TomásPérez.
Creating software that solves real problems not just technical ones. 3+ years with Node.js, React, Next.js, NestJS and TypeScript — now building AI-augmented and agentic-first, every day. Currently shipping enterprise platforms at Zurich/Santander and a SoundCloud-partnered SaaS.
The person behind the code.
I'm Tomás, a Full Stack Developer based in Buenos Aires. I got into this on my own because I genuinely enjoyed building things people could actually use and that hasn't changed.
I like having full ownership over what I build. Understanding the business, making architecture decisions, talking to the client, and handling the deploy. That's what led me to work on enterprise insurance platforms, collaborate with agencies, and launch my own projects like DJ Presskit.
I pick up new tech fast — lately I build AI-augmented and agentic-first, with AI-driven development part of my daily workflow. What can't be learned quickly, though, is listening well, communicating clearly and owning the outcome — and that's what I care about most.
Things I've built recently.
Three featured projects with the impact, role and stack laid out.
Zurich / Santander
Building and modernising internal enterprise platforms for the insurance sector, focused on legacy modernisation, performance and shipping business-critical features.
DJ Presskit
SaaS that generates professional digital press-kit sites for DJs and music producers. Custom subdomains, real-time dashboard, exclusive design "capsules" limited to 25 DJs per edition.
iPhone BRC
Landing for an Apple retailer in Bariloche, AR. Animated Hero section video, product showcases, infinite logo carousels and CTAs wired to WhatsApp. Optimised for SEO and mobile.
What I actually use.
Each row shows how deep I've gone with each technology.
- JavaScript3y
- TypeScript3y
- PythonSide projects
- React3y
- Next.js3y
- Tailwind CSS3y
- Framer Motion2y
- Redux2y
- FigmaDaily
- Node.js3y
- NestJS3y
- Express2y
- Prisma ORM2a
- REST APIs3y
- Hexagonal Architecture
- Clean Architecture
- SOLID Principles
- Monorepo
- Multitenant
- PostgreSQL3y
- MySQL2y
- Oracle SQL1y
- Redis1y
- Docker2y
- OpenShift1y
- Vercel2y
- Git · GitHub Daily
- Agentic WorkflowsActive
- AI-Driven DevelopmentDaily
- Harness EngineeringActive
- Context EngineeringActive
- LLM OrchestrationActive
- Claude CodeDaily
3+ years of shipping.
A condensed timeline. Roles, companies and what I actually delivered.
Backend Developer
at Tienda Lo Quiero Acá- →Develop & maintain backend APIs on a large NestJS / TypeScript codebase structured around hexagonal architecture and Clean Architecture principles.
- →Apply SOLID consistently, dependency injection by interface, repositories decoupled from the ORM, services with single responsibility.
- →Implement Redis caching for high-traffic endpoints, reducing load on the primary database.
- →Navigate and contribute effectively to a large pre-existing codebase, adapting fast to team conventions.
Full-stack Developer (Backend-oriented)
at Zurich / Santander- →Resolved 44 security vulnerabilities across two React front-ends in 3 days to enable migration to Gluon (Santander's DevOps tooling) — originally scoped at 700+ hours.
- →Reduced PDF-report generation response times by 50% on a Node.js API via query optimisation and caching strategies.
- →Led modernisation of legacy systems and internal APIs across multiple platforms.
- →Bridged technical and business stakeholders in a multi-disciplinary agile environment.
Co-founder & Full-stack
at DJ Presskit- →Built the dashboard system where artists manage bio, event calendar, releases, multimedia gallery and tech rider with real-time updates reflected on their site.
- →Developed dynamic press-kit site generation in Next.js. Custom hero sections, SoundCloud / YouTube embeds, synced calendars, optimised galleries.
- →Implemented the "capsule" design system, visual themes (colors, textures, layouts) limited per edition for brand differentiation.
- →Integrated the SoundCloud API for playback and release management.
- →Contributed to multi-tenant full-stack architecture, custom-domain setup and scalable content delivery.
Frontend Developer
at iPhone BRC (via Real Labs)- →Built a fully responsive Next.js landing. Animated video hero, product showcases, WhatsApp-integrated CTAs.
- →Implemented smooth scroll animations, infinite logo carousels and dynamic product cards with Cloudflare image optimisation.
- →Delivered an SEO and mobile-performance optimised site on a tight timeline, in coordination with Real Labs design and branding teams.
Freelance Full-stack
at Multiple clients- →Hydrotek (2024): co-developed an e-commerce with products, users, coupons and integrated blog. Learned and shipped NestJS, TypeScript and Prisma in under two weeks, reverse-engineered an undocumented invoicing system.
- →Property Scraper (2024): full-stack scraping system for a real-estate client, geting data from Mercado Libre and Zonaprop. Owned client communication, architecture, dev and deploy. Bypassed platform security and tuned async JS with Puppeteer, built backend PDF report generation.
- →Spotsline (2023–2024): e-commerce for an industrial company. Integrated local DBS database with SQL Server replica. Learned Framer Motion in <1 week, optimised React with useCallback / useDebounce.
- →Myfotolibro (2023): photobook platform — custom upload links, image compression to print standards, Cloudinary integration within the free tier.
- →Properties && You (2022): PERN real-estate marketplace at Henry Bootcamp — led a team of 6, learned Tailwind + Mercado Pago + Firebase in a week.
Full-stack Web Development
at Henry Bootcamp- →Intensive full-stack bootcamp — JavaScript, React, Node.js, PostgreSQL.
- →Continuous self-taught learning since (2023 → Present).
Let's build something!
30 minutes to see if we match.
For recruiters, founders, or developers. Choose a time that works for you.