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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 WhatsApp AI agents and chatbots. Production NestJS/Node.js + Python at a LATAM B2B SaaS. What I build: • AI agents for WhatsApp + web: 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. Flagship: Kenti, a WhatsApp AI agent platform with a live demo (linked on my GitHub), plus ChatPyME and AutoLeads. ES native. English for briefs + specs. GMT-3 (US-hours overlap). Weekly async demos (Loom), docs handover, 30 days support.... Read more

Skills

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fede_cione
Fede C
Offline • 
Average response time: 2 hours

See my services

AI Chatbot Development
I will build an ai whatsapp chatbot for sales and customer support
From$250 / projectMore details
AI Integrations
I will automate your business workflows with ai
From$150 / projectMore details

Portfolio

Work experience

Self_Employed

Freelance Backend Engineer

Self Employed • Self-employed

Jan 2025 - Present • 1 yr 7 mos

I build AI-integrated backends for SMBs and product teams across LATAM, Spain and the US. WhatsApp AI agents are my specialty. Five productized packages with fixed scope, timeline and pricing: WhatsApp AI chatbots, a full multi-agent WhatsApp platform, AI process automation, backend MVPs, and custom builds. Portfolio and booking: fedecione-portfolio.vercel.app Flagship build: Kenti, a multi-tenant WhatsApp AI agent platform. Bilingual agents answer 24/7, capture leads and hand off to a human, with a real admin dashboard. Live demo: getkenti.vercel.app Stack: NestJS 11, TypeScript (strict), PostgreSQL + Drizzle, Next.js, LLM integrations (Groq, OpenAI, Claude), Redis/BullMQ, Docker, Vitest. Production-grade from day 1: auth, migrations, typed configs, rate limiting, tests and Swagger.

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.