Autistic + ADHD  Libertarian
AI Software Engineer / Arquitect
Ex-satellite flight ops  (ARSAT - SAOCOM)
Horrorsynth + 😺

projects

substack

medium

github

devto

leetcode

codeforces

gumroad

youtube

productHunt

I’m a full-stack engineer with 10+ years’ experience delivering secure, scalable sw and thrive in remote, agile teams

Cristian Sarmiento • Peerlist Profile

Cozy NotesA warm, Figma-driven notes-taking app built for a 72-hour hiring challenge with Django REST Framework and Next.js.Stack<ul><li>Backend: Python 3.12, Django 5.2 LTS, Django REST Framework, SimpleJWT, PostgreSQL</li><li>Frontend: Next.js 15, TypeScript, Tailwind CSS, shadcn/ui, Playfair Display, Inter</li><li>Local runtime: Docker Compose</li><li>Workflow: development integration branch, main final/release branch, PR-based delivery, GitHub Actions CI</li></ul>

Cozy Notes App

AI-powered test gap analysis for TypeScript codebases. Discover what you're not testing before it discovers you. This innovative tool leverages AI to analyze your codebase, read existing tests, and identify critical untested flows. testsense bridges the gap between what your code does and what it should do by generating Playwright stubs for the top findings.<h3>Key Features</h3><ul><li>Codebase Parsing: Maps pages, API routes, components, and hooks using TypeScript AST analysis.</li><li>Test Coverage Mapping: Builds a comprehensive map of what's already tested.</li><li>Critical Flow Identification: Uses Claude to pinpoint the most crucial untested flows and their significance.</li></ul><h3>Configuration</h3>Create a testsense.config.ts at your project root to set up your source and test directories and specify the framework as Playwright. Ensure your API key is set for seamless integration.<h3>Output Formats</h3>Supports various output formats including terminal, JSON for CI integration, and markdown for PR comments. Customize your analysis by focusing on specific flows or displaying top gaps.

TestSenseAI - AI-powered test gap analysis

Invoice Studio is a modern invoicing web app designed specifically for freelancers and contractors. Built with Next.js, PostgreSQL, and Prisma, it offers a robust solution for managing invoices with ease. Key features include multi-user authentication, client management, and the ability to create invoices with detailed line items. The app also provides analytics and supports server-side PDF export, ensuring that users can generate professional invoices efficiently. With a clean Docker setup, users can deploy the application seamlessly. The user interface is crafted using Tailwind CSS, offering both light and dark modes for a modern look and feel. Additionally, the app includes auto-sequential invoice numbers per client and dashboard metrics that provide insights by client, month, and year. For developers, the app supports unit testing with Vitest and Testing Library, as well as end-to-end testing with Playwright. This comprehensive tool not only simplifies invoicing but also enhances productivity and efficiency for freelancers.

invoice-scope: Contractor invoice generator

Vision AR is a premium multiview platform designed to provide a modern, fast, and flexible experience for following Argentine media in real time. Unlike traditional news mosaics, Vision AR offers a dynamic dashboard with multiple viewing presets such as 1x1, 2x1, 2x2, 3x3, and 4x4. Users can enjoy features like drag &amp; drop screen management, individual and global player controls, and a comprehensive library of live Argentine channels. The platform integrates with the YouTube Data API to display live indicators and viewer counts, and offers an optional RSS-based ticker for real-time updates. Better Auth ensures secure access with email/password, magic link, and Google OAuth options, while users can manage profiles, settings, and protected routes. Vision AR supports saved combinations, favorites, and public sharing, all wrapped in a PWA with sitemap, robots, Open Graph, and generated icons. Built with a robust tech stack including Next.js, React, TypeScript, and Prisma ORM, Vision AR is a cutting-edge solution for media enthusiasts.

Vision AR

SmartyWeb is a platform for people to choose between products of diferent branches and order food with personalized ingredients and more and make payment online.

Cristian Sarmiento

Autistic + ADHD Libertarian AI Software Engineer / Arquitect Ex-satellite flight ops (ARSAT - SAOCOM) Horrorsynth + 😺