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Alexander Hollis

@alexanderhollis1

I build cloud-native distributed systems and AI-driven platforms for enterprise-scale products.

United States
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I've led development of multi-tenant SaaS platforms at Glorium Technologies for enterprise healthcare, fintech, and AI-driven products. I architect cloud-native microservices and GraphQL services that handle millions of requests with high availability.

I build real-time, event-driven systems with Kafka and Redis, and modern web applications with React, Next.js, TypeScript, Node.js, and AWS. I led a monolith-to-microservices migration that reduced deployment failures by 60%.

I've integrated OpenAI APIs, LangChain, GPT-4, RAG, vector databases, semantic search, AI agents, chatbots, and document-processing workflows into production applications. I also build AI search and retrieval infrastructure using Pinecone, Weaviate, and Redis Vector Search.

Previously, I built distributed systems at Google, secure payment platforms at Visa, and enterprise web services at WTT Solutions. Across these roles, I've improved application load times by 40%, optimized data workflows, strengthened observability, and mentored engineers through architecture reviews and engineering best practices.

Experience

Work history, roles, and key accomplishments

GT
Current

Principal Software Engineer

Glorium Technologies

Jan 2023 - Present (3 years 9 months)

Architected and led development of multi-tenant SaaS platforms for healthcare, fintech, and AI-driven products. Led migration to microservices, reducing deployment failures by 60%, and integrated AI features using OpenAI, LangChain, and vector databases.

WS

Web Developer

WTT Solutions

Oct 2016 - Feb 2018 (1 year 4 months)

Developed backend services and RESTful APIs using Node.js, Express.js, JavaScript, and MongoDB. Optimized MongoDB query performance, reducing query execution times by 20%.

Education

Degrees, certifications, and relevant coursework

University of North Texas logoUT

University of North Texas

Bachelor's Degree, Computer Science

2011 - 2016

Bachelor's Degree in Computer Science from the University of North Texas from 2011 to 2016.

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