Luis Visintini

Full Stack Engineer focused on building products with extra attention to detail

Córdoba, Argentina

Luis Visintini

About

Software developer with 4+ years of experience specializing in TypeScript and the React ecosystem, building web applications, fintech platforms, digital wallets, admin dashboards, and full-stack products. I work mainly with React, Next.js, React Native, Node.js, and Tailwind CSS, prioritizing maintainable architectures, clear interfaces, and a great user experience. I get involved in the entire product lifecycle: understanding the problem, designing the solution, implementing it, and continuously evolving it.

Work Experience

Full-time

Payex S.R.LRemote

2022 - Present
Senior Full Stack Developer
Build web and fintech products across the company's portfolio, including BDC, Copter Exchange, Más Pay, and Andes Labs. I contribute to the design and implementation of applications, user interfaces, and internal tools, taking them from the initial build through ongoing evolution and maintenance. Technologies: TypeScript, React, Next.js, React Native, Node.js, Firebase, Tailwind CSS

Freelance

ProfitLabRemote

2025 - Present
Frontend Developer
Frontend development for an investment tracking and analytics platform that centralizes data from multiple brokers and shows portfolios, returns, balances, and metrics in one place.
  • Built the main web application and the product's landing page.
  • Implemented dashboards, charts, forms, and user flows.
  • Integrated the frontend with backend APIs and services.
  • Built interfaces for visualizing and analyzing investment portfolios.
  • Took part in frontend architecture and user experience decisions.

Skills

Frontend

TypeScriptJavaScriptReactNext.jsReact NativeHTMLCSS

UI & Styling

Tailwind CSSshadcn/uiStyled Components

State & Data

TanStack QueryZustandReduxContext API

Forms & Validation

React Hook FormZod

Backend

Node.jsExpressREST APIsPrisma

Databases & Services

PostgreSQLMySQLMongoDBFirebaseRedis

Tools

GitGitHubPostmanFigma

Projects

BDC
Digital wallet / Fintech
  • Built BDC's official landing page and the platform's admin dashboard.
  • Built the React Native mobile app, published on iOS and Android.
  • Built the Progressive Web App (PWA) used by BDC's users.
  • Implemented user flows, operations, and management tools in an ecosystem that processes over ARS 200M in monthly deposits and withdrawals, 5,900+ on-chain transactions per month, and peaks of 100+ daily KYC sign-ups.
Web AppApp StoreGoogle Play
TypeScriptReactNext.jsViteReact NativeExpoPWATailwind CSSTanStack QuerySumsub
Copter Exchange
Digital asset exchange platform
  • Built Copter Exchange's official landing page.
  • Built the virtual wallet (PWA), with 4,400+ registered accounts, 3,400+ CVU accounts issued, and 1,200+ verified users (KYC with Sumsub).
  • Implemented and maintained interfaces for digital asset operations and management.
Web App
TypeScriptReactNext.jsVitePWAFirebaseTailwind CSSTanStack QueryZustandSumsub
Andes Labs
Blockchain infrastructure behind ARSa, a stablecoin backed 1:1 by Argentine pesos on Base and Stellar. Users mint tokens by depositing ARS to a CVU and burn them to redeem, with Chainlink Proof of Reserve.
  • Built a multi-project admin dashboard with user metrics, fiat and crypto flows, and management of accounts, wallets, and KYC verifications.
  • Built interfaces and flows for managing tokens, operations, and internal settings.
  • Implemented views for using and managing fiat-backed tokens.
  • Developed components for blockchain infrastructure and tokenized assets, documenting and integrating features from the platform's API ecosystem.
TypeScriptReactViteTailwind CSSshadcn/uiTanStack QueryTanStack RouterRechartsZustand
Más Pay
Official landing page
  • Built the entire frontend of Más Pay's official landing page, fully responsive and based on the product design.
TypeScriptNext.jsTailwind CSS

Education

Coderhouse

2022 - 2023
Career Full Stack Developer

References

  • Pablo Cantarin — CEO, Copter Exchange
  • Franco Peña — CEO, ProfitLab
  • Ignacio Reparaz — Academic Tutor

Contact details available upon request.