m
marincaeduardd

Eduard M

@marincaeduardd

Senior Full Stack and AI Engineer, React, Node, Python, React Native, RAG, Agent

Romania
English
About me
Senior Full Stack Developer & AI Engineer with 10+ years building production-ready SaaS apps, AI agents, RAG pipelines, and automation workflows. Expert in React, Next.js, Node.js, Python, LangChain, n8n, OpenAI API, Docker, AWS, GCP, PostgreSQL, and MongoDB. Top Rated Plus on Upwork | 100% Job Success | 50+ projects delivered. I am available 24/7 and respond within 1 hour — message me anytime and let's build something great together!... Read more

Skills

m
marincaeduardd
Eduard M
Offline • 
Average response time: 1 hour

See my services

Full Stack Web Applications
I will build a production ready saas web app with next js, react and node
From$90 / projectMore details
AI Chatbot Development
I will build a custom ai chatbot or ai agent with chatgpt and langchain
From$90 / projectMore details

Portfolio

Work experience

Upwork

Upwork

Upwork • Full-time

Mar 2015 - Present • 11 yrs 3 mos

Top Rated Plus freelancer on Upwork with 100% Job Success and 50+ completed projects. Specialized in building production-grade SaaS applications, AI agents with LangChain and OpenAI, RAG pipelines, and full automation workflows. Delivered projects for clients across fintech, healthtech, and e-commerce using React, Next.js, Node.js, Python, Docker, AWS, and GCP. Known for fast turnaround, clean architecture, and exceptional communication.

Toptal

Senior Full Stack & AI Engineer

Toptal • Freelance

Dec 2014 - Present • 11 yrs 6 mos

Handpicked by Toptal as a top 3% freelance engineer. Architected and delivered complex full-stack systems including multi-tenant SaaS platforms, AI-powered assistants, and data-intensive dashboards. Deep expertise in system design, API development (REST/GraphQL), microservices, CI/CD pipelines, and cloud infrastructure on AWS and GCP. Collaborated with global startups and enterprises to ship scalable, maintainable products on tight deadlines.