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Esplora
Fiverr Pro
Italiano
$
USD
Denny Portillo
@denny_portillo
Senior Fullstack Developer
El Salvador
Spagnolo, Inglese
Chi sono
Software developer with 7+ years of experience transforming concepts into high-performance, real-time products, while leading teams to deliver scalable blockchain & AI-powered solutions.
Competenze
Denny Portillo
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
Aiuto/Consulenze
I will do 1 hour code and architecture review
Siti web personalizzati
I will build product or landing page with nextjs, react, typescript
Portfolio
Esperienza lavorativa
Senior Software Engineer
Diva Staking • Full time
Aug 2023 - Apr 2025 • 1 yr 8 mos
Delivered learn-to-earn airdrop flow (30k+ claims), real-time validator monitoring (Next.js/WebSockets/Redis), and GraphQL indexing services
Software Developer
Daoism Systems • Full time
May 2022 - Sep 2023 • 1 yr 4 mos
Integrated ERC4626 vaults ($5M+ TVL), built DAO governance MVP (+30% participation), NFT marketplace, and analytics dashboards
Frontend Developer
Scotiabank • Full time
May 2021 - May 2022 • 1 yr
Shipped multi-region banking features, supported DR pilot rollout, and drove shared component library adoption
