JR

Juan Cruz Rossi

Senior Developer with 5+ years building high-performance, scalable systems, currently working at Mercado Libre. Experience in Java, Go, Python with microservices architecture. Passionate about clean code, continuous learning, and complex technical challenges. Agentic coding enthusiast.

What I'm Building

Spawn

AI Automation

Work on multiple features at the same time in the same repo — each in its own git worktree with its own AI agent. Create, resume, merge, and clean up parallel sessions from a single command.

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jx-toolkit

Developer Tools

My personal AI toolkit — specialized agents, skills, and configurations built to streamline every step of the coding workflow.

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Atlas

AI Automation

Autonomous Task Loop Agent System — An agent that lives in your backlog. Run atlas, walk away, and let it ship features while you sleep, eat, or touch grass.

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PromptLine

Developer Tools

Ever been watching Claude Code work and thought of three more things you need it to do next? PromptLine lets you line up those prompts so Claude picks them up automatically — one after another, without missing a single detail.

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VisualGit

Developer Tools

Terminal-style git diff viewer for code reviews. Browse pull request changes in a modern web interface with a collapsible file tree and get real-time AI-powered analysis to speed up your reviews.

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ClineX

SaaS · Healthcare

Multi-tenant SaaS for dental and medical clinics. Manage patients, appointments, clinical records, billing, and lab work — all isolated per clinic with role-based access.

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VisionFit

SaaS · Fashion Tech

Full SaaS platform for fashion brands featuring AI-powered photo generation, Polar payment integration, subscription management, authentication, and admin dashboard. Create professional catalogs without models or photographers.

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Bruno Estructuras Metálicas

Business Website

Modern business landing page for a metal structures company. Features quote calculator, project gallery, contact forms, and WhatsApp integration for customer engagement.

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CashMind

Personal Finance

Smart personal finance platform with AI-powered paystub analysis via OCR. Track expenses, manage budgets, and achieve financial goals with intelligent insights.

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RedditLens

Reddit Analytics

AI-powered Reddit analysis tool to extract insights from subreddits and posts. Filter by score, date range, and discover trending discussions with intelligent comment extraction.

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About Me

Experience

Sr. Software Engineer 2021 - Present
Mercado Libre
Backend Developer 2021
Agroads
Freelance Developer 2020 - 2021
Independent

Education

Software Development 2020 - 2022
Higher Technician Degree
Public Accountant 2013 - 2020
Universidad Católica de Santiago del Estero
Advanced English Course 2002 - 2012
English Institute "THE KEY"

Tech Stack

Java Go Python Microservices Distributed Systems Elasticsearch PostgreSQL Docker Datadog Grafana