Hi, I'mNahuel.
Frontend and full-stack engineer from Mar del Plata, Argentina. Six years shipping products in production for startups, clinics, retailers and teams in the US. I founded Weso Studio in 2024, I teach at UTN FRMDP, Coderhouse, Roombo, Anza and Avalith, and I work in English every day.
- 2025 — 2026
AI Engineer · Revelo
LLM training and evaluation on Claude Code, for Anthropic: prompt design, RLHF and red-teaming.
- 2025 — 2026
Full-stack developer · Acme
Features in React and Node over PostgreSQL, including AI-assisted ones, in an async distributed team.
- 2025
Full-stack developer · Finnegans
End-to-end features in React, Node and Prisma for an established business-management product.
- 2024 — now
Founder & lead developer · Weso Studio
A small product studio: discovery, architecture, build, deploy and maintenance for teams that need to ship.
- 2019 — 2024
Freelance
Web and mobile products for clients in Argentina and teams in the US, including a React Native engagement.
- 2023 — 2025
Teacher · UTN FRMDP, Coderhouse, Roombo, Anza, Avalith
Teaching programming to about a hundred students, from university courses to diploma programs.
- AnthropicLLM evaluation · via Revelo
- ReveloAI Engineer
- AcmeFull-stack developer
- FinnegansFull-stack developer
- Weso StudioFounder
- UTN FRMDPTeaching
- CoderhouseTeaching
- RoomboTeaching
- AnzaTeaching
- AvalithTeaching
- VimoProduct
- Liliana CappelliClient · Nexora
- HPCClient
- Maderera Juan B. JustoClient
- PostaClient
Shipped on the big platforms.
Meta, Firebase and Google, in production. I know their APIs, their limits and their review processes.
Meta for Developers
12 products- WhatsApp Cloud API
- WhatsApp Flows
- Messenger Platform
- Instagram Messaging
- Instagram API with Instagram Login
- Instagram Content Publishing
- Graph API · Facebook and Instagram comments
- Meta Pixel
- Conversions API
- Facebook Domain Verification
- React
- React Native
Firebase
2 products- Cloud Messaging (FCM)
- Admin SDK
- Gemini API
- Gmail API
- Cloud Pub/Sub
- Drive API
- Calendar API
- Sign-In / OAuth
- Places API (New)
- Maps Embed API
- Directions API
- Maps SDK for Android
- Play Developer API
- Tag Manager
- Analytics 4
- reCAPTCHA
- Google Fonts
- Material Symbols
- YouTube embeds
I teachwhat I ship.
UTN FRMDP
Universidad Tecnológica Nacional, Facultad Regional Mar del Plata. Programming Lab IV and Operating Systems Architecture.
Coderhouse · Roombo · Anza · Avalith
Diploma courses in JavaScript, Java, Next.js and MySQL, plus frontend and React classes. About a hundred students. Explaining it to a room is the best code review I know.
Evaluating Claude Codefor Anthropic.
Evaluation
Scoring model output against rubrics, and writing evaluation tasks later used as training data.
RLHF
Comparing responses side by side for correctness, safety and real usefulness to developers.
Red-teaming
Finding the prompts that make it fail, and documenting reproducible cases for the team to fix.
It made me a better frontend engineer. I know how these systems fail, so I design interfaces that fail well: streaming states, honest errors and always a way back.
Project details under NDAHi, I'mNahuel.
Frontend and full-stack engineer from Mar del Plata, Argentina. Six years shipping products in production for startups, clinics, retailers and teams in the US. I founded Weso Studio in 2024, I teach at UTN FRMDP, Coderhouse, Roombo, Anza and Avalith, and I work in English every day.
- 2025 — 2026
AI Engineer · Revelo
LLM training and evaluation on Claude Code, for Anthropic: prompt design, RLHF and red-teaming.
- 2025 — 2026
Full-stack developer · Acme
Features in React and Node over PostgreSQL, including AI-assisted ones, in an async distributed team.
- 2025
Full-stack developer · Finnegans
End-to-end features in React, Node and Prisma for an established business-management product.
- 2024 — now
Founder & lead developer · Weso Studio
A small product studio: discovery, architecture, build, deploy and maintenance for teams that need to ship.
- 2019 — 2024
Freelance
Web and mobile products for clients in Argentina and teams in the US, including a React Native engagement.
- 2023 — 2025
Teacher · UTN FRMDP, Coderhouse, Roombo, Anza, Avalith
Teaching programming to about a hundred students, from university courses to diploma programs.
- AnthropicLLM evaluation · via Revelo
- ReveloAI Engineer
- AcmeFull-stack developer
- FinnegansFull-stack developer
- Weso StudioFounder
- UTN FRMDPTeaching
- CoderhouseTeaching
- RoomboTeaching
- AnzaTeaching
- AvalithTeaching
- VimoProduct
- Liliana CappelliClient · Nexora
- HPCClient
- Maderera Juan B. JustoClient
- PostaClient
Shipped on the big platforms.
Meta, Firebase and Google, in production. I know their APIs, their limits and their review processes.
Meta for Developers
12 products- WhatsApp Cloud API
- WhatsApp Flows
- Messenger Platform
- Instagram Messaging
- Instagram API with Instagram Login
- Instagram Content Publishing
- Graph API · Facebook and Instagram comments
- Meta Pixel
- Conversions API
- Facebook Domain Verification
- React
- React Native
Firebase
2 products- Cloud Messaging (FCM)
- Admin SDK
- Gemini API
- Gmail API
- Cloud Pub/Sub
- Drive API
- Calendar API
- Sign-In / OAuth
- Places API (New)
- Maps Embed API
- Directions API
- Maps SDK for Android
- Play Developer API
- Tag Manager
- Analytics 4
- reCAPTCHA
- Google Fonts
- Material Symbols
- YouTube embeds
I teach what I ship.
UTN FRMDP
Universidad Tecnológica Nacional, Facultad Regional Mar del Plata. Programming Lab IV and Operating Systems Architecture.
Coderhouse · Roombo · Anza · Avalith
Diploma courses in JavaScript, Java, Next.js and MySQL, plus frontend and React classes. About a hundred students. Explaining it to a room is the best code review I know.
Evaluating Claude Code for Anthropic.
Evaluation
Scoring model output against rubrics, and writing evaluation tasks later used as training data.
RLHF
Comparing responses side by side for correctness, safety and real usefulness to developers.
Red-teaming
Finding the prompts that make it fail, and documenting reproducible cases for the team to fix.
It made me a better frontend engineer. I know how these systems fail, so I design interfaces that fail well: streaming states, honest errors and always a way back.
Project details under NDA