking practices for reliable operations.
• Work with business owners to assess adoption and validate improvements in efficiency, quality, cost, or capacity.

Skills

Python

APIs

LLM apps

RAG solutions

Git

Software testing

Troubleshooting

Cloud services

SQL basics

Tools

AWS

Amazon Bedrock

Job description

PCOnline is seeking a Senior AI Platform Engineer to build and operate internal AI capabilities that help employees work more effectively. You will develop our internal AI application portal, shared agent infrastructure, and integrations with company systems. This is an individual contributor role with substantial responsibility for technical delivery. You will work with business stakeholders and colleagues across AI, software engineering, data, and IT, using managed services, existing products, and open-source solutions where appropriate.

Key Responsibilities

• Design, build, and maintain the internal AI application portal and reusable capabilities for model access, agent execution, knowledge retrieval, and system integration.
• Develop and deploy LLM applications, RAG solutions, and agent workflows that connect to approved company data sources, APIs, and business systems.
• Translate business requirements into practical technical solutions, define implementation scope, explain trade-offs, and coordinate dependencies with relevant teams.
• Implement access controls, data protection, audit logging, and appropriate approval mechanisms for AI applications, in collaboration with IT and system owners.
• Establish application evaluation, testing, monitoring, cost tracking, and failure-handling practices to support reliable operation and continuous improvement.
• Work with business owners to assess adoption and validate improvements in efficiency, quality, cost, or operating capacity. Use the findings to improve, simplify, or retire solutions.
• Document architecture, integrations, operating procedures, and troubleshooting guidance so that solutions can be maintained and supported by others.

Basic Qualifications

• Two or more years of experience in software development, systems integration, or automation, or equivalent practical project experience.
• Practical Python programming skills and experience using APIs to connect applications or automate workflows.
• Hands-on experience building LLM applications, RAG solutions, or agent workflows. Experience gained through professional work, internships, or substantial personal projects will be considered.
• Familiarity with Git, basic database concepts, and software testing and debugging.
• Ability to understand business needs, break work into manageable tasks, communicate progress, and troubleshoot problems.
• Familiarity with AWS, Amazon Bedrock, or other cloud and AI services.
• Experience with SQL, knowledge retrieval, or integrations with internal business systems.
• Exposure to application deployment, access controls, logging, monitoring, or AI evaluation.
• Experience building internal tools or automation for business operations.