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ajaysingh180111

Ajay S

@ajaysingh180111

Senior AI Engineer: AI Agents, RAG and LLM Automation, Python, n8n

United States
English
About me
I build AI agents, RAG assistants and LLM automations that run inside real businesses: validated outputs, a human approval step where money moves, and hard cost limits. Before AI, I spent 19+ years building business-critical systems for Costco, Bank of America and Frontier Communications. I work in Python, FastAPI, n8n, the Claude and OpenAI APIs, LangChain and SQL, and I can connect AI to IBM i / AS400 systems. Tell me the process you want to automate and I will reply with an approach and a fixed price.... Read more

Skills

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ajaysingh180111
Ajay S
Offline • 

Portfolio

Work experience

Costco_Wholesale

Software Engineer

Costco Wholesale • Full-time

Apr 2021 - Present • 5 yrs 6 mos

Managed Optical e-commerce systems including orders, prescriptions, and patient records. Introduced AI-assisted development using GitHub Copilot and LLMs for code documentation and unit testing. Modernized legacy business rules into a shared data-service layer and delivered JSON REST APIs for digital store and analytics consumers.

Bank_of America

System Analyst

Bank of America • Full-time

Feb 2019 - Sep 2019 • 7 mos

Developed escrow calculation and account maintenance logic. Implemented validation, exception handling, and audit logging. Provided QA, UAT, and production support for financial systems.