KP

Kenjy Prevostini

Available to hire

Senior React Developer with over 25 years of experience developing complex frontend applications, specializing in React and React Native with TypeScript.

About

Senior React Developer with over 25 years of experience developing complex frontend applications, specializing in React and React Native with TypeScript. My expertise spans state management, design systems, testing, and performance optimization within banking, industrial, and fintech sectors.

I am committed to code quality, tangible delivery, and close collaboration with designers, backend developers, and product teams. I have experience refactoring legacy codebases, establishing shared technical standards, and developing scalable architectures (micro-frontends, monorepos, CI/CD).

  • 26 years' experience
  • Joined July 2026

Languages

  • ItalianFluent

Industry experience

  • Financial Services
  • Software & Internet
  • Manufacturing
  • Other

Work experience· 22 roles

Full stack · hub luggageJan 2026 – Apr 2026 · 4 mos

Sviluppo di componenti React riutilizzabili e design system tramite Storybook; struttura monorepo NX per gestione modulare del codice. Implementazione backend con Node.js/Express e modellazione MongoDB con definizione dei contratti API tra frontend e backend. Implementazione RBAC a livello di codice su frontend e backend. Gestione state globale su frontend con Valtio. Realizzazione flussi pagamento con Stripe e persistenza transazioni in MongoDB, inclusa logica di box booking con pagamenti ricorrenti. Sviluppo back-office con accesso controllato e replica applicazione su iOS/Android con React Native.

Senior React Developer · Banca Centrico (IT)Aug 2025 – Mar 2026 · 8 mos

Sviluppo di una piattaforma SaaS di onboarding per l’apertura di nuovi conti bancari. Realizzazione di microfrontend React con deploy indipendente in ambiente multi-tenant. Creazione di scaffolding per nuovi microfrontend. Implementazione di uno strato HTTP centralizzato per la gestione delle richieste (Axios). Sviluppo e manutenzione del Design System con Storybook e componenti MUI.

Full Stack Developer · urbango.ch (Personal Project) (CH)Jan 2025 – Jun 2025 · 6 mos

Sviluppo end-to-end di una piattaforma con landing page in React TypeScript usando MUI, organizzata in un monorepo NX. Implementazione backend con Node.js/Express/MongoDB con autenticazione 2FA via SMS (Twilio), pagamenti (Stripe) e comunicazione real-time via WebSocket. Sviluppo e pubblicazione app iOS/Android in React Native TypeScript con Styled Components.

React Developer · Notomia, Milano (IT)Jun 2023 – Nov 2023 · 6 mos
Senior React Developer · ABB (CH)Jun 2023 – Dec 2025 · 2 yrs 7 mos
React Developer · Accenture, Milano (IT)Jan 2021 – May 2023 · 2 yrs 5 mos
React Developer · Temera, Firenze (IT)Jan 2020 – Dec 2020 · 1 yr
React Developer · Firewall Srl, Vigevano (IT)Jan 2020 – Dec 2021 · 2 yrs

Education· 5

Borland Certified Delphi Developer Certification · Borland Certified Delphi Developer Certification exam at Borland, Milan2000 – 2001
Diploma in Business Informatics · SIG — Scuola di informatica e gestione, Bellinzona (corso serale)1997 – 2000
Oracle specialisation course (SQL/PL - SQL / Crystal Report Specialist) · Oracle specialisation course, Milan1996
AFC — Impiegato di Commercio · Commercial School, Massagno1992 – 1994

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