2025 - Present
Independent Developer
Self-Employed
Building bots, automation tools, and full-stack applications for clients and personal projects.
JsMarenco JsMarenco Full-Stack Developer
hello@jsmarenco.dev Full-Stack Developer
Design. Automate. Scale.
Creating bugs since 2020, automating everything and building things for the internet.
4+ Years of Experience 20+ Projects
About
Angel Marenco
Full-stack developer focused on AI workflows, automation, web apps, bots, and scalable systems.
I love to learn, but even more, I love turning what I learn into systems that work for me. I don't compete with AI. I use it as a lever to think bigger, build faster, and solve more complex problems. While others avoid it, I make it part of my workflow. I believe in development as real engineering, with less manual work, more architecture, more automation, and more impact. I'm not here to be average. I'm here to redefine how work is done.
Profile specs
Role Full-Stack Developer
Experience 4+
Projects 20+
Availability Open to opportunities
Stack
What I use
Frontend
Next.js React Vite Tailwind CSS TypeScript Framer Motion
Backend
Node.js Python Bun PostgreSQL MongoDB Railway
Tools
Docker Figma Canva VS Code Antigravity Linux Vercel GitHub Biome
Experience
Where I've worked
2024 - 2025
Full Stack Developer
Private Company (Contract)
Built custom software solutions and internal tools for businesses.
2023 - 2024
Freelance Developer
Self-Employed
Worked on personal projects, learning and building web applications and automation tools.
2021 - 2022
Blockchain Developer
Fasttract
Developed smart contracts and contributed to NFT marketplace projects.
2020 - 2021
Software Developer Intern
Fasttract
Assisted in blockchain development and gained experience working with smart contracts.
Projects
What I've built
Glucosa
A WhatsApp bot that logs blood glucose levels and lets users view their records through a web dashboard.
Node.js TypeScript Prisma Vitejs
Korvix
A system that generates Reddit-style audiogram videos automatically using AI and browser automation. Built as a fun experimental project.
Next.js TypeScript Prisma Playwright
WhatsApp Presence
App that automatically updates WhatsApp profile pictures with styled images based on the song currently playing on Spotify.
TypeScript Express Spotify API Tailwind CSS
Solanext
Tracking bots for Telegram and Discord built using reverse-engineered data sources to monitor tokens in real time.
Vite TypeScript Tailwind CSS WebSockets
Mariposa
LinkedIn job scraping tool that improves job search by collecting and organizing listings with automated browsing.
TypeScript Playwright Vite Tailwind CSS
Sweep
Tool that aggregates tiny leftover balances from multiple user wallets into a single address using RPC calls, allowing funds that normally can't be transferred due to dust limits to be collected and reused.
TypeScript Vite Tailwind CSS
Menu
Interactive menu with admin panel, video generation, dark/light mode, and multi-language support (i18n).
TypeScript Vite Tailwind CSS Remotion