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fede_cione

Fede C

@fede_cione

Backend and AI Engineer, NestJS, RAG, WhatsApp AI Chatbots

Argentina
English, Spanish
About me
Backend engineer (2.5y) specialized in AI-powered APIs and chatbots. Production NestJS/Node.js + Python at a LATAM B2B SaaS. What I build: • AI chatbots (WhatsApp + web) with RAG, intent routing, human handoff • AI automations (lead enrichment, doc parsing, CRM sync) • NestJS backend MVPs with LLM integration (Claude, OpenAI, Groq) Typed, tested, deployed. Live demos on GitHub: ChatPyME, AutoLeads, NestAI-Starter. ES native. Written English for briefs + specs. GMT-3 (US-hours overlap). Weekly async demos (Loom), docs handover, 30 days support on every engagement.... Read more

Skills

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fede_cione
Fede C
Offline • 
Average response time: 6 hours

See my services

AI Chatbot Development
I will build an ai whatsapp chatbot for sales and customer support
From$200 / projectMore details
AI Integrations
I will automate your business workflows with ai
From$150 / projectMore details

Portfolio

Work experience

Backend Developer / Chatbot Developer

Notimation • Full-time

Aug 2022 - Dec 2024 • 2 yrs 4 mos

Worked as a Backend and Chatbot Developer building APIs and backend systems using Node.js and NestJS. Main responsibilities: • Development and maintenance of REST APIs • Database integration with MongoDB and MySQL • Authentication and security (JWT) • Chatbot development and integrations • AI integrations using LangchainJS and OpenAI • Collaboration with multidisciplinary teams Focused on building scalable, maintainable, and production-ready solutions.

Full Stack Programming Mentor

ICARO • Part-time

Aug 2022 - Apr 2024 • 1 yr 8 mos

Mentored students in web development, focusing on backend fundamentals, APIs, and best practices. Provided technical guidance, code reviews, and project feedback.