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Paul Griorosita

@paulgriorosita

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Full-Stack Developer | MERN Stack & AI Integration Specialist

United States

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What I'm looking for

I’m looking for a role where I can build scalable, high-quality products and have real ownership over technical decisions. I value strong engineering culture, clean architecture, and collaboration with product and design. I’m motivated by meaningful problems, clear impact, and opportunities for growth, autonomy, and continuous improvement.

Full Stack and AI Engineer with over 10 years of experience building scalable, high performance applications using the MERN stack and modern cloud native architectures. Skilled in React, Next.js, Node.js, Express, Java, C#, Go, Python, FastAPI, Laravel, and microservices. Strong expertise integrating AI, LLMs, automation workflows, multi agent systems, and vector search using models like GPT, Llama, and Gemini. Experienced across AWS, Azure, and GCP with serverless, containerized, and event driven systems. Adept at architecting enterprise solutions, optimizing performance, modernizing legacy systems, and delivering secure production ready software. Brings strong DevOps experience, CI CD pipelines, testing frameworks, and Agile collaboration.

Experience

Work history, roles, and key accomplishments

Full Stack Developer

CoorWorks

May 2024 - Nov 2025 (1 year 6 months)

Built and scaled MERN applications serving 5k+ concurrent users with sub-200ms latency. Integrated AI automation with GPT, Llama, LangChain, CrewAI, and RAG pipelines, cutting support time 40%. Modernized systems with AWS microservices, serverless, Redis caching, CI/CD via GitHub Actions and Docker, and automated infra using Terraform across AWS and GCP.

React Node Express Mongo GPT LLaMA Multi Agent Frameworks (CrewAI)RAG Microservices Serverless Lambda S3 DynamoDB Redis Docker CI CD

Software Engineer

Phoenix Defense

Jan 2022 - Apr 2024 (2 years 3 months)

Refactored mission-critical software across Node.js, Java, C# and Go reducing downtime by 30% and implemented AI anomaly detection with 95% accuracy using Python and vector indexing.

Node Java C++Go Python fastAPI Vector Search AWS Lambda CI CD

Software Engineer

Tata Consultancy Services

Jan 2021 - Dec 2021 (11 months)

Built a shopping platform with Java, Spring Boot and React, led a 4–5 developer Scrum team, and integrated authentication and CRM features improving stakeholder delivery.

Java Spring Boot React SQL MySQL Scrum Redux

Software Engineer

Axosoft

Jan 2020 - May 2020 (4 months)

Improved legacy system performance reducing code footprint 15% and runtime 10%, delivered React/Redux features and established automated testing pipelines with Jest and Jenkins.