j
jerolarreta

Jeronimo M

@jerolarreta

Full Stack Web Developer, APIs, AI Integrations and Automation

Argentina
Spanish, English
About me
I build websites, web apps, backend APIs and AI integrations with TypeScript and Python. I've worked in software and automation since 2021, including production applications. I built Farmium end to end: Vue/NestJS, PostgreSQL, background jobs, a visual workflow editor, media processing and Stripe payments. My research collaborations cover RF signal classification, thermal-image analysis and scientific NLP. I can fix an API bug, build a web product or automate a manual process. Message me with your current setup and what needs to work. We'll agree on scope before you order.... Read more

Skills

j
jerolarreta
Jeronimo M
Offline • 
Average response time: 1 hour

See my services

Bug Fixes
I will fix a node js or nestjs API bug and add a regression test
From$50 / projectMore details
Custom Websites
I will build a responsive landing page with optional ai features
From$120 / projectMore details

Portfolio

Work experience

Farmium

Co-Founder & Full Stack Developer

Farmium

Apr 2025 - Present • 1 yr 6 mos

Co-founded Farmium and built its software end to end, from the visual workflow editor to backend services and media-processing workers. The project remains active; its start date is approximate. Built the Vue 3 and TypeScript interface, including the account dashboard, media library, calendar and node-based editor with recoverable drafts and undo/redo. Developed NestJS APIs with Prisma/PostgreSQL and Redis. Implemented scoped permissions, persistent jobs, retries, webhooks, execution updates and recovery after disconnects. Integrated Python/GPU workers and FFmpeg for uploads, processing, progress reporting and downloads. Built Stripe payments and subscriptions with transactional per-job credit accounting and failure recovery. Developed and maintained the backend and full-stack application in production.

Lumen

Software & Business Automation

Lumen

Jan 2021 - Dec 2022 • 1 yr 11 mos

Developed business applications and process automations connecting application logic, data and external services. Integrated APIs and workflows to reduce manual work and organize business operations. Dates are approximate at day/month level; my CV records this role as 2021-2022.